10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549 

__________________________________________________

FORM 10-Q

__________________________________________________ 

(Mark One)

☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended March 31, 2024

OR

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from                          to                         

Commission file number 001-35151

_____________________________________________________________________ 

AG MORTGAGE INVESTMENT TRUST, INC.

(Exact name of registrant as specified in its charter) 

_____________________________________________________________________ 

Maryland	27-5254382
(State or Other Jurisdiction of Incorporation or Organization)	(I.R.S. Employer Identification No.)
245 Park Avenue, 26th Floor New York, New York	10167
(Address of Principal Executive Offices)	(Zip Code)

(212) 692-2000

(Registrant’s Telephone Number, Including Area Code)

Securities registered pursuant to Section 12(b) of the Act:
Title of each class:	Trading Symbols:	Name of each exchange on which registered:
Common Stock, $0.01 par value per share	MITT	New York Stock Exchange (NYSE)
8.25% Series A Cumulative Redeemable Preferred Stock	MITT PrA	New York Stock Exchange (NYSE)
8.00% Series B Cumulative Redeemable Preferred Stock	MITT PrB	New York Stock Exchange (NYSE)
8.000% Series C Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock	MITT PrC	New York Stock Exchange (NYSE)
9.500% Senior Notes due 2029	MITN	New York Stock Exchange (NYSE)

Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.  Yes   ý    No   ¨

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 and Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).   Yes   ý    No  ¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting company" and "emerging growth company" in Rule 12b-2 of the Exchange Act.

Large Accelerated filer ¨     Accelerated filer ý Non-Accelerated filer ¨ Smaller reporting company ☒  Emerging growth company  ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨ 

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).   

Yes   ☐     No   ý

As of May 3, 2024, there were 29,473,725 outstanding shares of common stock of AG Mortgage Investment Trust, Inc.

AG MORTGAGE INVESTMENT TRUST, INC.

TABLE OF CONTENTS

		Page
PART I.     FINANCIAL INFORMATION
Item 1.	Financial Statements (unaudited)
	Consolidated Balance Sheets as of March 31, 2024 and December 31, 2023	3
	Consolidated Statements of Operations for the three months ended March 31, 2024 and March 31, 2023	4
	Consolidated Statements of Stockholders’ Equity for the three months ended March 31, 2024 and March 31, 2023	5
	Consolidated Statements of Cash Flows for the three months ended March 31, 2024 and March 31, 2023	6
	Notes to Consolidated Financial Statements (unaudited)
	Note 1. Organization	8
	Note 2. Summary of Significant Accounting Policies	11
	Note 3. Loans	14
	Note 4. Real Estate Securities	19
	Note 5. Fair Value Measurements	21
	Note 6. Financing	27
	Note 7. Other Assets and Liabilities	29
	Note 8. Earnings Per Share	32
	Note 9. Income Taxes	33
	Note 10. Related Party Transactions	34
	Note 11. Equity	40
	Note 12. Commitments and Contingencies	42
	Note 13. Subsequent Events	42
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	43
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	73
Item 4.	Controls and Procedures	77
PART II.    OTHER INFORMATION		78
Item 1.	Legal Proceedings	78
Item 1A.	Risk Factors	78
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	78
Item 3.	Defaults Upon Senior Securities	78
Item 4.	Mine Safety Disclosures	78
Item 5.	Other Information	79
Item 6.	Exhibits	80

PART I

ITEM 1. FINANCIAL STATEMENTS

AG Mortgage Investment Trust, Inc. and Subsidiaries

Consolidated Balance Sheets (Unaudited)

(in thousands, except per share data)

	March 31, 2024		December 31, 2023
Assets
Securitized residential mortgage loans, at fair value - $663,327 and $645,876 pledged as collateral, respectively (1)	$	5,645,004	$	5,358,281
Residential mortgage loans, at fair value - $196,752 and $315,225 pledged as collateral, respectively	204,351		317,631
Commercial loans, at fair value - $66,474 and $66,303 pledged as collateral, respectively	66,474		66,303
Real estate securities, at fair value - $223,949 and $155,115 pledged as collateral, respectively	271,868		162,821
Investments in debt and equity of affiliates	54,842		55,103
Cash and cash equivalents	100,287		111,534
Restricted cash	16,347		14,039
Other assets	41,495		40,716
Total Assets	$	6,400,668	$	6,126,428
Liabilities
Securitized debt, at fair value (1)	$	4,980,942	$	4,711,623
Financing arrangements	734,001		767,592
Convertible senior unsecured notes	78,530		85,266
Senior unsecured notes	32,810		—
Dividend payable	5,301		1,472
Other liabilities (2)	29,519		32,107
Total Liabilities	5,861,103		5,598,060
Commitments and Contingencies (Note 12)
Stockholders’ Equity
Preferred stock - $227,991 aggregate liquidation preference	220,472		220,472
Common stock, par value $0.01 per share; 450,000 shares of common stock authorized and 29,453 and 29,437 shares issued and outstanding at March 31, 2024 and December 31, 2023, respectively	295		294
Additional paid-in capital	823,908		823,715
Retained earnings/(deficit)	(505,110)		(516,113)
Total Stockholders’ Equity	539,565		528,368
Total Liabilities and Stockholders’ Equity	$	6,400,668	$	6,126,428

(1)These balances relate to certain residential mortgage loans which were securitized resulting in the Company consolidating the variable interest entities that were created to facilitate these securitizations as the Company was determined to be the primary beneficiary. See Note 3 for additional details.

(2)Refer to Note 7 and Note 10 for additional details on amounts payable to affiliates.

The accompanying notes are an integral part of these unaudited consolidated financial statements.

3

AG Mortgage Investment Trust, Inc. and Subsidiaries

Consolidated Statements of Operations (Unaudited)

(in thousands, except per share data)

	Three Months Ended
	March 31, 2024		March 31, 2023
Net Interest Income
Interest income	$	95,572	$	57,803
Interest expense	78,393		46,188
Total Net Interest Income	17,179		11,615
Other Income/(Loss)
Net interest component of interest rate swaps	1,900		1,020
Net realized gain/(loss)	(1,103)		100
Net unrealized gain/(loss)	10,014		8,717
Total Other Income/(Loss)	10,811		9,837
Expenses
Management fee to affiliate (1)	1,741		2,075
Non-investment related expenses (1)	3,114		2,820
Investment related expenses (1)	3,283		2,326
Transaction related expenses (1)	999		1,707
Total Expenses	9,137		8,928
Income/(loss) before equity in earnings/(loss) from affiliates	18,853		12,524
Equity in earnings/(loss) from affiliates	2,037		16
Net Income/(Loss)	20,890		12,540
Dividends on preferred stock	(4,586)		(4,586)
Net Income/(Loss) Available to Common Stockholders	$	16,304	$	7,954
Earnings/(Loss) Per Share of Common Stock
Basic	$	0.55	$	0.38
Diluted	$	0.55	$	0.38
Weighted Average Number of Shares of Common Stock Outstanding
Basic	29,453		21,066
Diluted	29,479		21,066

            

(1)Refer to Note 10 for additional details on related party transactions.

The accompanying notes are an integral part of these unaudited consolidated financial statements.

4

AG Mortgage Investment Trust, Inc. and Subsidiaries

Consolidated Statements of Stockholders’ Equity (Unaudited)

(in thousands)

For the Three Months Ended March 31, 2024 and March 31, 2023
	Common Stock			Preferred  Stock		Additional Paid-in Capital		Retained Earnings/(Deficit)
	Shares	Amount								Total
Balance at January 1, 2024	29,437	$	294	$	220,472	$	823,715	$	(516,113)	$	528,368
Grant of restricted stock and amortization of equity based compensation	16	1		—		193		—		194
Common dividends declared	—	—		—		—		(5,301)		(5,301)
Preferred dividends declared	—	—		—		—		(4,586)		(4,586)
Net Income/(Loss)	—	—		—		—		20,890		20,890
Balance at March 31, 2024	29,453	$	295	$	220,472	$	823,908	$	(505,110)	$	539,565
	Common Stock			Preferred  Stock		Additional Paid-in Capital		Retained Earnings/(Deficit)
	Shares	Amount								Total
Balance at January 1, 2023	21,284	$	212	$	220,472	$	778,606	$	(536,490)	$	462,800
Repurchase of common stock	(923)	(9)		—		(5,235)		—		(5,244)
Grant of restricted stock	16	1		—		86		—		87
Common dividends declared	—	—		—		—		(3,684)		(3,684)
Preferred dividends declared	—	—		—		—		(4,586)		(4,586)
Net Income/(Loss)	—	—		—		—		12,540		12,540
Balance at March 31, 2023	20,377	$	204	$	220,472	$	773,457	$	(532,220)	$	461,913

The accompanying notes are an integral part of these unaudited consolidated financial statements.

5

AG Mortgage Investment Trust, Inc. and Subsidiaries

Consolidated Statements of Cash Flows (Unaudited)

(in thousands)

	Three Months Ended
	March 31, 2024		March 31, 2023
Cash Flows from Operating Activities
Net income/(loss)	$	20,890	$	12,540
Adjustments to reconcile net income/(loss) to net cash provided by (used in) operating activities:
Net amortization of premium/(discount)	2,428		1,492
Net realized (gain)/loss	1,103		(100)
Net unrealized (gain)/loss	(10,014)		(8,717)
Grant of restricted stock and amortization of equity based compensation	194		87
Equity in (earnings)/loss from affiliates	(2,037)		(16)
Distributions of income from investments in debt and equity of affiliates	887		158
Change in operating assets/liabilities:
Other assets	3,056		977
Other liabilities	(4,535)		108
Net cash provided by (used in) operating activities	11,972		6,529
Cash Flows from Investing Activities
Purchases of residential mortgage loans	(288,145)		(22,834)
Purchases of real estate securities	(127,991)		(276,265)
Investments in debt and equity of affiliates	—		(700)
Proceeds from sales of residential mortgage loans	—		66,551
Proceeds from sales of real estate securities	19,318		—
Principal repayments on residential mortgage loans	140,625		73,956
Principal repayments on real estate securities	869		712
Distributions received in excess of income from investments in debt and equity of affiliates	1,611		1,983
Net settlement of interest rate swaps and other instruments	4,390		(1,175)
Net settlement of TBAs	10		179
Cash flows provided by other investing activities	1,082		371
Net cash provided by (used in) investing activities	(248,231)		(157,222)
Cash Flows from Financing Activities
Repurchase of common stock	—		(5,244)
Net borrowings under (repayments of) financing arrangements	(30,295)		8,271
Principal repayments on fixed-rate long-term financing arrangements	(2,895)		—
Proceeds from issuance of senior unsecured notes	32,763		—
Repurchases of convertible senior unsecured notes	(7,059)		—
Deferred financing costs paid	(142)		(9)
Proceeds from issuance of securitized debt	365,602		235,709
Principal repayments on securitized debt	(124,596)		(66,957)
Net collateral received from (paid to) derivative counterparty	—		(9,026)
Dividends paid on common stock	(1,472)		(3,846)
Dividends paid on preferred stock	(4,586)		(4,586)
Net cash provided by (used in) financing activities	227,320		154,312

6

	Three Months Ended
	March 31, 2024		March 31, 2023
Net change in cash and cash equivalents and restricted cash	(8,939)		3,619
Cash and cash equivalents and restricted cash, Beginning of Period	125,573		98,803
Cash and cash equivalents and restricted cash, End of Period	$	116,634	$	102,422
Supplemental disclosure of cash flow information:
Cash paid for interest on financing arrangements and securitized debt	$	72,178	$	42,932
Cash paid for income taxes	$	121	$	—
Supplemental disclosure of non-cash financing and investing activities:
Common stock dividends declared but not paid	$	5,301	$	3,684
Transfer from residential mortgage loans to other assets	$	255	$	915

The following table provides a reconciliation of cash and cash equivalents and restricted cash reported within the consolidated balance sheets that sum to the total of the same such amounts shown in the consolidated statements of cash flows:

	March 31, 2024		March 31, 2023
Cash and cash equivalents	$	100,287	$	87,876
Restricted cash	16,347		14,546
Total cash, cash equivalents and restricted cash shown in the consolidated statements of cash flows	$	116,634	$	102,422

The accompanying notes are an integral part of these unaudited consolidated financial statements.

7

AG Mortgage Investment Trust Inc. and Subsidiaries

Notes to Consolidated Financial Statements (Unaudited)

March 31, 2024  

1. Organization

AG Mortgage Investment Trust, Inc. (the "Company" or "MITT") is a residential mortgage REIT with a focus on investing in a diversified risk-adjusted portfolio of residential mortgage-related assets in the U.S. mortgage market. The Company’s investment activities primarily include acquiring and securitizing newly-originated residential mortgage loans within the non-agency segment of the housing market. The Company obtains its assets through Arc Home, LLC ("Arc Home"), a residential mortgage loan originator in which the Company owns an approximate 44.6% interest, and through other third-party origination partners.

On December 6, 2023, the Company acquired Western Asset Mortgage Capital Corporation ("WMC"), an externally managed mortgage REIT that focused on investing in, financing and managing a portfolio of residential mortgage loans, real estate related securities, and commercial real estate loans. For more information, refer to the "WMC Acquisition" section below.

The Company’s assets, excluding its ownership in Arc Home, include Residential Investments, Agency RMBS and Legacy WMC Commercial Investments. Currently, its Residential Investments primarily consist of newly originated Non-Agency Loans and Agency-Eligible Loans. The Company may invest in other types of residential mortgage loans and other mortgage related assets. The Company also invests in Residential Investments through its unconsolidated ownership interests in affiliates which are included in the "Investments in debt and equity of affiliates" line item on its consolidated balance sheets.

The Company's asset classes are primarily comprised of the following:

Asset Class	Description
Residential Investments
Non-Agency Loans(1)	•Non-Agency Loans are loans that do not conform to the underwriting guidelines of a government-sponsored enterprise ("GSE"). Non-Agency Loans consist of Qualified mortgage loans ("QM Loans") and Non-Qualified mortgage loans ("Non-QM Loans"). QM Loans are residential mortgage loans that comply with the Ability-To-Repay rules and related guidelines of the Consumer Finance Protection Bureau.
Agency-Eligible Loans(1)	•Agency-Eligible Loans are loans that are underwritten in accordance with GSE guidelines and are primarily secured by investment properties, but are not guaranteed by a GSE. Although these loans are underwritten in accordance with GSE guidelines and can be delivered to Fannie Mae and Freddie Mac, the Company includes these loans within its Non-Agency securitizations.
Re- and Non-Performing Loans(1)	•Performing, re-performing, and non-performing loans are residential mortgage loans collateralized by a first lien mortgaged property.
Non-Agency RMBS(2)	•Non-Agency Residential Mortgage-Backed Securities ("RMBS") represent fixed- and floating-rate RMBS issued by entities other than U.S. GSEs or agencies of the U.S. government.
Agency RMBS(2)	•Agency RMBS represent interests in pools of residential mortgage loans guaranteed by a GSE such as Fannie Mae or Freddie Mac, or an agency of the U.S. Government such as Ginnie Mae.
Legacy WMC Commercial Investments(3)
Commercial Loans	•Commercial loans represent first lien commercial mortgage loans participations.
CMBS(2)	•Commercial Mortgage-Backed Securities ("CMBS") represent investments of fixed-rate and floating-rate CMBS, secured by, or evidencing an ownership interest in, a single commercial mortgage loan or a pool of commercial mortgage loans.

(1)These investments are included in the "Securitized residential mortgage loans, at fair value" and "Residential mortgage loans, at fair value" line items on the consolidated balance sheets.

(2)These investments are included in the "Real estate securities, at fair value" line item on the consolidated balance sheets.

(3)The Company's investments include commercial loans, CMBS and other securities (collectively, the "Legacy WMC Commercial Investments") that were acquired in the WMC acquisition. The Company expects to either hold the Legacy WMC Commercial Investments until maturity or opportunistically exit these investments.

8

AG Mortgage Investment Trust Inc. and Subsidiaries

Notes to Consolidated Financial Statements (Unaudited)

March 31, 2024

The Company conducts its business through one reportable segment, Loans and Securities, which reflects how the Company manages its business and analyzes and reports its results of operations.

The Company was incorporated in the state of Maryland on March 1, 2011 and commenced operations in July 2011. The Company conducts its operations to qualify and be taxed as a real estate investment trust ("REIT") under the Internal Revenue Code of 1986, as amended (the "Code"). The Company is externally managed by AG REIT Management, LLC, a Delaware limited liability company (the "Manager"), a wholly-owned subsidiary of Angelo, Gordon & Co., L.P. ("TPG Angelo Gordon"), a diversified credit and real estate investing platform within TPG Inc. ("TPG"). The Manager has delegated to TPG Angelo Gordon the overall responsibility of its day-to-day duties and obligations arising under the management agreement.

The consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries. All intercompany balances and transactions have been eliminated in consolidation.

WMC Acquisition

On December 6, 2023 (the "Closing Date"), the Company completed its acquisition of WMC, a Delaware corporation. WMC was an externally managed mortgage REIT that focused on investing in, financing and managing a portfolio of residential mortgage loans, real estate related securities, and commercial real estate loans. On the Closing Date, WMC merged with and into AGMIT Merger Sub, LLC, a Delaware limited liability company and wholly owned subsidiary of the Company ("Merger Sub"), with Merger Sub continuing as the surviving company (the "Merger"). As contemplated by the Agreement and Plan of Merger, dated as of August 8, 2023 (the "Merger Agreement"), the certificate of merger was filed with the Secretary of State of the State of Delaware, and the Merger was effective at 8:15 a.m., Eastern Time, on the Closing Date (the "Effective Time").

Pursuant to the terms and subject to the conditions set forth in the Merger Agreement, at the Effective Time, each outstanding share of WMC common stock, par value $0.01 per share ("WMC Common Stock"), was converted into the right to receive the following (the "Per Share Merger Consideration"): (i) from MITT, 1.498 shares of MITT common stock; and (ii) from the Manager, a cash amount equal to $0.92 (the "Per Share Additional Manager Consideration"). No fractional shares of MITT common stock were issued in the Merger, and the value of any fractional interests to which a former holder of WMC Common Stock was otherwise entitled was paid in cash.

Pursuant to the Merger Agreement, the amount of the Per Share Additional Manager Consideration was reduced by the smallest amount (rounded to the nearest cent) necessary to cause the Per Share Additional Manager Consideration to be less than 10% of the total value of the Per Share Merger Consideration received by a holder of WMC Common Stock under the Merger Agreement. Pursuant to the previously disclosed amendment to the Company's management agreement, dated as of August 8, 2023, by and between MITT and the Manager (the "MITT Management Agreement Amendment"), which became effective on the Closing Date and amends the existing management agreement, dated as of June 29, 2011 (as amended, the "Existing MITT Management Agreement"), (i) the Manager will waive its right to seek reimbursement from MITT for any expenses otherwise reimbursable by MITT under the Existing MITT Management Agreement in an amount equal to approximately $1.3 million, which is the excess of $7.0 million over the aggregate Per Share Additional Manager Consideration paid by the Manager to the holders of WMC Common Stock under the Merger Agreement, and (ii) the Manager’s base management fee will be reduced by $0.6 million for the first four quarters following the Effective Time, beginning with the fiscal quarter in which the Effective Time occurred (i.e., resulting in an aggregate $2.4 million waiver of base management fees).

Additionally, each outstanding share of WMC’s restricted common stock and each WMC restricted stock unit (each, a "WMC Equity Award") vested in full immediately prior to the Effective Time and, as of the Effective Time, was considered outstanding for all purposes of the Merger Agreement, including the right to receive the Per Share Merger Consideration, except that WMC Equity Awards granted to certain members of the WMC board of directors at WMC’s 2023 annual stockholders’ meeting (collectively, the "2023 WMC Director Awards") were treated as follows: (i) for M. Christian Mitchell and Lisa G. Quateman, who were appointed to the MITT board of directors as of the Effective Time, the 2023 WMC Director Awards were equitably adjusted effective as of the Effective Time into awards relating to shares of MITT common stock that have the same value, vesting terms and other terms and conditions as applied to the corresponding WMC restricted stock units immediately prior to the Effective Time and (ii) for the other members of the WMC board of directors, the 2023 WMC Director Awards accelerated and vested pro-rata effective as of immediately prior to the Effective Time based on a fraction, the numerator of which was 166 (the number of days between the grant date and the Closing Date) and the denominator of which was 365, and the remaining unvested portion of such 2023 WMC Director Awards was cancelled without any consideration.

9

AG Mortgage Investment Trust Inc. and Subsidiaries

Notes to Consolidated Financial Statements (Unaudited)

March 31, 2024

Pursuant to the Merger Agreement, approximately 9.2 million shares of MITT common stock were issued to former WMC common stockholders and, following the consummation of the Merger, former WMC common stockholders owned approximately 31% of the common equity of MITT.

Purchase Price Allocation

The Company completed the WMC acquisition on December 6, 2023 to support continued growth of the Company and to create efficiency and scale for stockholders. The Company accounted for this transaction in accordance with Accounting Standards Codification ("ASC") 805, "Business Combinations" using the acquisition method of accounting, which requires, among other things, that the assets acquired and liabilities assumed be recognized at fair value as of the acquisition date. The following table summarizes the allocation of the total consideration paid to acquire the assets and assume the liabilities of WMC (in thousands, except exchange ratio and per share amounts).

Consideration
WMC shares outstanding at December 5, 2023 (1)	6,143
Exchange Ratio	1.498
Shares of MITT Common Stock Issued	9,202
MITT Common Stock Price as of December 5, 2023	$	5.56
MITT Total Consideration (2)	$	51,163
Assets
Securitized residential mortgage loans (3)	$	971,781
Residential mortgage loans (3)	6,046
Commercial loans	78,459
Non-Agency RMBS	48,200
CMBS	56,301
Other securities	1,159
Agency RMBS	745
Cash and cash equivalents	5,316
Restricted cash	873
Other assets	24,654
Total Assets	$	1,193,534
Liabilities
Securitized debt	$	837,317
Financing arrangements	171,170
Convertible senior unsecured notes	85,172
Other liabilities	18,522
Total Liabilities	$	1,112,181
Net Assets Acquired	$	81,353
Bargain purchase gain	$	30,190

(1)For time-based restricted stock units granted by WMC that fully vested as of the Closing Date, the fair value of the Company’s common stock issued in the satisfaction of these units was included in equity consideration transferred as no post acquisition service was required.

(2)MITT Total Consideration does not include the Per Share Additional Manager Consideration paid by the Manager to former holders of WMC Common Stock.

(3)The unpaid principal balance of residential mortgage loans acquired in connection with the Merger was $1.1 billion.

The fair value of the assets acquired and liabilities assumed required the use of significant assumptions and estimates. Critical estimates included, but were not limited to, future expected cash flows related to these assets and liabilities and the applicable discount rates. These estimates were based on assumptions that management believes to be reasonable; however, actual results may differ from these estimates. The assessment of fair value is based on information that was available to management at the

10

AG Mortgage Investment Trust Inc. and Subsidiaries

Notes to Consolidated Financial Statements (Unaudited)

March 31, 2024

time the consolidated financial statements were prepared. Those estimates and assumptions are subject to change as management obtains additional information related to those estimates during the applicable measurement period. The final determination must occur within one year of the acquisition date.

Under the acquisition method of accounting, merger-related transaction costs (such as advisory, legal, valuation, and other professional fees) are not included as components of consideration transferred but are expensed in the periods in which the costs are incurred. The Company incurred transaction costs of $6.0 million during the third and fourth quarters of 2023, which were included in the "Transaction related expenses" line item in the consolidated statements of operations.

At acquisition, the Company recognized a bargain purchase gain of $30.2 million which was separately recorded in the consolidated statements of operations. The bargain purchase gain represents the amount by which the fair value of the net assets acquired in the acquisition exceeds the fair value of the shares of MITT common stock issued as consideration at the Effective Time. As a result of macroeconomic factors and interest rate volatility, the prices per share of common stock of certain companies within the mortgage REIT industry have traded at discounts to book values per share in recent periods, which contributed to the bargain purchase gain recorded on the WMC acquisition.

Unaudited Supplemental Pro Forma Financial Information

The following table presents unaudited pro forma combined interest income and net income/(loss) available to common stockholders for the three months ended March 31, 2023 prepared as if the Merger had been consummated on January 1, 2023 (in thousands).

	Three months ended March 31, 2023
Interest income	$	77,235
Net Income/(Loss) Available to Common Stockholders	15,104

The unaudited supplemental pro forma financial information includes adjustments to reflect the deconsolidation of certain VIEs held by WMC, as well as adjustments to management fees and certain other expenses. The unaudited supplemental pro forma financial information does not include any anticipated expense synergies or other anticipated benefits of the Merger and, accordingly, the unaudited supplemental pro forma financial information is not necessarily indicative of either future results of operations or results that might have been achieved had the Merger occurred on January 1, 2023.

2. Summary of significant accounting policies

Consolidation and basis of presentation

The accompanying unaudited consolidated financial statements and related notes have been prepared on the accrual basis of accounting in accordance with accounting principles generally accepted in the United States of America ("GAAP") for interim financial reporting and the instructions to Form 10-Q and Rule 10-01 of Regulation S-X. The operating results presented for interim periods are not necessarily indicative of the results that may be expected for any other interim period or for the entire year. In the opinion of management, all adjustments considered necessary for a fair statement of the Company’s financial position, results of operations, and cash flows have been included for the interim period and are of a normal and recurring nature. The operating results presented for interim periods are not necessarily indicative of the results that may be expected for any other interim period or for the entire year.

Significant accounting policies

There have been no significant changes to the Company's accounting policies included in Note 2 to the consolidated financial statements of the Company’s Form 10-K for the year ended December 31, 2023. These unaudited consolidated financial statements and related notes should be read in conjunction with the consolidated financial statements and related notes for the year ended December 31, 2023 included in the Company’s Form 10-K.

Use of estimates

The preparation of consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. Actual results may differ from those estimates.

11

AG Mortgage Investment Trust Inc. and Subsidiaries

Notes to Consolidated Financial Statements (Unaudited)

March 31, 2024

Investment consolidation

An entity is a variable interest entity ("VIE") if the equity investors (i) do not have sufficient equity at risk for the entity to finance its activities without additional subordinated financial support, (ii) are unable to direct the entity’s activities or (iii) are not exposed to the entity’s losses or entitled to its residual returns. VIEs within the scope of Accounting Standards Codification ("ASC") 810-10, "Consolidation" are required to be consolidated by their primary beneficiary. The primary beneficiary of a VIE is determined to be the party that has both the power to direct the activities of a VIE that most significantly impact the VIE’s economic performance and the obligation to absorb losses or the right to receive benefits from the VIE that could potentially be significant to the VIE. This determination can sometimes involve complex and subjective analyses. Further, ASC 810-10 also requires ongoing assessments of whether an enterprise is the primary beneficiary of a VIE. In accordance with ASC 810-10, all transferees, including variable interest entities, must be evaluated for consolidation. If the Company determines that consolidation is not required, it will then assess whether the transfer of the underlying assets would qualify as a sale, should be accounted for as secured financings under GAAP, or should be accounted for as an equity method investment, depending on the circumstances.

A Special Purpose Entity ("SPE") is an entity designed to fulfill a specific limited need of the company that organized it. SPEs are often used to facilitate transactions that involve securitizing financial assets or resecuritizing previously securitized financial assets. The objective of such transactions may include obtaining non-recourse financing, obtaining liquidity or refinancing the underlying securitized financial assets on improved terms. Securitization involves transferring assets to an SPE to convert all or a portion of those assets into cash before they would have been realized in the normal course of business through the SPE’s issuance of debt or equity instruments. Investors in an SPE usually have recourse only to the assets in the SPE and depending on the overall structure of the transaction, may benefit from various forms of credit enhancement, such as over-collateralization in the form of excess assets in the SPE, priority with respect to receipt of cash flows relative to holders of other debt or equity instruments issued by the SPE, or a line of credit or other form of liquidity agreement that is designed with the objective of ensuring that investors receive principal and/or interest cash flow on the investment in accordance with the terms of their investment agreement.

The Company enters into securitization transactions collateralized by its Non-Agency Loans/Agency-Eligible Loans and re- and non-performing loans (the trusts in which these loans are deposited are referred to as "Non-Agency VIEs" and "RPL/NPL VIEs", respectively), which may result in the Company consolidating the respective VIEs that are created to facilitate these securitizations. Based on the evaluations of each VIE, the Company may conclude that the VIEs should be consolidated and, as a result, transferred assets of these VIEs would be determined to be secured borrowings. Upon consolidation, the Company elected the fair value option pursuant to ASC 825 for the assets and liabilities of the Non-Agency VIEs and RPL/NPL VIEs. Electing the fair value option allows the Company to record changes in fair value in the consolidated statement of operations, which, in management's view, more appropriately reflects the results of operations for a particular reporting period as all activities will be recorded in a similar manner. The Company applied the guidance under ASC 810-10 (Measuring the Financial Assets and the Financial Liabilities of a Consolidated Collateralized Financing Entity) whereby the Company determines whether the fair value of the assets or liabilities of the Non-Agency VIEs and RPL/NPL VIEs are more observable as a basis for measuring the less observable financial instruments. The Company has determined that the fair value of the liabilities of the Non-Agency VIEs and RPL/NPL VIEs are more observable since the prices for these liabilities are more easily determined as similar instruments trade more frequently on a relative basis than the individual assets of the VIEs. See Note 3 for more detail regarding the Non-Agency VIEs and RPL/NPL VIEs and Note 5 for more detail related to the Company's determination of fair value for the assets and liabilities included within these VIEs.

Debt issuance costs

Debt issuance costs are costs incurred by the Company in connection with the issuance of Senior Unsecured Notes or other financing where the fair value option has not been elected. These costs may include underwriting commissions, rating agency, legal, accounting, and other fees. Debt issuance costs are included on the Company’s consolidated balance sheets as a direct reduction from the related financing liability. These costs are deferred and amortized over the life of the related financing as an adjustment to interest expense using the effective interest method.

12

AG Mortgage Investment Trust Inc. and Subsidiaries

Notes to Consolidated Financial Statements (Unaudited)

March 31, 2024

Recent accounting pronouncements

Debt with conversion and other options

In August 2020, FASB issued ASU 2020-06, "Debt-Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging- Contracts in Entity's Own Equity (Subtopic 815-40)." The amendments in this update affect entities that issue convertible instruments and/or contracts in an entity's own equity. For convertible instruments, the instruments primarily affected are those issued with beneficial conversion features or cash conversion features because the accounting models for those specific features are removed. This ASU is effective for the year ended December 31, 2024. The Company's adoption of ASU 2020-06 during the three months ended March 31, 2024 did not have a material impact on the consolidated financial statements.

Segment Reporting

In November 2023, the FASB issued ASU 2023-07, "Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures." ASU 2023-07 intends to improve reportable segment disclosure requirements, primarily through enhanced disclosures related to significant segment expenses. In addition, this standard is expected to enhance interim disclosure requirements, clarify circumstances in which an entity can disclose multiple segment measures of profit or loss and provides new segment disclosure requirements for entities with a single reportable segment. ASU 2023-07 is effective on a retrospective basis for annual periods beginning after December 15, 2023, for interim periods within fiscal years beginning after December 15, 2024, and early adoption is permitted. The Company does not expect the adoption of the new standard to have a material effect on its consolidated financial statements.

13

AG Mortgage Investment Trust Inc. and Subsidiaries

Notes to Consolidated Financial Statements (Unaudited)

March 31, 2024

3. Loans

Residential mortgage loans

The tables below detail information regarding the Company’s residential mortgage loan portfolio as of March 31, 2024 and December 31, 2023 ($ in thousands). The gross unrealized gains/(losses) in the table below represent inception to date gains/(losses).

	Unpaid Principal Balance						Gross Unrealized						Weighted Average
March 31, 2024			Premium (Discount)		Amortized Cost		Gains		Losses		Fair Value		Coupon		Yield		Life  (Years) (1)
Securitized residential mortgage loans, at fair value (2)
Non-Agency Loans (3)	$	5,854,878	$	(25,250)	$	5,829,628	$	33,960	$	(396,033)	$	5,467,555	5.33	%	5.64	%	9.63
Re- and Non-Performing Loans	212,525		(16,622)		195,903		—		(18,454)		177,449		3.97	%	6.27	%	5.78
Total Securitized residential mortgage loans, at fair value	$	6,067,403	$	(41,872)	$	6,025,531	$	33,960	$	(414,487)	$	5,645,004	5.28	%	5.66	%	9.49
Residential mortgage loans, at fair value
Non-Agency Loans	$	97,544	$	1,112	$	98,656	$	1,131	$	(643)	$	99,144	8.16	%	7.15	%	3.09
Agency-Eligible Loans	99,930		2,397		102,327		658		(30)		102,955		7.72	%	6.98	%	3.67
Re- and Non-Performing Loans	2,439		(1,519)		920		1,332		—		2,252		N/A		116.45	%	1.62
Total Residential mortgage loans, at fair value	$	199,913	$	1,990	$	201,903	$	3,121	$	(673)	$	204,351	7.94	%	8.27	%	3.36
Total as of March 31, 2024	$	6,267,316	$	(39,882)	$	6,227,434	$	37,081	$	(415,160)	$	5,849,355	5.36	%	5.75	%	9.30
	Unpaid Principal Balance						Gross Unrealized						Weighted Average
December 31, 2023			Premium (Discount)		Amortized Cost		Gains		Losses		Fair Value		Coupon		Yield		Life  (Years) (1)
Securitized residential mortgage loans, at fair value (2)
Non-Agency Loans (3)	$	5,599,960	$	(32,250)	$	5,567,710	$	29,603	$	(422,144)	$	5,175,169	5.19	%	5.51	%	10.37
Re- and Non-Performing Loans	217,098		(17,465)		199,633		199		(16,720)		183,112		3.88	%	6.30	%	6.10
Total Securitized residential mortgage loans, at fair value	$	5,817,058	$	(49,715)	$	5,767,343	$	29,802	$	(438,864)	$	5,358,281	5.14	%	5.54	%	10.21
Residential mortgage loans, at fair value
Non-Agency Loans	$	92,033	$	835	$	92,868	$	2,222	$	(574)	$	94,516	8.10	%	7.29	%	3.14
Agency-Eligible Loans	212,350		3,535		215,885		4,824		—		220,709		7.94	%	7.28	%	3.37
Re- and Non-Performing Loans	2,604		(1,630)		974		1,432		—		2,406		N/A		112.97	%	1.69
Total Residential mortgage loans, at fair value	$	306,987	$	2,740	$	309,727	$	8,478	$	(574)	$	317,631	7.99	%	8.08	%	3.29
Total as of December 31, 2023	$	6,124,045	$	(46,975)	$	6,077,070	$	38,280	$	(439,438)	$	5,675,912	5.28	%	5.68	%	9.86

(1)This is based on projected life. Typically, actual maturities are shorter than stated contractual maturities. Maturities are affected by the lives of the underlying mortgage loans, periodic payments of principal, and prepayments of principal.

(2)Refer to the "Variable interest entities" section below for additional details related to the assets and liabilities of VIEs consolidated on the Company's consolidated balance sheets.

(3)Securitized Non-Agency Loans include loans that were considered to be Agency-Eligible prior to the Company's securitization.

14

AG Mortgage Investment Trust Inc. and Subsidiaries

Notes to Consolidated Financial Statements (Unaudited)

March 31, 2024

The following tables present information regarding credit quality of the Company's residential mortgage loans ($ in thousands).

	Unpaid Principal Balance			Weighted Average (1)(2)			Aging by Unpaid Principal Balance (1)(3)
March 31, 2024			Loan Count (1)	Original LTV Ratio (4)		Current FICO (5)	Current		30-59 Days		60-89 Days		90+ Days
Securitized residential mortgage loans
Non-Agency Loans	$	5,854,878	14,239	67.03	%	748	$	5,674,716	$	68,456	$	41,483	$	70,223
Re- and Non-Performing Loans	212,525		1,459	79.78	%	659	149,877		17,683		7,690		37,275
Total Securitized residential mortgage loans	$	6,067,403	15,698	67.48	%	745	$	5,824,593	$	86,139	$	49,173	$	107,498
Residential mortgage loans
Non-Agency Loans	$	97,544	182	74.36	%	726	$	91,110	$	731	$	—	$	5,703
Agency-Eligible Loans	99,930		258	72.86	%	771	99,930		—		—		—
Re- and Non-Performing Loans (1)	2,439		N/A	N/A		N/A	N/A		N/A		N/A		N/A
Total Residential mortgage loans	$	199,913	440	73.60	%	749	$	191,040	$	731	$	—	$	5,703
Total as of March 31, 2024	$	6,267,316	16,138	67.67	%	745	$	6,015,633	$	86,870	$	49,173	$	113,201
	Unpaid Principal Balance			Weighted Average (1)(2)			Aging by Unpaid Principal Balance (1)(3)
December 31, 2023			Loan Count (1)	Original LTV Ratio (4)		Current FICO (5)	Current		30-59 Days		60-89 Days		90+ Days
Securitized residential mortgage loans
Non-Agency Loans	$	5,599,960	13,460	66.65	%	748	$	5,446,631	$	68,242	$	30,873	$	54,214
Re- and Non-Performing Loans	217,098		1,495	79.80	%	657	154,632		17,145		4,780		40,541
Total Securitized residential mortgage loans	$	5,817,058	14,955	67.14	%	744	$	5,601,263	$	85,387	$	35,653	$	94,755
Residential mortgage loans
Non-Agency Loans	$	92,033	170	74.79	%	730	$	83,582	$	1,010	$	615	$	6,826
Agency-Eligible Loans	212,350		536	71.99	%	777	211,499		851		—		—
Re- and Non-Performing Loans (1)	2,604		N/A	N/A		N/A	N/A		N/A		N/A		N/A
Total Residential mortgage loans	$	306,987	706	72.83	%	764	$	295,081	$	1,861	$	615	$	6,826
Total as of December 31, 2023	$	6,124,045	15,661	67.42	%	745	$	5,896,344	$	87,248	$	36,268	$	101,581

(1)Loan count, weighted average, and aging data excludes the Re- and Non-Performing Loans subcategory of Residential mortgage loans above as there may be limited data available regarding the underlying collateral of these residual positions.

(2)Amounts are weighted based on unpaid principal balance.

(3)As of March 31, 2024, the Company had securitized residential mortgage loans and residential mortgage loans that were 90+ days delinquent with a fair value of $52.2 million and loans in the process of foreclosure with a fair value of $52.6 million. As of December 31, 2023, the Company had securitized residential mortgage loans and residential mortgage loans that were 90+ days delinquent with a fair value of $41.7 million and loans in the process of foreclosure with a fair value of $51.8 million.

(4)Represents the original LTV or, for Re- and Non-Performing Loans and Non-Agency Loans acquired from WMC, the LTV at acquisition.

(5)Weighted average current FICO excludes borrowers where FICO scores were not available. Data is based on the latest available information, which is primarily as of February 29, 2024 and November 30, 2023, respectively.

As of March 31, 2024 and December 31, 2023, 11.4% and 12.0%, respectively, of the unpaid principal balance of the Company's securitized residential mortgage loans and residential mortgage loans were adjustable rate mortgages.

During the three months ended March 31, 2024 and 2023, the Company purchased residential mortgage loans, as detailed below (in thousands).

	Three Months Ended March 31, 2024				Three Months Ended March 31, 2023
	Unpaid Principal Balance		Fair Value		Unpaid Principal Balance		Fair Value
Non-Agency Loans	$	14,046	$	14,214	$	22,550	$	22,954
Agency-Eligible Loans	268,086		271,084		—		—
Total	$	282,132	$	285,298	$	22,550	$	22,954

15

AG Mortgage Investment Trust Inc. and Subsidiaries

Notes to Consolidated Financial Statements (Unaudited)

March 31, 2024

The Company did not sell any residential mortgage loans during the three months ended March 31, 2024. For the three months ended March 31, 2023, the Company sold residential mortgage loans as detailed below ($ in thousands).

	Number of Loans	Proceeds		Realized Gains		Realized Losses
Non-Agency Loans	116	$	46,909	$	—	$	(9,745)
Agency-Eligible Loans	47	18,474		69		(85)

The Company’s residential mortgage loan portfolio consists of mortgage loans on residential real estate located throughout the United States. The following is a summary of the geographic concentration of credit risk as of March 31, 2024 and December 31, 2023 and includes states where the exposure is greater than 5% of the fair value of the Company's residential mortgage loan portfolio.

 

Geographic Concentration of Credit Risk (1)	March 31, 2024		December 31, 2023
California	37	%	38	%
New York	13	%	13	%
Florida	10	%	10	%
Texas	6	%	6	%
New Jersey	5	%	5	%

(1)Excludes the Re- and Non-Performing Loans subcategory of Residential mortgage loans above as there may be limited data available regarding the underlying collateral of these residual positions.

Variable interest entities

The Company entered into securitization transactions collateralized by its Non-Agency Loans/Agency-Eligible Loans and re- and non-performing loans, which are considered VIEs. The Company was determined to be the primary beneficiary of the VIEs and, as a result, consolidated the assets and liabilities of the VIEs on its consolidated balance sheets. In a securitization transaction, a pool of loans is transferred to a wholly-owned subsidiary of the Company and the loans are deposited into a newly created securitization trust. The securitization trust issues various classes of mortgage pass-through certificates backed by the cash flows from the underlying residential mortgage loans (the "Certificates"). As the sponsor of the securitization, the Company retains certain Certificates issued by the securitization trusts in order to satisfy risk retention rules, which generally require the sponsor to retain at least 5% of the fair value of the Certificates issued in the securitization. The Company's continuing involvement in these securitizations represents its retained Certificates and the ability to purchase all of the outstanding Certificates upon the occurrence of certain events through an optional redemption right held by the Company. The Company has also engaged a related party of the Manager and direct subsidiary of TPG Angelo Gordon to act as the servicing administrator of certain securitization trusts.

16

AG Mortgage Investment Trust Inc. and Subsidiaries

Notes to Consolidated Financial Statements (Unaudited)

March 31, 2024

The following table details certain information related to the assets and liabilities of the Non-Agency VIEs as of March 31, 2024 and December 31, 2023 ($ in thousands).

	March 31, 2024					December 31, 2023
	Carrying Value		Weighted Average			Carrying Value		Weighted Average
			Yield		Life (Years) (1)			Yield		Life (Years) (1)
Assets
Securitized residential mortgage loans, at fair value (2)	$	5,467,555	5.64	%	9.63	$	5,175,169	5.51	%	10.37
Other assets	26,870					25,105
Total Assets	$	5,494,425				$	5,200,274
Liabilities
Securitized debt, at fair value (2) (3)	$	4,871,205	5.07	%	7.10	$	4,597,490	4.94	%	7.52
Other liabilities	18,740					17,269
Total Liabilities	$	4,889,945				$	4,614,759
Total Equity (4)	$	604,480				$	585,515

(1)This is based on projected life. Typically, actual maturities are shorter than stated contractual maturities. Maturities are affected by the contractual lives of the underlying mortgages, periodic payments of principal, and prepayments of principal.

(2)Securitized residential mortgage loans in Non-Agency VIEs include loans that were considered to be Agency-Eligible prior to the Company's securitization.

(3)The holders of the securitized debt have no recourse to the general credit of the Company. The Company has no obligation to provide any other explicit or implicit support to the Non-Agency VIEs.

(4)As of March 31, 2024 and December 31, 2023, the Company had outstanding financing arrangements of $315.0 million and $301.2 million, respectively, collateralized by $597.4 million and $578.8 million of the Company's retained interests in the Non-Agency VIEs, respectively. See Note 6 for more detail regarding the Company's financing arrangements.

The following table details certain information related to the assets and liabilities of the RPL/NPL VIEs as of March 31, 2024 and December 31, 2023 ($ in thousands).

	March 31, 2024					December 31, 2023
	Carrying Value		Weighted Average			Carrying Value		Weighted Average
			Yield		Life (Years) (1)			Yield		Life (Years) (1)
Assets
Securitized residential mortgage loans, at fair value	$	177,449	6.27	%	5.78	$	183,112	6.30	%	6.10
Restricted cash	17					10
Other assets	1,736					2,056
Total Assets	$	179,202				$	185,178
Liabilities
Securitized debt, at fair value (2)	$	109,737	3.28	%	3.86	$	114,133	3.25	%	3.77
Other liabilities	322					328
Total Liabilities	$	110,059				$	114,461
Total Equity (3)	$	69,143				$	70,717

(1)This is based on projected life. Typically, actual maturities are shorter than stated contractual maturities. Maturities are affected by the contractual lives of the underlying mortgages, periodic payments of principal, and prepayments of principal.

(2)The holders of the securitized debt have no recourse to the general credit of the Company. The Company has no obligation to provide any other explicit or implicit support to the RPL/NPL VIEs.

(3)As of March 31, 2024 and December 31, 2023, the Company had outstanding financing arrangements of $43.6 million and $44.9 million, respectively, collateralized by $66.0 million and $67.1 million of the Company's retained interests in the RPL/NPL VIEs, respectively. See Note 6 for more detail regarding the Company's financing arrangements.

17

AG Mortgage Investment Trust Inc. and Subsidiaries

Notes to Consolidated Financial Statements (Unaudited)

March 31, 2024

Revolving Mortgage Investment Trust 2015-1QR2

Revolving Mortgage Investment Trust 2015-1QR2 ("RMI 2015 Trust") was acquired in the WMC acquisition and holds Non-Agency Loans and real estate owned ("REO"). RMI 2015 Trust issued a trust certificate that is wholly-owned by the Company and represents the entire beneficial interest in Non-Agency Loans and REO held by the trust. The Company consolidates the trust since it meets the definition of a VIE and the Company was determined to be the primary beneficiary. The Company classifies the underlying Non-Agency Loans and REO owned by the trust in the "Residential mortgage loans, at fair value" and "Other assets" line items on the consolidated balance sheets, respectively, and has eliminated the intercompany trust certificate in consolidation.

As of March 31, 2024, the RMI 2015 Trust holds Non-Agency Loans with a fair value of $5.3 million and REO with a carrying value of $3.4 million. As of December 31, 2023, the RMI 2015 Trust held Non-Agency Loans with a fair value of $6.6 million and REO with a carrying value of $3.4 million.

Legacy WMC Commercial loans

The tables below detail information regarding the Company's Legacy WMC Commercial loan portfolio as of March 31, 2024 and December 31, 2023 ($ in thousands). The gross unrealized gains/(losses) in the table below represent inception to date gains/(losses).

March 31, 2024			Premium / (Discount)		Amortized Cost		Gross Unrealized Gains		Fair Value		Weighted Average					Maturity Date (5)	LTV (6)		Location
Loan (1)(2)(3)	Unpaid Principal Balance										Coupon		Yield		Life (Years) (4)
Loan A (7)	$	7,259	$	(124)	$	7,135	$	25	$	7,160	9.52	%	10.76	%	1.18	5/6/2025	61.63	%	IL, FL
Loan B (7)	13,206		(226)		12,980		47		13,027		9.52	%	10.76	%	1.18	5/6/2025	75.33	%	CA
Loan C (7)	24,535		(420)		24,115		86		24,201		9.52	%	10.76	%	1.18	5/6/2025	77.22	%	NY
Loan D (8)	22,204		(167)		22,037		49		22,086		8.70	%	8.67	%	1.44	8/6/2025	42.50	%	CT
Total	$	67,204	$	(937)	$	66,267	$	207	$	66,474	9.25	%	10.06	%	1.27		63.63	%

December 31, 2023			Premium / (Discount)		Amortized Cost		Gross Unrealized Gains		Fair Value		Weighted Average					Maturity Date (5)	LTV (6)		Location
Loan (1)(2)(3)	Unpaid Principal Balance										Coupon		Yield		Life (Years) (4)
Loan A (7)	$	7,259	$	(137)	$	7,122	$	12	$	7,134	9.55	%	10.16	%	1.44	5/6/2025	61.63	%	IL, FL
Loan B (7)	13,206		(249)		12,957		22		12,979		9.55	%	10.16	%	1.44	5/6/2025	75.33	%	CA
Loan C (7)	24,535		(463)		24,072		40		24,112		9.55	%	10.16	%	1.44	5/6/2025	77.22	%	NY
Loan D (8)	22,204		(147)		22,057		21		22,078		8.72	%	8.17	%	1.69	8/6/2025	42.50	%	CT
Total	$	67,204	$	(996)	$	66,208	$	95	$	66,303	9.27	%	9.50	%	1.52		63.61	%

(1)The Company has the contractual right to receive a balloon payment for each loan.

(2)Each commercial loan investment is a first mortgage loan.

(3)Each commercial loan has a current payment status.

(4)Actual maturities of commercial loans may be shorter or longer than stated contractual maturities. Maturities are affected by prepayments of principal.

(5)Represents maturity date of the last possible extension option.

(6)Represents the LTV at acquisition.

(7)Loans A, B, and C have a floating rate coupon equal to 4.20% plus one-month SOFR and are collateralized by hotels.

(8)Loan D has a floating rate coupon equal to 3.38% plus one-month SOFR and is collateralized by a retail property.

18

AG Mortgage Investment Trust Inc. and Subsidiaries

Notes to Consolidated Financial Statements (Unaudited)

March 31, 2024

4. Real Estate Securities

The following tables detail the Company’s real estate securities portfolio as of March 31, 2024 and December 31, 2023 ($ in thousands). The gross unrealized gains/(losses) in the tables below represent inception to date unrealized gains/(losses). 

	Current Face		Premium / (Discount)		Amortized Cost		Gross Unrealized						Weighted Average
March 31, 2024							Gains		Losses		Fair Value		Coupon (1)		Yield
Non-Agency RMBS
GCAT Non-Agency RMBS (2)
GCAT Non-Agency Securities	$	43,794	$	(2,179)	$	41,615	$	—	$	(7,406)	$	34,209	4.67	%	6.01	%
GCAT Non-Agency RMBS Interest Only (3)	N/A		N/A		2,455		2,499		—		4,954		0.54	%	37.04	%
Total GCAT Non-Agency RMBS	43,794		(2,179)		44,070		2,499		(7,406)		39,163		2.53	%	9.94	%
Non-Agency Securities	40,930		(9,856)		31,074		3,166		(107)		34,133		6.21	%	8.41	%
Non-Agency RMBS Interest Only (3)	N/A		N/A		176		4		—		180		0.21	%	26.83	%
Total Non-Agency RMBS	84,724		(12,035)		75,320		5,669		(7,513)		73,476		3.02	%	9.27	%
Legacy WMC CMBS	103,399		(46,027)		57,372		944		(3,927)		54,389		7.38	%	20.97	%
Legacy WMC Other Securities (4)	N/A		N/A		1,120		100		—		1,220		N/A		19.45	%
Agency RMBS
30 Year Fixed Rate	121,708		123		121,831		—		(111)		121,720		5.50	%	5.48	%
Agency RMBS Interest Only (3)	N/A		N/A		22,104		99		(1,140)		21,063		4.01	%	10.59	%
Total Agency RMBS	121,708		123		143,935		99		(1,251)		142,783		4.77	%	6.24	%
Total as of March 31, 2024	$	309,831	$	(57,939)	$	277,747	$	6,812	$	(12,691)	$	271,868	4.74	%	10.06	%

	Current Face		Premium / (Discount)		Amortized Cost		Gross Unrealized						Weighted Average
December 31, 2023							Gains		Losses		Fair Value		Coupon (1)		Yield
Non-Agency RMBS
GCAT Non-Agency RMBS (2)
GCAT Non-Agency Securities	$	43,794	$	(2,281)	$	41,513	$	—	$	(8,971)	$	32,542	4.67	%	5.99	%
GCAT Non-Agency RMBS Interest Only (3)	N/A		N/A		2,541		2,450		—		4,991		—	%	37.74	%
Total GCAT Non-Agency RMBS	43,794		(2,281)		44,054		2,450		(8,971)		37,533		2.20	%	10.21	%
Non-Agency Securities	82,390		(33,399)		48,991		2,139		(124)		51,006		4.99	%	9.11	%
Non-Agency RMBS Interest Only (3)	N/A		N/A		1,116		1		(34)		1,083		0.35	%	16.04	%
Total Non-Agency RMBS	126,184		(35,680)		94,161		4,590		(9,129)		89,622		2.17	%	9.66	%
Legacy WMC CMBS	103,458		(46,925)		56,533		546		(730)		56,349		7.39	%	21.90	%
Legacy WMC Other Securities (4)	N/A		N/A		1,174		—		(18)		1,156		N/A		18.16	%
Agency RMBS Interest Only (3)	N/A		N/A		16,714		115		(1,135)		15,694		3.74	%	10.20	%
Total as of December 31, 2023	$	229,642	$	(82,605)	$	168,582	$	5,251	$	(11,012)	$	162,821	3.54	%	14.01	%

(1)Equity residual investments with a zero coupon rate are excluded from this calculation.

(2)GCAT Non-Agency RMBS are securities issued under Gold Creek Asset Trust ("GCAT"), which is the TPG Angelo Gordon securitization shelf under which the Company or private funds under the management of TPG Angelo Gordon securitize loans. Refer to the "Unconsolidated variable interest entities" section below for additional details on these securities.

(3)Interest Only have no principal balances and bear interest based on a notional value. The notional value is used solely to determine interest distributions on the interest only classes of securities. As of March 31, 2024, the notional values of the GCAT Non-Agency RMBS Interest Only, Non-Agency RMBS Interest Only and Agency RMBS Interest Only line items were $93.9 million, $30.6 million and $114.8 million, respectively. As of December 31, 2023, the notional values of the GCAT Non-Agency RMBS Interest Only, Non-Agency RMBS Interest Only and Agency RMBS Interest Only line items were $98.3 million, $128.8 million and $92.2 million, respectively.

(4)Legacy WMC Other securities include residual interests in asset-backed securities which have no principal balance.

19

AG Mortgage Investment Trust Inc. and Subsidiaries

Notes to Consolidated Financial Statements (Unaudited)

March 31, 2024

The following tables summarize the Company's real estate securities according to their projected weighted average life classifications as of March 31, 2024 and December 31, 2023 ($ in thousands).

March 31, 2024	Non-Agency RMBS				Legacy WMC CMBS				Legacy WMC Other Securities				Agency RMBS
Weighted Average Life (1)	Fair Value		Amortized Cost		Fair Value		Amortized Cost		Fair Value		Amortized Cost		Fair Value		Amortized Cost
Less than or equal to one year	$	—	$	—	$	18,348	$	20,595	$	—	$	—	$	—	$	—
Greater than one year and less than or equal to five years	3,546		3,502		36,041		36,777		—		—		609		632
Greater than five years and less than or equal to ten years	38,425		39,112		—		—		1,220		1,120		142,174		143,303
Greater than ten years	31,505		32,706		—		—		—		—		—		—
Total as of March 31, 2024	$	73,476	$	75,320	$	54,389	$	57,372	$	1,220	$	1,120	$	142,783	$	143,935

December 31, 2023	Non-Agency RMBS				Legacy WMC CMBS				Legacy WMC Other Securities				Agency RMBS
Weighted Average Life (1)	Fair Value		Amortized Cost		Fair Value		Amortized Cost		Fair Value		Amortized Cost		Fair Value		Amortized Cost
Less than or equal to one year	$	—	$	—	$	15,015	$	15,010	$	—	$	—	$	—	$	—
Greater than one year and less than or equal to five years	4,631		4,669		41,334		41,523		—		—		697		678
Greater than five years and less than or equal to ten years	38,792		40,539		—		—		1,156		1,174		14,997		16,036
Greater than ten years	46,199		48,953		—		—		—		—		—		—
Total as of December 31, 2023	$	89,622	$	94,161	$	56,349	$	56,533	$	1,156	$	1,174	$	15,694	$	16,714

(1)This is based on projected life. Typically, actual maturities are shorter than stated contractual maturities. Maturities are affected by the contractual lives of the underlying mortgages, periodic payments of principal and prepayments of principal.

The Company sold real estate securities during the three months ended March 31, 2024, as detailed below ($ in thousands). The Company did not sell any real estate securities during the three months ended March 31, 2023.

	Number of Securities	Proceeds		Realized Gains		Realized Losses
Three Months Ended March 31, 2024	7	$	19,318	$	1,160	$	(409)

Unconsolidated variable interest entities

The Company's Non-Agency RMBS includes certain securities retained from a rated Non-QM Loan securitization the Company participated in alongside a private fund under the management of TPG Angelo Gordon and issued under the GCAT shelf. Upon evaluating its investment in the VIE, the Company determined it was not the primary beneficiary and, as a result, did not consolidate the securitization trust. The Company has a 40.9% interest in the retained subordinate tranches which represents its continuing involvement in the securitization trust.

During 2023, the Company purchased non-risk retention bonds from Mortgage Acquisition Holding I LLC ("MATH"), an entity the Company invests in alongside private funds under the management of TPG Angelo Gordon. Through its 44.6% investment in MATH, the Company participated in rated Non-QM Loan securitizations issued under the GCAT shelf. As of March 31, 2024 and December 31, 2023, the Company's Non-Agency RMBS includes the non-risk retention bonds from these securitizations acquired from MATH. Upon evaluating its investment in these VIEs, the Company determined it was not the primary beneficiary and, as a result, did not consolidate the securitization trusts sponsored by MATH. The Company has a 57.7% interest in the non-risk retention bonds recorded on its consolidated balance sheets and a 47.0% interest in the risk retention bonds through its investment in MATH which together represent its continuing involvement in the securitization trusts. See Note 10 for additional details on the MATH transaction.

20

AG Mortgage Investment Trust Inc. and Subsidiaries

Notes to Consolidated Financial Statements (Unaudited)

March 31, 2024

The following table summarizes the Company’s investment in unconsolidated VIEs as of March 31, 2024 and December 31, 2023 (in thousands).

	March 31, 2024				December 31, 2023
	Current Face		Fair Value		Current Face		Fair Value
Retained interest in unconsolidated VIEs
GCAT Non-Agency Securities	$	43,794	$	34,209	$	43,794	$	32,542
GCAT Non-Agency RMBS Interest Only (1)	N/A		4,954		N/A		4,991
Total retained interest in unconsolidated VIEs (2) (3)	$	43,794	$	39,163	$	43,794	$	37,533

(1)Interest Only have no principal balances and bear interest based on a notional value. The notional value is used solely to determine interest distributions on the interest only classes of securities. As of March 31, 2024 and December 31, 2023, the notional values of the GCAT Non-Agency RMBS Interest Only line item were $93.9 million and $98.3 million, respectively.

(2)Maximum loss exposure from the Company’s involvement with unconsolidated VIEs pertains to the fair value of the securities retained from these VIEs. The Company has no obligation to provide any other explicit or implicit support to the securitization trust.

(3)As of March 31, 2024 and December 31, 2023, the Company held securities exposed to the first loss of the securitization with a fair value of $4.1 million and $4.1 million, respectively.

The following table summarizes information regarding the residential mortgage loans transferred to the Company’s unconsolidated VIEs as of March 31, 2024 and December 31, 2023 ($ in thousands).

Assets transferred to unconsolidated VIEs:	March 31, 2024			December 31, 2023
Total unpaid principal balance of loans outstanding (1)	$	436,585		$	450,366
Weighted average coupon on loans outstanding	5.68		%	5.67		%
Percent of unpaid principal balance greater than 90 days delinquent (2)	1.57		%	1.94		%

(1)The Company contributed approximately 40.9% of the unpaid principal balance into one of the securitization trusts and, through the Company's investment in MATH, contributed approximately 44.6% of the unpaid principal balance into the remaining four securitization trusts.

(2)As of March 31, 2024, 0.88% of loans were 90+ days delinquent and 0.69% of loans were in process of foreclosure. As of December 31, 2023, 0.70% of loans were 90+ days delinquent and 1.24% loans were in process of foreclosure.

5. Fair value measurements

The fair value of the Company's financial instruments is determined in accordance with the provisions of ASC 820, "Fair Value Measurements and Disclosures." When possible, the Company determines fair value using third-party data sources. ASC 820 establishes a hierarchy that prioritizes the inputs to valuation techniques. Level 1 inputs are observable inputs that reflect quoted prices for identical assets or liabilities in active markets. Level 2 inputs are observable inputs other than quoted prices and may include quoted prices for similar assets and liabilities in active markets. Level 3 inputs are significant unobservable inputs. In situations where quoted prices or observable inputs are unavailable (for example, when there is little or no market activity for an investment at the end of the period), unobservable inputs may be used and reflect the Company’s assumptions about the factors that market participants would use in pricing an asset or liability, and would be based on the best information available. In certain cases, inputs used to measure fair value fall into different levels of the fair value hierarchy. In such cases, the level at which the fair value measurement falls is determined based on the lowest level input that is significant to the fair value measurement.

21

AG Mortgage Investment Trust Inc. and Subsidiaries

Notes to Consolidated Financial Statements (Unaudited)

March 31, 2024

The following tables present the Company’s financial instruments measured at fair value on a recurring basis as of March 31, 2024 and December 31, 2023 (in thousands).

	Fair Value at March 31, 2024
	Level 1		Level 2		Level 3		Total
Assets:
Securitized residential mortgage loans	$	—	$	—	$	5,645,004	$	5,645,004
Residential mortgage loans	—		795		203,556		204,351
Legacy WMC Commercial Loans	—		—		66,474		66,474
Non-Agency RMBS	—		34,313		39,163		73,476
Legacy WMC CMBS	—		51,121		3,268		54,389
Legacy WMC Other Securities	—		—		1,220		1,220
Agency RMBS	—		142,783		—		142,783
Derivative assets (1)	—		10,351		472		10,823
Cash equivalents (2)	96,628		—		—		96,628
AG Arc (3)	—		—		33,190		33,190
Total Assets Measured at Fair Value	$	96,628	$	239,363	$	5,992,347	$	6,328,338
Liabilities:
Securitized debt	$	—	$	—	$	(4,980,942)	$	(4,980,942)
Derivative liabilities (1)	—		(1,147)		(159)		(1,306)
Total Liabilities Measured at Fair Value	$	—	$	(1,147)	$	(4,981,101)	$	(4,982,248)
	Fair value at December 31, 2023
	Level 1		Level 2		Level 3		Total
Assets:
Securitized residential mortgage loans	$	—	$	—	$	5,358,281	$	5,358,281
Residential mortgage loans	—		777		316,854		317,631
Legacy WMC Commercial loans	—		—		66,303		66,303
Non-Agency RMBS	—		52,089		37,533		89,622
Legacy WMC CMBS	—		50,553		5,796		56,349
Legacy WMC Other Securities	—		—		1,156		1,156
Agency RMBS	—		15,694		—		15,694
Derivative assets (1)	—		9,433		1,172		10,605
Cash equivalents (2)	95,749		—		—		95,749
AG Arc (3)	—		—		33,574		33,574
Total Assets Measured at Fair Value	$	95,749	$	128,546	$	5,820,669	$	6,044,964
Liabilities:
Securitized debt	$	—	$	—	$	(4,711,623)	$	(4,711,623)
Derivative liabilities (1)	—		(7,783)		(7)		(7,790)
Total Liabilities Measured at Fair Value	$	—	$	(7,783)	$	(4,711,630)	$	(4,719,413)

(1)As of March 31, 2024, the Company applied a reduction in fair value of $10.1 million and $1.0 million to its interest rate swap assets and liabilities, respectively, related to variation margin with a corresponding increase or decrease in restricted cash. As of December 31, 2023, the Company applied a reduction in fair value of $9.3 million and $7.7 million to its interest rate swap assets and liabilities, respectively, related to variation margin with a corresponding increase or decrease in restricted cash. Derivative assets and liabilities are included in the "Other assets" and "Other liabilities" line items on the consolidated balance sheets, respectively. Refer to Note 7 for more information on the Company's derivatives.

(2)The Company classifies highly liquid investments with original maturities of three months or less from the date of purchase as cash equivalents. Cash equivalents may include cash invested in money market funds and are carried at cost, which approximates fair value.

(3)The table above includes the Company's investment in AG Arc, which is included in its "Investments in debt and equity of affiliates" line item on the consolidated balance sheets, as the Company has chosen to elect the fair value option with respect to its investment pursuant to ASC 825.

22

AG Mortgage Investment Trust Inc. and Subsidiaries

Notes to Consolidated Financial Statements (Unaudited)

March 31, 2024

The valuation of the Company’s residential mortgage loans, securitized debt relating to the Non-Agency VIEs and RPL/NPL VIEs, commercial loans, certain securities, and forward purchase commitments is determined by the Manager using third-party pricing services where available, valuation analyses from third-party pricing service providers, or model-based pricing. Third-party pricing service providers conduct independent valuation analyses based on a review of source documents, available market data, and comparable investments. The analyses provided by valuation service providers are reviewed and considered by the Manager. The evaluation considers the underlying characteristics of each loan, which are observable inputs, including: coupon, maturity date, loan age, reset date, collateral type, periodic and life cap, geography, and prepayment speeds. The Company also considers loan servicing data, as available, forward interest rates, general economic conditions, home price index forecasts, and valuations of the underlying properties. The variables considered most significant to the determination of the fair value of the Company's residential mortgage loans, securitized debt, commercial loans, certain securities, and forward purchase commitments include market-implied discount rates, projections of default rates, delinquency rates, prepayment rates, loss severity, loan-to-value ratios, recovery rates, reperformance rates, timeline to liquidation, and, for forward purchase commitments, pull-through rates. The Company and third-party pricing service providers use loan level data and macro-economic inputs to generate loss adjusted cash flows and other information in determining the fair value. Because of the inherent uncertainty of such valuation, the fair value established for mortgage loans, securitized debt, commercial loans, certain securities, and forward purchase commitments held by the Company may differ from the fair value that would have been established if a ready market existed for these mortgage loans.

Fair values for the Company’s securities and derivatives may be based upon prices obtained from third-party pricing services or broker quotations. The valuation methodology of the Company’s third-party pricing services incorporates commonly used market pricing methods, including a spread measurement to various indices, which are observable inputs. The evaluation also considers the underlying characteristics of each investment, which are also observable inputs, including: coupon, maturity date, loan age, reset date, collateral type, periodic and life cap, geography, and prepayment speeds. The Company collects and considers current market intelligence on all major markets, including benchmark security evaluations and bid-lists from various sources, when available. As part of the Company’s risk management process, the Company reviews and analyzes all prices obtained by comparing prices to recently completed transactions involving the same or similar investments on or near the reporting date. If, in the opinion of the Manager, one or more prices reported to the Company are not reliable or unavailable, the Manager reviews the fair value based on characteristics of the investment it receives from the issuer and available market information.

The Company's investment in Arc Home is evaluated on a periodic basis using a market approach. In applying the market approach, fair value is determined by multiplying Arc Home's book value by a relevant valuation multiple observed based on a range of comparable public entities or transactions, adjusted by management as appropriate for differences between the investment and the referenced comparables. The evaluation also considers the underlying financial performance of Arc Home, general economic conditions, and relevant trends within the mortgage banking industry.

Changes in the market environment and other events that may occur over the life of these investments may cause the gains or losses ultimately realized to be different than the valuations currently estimated. The significant unobservable inputs used in the fair value measurement of the Company’s loans and securities are yields, prepayment rates, probability of default, and loss severity in the event of default. Significant increases (decreases) in any of those inputs in isolation would result in a significantly lower (higher) fair value measurement. Generally, a change in the assumption used for the probability of default is accompanied by a directionally similar change in the assumption used for the loss severity and a directionally opposite change in the assumption used for prepayment rates. The significant unobservable input used in the fair value measurement of the Company’s investment in Arc Home is the book value multiple. Significant increases (decreases) in the multiple applied would result in a significantly higher (lower) fair value measurement.

The Company did not have any transfers of assets or liabilities between Levels 1 and 2 of the fair value hierarchy during the three months ended March 31, 2024 and 2023.

The Company did not have any transfers between the Levels 2 and 3 of the fair value hierarchy during the three months ended March 31, 2024 and 2023. Transfers into the Level 3 category of the fair value hierarchy occur due to instruments exhibiting indications of reduced levels of market transparency. Transfers out of the Level 3 category of the fair value hierarchy occur due to instruments exhibiting indications of increased levels of market transparency. Indications of increases or decreases in levels of market transparency include a change in observable transactions or executable quotes involving these instruments or similar instruments. Changes in these indications could impact price transparency, and thereby cause a change in level designations in future periods.

23

AG Mortgage Investment Trust Inc. and Subsidiaries

Notes to Consolidated Financial Statements (Unaudited)

March 31, 2024

The following tables present additional information about the Company’s assets and liabilities which are measured at fair value on a recurring basis for which the Company has utilized Level 3 inputs to determine fair value (in thousands).

Three Months Ended March 31, 2024
	Residential Mortgage Loans (1)		Legacy WMC Commercial Loans		Non-Agency RMBS		Legacy WMC CMBS		Legacy WMC Other Securities		Derivative Assets (2)		AG Arc		Securitized Debt		Derivative Liabilities (2)
Beginning balance	$	5,675,135	$	66,303	$	37,533	$	5,796	$	1,156	$	1,172	$	33,574	$	(4,711,623)	$	(7)
Purchases	287,617		—		—		—		—		—		—		—		—
Issuances of Securitized Debt	—		—		—		—		—		—		—		(363,899)		—
Capital distributions	—		—		—		—		—		—		(312)		—		—
Proceeds from sales or settlements	—		—		—		—		—		(1,181)		—		—		49
Principal repayments	(140,625)		—		—		—		—		—		—		124,587		—
Included in net income:
Net premium and discount amortization (3)	4,197		60		16		(63)		(54)		—		—		(7,578)		—
Net realized gain/(loss)	2		—		—		—		—		1,181		—		—		(49)
Net unrealized gain/(loss)	23,056		111		1,614		(2,465)		118		(700)		—		(22,429)		(152)
Equity in earnings/(loss) from affiliates	—		—		—		—		—		—		(72)		—		—
Other (4)	(822)		—		—		—		—		—		—		—		—
Ending Balance	$	5,848,560	$	66,474	$	39,163	$	3,268	$	1,220	$	472	$	33,190	$	(4,980,942)	$	(159)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held as of March 31, 2024
Net premium and discount amortization (3)	4,197		60		16		(63)		(54)		—		—		(7,578)		—
Net unrealized gain/(loss)	23,056		111		1,614		(2,465)		118		472		—		(22,429)		(159)
Equity in earnings/(loss) from affiliates	—		—		—		—		—		—		(72)		—		—

Three Months Ended March 31, 2023
	Residential Mortgage Loans (1)		Non-Agency RMBS		Derivative assets (2)		AG Arc		Securitized debt		Derivative liabilities (2)
Beginning balance	$	4,127,843	$	14,917	$	98	$	39,680	$	(3,262,352)	$	(9)
Purchases	22,755		—		—		—		—		—
Issuances of Securitized Debt	—		—		—		—		(234,754)		—
Proceeds from sales or settlements	(65,383)		—		—		—		—		—
Principal repayments	(73,956)		—		—		—		66,957		—
Included in net income:
Net premium and discount amortization (3)	1,144		(76)		—		—		(2,738)		—
Net realized gain/(loss)	(9,758)		—		—		—		—		—
Net unrealized gain/(loss)	97,211		198		2,377		—		(72,642)		(66)
Equity in earnings/(loss) from affiliates	—		—		—		(2,140)		—		—
Other (4)	(1,083)		—		—		—		—		—
Ending Balance	$	4,098,773	$	15,039	$	2,475	$	37,540	$	(3,505,529)	$	(75)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held as of March 31, 2023
Net premium and discount amortization (3)	1,144		(76)		—		—		(2,738)		—
Net unrealized gain/(loss)	87,029		198		2,377		—		(72,642)		(66)
Equity in earnings/(loss) from affiliates	—		—		—		(2,140)		—		—

(1)Includes Securitized residential mortgage loans, Securitized residential mortgage loans held for sale, and Residential mortgage loans held for sale.

(2)Derivative assets and derivative liabilities are included in the "Other assets" and "Other liabilities" line items, respectively, on the consolidated balance sheets.

(3)Included in the "Interest income" and "Interest expense" line items on the consolidated statement of operations for assets and liabilities, respectively.

(4)Includes transfers of residential mortgage loans to real estate owned as well as activity related to advances.

24

AG Mortgage Investment Trust Inc. and Subsidiaries

Notes to Consolidated Financial Statements (Unaudited)

March 31, 2024

The following table presents a summary of quantitative information about the significant unobservable inputs used in the fair value measurement of investments for which the Company has utilized Level 3 inputs to determine fair value as of March 31, 2024 and December 31, 2023 ($ in thousands).

		March 31, 2024			December 31, 2023
Valuation Technique	Unobservable Input	Fair Value		Range (Weighted Average) (1)	Fair Value		Range (Weighted Average) (1)
Securitized Residential Mortgage Loans
	Yield			5.68% - 9.56% (6.29%)			5.67% - 9.47% (6.23%)
Discounted Cash Flow	Projected Collateral Prepayments	$	5,645,004	4.05% - 14.40% (5.88%)	$	5,358,281	3.02% - 10.47% (4.72%)
	Projected Collateral Losses			0.02% - 1.88% (0.16%)			0.02% - 1.88% (0.16%)
	Projected Collateral Severities			-14.97% - 26.00% (18.27%)			-13.44% - 26.00% (17.38%)
Residential Mortgage Loans
	Yield			6.32% - 13.75% (6.96%)			6.13% - 18.75% (6.64%)
Discounted Cash Flow	Projected Collateral Prepayments	$	203,556	2.84% - 37.25% (24.52%)	$	316,854	3.89% - 34.35% (24.88%)
	Projected Collateral Losses			0.00% - 21.78% (0.73%)			0.00% - 12.72% (0.15%)
	Projected Collateral Severities			-25.00% - 44.02% (9.72%)			-38.75% - 44.01% (9.62%)
Legacy WMC Commercial Loans
	Yield			8.62% - 10.70% (10.01%)			8.16% - 10.13% (9.47%)
Discounted Cash Flow	Credit Spread	$	66,474	377 bps - 550 bps (493 bps)	$	66,303	377 bps - 556 bps (496 bps)
	Recovery Percentage (2)			100.00% - 100.00% (100.00%)			100.00% - 100.00% (100.00%)
	Loan-to-Value			42.50% - 77.22% (63.63%)			42.50% - 77.22% (63.61%)
Non-Agency RMBS
	Yield			5.97% - 14.00% (9.18%)			6.23% - 14.00% (9.70%)
Discounted Cash Flow	Projected Collateral Prepayments	$	39,163	4.68% - 6.57% (5.49%)	$	37,533	4.55% - 5.26% (4.93%)
	Projected Collateral Losses			0.18% - 0.41% (0.29%)			0.17% - 0.28% (0.25%)
	Projected Collateral Severities			10.00% - 10.00% (10.00%)			10.00% - 10.00% (10.00%)
Legacy WMC CMBS
Consensus Pricing	Offered Quotes	$	3,268	31.13 - 31.13 (31.13)	$	5,796	55.20 - 55.20 (55.20)
Legacy WMC Other Securities
Consensus Pricing	Offered Quotes	$	1,220	7,199.26 - 7,199.26 (7,199.26)	$	1,156	6,821.32 - 6,821.32 (6,821.32)
Derivative Assets (3)
	Yield			6.32% - 9.39% (7.23%)			6.29% - 8.32% (6.81%)
Discounted Cash Flow	Projected Collateral Prepayments	$	472	10.45% - 31.62% (22.42%)	$	1,172	18.20% - 33.78% (27.00%)
	Projected Collateral Losses			0.01% - 2.70% (0.75%)			0.00% - 0.82% (0.14%)
	Projected Collateral Severities			10.00% - 10.00% (10.00%)			10.00% - 10.00% (10.00%)
	Pull Through Percentages			60.00% - 100.00% (85.04%)			60.00% - 100.00% (92.21%)
AG Arc
Comparable Multiple	Book Value Multiple	$	33,190	0.89x - 0.89x (0.89x)	$	33,574	0.89x - 0.89x (0.89x)
Securitized Debt
	Yield			5.11% - 15.00% (5.80%)			4.92% - 15.00% (5.72%)
Discounted Cash Flow	Projected Collateral Prepayments	$	(4,980,942)	4.05% - 14.40% (5.82%)	$	(4,711,623)	3.02% - 10.47% (4.66%)
	Projected Collateral Losses			0.02% - 0.50% (0.14%)			0.02% - 0.40% (0.15%)
	Projected Collateral Severities			10.00% - 26.00% (18.63%)			3.71% - 26.00% (17.76%)
Derivative Liabilities (3)
	Yield			6.41% - 7.17% (6.69%)			6.47% - 7.00% (6.51%)
Discounted Cash Flow	Projected Collateral Prepayments	$	(159)	19.59% - 31.75% (27.59%)	$	(7)	27.36% - 34.44% (34.30%)
	Projected Collateral Losses			0.01% - 0.31% (0.07%)			0.00% - 0.02% (0.00%)
	Projected Collateral Severities			10.00% - 10.00% (10.00%)			10.00% - 10.00% (10.00%)
	Pull Through Percentages			60.00% - 100.00% (76.84%)			60.00% - 100.00% (99.22%)

(1)Amounts are weighted based on fair value.

(2)Represents the proportion of the principal expected to be collected relative to the loan balances as of March 31, 2024 and December 31, 2023.

(3)Derivative assets and derivative liabilities are included in the "Other assets" and "Other liabilities" line items, respectively, on the consolidated balance sheets.

25

AG Mortgage Investment Trust Inc. and Subsidiaries

Notes to Consolidated Financial Statements (Unaudited)

March 31, 2024

Other Fair Value Disclosures

Short-term financing arrangements

The fair value of certain of the Company's financing arrangements approximates the carrying value due to the floating interest rates that are based on an index plus a spread, which is typically consistent with those demanded in the market, and the short-term maturities of generally one year or less. These financing agreements are classified as Level 2.

Legacy WMC Convertible Notes, Senior Unsecured Notes, and fixed-rate long-term financing arrangements

The following table presents the carrying value and estimated fair value of the Company's Legacy WMC Convertible Notes, Senior Unsecured Notes, and fixed-rate financing arrangements with contractual maturities of greater than one year as of March 31, 2024 and December 31, 2023 (in thousands). The fair value of the Company's Legacy WMC Convertibles Notes and Senior Unsecured Notes is based upon prices obtained from third-party pricing services or broker quotations and are classified as Level 2. The fair value of the Company's fixed-rate long-term financing arrangements is based on a discounted cash flow valuation approach using valuation analyses of the underlying collateral sourced from third-party pricing service providers and is classified as Level 3.

	March 31, 2024				December 31, 2023
	Carrying Value (1)		Estimated Fair Value		Carrying Value (1)		Estimated Fair Value
Legacy WMC Convertible Notes	$	78,530	$	79,115	$	85,266	$	84,525
Senior Unsecured Notes	32,810		35,093		—		—
Financing arrangements	59,676		59,941		62,972		63,175

(1)The Legacy WMC Convertible Notes, Senior Unsecured Notes, and fixed-rate long-term financing arrangements are recorded at amortized cost in the Company's consolidated balance sheets.

26

AG Mortgage Investment Trust Inc. and Subsidiaries

Notes to Consolidated Financial Statements (Unaudited)

March 31, 2024

6. Financing

The following table presents a summary of the Company's financing as of March 31, 2024 and December 31, 2023 ($ in thousands).

	March 31, 2024										December 31, 2023
	Financing					Weighted Average			Collateral Fair Value (1)(2)		Financing
	Current Face		Carrying Value		Stated Maturity	Funding Cost		Life (Years)			Carrying Value
Financing Arrangements by Asset Type
Securitized Residential Mortgage Loans (3)
Non-Agency Loans (4)	$	312,953	$	315,007	Apr 2024 - Jul 2025	7.34	%	0.31	$	597,357	$	301,205
Re- and Non-Performing Loans	43,628		43,628		Apr 2024	7.27	%	0.03	65,970		44,928
Residential Mortgage Loans (5)
Non-Agency Loans	77,191		77,191		Jun 2024 - Jan 2025	7.29	%	0.49	93,797		77,345
Agency-Eligible Loans	94,819		94,819		Dec 2024 - Mar 2025	7.18	%	0.91	102,955		200,617
Legacy WMC Commercial Loans (6)	47,222		47,222		Mar 2025	8.33	%	0.98	66,474		48,032
Non-Agency RMBS	36,415		36,415		Apr 2024 - May 2024	6.76	%	0.08	70,054		51,251
Legacy WMC CMBS	21,348		21,348		Apr 2024	7.28	%	0.01	51,121		31,620
Agency RMBS	98,371		98,371		Apr 2024	5.48	%	0.03	102,774		12,594
Total Financing Arrangements	$	731,947	$	734,001		7.09	%	0.38	$	1,150,502	$	767,592
Securitized debt, at fair value (7)
Non-Agency Loans (8) (9)	$	5,311,289	$	4,871,205	N/A	5.07	%	7.10	N/A		$	4,597,490
Re- and Non-Performing Loans (10)	121,654		109,737		N/A	3.28	%	3.86	N/A		114,133
Total Securitized Debt	$	5,432,943	$	4,980,942		5.03	%	7.03	N/A		$	4,711,623
Legacy WMC Convertible Notes	$	79,120	$	78,530	Sep 2024	8.42	%	0.47	N/A		$	85,266
Senior Unsecured Notes	$	34,500	$	32,810	Feb 2029	10.80	%	4.95	N/A		$	—
Total Financing	$	6,278,510	$	5,826,283		5.37	%	6.18	$	1,150,502	$	5,564,481

(1)The Company also had $2.1 million and $1.7 million of cash pledged under repurchase agreements as of March 31, 2024 and December 31, 2023, respectively.

(2)Under the terms of the Company’s financing agreements, the Company's financing counterparties may, in certain cases, sell or re-hypothecate the pledged collateral.

(3)Amounts pledged as collateral under Securitized residential mortgage loans include certain of the Company's retained interests in securitizations. Refer to Note 3 for more information on the Non-Agency VIEs and RPL/NPL VIEs.

(4)As of March 31, 2024, the weighted average stated rate on the financing arrangements on the Company's Securitized non-agency loans was 7.91%.

(5)The Company's Residential mortgage loan financing arrangements include a maximum uncommitted borrowing capacity of $1.8 billion on facilities used to finance Non-Agency and Agency-Eligible Loans.

(6)As of March 31, 2024, the weighted average stated rate on the financing arrangements on the Company's Legacy WMC Commercial Loans was 8.08%.

(7)The holders of the securitized debt have no recourse to the general credit of the Company. The Company has no obligation to provide any other explicit or implicit support to the Non-Agency VIEs and RPL/NPL VIEs.

(8)As of March 31, 2024, the amortized cost of Securitized debt in the Company's Non-Agency VIEs was $5.2 billion.

(9)The current face on the Company's Securitized debt in the Company's Non-Agency VIEs excludes Interest Only classes which have no principal balances and bear interest based on a notional value. The notional value is used solely to determine interest distributions on the interest only classes of securities. As of March 31, 2024, the notional value of interest only classes of Securitized debt was $131.3 million.

(10)As of March 31, 2024, the amortized cost of Securitized debt in the Company's RPL/NPL VIEs was $119.8 million.

Legacy WMC Convertible Notes

In connection with the WMC acquisition, the Merger Sub assumed, and the Company guaranteed, $86.25 million aggregate principal of Legacy WMC Convertible Notes. The Legacy WMC Convertible Notes have an interest rate of 6.75% and interest is paid semiannually. The Legacy WMC Convertible Notes are convertible into, at the Company's election, cash, shares of the Company's common stock or a combination of both, subject to the satisfaction of certain conditions and during specified periods. The conversion rate is subject to further adjustment upon the occurrence of certain specified events and the holders may require the Company to repurchase all or any portion of their notes for cash equal to 100% of the principal amount of the Legacy WMC Convertible Notes, plus accrued and unpaid interest, if the Company undergoes a fundamental change as specified in the supplemental indenture for the Legacy WMC Convertible Notes. Immediately prior to the Effective Time of the

27

AG Mortgage Investment Trust Inc. and Subsidiaries

Notes to Consolidated Financial Statements (Unaudited)

March 31, 2024

WMC acquisition, holders of the Legacy WMC Convertible Notes had the right to convert each $1,000 principal amount into 33.7952 shares of WMC common stock. As a result of the WMC acquisition, and pursuant to the terms of the Legacy WMC Convertible Notes, the conversion rate was amended whereby each holder now has to the right to convert each $1,000 principal amount of Legacy WMC Convertible Notes into 50.6252 shares of common stock, representing a total conversion price of $19.75 per share. The total conversion price consists of common stock of $19.13 per share and cash of $0.62 per share. The Legacy WMC Convertible Notes can be redeemed at the Company's option on or after June 15, 2024, and mature on September 15, 2024, unless earlier converted, redeemed or repurchased by the holders pursuant to their terms. For the three months ended March 31, 2024, total interest expense on the Legacy WMC Convertible Notes was $1.7 million, which included coupon interest expense of $1.4 million and amortization expense of $0.3 million.

During the three months ended March 31, 2024, the Company repurchased $7.1 million of principal amount of its outstanding Legacy WMC Convertible Notes.

Senior Unsecured Notes

On January 26, 2024, the Company issued $34.5 million principal amount of its 9.500% Senior Notes due 2029 in a public offering for net proceeds of approximately $32.8 million. The Senior Unsecured Notes were issued at 100% of the principal amount, bear interest at a rate equal to 9.500% per year, payable in cash quarterly in arrears on February 15, May 15, August 15 and November 15 of each year, beginning on May 15, 2024, and mature February 15, 2029, unless redeemed earlier. The Company may redeem the Senior Unsecured Notes in whole or in part at any time or from time to time at the Company’s option on or after February 15, 2026, upon not less than 30 days written notice to holders prior to the redemption date, at a redemption price equal to 100% of the outstanding principal amount of the Senior Unsecured Notes to be redeemed plus accrued and unpaid interest to, but excluding, the redemption date. For the three months ended March 31, 2024, total interest expense on the Senior Unsecured Notes was $0.6 million, which includes coupon interest expense of $0.6 million and amortization expense of $47 thousand.

Contractual maturities

The following table allocates the current face of the Company's borrowings under financing arrangements, the Legacy WMC Convertible Notes, and Senior Unsecured Notes as of March 31, 2024 by contractual maturity (in thousands). Securitized debt is excluded from the below table as it does not have a contractual maturity.

	Within 30 Days		Over 30 Days to 3 Months		Over 3 Months to 12 Months		Over 12 Months		Total
Financing Arrangements by Asset Type
Securitized Residential Mortgage Loans
Non-Agency Loans	$	213,496	$	41,836	$	—	$	57,621	$	312,953
Re- and Non-Performing Loans	43,628		—		—		—		43,628
Residential Mortgage Loans
Non-Agency Loans	—		2,464		74,727		—		77,191
Agency-Eligible Loans	—		—		94,819		—		94,819
Legacy WMC Commercial Loans	—		—		47,222		—		47,222
Non-Agency RMBS	20,060		16,355		—		—		36,415
Legacy WMC CMBS	21,348		—		—		—		21,348
Agency RMBS	98,371		—		—		—		98,371
Total Financing Arrangements	$	396,903	$	60,655	$	216,768	$	57,621	$	731,947
Legacy WMC Convertible Notes	$	—	$	—	$	79,120	$	—	$	79,120
Senior Unsecured Notes	—		—		—		34,500		34,500

28

AG Mortgage Investment Trust Inc. and Subsidiaries

Notes to Consolidated Financial Statements (Unaudited)

March 31, 2024

Counterparties

The Company had outstanding financing arrangements with six and seven counterparties as of March 31, 2024 and December 31, 2023, respectively.

The following table presents information as of March 31, 2024 and December 31, 2023 with respect to each counterparty that provides the Company with financing for which the Company had greater than 5% of its stockholders’ equity at risk, excluding stockholders’ equity at risk under financing through affiliated entities ($ in thousands).

	March 31, 2024					December 31, 2023
Counterparty	Stockholders' Equity at Risk		Weighted Average Maturity (days)	Percentage of Stockholders' Equity		Stockholders' Equity at Risk		Weighted Average Maturity (days)	Percentage of Stockholders' Equity
BofA Securities, Inc.	$	130,896	118	24.3	%	$	131,128	236	24.8	%
Barclays Capital Inc.	81,783		83	15.2	%	81,047		85	15.3	%
Goldman Sachs Bank USA	80,089		9	14.8	%	73,893		9	14.0	%
JP Morgan Securities, LLC	43,078		62	8.0	%	46,642		134	8.8	%
Various (1)	72,040		486	13.4	%	69,637		577	13.2	%

(1)Certain retained interests in securitizations are held in WMC RR 2023-1 Trust, a wholly owned subsidiary of the Company. WMC RR 2023-1 Trust issued certificates which were sold to various third-party investors.

Financial Covenants

The Company’s financing arrangements generally include customary representations, warranties, and covenants, but may also contain more restrictive supplemental terms and conditions. Although specific to each financing arrangement, typical supplemental terms include requirements of minimum equity and liquidity, leverage ratios, and performance triggers. In addition, some of the financing arrangements contain cross default features, whereby default under an agreement with one lender simultaneously causes default under agreements with other lenders. To the extent that the Company fails to comply with the covenants contained in these financing arrangements or is otherwise found to be in default under the terms of such agreements, the counterparty has the right to accelerate amounts due under the associated agreement. Financings pursuant to financing arrangements are generally recourse to the Company. As of March 31, 2024, the Company is in compliance with all of its financial covenants.

7. Other assets and liabilities

The following table details certain information related to the Company's "Other assets" and "Other liabilities" line items on its consolidated balance sheets as of March 31, 2024 and December 31, 2023 (in thousands).

	March 31, 2024		December 31, 2023
Other assets
Interest receivable	$	31,436	$	30,315
Real estate owned	5,428		5,644
Derivative assets, at fair value	739		1,321
Other assets	2,980		3,187
Due from broker	912		249
Total Other assets	$	41,495	$	40,716
Other liabilities
Due to affiliates (1)	$	3,724	$	3,252
Interest payable	22,398		23,715
Derivative liabilities, at fair value	314		70
Accrued expenses	3,011		4,874
Due to broker	72		196
Total Other liabilities	$	29,519	$	32,107

(1)Refer to Note 10 for more information.

29

AG Mortgage Investment Trust Inc. and Subsidiaries

Notes to Consolidated Financial Statements (Unaudited)

March 31, 2024

Derivatives

The following table presents information related to the Company's derivatives and other instruments and their balance sheet location as of March 31, 2024 and December 31, 2023 (in thousands). All notional amounts are denominated in USD.

		March 31, 2024				December 31, 2023
Derivatives and Other Instruments (1)	Balance Sheet  Location	Notional		Fair Value		Notional		Fair Value
Pay Fix/Receive Float Interest Rate Swap Agreements (2) (3)	Other assets	$	377,250	$	267	$	165,000	$	149
Pay Fix/Receive Float Interest Rate Swap Agreements (2) (3)	Other liabilities	77,000		—		338,000		—
Short TBAs	Other liabilities	32,000		(155)		9,000		(63)
Forward Purchase Commitments	Other assets	79,152		472		70,145		1,172
Forward Purchase Commitments	Other liabilities	28,032		(159)		2,566		(7)

(1)As of March 31, 2024 and December 31, 2023, no derivatives held by the Company were designated as hedges for accounting purposes.

(2)As of March 31, 2024, the Company applied a reduction in fair value of $10.1 million and $1.0 million to its interest rate swap assets and liabilities, respectively, related to variation margin with a corresponding increase or decrease in restricted cash. As of December 31, 2023, the Company applied a reduction in fair value of $9.3 million and $7.7 million to its interest rate swap assets and liabilities, respectively, related to variation margin with a corresponding increase or decrease in restricted cash.

(3)As of March 31, 2024, the Company's pay fix/receive float interest rate swaps had a weighted average pay-fixed rate of 3.74%, a weighted average receive-variable rate of 5.34%, and a weighted average years to maturity of 4.95 years. As of December 31, 2023, the Company's pay fix/receive float interest rate swaps had a weighted average pay-fixed rate of 3.65%, a weighted average receive-variable rate of 5.38%, and a weighted average years to maturity of 4.01 years.

Derivative and other instruments eligible for offset are presented gross on the consolidated balance sheets as of March 31, 2024 and December 31, 2023, if applicable. The Company has not offset or netted any derivatives or other instruments with any financial instruments or cash collateral posted or received.

The Company must post cash or securities as collateral on its derivative instruments when their fair value declines. This typically occurs when prevailing market rates change adversely, with the severity of the change also dependent on the term of the derivatives involved. The posting of collateral is generally bilateral, meaning that if the fair value of the Company’s derivatives increases, its counterparty must post collateral. As of March 31, 2024, the Company's restricted cash balance included $14.2 million of collateral related to certain derivatives, of which $5.1 million represents cash collateral posted by the Company and $9.1 million represents amounts related to variation margin. As of December 31, 2023, the Company's restricted cash balance included $12.3 million of collateral related to certain derivatives, of which $10.7 million represents cash collateral posted by the Company and $1.6 million represents amounts related to variation margin.

30

AG Mortgage Investment Trust Inc. and Subsidiaries

Notes to Consolidated Financial Statements (Unaudited)

March 31, 2024

The following table summarizes total income related to derivatives and other instruments for the three months ended March 31, 2024 and 2023 (in thousands).

	Three Months Ended
	March 31, 2024		March 31, 2023
Included within Net interest component of interest rate swaps
Interest Rate Swaps	$	1,900	$	1,020
Included within Net unrealized gain/(loss)
Interest Rate Swaps	10,313		(21,386)
Long TBAs	—		5
Short TBAs	(92)		(899)
Forward Purchase Commitments	(852)		2,311
	9,369		(19,969)
Included within Net realized gain/(loss)
Interest Rate Swaps	(3,141)		9,823
Short TBAs	10		179
Forward Purchase Commitments	1,132		—
	(1,999)		10,002
Total income/(loss)	$	9,270	$	(8,947)

Derivative Activity

The following tables present information about the Company’s derivatives for the three months ended March 31, 2024 and 2023 (in thousands).

	Beginning Notional Amount		Buys or Covers		Sales or Shorts(1)		Ending Notional Amount		Derivative Asset		Derivative Liability
Three Months Ended March 31, 2024
Short TBAs (2)	$	(9,000)	$	34,000	$	(57,000)	$	(32,000)	$	—	$	(155)
Interest Rate Swaps	503,000		219,750		(268,500)		454,250		267		—
Three Months Ended March 31, 2023
Long TBAs	$	—	$	10,000	$	(10,000)	$	—	$	8	$	(3)
Short TBAs (2)	(40,000)		100,000		(60,000)		—		2		(251)
Interest Rate Swaps	335,000		342,000		(209,000)		468,000		—		(280)

(1)The sales or shorts includes $60.0 million of swaps that matured during the three months ended March 31, 2024.

(2)As of March 31, 2024, the Company recorded a receivable from broker of $32.5 million and a fair value of $32.7 million related to its short TBAs. As of March 31, 2023, the Company recorded a payable to broker of $0.3 million related to its short TBAs.

31

AG Mortgage Investment Trust Inc. and Subsidiaries

Notes to Consolidated Financial Statements (Unaudited)

March 31, 2024

8. Earnings per share

The following table presents a reconciliation of the earnings and shares used in calculating basic and diluted earnings per share for the three months ended March 31, 2024 and 2023 (in thousands, except per share data).

	Three Months Ended
	March 31, 2024		March 31, 2023
Numerator:
Net Income/(Loss)	$	20,890	$	12,540
Dividends on preferred stock	(4,586)		(4,586)
Net Income/(Loss) Available to Common Stockholders	$	16,304	$	7,954
Denominator:
Basic weighted average common shares outstanding	29,453		21,066
Diluted weighted average common shares outstanding	29,479		21,066
Earnings/(Loss) Per Share
Basic	$	0.55	$	0.38
Diluted	$	0.55	$	0.38

For the three months ended March 31, 2024, the Company excluded the potential effects of the Legacy WMC Convertible Notes from the computation of diluted earnings per share because the market value per share of the Company's common stock was below the conversion price of the Legacy WMC Convertible Notes.

Dividends

The following tables detail the Company's common stock dividends declared during the three months ended March 31, 2024 and 2023.

Three Months Ended March 31, 2024					Three Months Ended March 31, 2023
Declaration Date	Record Date	Payment Date	Cash Dividend Per Share		Declaration Date	Record Date	Payment Date	Cash Dividend Per Share
3/15/2024	3/29/2024	4/30/2024	$	0.18	3/15/2023	3/31/2023	4/28/2023	$	0.18

The following tables detail the Company's preferred stock dividends declared and paid during the three months ended March 31, 2024 and 2023.

2024			Cash Dividend Per Share
Declaration Date	Record Date	Payment Date	8.25% Series A		8.00% Series B		8.000% Series C
2/16/2024	2/29/2024	3/18/2024	$	0.51563	$	0.50	$	0.50
2023			Cash Dividend Per Share
Declaration Date	Record Date	Payment Date	8.25% Series A		8.00% Series B		8.000% Series C
2/16/2023	2/28/2023	3/17/2023	$	0.51563	$	0.50	$	0.50

32

AG Mortgage Investment Trust Inc. and Subsidiaries

Notes to Consolidated Financial Statements (Unaudited)

March 31, 2024

9. Income taxes

The Company conducts its operations to qualify and be taxed as a REIT. As a REIT, the Company is not subject to federal income tax to the extent that it makes qualifying distributions to its stockholders, and provided it satisfies on a continuing basis, through actual investment and operating results, the REIT requirements including certain asset, income, distribution, and stock ownership tests. The state and local tax jurisdictions for which the Company is subject to tax-filing obligations recognize the Company’s status as a REIT, and therefore, the Company generally does not pay income tax in such jurisdictions. The Company may, however, be subject to certain minimum state and local tax filing fees as well as certain excise, franchise, or business taxes.

On December 6, 2023, the Company acquired WMC, an externally managed mortgage REIT. Refer to "WMC Acquisition" in Note 1 for additional information related to the Merger. The Merger is intended to qualify as a reorganization within the meaning of Section 368(a) of the Internal Revenue Code.

Excise Tax

Excise tax represents a non-deductible 4% tax on the required amount of the Company’s ordinary income and net capital gains not distributed during the year. The expense is calculated in accordance with applicable tax regulations. For the three months ended March 31, 2024 and 2023, the Company did not record any excise tax.

REIT Net Operating Loss and Net Capital Loss Carryforwards

As of March 31, 2024 and December 31, 2023, the Company had federal net operating loss ("NOL") carryforwards of $2.1 million and $2.1 million, respectively, that can be used to offset future taxable ordinary income and reduce its REIT distribution requirements. These NOL carryforwards (which exclude NOLs acquired from WMC) do not have an expiration date and can be carried forward indefinitely. In connection with the Merger, the Company obtained NOL carryforwards of $321.6 million, of which $223.8 million do not have an expiration date and can be carried forward indefinitely. However, the Company’s use of these obtained NOLs is limited under Section 382 of the Internal Revenue Code.

As of March 31, 2024 and December 31, 2023, the Company had estimated net capital loss ("NCL") carryforwards of $300.0 million and $293.7 million, respectively, the majority of which were generated during the year ended December 31, 2020 and will expire in 2025. These NCL carryforwards (which exclude the NCLs acquired from WMC) can be utilized to offset future net gains from the sale of capital assets. In connection with the Merger, the Company obtained NCL carryforwards of $143.1 million, of which a majority expire between 2027 and 2028. However, the Company’s use of these obtained NCLs is limited under Sections 382 and 383 of the Internal Revenue Code.

33

AG Mortgage Investment Trust Inc. and Subsidiaries

Notes to Consolidated Financial Statements (Unaudited)

March 31, 2024

Taxable REIT Subsidiaries

The Company elected to treat certain domestic subsidiaries as taxable REIT subsidiaries ("TRSs"). The Company’s financial results are generally not expected to reflect provisions for current or deferred income taxes, except for any activities conducted through one or more TRSs that are subject to corporate income taxation. Currently, the Company has wholly owned domestic TRSs that are taxable as corporations and subject to U.S. federal, state, and local income tax on net income at the applicable corporate rates. The federal statutory rate for the three months ended March 31, 2024 and 2023 was 21%. The Company’s effective tax rate differs from its combined U.S. federal, state, and local corporate statutory tax rate primarily due to income earned at the REIT, which is not subject to tax, due to the deduction for qualifying distributions made by the Company, and any change in the valuation allowance as disclosed in further detail below. The tax expense attributable to its TRSs is recorded in the "Non-investment related expenses" line item on the consolidated statement of operations. The below table details the tax expense attributable to its TRSs for the three months ended March 31, 2024 and 2023 (in thousands).

	Three Months Ended
	March 31, 2024		March 31, 2023
Income tax expense	$	25	$	225

Deferred income taxes reflect the net tax effects of temporary differences between the carrying amount of assets and liabilities for financial reporting and tax reporting purposes at the TRS level. As of March 31, 2024 and December 31, 2023, the Company recorded a deferred tax asset of approximately $38.9 million and $37.3 million, respectively, relating to net operating loss carryforwards, capital loss carryforwards, and basis differences of certain investments held within TRSs. In assessing the realizability of deferred tax assets, the Company considers whether it is more likely than not that some portion or all of the deferred tax assets will not be realized. The ultimate realization of deferred tax assets is dependent upon the generation of future taxable income during periods in which temporary differences become deductible. The Company concluded it is more likely than not the deferred tax asset will not be realized and established a full valuation allowance as of March 31, 2024 and December 31, 2023.

Uncertain Income Tax Positions

Based on its analysis of any potential uncertain income tax positions, the Company concluded it did not have any uncertain tax positions that meet the recognition or measurement criteria of ASC 740 as of March 31, 2024 and December 31, 2023. The Company’s federal income tax returns for the last three tax years are open to examination by the Internal Revenue Service. There are no ongoing U.S. federal, state or local tax examinations related to the Company. In the event that the Company incurs income tax related interest and penalties, its policy is to classify them as a component of provision for income taxes. The Company did not incur any interest or penalties during the three months ended March 31, 2024 and 2023.

10. Related party transactions

Manager

The Company has entered into a management agreement with the Manager, which provided for an initial term and will be deemed renewed automatically each year for an additional one-year period, subject to certain termination rights. The Company is externally managed and advised by the Manager. Pursuant to the terms of the management agreement, which became effective July 6, 2011 (upon the consummation of the Company’s initial public offering (the "IPO")), the Manager provides the Company with its management team, including its officers, along with appropriate support personnel. Each of the Company’s officers is an employee of TPG Angelo Gordon. The Company does not have any employees. The Manager has delegated to TPG Angelo Gordon the overall responsibility of its day-to-day duties and obligations arising under the Company’s management agreement. Below is a description of the fees and reimbursements provided in the management agreement.

On November 1, 2023, TPG completed the previously announced acquisition of TPG Angelo Gordon (the "TPG Transaction"), pursuant to which TPG Angelo Gordon, including the Manager, became indirect subsidiaries of TPG. Pursuant to the management agreement with the Manager, the closing of the TPG Transaction resulted in an assignment of the management agreement. The independent directors of the Company's Board of Directors unanimously consented to such assignment on July 31, 2023 in advance of the TPG Transaction closing. There were no changes to the management agreement in connection with

34

AG Mortgage Investment Trust Inc. and Subsidiaries

Notes to Consolidated Financial Statements (Unaudited)

March 31, 2024

the TPG Transaction and the assignment of the management agreement became effective upon the closing of the TPG Transaction.

In connection with the Merger with WMC, which was completed on December 6, 2023, and contemporaneously with the execution of the Merger Agreement, on August 8, 2023, the Company and the Manager entered into the MITT Management Agreement Amendment, pursuant to which (i) the Manager’s base management fee will be reduced by $0.6 million for the first four quarters following the Effective Time, beginning with the fiscal quarter in which the Effective Time occurs (i.e., resulting in an aggregate $2.4 million waiver of base management fees), and (ii) the Manager will waive its right to seek reimbursement from the Company for any expenses otherwise reimbursable by the Company under the management agreement in an amount equal to approximately $1.3 million, which is the excess of $7.0 million over the aggregate Per Share Additional Manager Consideration paid by the Manager to the holders of WMC Common Stock under the Merger Agreement. The MITT Management Agreement Amendment became effective automatically upon the closing of the Merger.

Management fee

The Manager is entitled to a management fee equal to 1.50% per annum, calculated and paid quarterly, of the Company’s Stockholders’ Equity. For purposes of calculating the management fee, "Stockholders’ Equity" means the sum of the net proceeds from any issuances of equity securities (including preferred securities) since inception (allocated on a pro rata daily basis for such issuances during the fiscal quarter of any such issuance, and excluding any future equity issuance to the Manager), plus the Company’s retained earnings at the end of such quarter (without taking into account any non-cash equity compensation expense or other non-cash items incurred in current or prior periods), less any amount that the Company pays for repurchases of its common stock, excluding any unrealized gains, losses or other non-cash items that have impacted stockholders’ equity as reported in the Company’s financial statements prepared in accordance with GAAP, regardless of whether such items are included in other comprehensive income or loss, or in net income, and excluding one-time events pursuant to changes in GAAP, and certain other non-cash charges after discussions between the Manager and the Company’s independent directors and after approval by a majority of the Company’s independent directors. Stockholders’ Equity, for purposes of calculating the management fee, could be greater or less than the amount of stockholders’ equity shown on the Company’s financial statements.

The below table details the management fees incurred during the three months ended March 31, 2024 and 2023 (in thousands).

	Three Months Ended
Consolidated statements of operations line item:	March 31, 2024		March 31, 2023
Management fee to affiliate (1)	$	1,741	$	2,075

(1)For the three months ended March 31, 2024, the Manager agreed to waive its right to receive management fees of $0.6 million pursuant to the MITT Management Agreement Amendment executed in connection with the Merger.

As of March 31, 2024 and December 31, 2023, the Company recorded management fees payable of $1.7 million and $1.5 million, respectively. The management fee payable is included within the "Due to affiliates" item within the "Other liabilities" line item on the consolidated balance sheets.

Incentive fee

The Manager is entitled to an annual incentive fee with respect to each applicable fiscal year, which will be equal to 15% of the amount by which the Company's cumulative adjusted net income from November 22, 2021 exceeds the cumulative hurdle amount, which represents an 8% return (cumulative, but not compounding) on an equity hurdle base consisting of the sum of (i) $341.5 million and (ii) the gross proceeds of any subsequent public or private common stock offerings by the Company. The annual incentive fee will be payable in cash, or, at the option of the Company's Board of Directors, shares of common stock or a combination of cash and shares.

During the three months ended March 31, 2024 and 2023, the Company did not incur any incentive fee expense.

35

AG Mortgage Investment Trust Inc. and Subsidiaries

Notes to Consolidated Financial Statements (Unaudited)

March 31, 2024

Termination fee

Upon the occurrence of (i) the Company’s termination of the management agreement without cause or (ii) the Manager’s termination of the management agreement upon a breach by the Company of any material term of the management agreement, the Manager will be entitled to a termination fee equal to three times the average annual management fee during the 24-month period prior to such termination, calculated as of the end of the most recently completed fiscal quarter. As of March 31, 2024 and December 31, 2023, no event of termination of the management agreement had occurred.

Expense reimbursement

The Company is required to reimburse the Manager or its affiliates for operating expenses which are incurred by the Manager or its affiliates on behalf of the Company, including expenses relating to legal, accounting, due diligence, and other services. The Company’s reimbursement obligation is not subject to any dollar limitation; however, the reimbursement is subject to an annual budget process which combines guidelines from the management agreement with oversight by the Company’s Board of Directors.

The Company reimburses the Manager or its affiliates for the Company’s allocable share of the compensation, including, without limitation, annual base salary, bonus, any related withholding taxes, and employee benefits paid to (i) the Company’s chief financial officer based on the percentage of time spent on Company affairs, (ii) the Company’s general counsel based on the percentage of time spent on the Company’s affairs, and (iii) other corporate finance, tax, accounting, internal audit, legal, risk management, operations, compliance, and other non-investment personnel of the Manager and its affiliates who spend all or a portion of their time managing the Company’s affairs based upon the percentage of time devoted by such personnel to the Company’s affairs. In their capacities as officers or personnel of the Manager or its affiliates, they devote such portion of their time to the Company’s affairs as is necessary to enable the Company to operate its business.

The below table details the expense reimbursement incurred during the three months ended March 31, 2024 and 2023 (in thousands).

	Three Months Ended
Consolidated statements of operations line item:	March 31, 2024		March 31, 2023
Non-investment related expenses (1)	$	1,664	$	1,400
Investment related expenses	114		102
Transaction related expenses	68		63
Expense reimbursements to Manager or its affiliates	$	1,846	$	1,565

(1)For the three months ended March 31, 2024, the Manager agreed to waive its right to receive expense reimbursements of $0.3 million pursuant to the MITT Management Agreement Amendment executed in connection with the Merger.

As of March 31, 2024 and December 31, 2023, the Company recorded a reimbursement payable to the Manager or its affiliates of $1.8 million and $1.5 million, respectively. The reimbursement payable to the Manager or its affiliates is included within the "Due to affiliates" line item within the "Other liabilities" line item on the consolidated balance sheets.

Restricted stock grants

Equity Incentive Plans

Effective on April 15, 2020 upon the approval of the Company's stockholders at its 2020 annual meeting of stockholders, the 2020 Equity Incentive Plan provides for a maximum of 666,666 shares of common stock to be issued. The maximum number of shares of common stock granted during a single fiscal year to any non-employee director, taken together with any cash fees paid to such non-employee director during any fiscal year, shall not exceed $300,000 in total value (calculating the value of any such awards based on the grant date fair value). As of March 31, 2024, 448,397 shares of common stock were available to be awarded under the 2020 Equity Incentive Plan.

Since inception of the 2020 Equity Incentive Plan and through March 31, 2024, the Company has granted an aggregate of 192,101 shares of restricted common stock to its independent directors under its 2020 Equity Incentive Plan, all of which have vested.

36

AG Mortgage Investment Trust Inc. and Subsidiaries

Notes to Consolidated Financial Statements (Unaudited)

March 31, 2024

On December 6, 2023, in connection with the WMC acquisition, the Company granted an aggregate 25,962 restricted stock units to the Company's two independent directors added to the Company's Board of Directors who previously served on WMC's board of directors. Through March 31, 2024, the two independent directors have also been granted an aggregate of 206 dividend equivalent units. These restricted stock units and associated dividend equivalent units will vest in full on June 23, 2024, and will be settled in shares of the Company's common stock upon each of the independent director's separation from service with the Company.

Manager Equity Incentive Plans

Following approval of the Company's stockholders at its 2021 annual meeting of stockholders, the AG Mortgage Investment Trust, Inc. 2021 Manager Equity Incentive Plan (the "2021 Manager Plan") became effective on April 7, 2021 and provides for a maximum of 573,425 shares of common stock that may be subject to awards thereunder to the Manager. As of March 31, 2024, there were no shares or awards issued under the 2021 Manager Plan. Following the execution of the Third Amendment to the management agreement in November 2021 related to the incentive fee, the Company's compensation committee no longer expects to continue its historical practice of making periodic equity grants to the Manager pursuant to the 2021 Manager Equity Incentive Plan.

Director compensation

As of March 31, 2024, the Company's Board of Directors consisted of six independent directors. The annual base director's fee for each independent director is $150,000, $70,000 of which is payable on a quarterly basis in cash and $80,000 of which is payable on a quarterly basis in shares of restricted common stock. The number of shares of restricted common stock to be issued each quarter to each independent director is determined based on the average of the high and low prices of the Company’s common stock on the New York Stock Exchange on the last trading day of each fiscal quarter. To the extent that any fractional shares would otherwise be issuable and payable to each independent director, a cash payment is made to each independent director in lieu of any fractional shares. All directors’ fees are paid pro rata (and restricted common stock grants determined) on a quarterly basis in arrears, and shares issued are fully vested and non-forfeitable. These shares may not be sold or transferred by such director during the time of their service as an independent member of the Company’s Board of Directors.

In addition to the annual base director's fee, the non-executive chair of the Board receives an annual fee of $60,000, of which $30,000 is payable in cash and $30,000 is payable in shares of restricted common stock, the chair of the Audit Committee receives an annual fee of $25,000, and the chairs of the Compensation and Nominating and Corporate Governance Committees each receive an annual fee of $10,000.

Investments in debt and equity of affiliates

The Company invests in credit sensitive residential assets through affiliated entities which hold an ownership interest in the assets. The Company is one investor, amongst other investors managed by affiliates of TPG Angelo Gordon, in such entities and has applied the equity method of accounting for such investments.

Arc Home

On December 9, 2015, the Company, alongside private funds managed by TPG Angelo Gordon, through AG Arc LLC, one of the Company’s indirect affiliates ("AG Arc"), formed Arc Home. The Company has an approximate 44.6% interest in AG Arc. Arc Home originates residential mortgage loans and retains the mortgage servicing rights associated with certain loans it originates. Arc Home is led by an external management team. The Company has chosen to make a fair value election with respect to its investment in AG Arc pursuant to ASC 825. The Company elected to treat its investment in AG Arc as a taxable REIT subsidiary.

MATH

On August 29, 2017, the Company, alongside private funds managed by TPG Angelo Gordon, formed MATH to conduct a residential mortgage investment strategy. MATH in turn sponsored the formation of Mortgage Acquisition Trust I LLC ("MATT") to purchase predominantly Non-QM Loans. MATT made an election to be treated as a REIT beginning with the 2018 tax year. The Company has an approximate 47.0% interest in MATH. Refer to the "MATH Transaction" section below for additional details on the Company's increase in ownership interest during 2023. MATH, through its wholly owned subsidiary MATT, only holds risk-retention tranches from past securitizations which continue to pay down and the Company does not

37

AG Mortgage Investment Trust Inc. and Subsidiaries

Notes to Consolidated Financial Statements (Unaudited)

March 31, 2024

expect MATT to acquire additional investments.

LOTS

On May 15, 2019 and November 14, 2019, the Company, alongside private funds managed by TPG Angelo Gordon, formed LOT SP I LLC and LOT SP II LLC, respectively, (collectively, "LOTS"). The Company has an approximate 47.5% and 50.0% interest in LOT SP I LLC and LOT SP II LLC, respectively. LOTS were formed to originate first mortgage loans to third-party land developers and home builders for the acquisition and horizontal development of land ("Land Related Financing"). During the year ended December 31, 2023, the Land Related Financing assets held within LOTS paid off in full.

Summary of investments in debt and equity of affiliates and related earnings

The below table summarizes the components of the "Investments in debt and equity of affiliates" line item on the Company's consolidated balance sheets as of March 31, 2024 and December 31, 2023 (in thousands).

	March 31, 2024						December 31, 2023
	Assets		Liabilities		Equity		Assets		Liabilities		Equity
Non-QM Securities (1)	$	16,523	$	—	$	16,523	$	15,257	$	—	$	15,257
Re/Non-Performing Securities	7,337		(3,583)		3,754		7,569		(3,605)		3,964
Total Residential Investments	23,860		(3,583)		20,277		22,826		(3,605)		19,221
AG Arc, at fair value	33,190		—		33,190		33,574		—		33,574
Cash and Other assets/(liabilities)	1,431		(56)		1,375		2,361		(53)		2,308
Investments in debt and equity of affiliates	$	58,481	$	(3,639)	$	54,842	$	58,761	$	(3,658)	$	55,103

(1)MATH, through its wholly owned subsidiary MATT, only holds risk-retention tranches from past securitizations which continue to pay down and the Company does not expect MATT to acquire additional investments.

The below table reconciles the net income/(loss) to the "Equity in earnings/(loss) from affiliates" line item on the Company's consolidated statements of operations for the three months ended March 31, 2024 and 2023 (in thousands).

	Three Months Ended
	March 31, 2024		March 31, 2023
Non-QM Securities	$	2,205	$	1,625
Land Related Financing	—		339
Re/Non-Performing Securities	105		192
AG Arc (1)	(273)		(2,140)
Equity in earnings/(loss) from affiliates	$	2,037	$	16

(1)Earnings/(loss) recognized by AG Arc do not include the Company's portion of gains or losses recorded by Arc Home in connection with the sale of residential mortgage loans to the Company. Refer to "Transactions with Arc Home" below for more information on this accounting policy.

Transactions with affiliates

Transactions with Red Creek Asset Management LLC

In connection with the Company’s investments in residential mortgage loans, the Company engages asset managers to provide advisory, consultation, asset management, and other services. The Company engaged Red Creek Asset Management LLC (the "Asset Manager"), a related party of the Manager and direct subsidiary of TPG Angelo Gordon, as the asset manager for certain of its residential mortgage loans. The Company pays the Asset Manager asset management fees which are assessed periodically

38

AG Mortgage Investment Trust Inc. and Subsidiaries

Notes to Consolidated Financial Statements (Unaudited)

March 31, 2024

by a third-party valuation firm. The below details the fees paid by the Company to the Asset Manager during the three months ended March 31, 2024 and 2023 (in thousands).

	Three Months Ended
	March 31, 2024		March 31, 2023
Fees paid to Asset Manager	$	658	$	683

As of March 31, 2024 and December 31, 2023, the Company recorded asset management fees payable of $0.2 million and $0.2 million, respectively. Asset management fees payable are included within the "Due to affiliates" line item within the "Other liabilities" line item on the consolidated balance sheets.

Transactions with Arc Home

Arc Home may sell loans to the Company, third-parties, or affiliates of the Manager. The below table details the unpaid principal balance of Non-Agency Loans and Agency-Eligible Loans sold to the Company and private funds under the management of TPG Angelo Gordon during the three months ended March 31, 2024 and 2023 (in thousands).

	Three Months Ended
	March 31, 2024		March 31, 2023
Residential mortgage loans sold by Arc Home to the Company	$	79,791	$	—
Residential mortgage loans sold by Arc Home to private funds under the management of TPG Angelo Gordon	156,401		90,584

In connection with the sale of loans from Arc Home to the Company, the Company eliminates any intra-entity profits or losses typically recognized through the "Equity in earnings/(loss) from affiliates" line item on the Company's consolidated statement of operations and adjusts the cost basis of the underlying loans resulting in unrealized gains or losses on the underlying loans. The table below summarizes intra-entity profits eliminated during the three months ended March 31, 2024 and 2023 (in thousands).

	Three Months Ended
	March 31, 2024		March 31, 2023
Intra-Entity Profits Eliminated	$	201	$	—

The Company enters into forward purchase commitments with Arc Home whereby the Company commits to purchase residential mortgage loans from Arc Home at a particular price on a best-efforts basis. Actual loan purchases are contingent upon successful loan closings. These commitments to purchase mortgage loans are classified as derivatives. From time to time, the Company may determine that certain loans it has previously committed to purchase will be sold to third parties and, as a result, the derivative will be settled on a net basis with Arc Home. See Note 7 and Note 12 for more detail.

39

AG Mortgage Investment Trust Inc. and Subsidiaries

Notes to Consolidated Financial Statements (Unaudited)

March 31, 2024

Transactions under the Company's Affiliated Transaction Policy

The below table details transactions where the Company purchased or sold assets from or to an affiliate of the Manager ($ in millions). The transactions were executed in accordance with the Company's Affiliated Transaction Policy. There were no purchases or sales of assets from or to an affiliate of the Manager during three months ended March 31, 2024. Refer to the "Transactions with Arc Home" section above for additional information related to transactions with Arc Home, which are excluded from the table below.

Date	Transaction	Fair Value (1)		Pricing Methodology
June 2023	Purchase of Real Estate Securities	$	0.3	Competitive bidding process (2)
November 2023	Purchase of Real Estate Securities (4)	4.8		Third party pricing vendors (3)
November 2023	Purchase of MATH (4)	0.9		Third party pricing vendors (3)

(1)As of the transaction date.

(2)The Company submitted an offer to purchase the securities from an affiliate in a competitive bidding process, which allowed the Company to confirm third-party market pricing and best execution.

(3)Pricing was based on valuations prepared by third-party pricing vendors in accordance with the Company's policy.

(4)Refer to the "MATH Transaction" below.

MATH Transaction

In November 2023, the Company's 44.6% allocation of certain bonds retained from past securitizations and held through its investment in MATH was transferred directly to the Company and the Company purchased an additional 13.1% of these bonds from other funds managed by TPG Angelo Gordon who were invested in MATH alongside the Company. These bonds are currently recorded in the Company's "Real estate securities, at fair value" line item on the consolidated balance sheets. Additionally, the Company purchased an additional interest in MATH from other funds managed by TPG Angelo Gordon, increasing its ownership interest in MATH from 44.6% to 47.0%. Subsequent to this transaction, MATH, through its wholly owned subsidiary MATT, only holds risk-retention tranches from past securitizations which continue to pay down and the Company does not expect MATT to acquire additional investments.

11. Equity

Stock repurchase programs

On August 3, 2022, the Company's Board of Directors authorized a stock repurchase program (the "2022 Repurchase Program") to repurchase up to $15.0 million of the Company’s outstanding common stock. The 2022 Repurchase Program does not have an expiration date and permits the Company to repurchase its shares through various methods, including open market repurchases, privately negotiated block transactions and Rule 10b5-1 plans. The Company may repurchase shares of its common stock from time to time in compliance with SEC regulations and other legal requirements. The extent to which the Company repurchases its shares, and the timing, manner, price, and amount of any such repurchases, will depend upon a variety of factors including market conditions and other corporate considerations as determined by the Company’s management, as well as the limits of the 2022 Repurchase Program and the Company's liquidity and business strategy. The 2022 Repurchase Program does not obligate the Company to acquire any particular amount of shares and may be modified or discontinued at any time. As of March 31, 2024, approximately $1.5 million of common stock remained authorized for future share repurchases under the 2022 Repurchase Program. There were no repurchases during the three months ended March 31, 2024. The table below details the Company's share repurchases under the 2022 Repurchase Program during the three months March 31, 2023.

Three Months Ended (1)	Total Number of Shares Purchased	Weighted Average Price Paid per Share (2)		Total Number of Shares Purchased as Part of Publicly Announced Program	Maximum Approximate Dollar Value that May Yet Be Purchased Under the Program (2)
March 31, 2023	923,261	$	5.68	923,261	$	2,569,940

(1)Based on trade date.

(2)Includes brokerage commissions and clearing fees.

40

AG Mortgage Investment Trust Inc. and Subsidiaries

Notes to Consolidated Financial Statements (Unaudited)

March 31, 2024

On May 4, 2023, the Company's Board of Directors authorized a stock repurchase program (the "2023 Repurchase Program") to repurchase up to $15.0 million of the Company’s outstanding common stock on substantially the same terms as the 2022 Repurchase Program. As of March 31, 2024, the full $15.0 million authorized amount remains available for repurchase under the 2023 Repurchase Program. This authorization is in addition to the amount remaining under the 2022 Repurchase Program.

On February 22, 2021, the Company's Board of Directors authorized a stock repurchase program (the "Preferred Repurchase Program") pursuant to which the Company's Board of Directors granted a repurchase authorization to acquire shares of the Company's 8.25% Series A Cumulative Redeemable Preferred Stock ("Series A Preferred Stock"), 8.00% Series B Cumulative Redeemable Preferred Stock ("Series B Preferred Stock"), and 8.000% Series C Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock ("Series C Preferred Stock") having an aggregate value of up to $20.0 million. No share repurchases under the Preferred Repurchase Program have been made since its authorization.

Shares of stock repurchased by the Company under any repurchase program, if any, will be cancelled and, until reissued by the Company, will be deemed to be authorized but unissued shares of its stock as required by Maryland law. The cost of the acquisition by the Company of shares of its own stock in excess of the aggregate par value of the shares first reduces additional paid-in capital, to the extent available, with any residual cost applied against retained earnings.

Equity distribution agreements

The Company has entered into an equity distribution agreement with each of Credit Suisse Securities (USA) LLC and JMP Securities LLC (collectively, the "Sales Agents"), which the Company refers to as the "Equity Distribution Agreements," pursuant to which the Company may sell up to $100.0 million aggregate offering price of shares of its common stock from time to time through the Sales Agents under the Securities Act of 1933. The Company did not issue any shares of common stock under the Equity Distribution Agreements during the three months ended March 31, 2024 and 2023. Since inception of the program, the Company has issued approximately 2.2 million shares of common stock under the Equity Distribution Agreements for gross proceeds of $48.3 million.

Shelf registration statement

On March 26, 2024, the Company filed a new shelf registration statement, registering up to $1.0 billion of its securities, including capital stock (the "2024 Registration Statement"). The 2024 Registration Statement was declared effective on April 9, 2024 and will generally remain effective for three years. Upon effectiveness of the 2024 Registration Statement, the Company's previous S-3 registration statement filed in 2021 was terminated.

Preferred stock

The Company is authorized to designate and issue up to 50.0 million shares of preferred stock, par value $0.01 per share, in one or more classes or series. As of March 31, 2024 and December 31, 2023, there were 1.7 million, 3.7 million, and 3.7 million of Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock, respectively, issued and outstanding.

41

AG Mortgage Investment Trust Inc. and Subsidiaries

Notes to Consolidated Financial Statements (Unaudited)

March 31, 2024

The following table includes a summary of preferred stock issued and outstanding as of March 31, 2024 ($ and shares in thousands).

Preferred Stock Series	Issuance Date	Shares Outstanding	Carrying Value		Aggregate Liquidation Preference (1)		Optional Redemption Date (2)	Rate (3)(4)
Series A Preferred Stock	August 3, 2012	1,663	$	40,110	$	41,580	August 3, 2017	8.25	%
Series B Preferred Stock	September 27, 2012	3,728	90,187		93,191		September 17, 2017	8.00	%
Series C Preferred Stock	September 17, 2019	3,729	90,175		93,220		September 17, 2024	8.000	%
Total		9,120	$	220,472	$	227,991

(1)The Company's Preferred Stock has a liquidation preference of $25.00 per share.

(2)Shares have no stated maturity and are not subject to any sinking fund or mandatory redemption. Shares of the Company’s Preferred Stock are redeemable at $25.00 per share plus accumulated and unpaid dividends (whether or not declared) exclusively at the Company’s option. Shares of the Company's Series C Preferred Stock may be redeemable earlier than the optional redemption date under certain circumstances intended to preserve its qualification as a REIT for federal income tax purposes.

(3)The initial dividend rate for the Series C Preferred Stock, from and including the date of original issue to, but not including, September 17, 2024, is 8.000% per annum of the $25.00 per share liquidation preference. On and after September 17, 2024, dividends on the Series C Preferred Stock will accumulate at a percentage of the $25.00 liquidation preference equal to an annual floating rate of the then three-month LIBOR (or as replaced by the existing LIBOR cessation fallback language) plus a spread of 6.476% per annum.

(4)Dividends are payable quarterly in arrears on the 17th day of each March, June, September, and December and holders are entitled to receive cumulative cash dividends at the respective stated rate per annum before holders of common stock are entitled to receive any cash dividends.

The Company's Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock generally do not have any voting rights, subject to an exception in the event the Company fails to pay dividends on such stock for six or more quarterly periods (whether or not consecutive). Under such circumstances, holders of the Company's Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock voting together as a single class with the holders of all other classes or series of its preferred stock upon which like voting rights have been conferred and are exercisable and which are entitled to vote as a class with the Company's Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock will be entitled to vote to elect two additional directors to the Company’s Board of Directors until all unpaid dividends have been paid or declared and set apart for payment. In addition, certain material and adverse changes to the terms of any series of the Company's Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock cannot be made without the affirmative vote of holders of at least two-thirds of the outstanding shares of the series of the Company's Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock whose terms are being changed.

12. Commitments and Contingencies

From time to time, the Company may become involved in various claims and legal actions arising in the ordinary course of business. As of March 31, 2024, the Company was not involved in any material legal proceedings.

The below table details the Company's outstanding commitments as of March 31, 2024 (in thousands).

Commitment type	Date of Commitment	Total Commitment		Funded Commitment		Remaining Commitment
Non-Agency and Agency-Eligible Loans (1)	Various	$	109,655	$	—	$	109,655

(1)The Company entered into forward purchase commitments to acquire certain Non-Agency and Agency-Eligible Loans from Arc Home which have not yet settled as of March 31, 2024. Refer to Note 10 "Transactions with affiliates" for more information.

13. Subsequent Events

The Company announced that on May 2, 2024, its Board of Directors declared second quarter 2024 preferred stock dividends on its Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock in the amount of $0.51563, $0.50 and $0.50 per share, respectively. The dividends will be paid on June 17, 2024 to holders of record on May 31, 2024.

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ITEM 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

In this quarterly report on Form 10-Q, or this "report," we refer to AG Mortgage Investment Trust, Inc. as "we," "us," the "Company," or "our," unless we specifically state otherwise or the context indicates otherwise. We refer to our external manager, AG REIT Management, LLC, as our "Manager," and we refer to the direct parent company of our Manager, Angelo, Gordon & Co., L.P., as "TPG Angelo Gordon."

The following discussion contains forward looking statements and should be read in conjunction with our consolidated financial statements and the accompanying notes to our consolidated financial statements, which are included in Item 1 of this report, as well as the information contained in our Annual Report on Form 10-K for the year ended December 31, 2023, and any subsequent filings.

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Forward-Looking Statements

We make forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended (the "Securities Act"), and Section 21E of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), in this report that are subject to substantial known and unknown risks and uncertainties. These forward-looking statements include information about possible or assumed future results of our business, financial condition, liquidity, returns, results of operations, plans, yields, objectives, the composition of our portfolio, actions by governmental entities, including the Federal Reserve, and the potential effects of actual and proposed legislation on us, and our views on certain macroeconomic trends. When we use the words "believe," "expect," "anticipate," "estimate," "plan," "continue," "intend," "should," "may" or similar expressions, we intend to identify forward-looking statements.

These forward-looking statements are based upon information presently available to our management and are inherently subjective, uncertain and subject to change. There can be no assurance that actual results will not differ materially from our expectations. Some, but not all, of the factors that might cause such a difference include, without limitation:

•the persistence of labor shortages, supply chain imbalances, the Israel-Hamas conflict, Russia’s invasion of Ukraine, inflation, and the potential for an economic recession;

•changes in our business and investment strategy;

•our ability to predict and control costs;

•changes in interest rates and the fair value of our assets, including negative changes resulting in margin calls relating to the financing of our assets;

•changes in the yield curve;

•changes in prepayment rates on the loans we own or that underlie our investment securities;

•regulatory and structural changes in the residential loan market and its impact on non-agency mortgage markets;

•increased rates of default or delinquencies and/or decreased recovery rates on our assets;

•our ability to obtain and maintain financing arrangements on terms favorable to us or at all;

•our ability to enter into, or refinance, securitization transactions on the terms and pace anticipated or at all;

•the degree to which our hedging strategies may or may not protect us from interest rate and credit risk volatility;

•our ability to realize all of the expected benefits of the acquisition of Western Asset Mortgage Capital Corporation ("WMC") or that such benefits may take longer to realize than expected (including because we incurred significant costs associated with such acquisition);

•our ability to refinance the remaining portion of the senior convertible notes assumed in the WMC acquisition in the manner anticipated or at all;

•changes in general economic conditions, in our industry and in the finance and real estate markets, including the impact on the value of our assets;

•conditions in the market for Residential Investments and Agency RMBS;

•conditions in the market for commercial investments, including the Company's ability to successfully realize the commercial investments acquired from WMC within the timeframe anticipated or at all;

•legislative and regulatory actions by the U.S. Congress, U.S. Department of the Treasury, the Federal Reserve and other agencies and instrumentalities;

•our ability to make distributions to our stockholders in the future;

•our ability to maintain our qualification as a REIT for federal tax purposes; and

•our ability to qualify for an exemption from registration under the Investment Company Act of 1940, as amended (the "Investment Company Act").

We caution investors not to rely unduly on any forward-looking statements, which speak only as of the date made, and urge you to carefully consider the risks noted above and identified under the captions "Risk Factors," and "Management’s Discussion and Analysis of Financial Condition and Results of Operations" in our Annual Report on Form 10-K for the year ended December 31, 2023 and any subsequent filings. New risks and uncertainties arise from time to time, and it is impossible for us to predict those events or how they may affect us. Except as required by law, we are not obligated to, and do not intend to, update or revise any forward-looking statements, whether as a result of new information, future events or otherwise. All forward-looking statements that we make, or that are attributable to us, are expressly qualified by this cautionary notice.

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First Quarter 2024 Executive Summary

Financial Highlights

•$10.84 Book Value per share and $10.58 Adjusted Book Value per share;

•$0.55 of Net Income/(Loss) Available to Common Stockholders per diluted common share and $0.21 of Earnings Available for Distribution ("EAD") per diluted common share;

◦Refer to the "Earnings Available for Distribution" section below for further details related to our reconciliation of Net Income/(Loss) Available to Common Stockholders to EAD;

•10.8x GAAP Leverage Ratio and 1.4x Economic Leverage Ratio; and

•$0.18 dividend per common share declared.

Investment Activity

•The table below summarizes the fair value of purchases and proceeds from sales of investments during the quarter ended March 31, 2024 (in thousands).

Investment	Purchases		Sales
Non-Agency Loans	$	14,214	$	—
Agency-Eligible Loans	271,084		—
Agency RMBS	127,724		—
Non-Agency RMBS (1)	—		19,318
Total	$	413,022	$	19,318

(1)Includes sales of $16.8 million of Non-Agency RMBS sold from the legacy portfolio acquired from Western Asset Mortgage Capital Corporation ("WMC").

Financing Activity

•Executed a rated securitization of Agency-Eligible Loans with a total unpaid principal balance of $377.5 million, converting recourse financing with mark-to-market margin calls to non-recourse financing without mark-to-market margin calls;

•Issued $34.5 million principal amount of 9.500% senior notes due 2029 in a public offering generating net proceeds of approximately $32.8 million; and

•Repurchased $7.1 million of principal amount of outstanding Legacy WMC Convertible Notes.

Our company

We are a residential mortgage REIT with a focus on investing in a diversified risk-adjusted portfolio of residential mortgage-related assets in the U.S. mortgage market. Our objective is to provide attractive risk-adjusted returns to our stockholders over the long-term, primarily through dividends and capital appreciation.

We focus our investment activities primarily on acquiring and securitizing newly-originated residential mortgage loans within the non-agency segment of the housing market. We obtain our assets through Arc Home, LLC ("Arc Home"), our residential mortgage loan originator in which we own an approximate 44.6% interest, and through other third-party origination partners. We finance our acquired loans through various financing lines on a short-term basis and utilize TPG Angelo Gordon's proprietary securitization platform to secure long-term, non-recourse, non-mark-to-market financing as market conditions permit. Through our ownership in Arc Home, we also have exposure to mortgage banking activities. Arc Home is a multi-channel licensed mortgage originator and servicer primarily engaged in the business of originating and selling residential mortgage loans while retaining the mortgage servicing rights associated with certain loans that it originates.

On December 6, 2023, we acquired Western Asset Mortgage Capital Corporation, an externally managed mortgage REIT that focused on investing in, financing and managing a portfolio of residential mortgage loans, real estate related securities, and commercial real estate loans. Through this acquisition, we increased our investment portfolio by $1.2 billion, which primarily consisted of Securitized Non-Agency Loans. For more information, refer to the "WMC Acquisition" section below.

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Our investment portfolio (which excludes our ownership in Arc Home) primarily includes Residential Investments and Agency RMBS. Currently, our Residential Investments primarily consist of newly originated Non-Agency Loans and Agency-Eligible Loans, which we refer to as our target assets. In addition, we may also invest in other types of residential mortgage loans and other mortgage related assets.

As of March 31, 2024, our investment portfolio consisted of the following Residential Investments and Agency RMBS: 

Asset Class	Description
Residential Investments
Non-Agency Loans(1)	•Non-Agency Loans are loans that do not conform to the underwriting guidelines of a government-sponsored enterprise ("GSE"). Non-Agency Loans consist of Qualified mortgage loans ("QM Loans") and Non-Qualified mortgage loans ("Non-QM Loans"). QM Loans are residential mortgage loans that comply with the Ability-To-Repay rules and related guidelines of the Consumer Finance Protection Bureau.
Agency-Eligible Loans(1)	•Agency-Eligible Loans are loans that are underwritten in accordance with GSE guidelines and are primarily secured by investment properties, but are not guaranteed by a GSE. Although these loans are underwritten in accordance with GSE guidelines and can be delivered to Fannie Mae and Freddie Mac, we include these loans within our Non-Agency securitizations.
Re- and Non-Performing Loans(1)	•Performing, re-performing, and non-performing loans are residential mortgage loans collateralized by a first lien mortgaged property.
Non-Agency RMBS(2)	•Non-Agency Residential Mortgage-Backed Securities ("RMBS") represent fixed- and floating- rate RMBS issued by entities other than U.S. GSEs or agencies of he U.S. government.
Agency RMBS(2)	•Agency RMBS represent interests in pools of residential mortgage loans guaranteed by a GSE such as Fannie Mae or Freddie Mac, or an agency of the U.S. Government such as Ginnie Mae.

(1)These investments are included in the "Securitized residential mortgage loans, at fair value" and "Residential mortgage loans, at fair value" line items on the consolidated balance sheets.

(2)These investments are included in the "Real estate securities, at fair value" line item on the consolidated balance sheets.

In addition, our investment portfolio includes commercial loans, commercial-mortgage backed securities ("CMBS") and other securities (collectively, the "Legacy WMC Commercial Investments") that were acquired in the WMC acquisition. The Legacy WMC commercial loans primarily include first lien commercial mortgage loan participations and are included in the "Commercial loans, at fair value" line item on the consolidated balance sheets. The Legacy WMC CMBS primarily include fixed-rate and floating-rate CMBS, secured by, or evidencing an ownership interest in, a single commercial mortgage loan or a pool of commercial mortgage loans, and are included in the "Real estate securities, at fair value" line item on the consolidated balance sheets. We expect to either hold the Legacy WMC Commercial Investments until maturity or opportunistically exit these investments.

Our primary sources of income are net interest income from our investment portfolio, changes in the fair value of our investments, and income from our investment in Arc Home. Net interest income consists of the interest income we earn on investments less the interest expense we incur on borrowed funds and any costs or benefits related to hedging. Income from our investment in Arc Home is generated through its mortgage banking activities which represents the origination and subsequent sale of residential mortgage loans and servicing income sourced from its portfolio of mortgage servicing rights.

We were incorporated in Maryland on March 1, 2011 and commenced operations in July 2011. We conduct our operations to qualify and be taxed as a REIT for U.S. federal income tax purposes. Accordingly, we generally will not be subject to U.S. federal income taxes on our taxable income that we distribute to our stockholders as long as we maintain our intended qualification as a REIT, with the exception of business conducted in our domestic taxable REIT subsidiaries ("TRSs") which are subject to corporate income tax. We also operate our business in a manner that permits us to maintain our exemption from registration under the Investment Company Act.

WMC Acquisition

On December 6, 2023, (the "Closing Date") we completed our acquisition of WMC. On the Closing Date, WMC merged with and into AGMIT Merger Sub, LLC, a Delaware limited liability company and our wholly owned subsidiary ("Merger Sub"), with Merger Sub continuing as the surviving company (the "Merger"). As contemplated by the Agreement and Plan of Merger,

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dated as of August 8, 2023 (the “Merger Agreement”), the certificate of merger was filed with the Secretary of State of the State of Delaware, and the Merger was effective at 8:15 a.m., Eastern Time, on the Closing Date (the "Effective Time").

Pursuant to the terms and subject to the conditions set forth in the Merger Agreement, at the Effective Time, each outstanding share of WMC common stock, par value $0.01 per share (“WMC Common Stock”), was converted into the right to receive the following (the “Per Share Merger Consideration”): (i) from us, 1.498 shares of our common stock; and (ii) from our Manager, a cash amount equal to $0.92 (the “Per Share Additional Manager Consideration”). No fractional shares of our common stock were issued in the Merger, and the value of any fractional interests to which a former holder of WMC Common Stock was otherwise entitled was paid in cash.

In addition, on August 8, 2023, we and our Manager entered into an amendment (the “MITT Management Agreement Amendment”) to our existing management agreement, pursuant to which (i) the base management fee will be reduced by $0.6 million for the first four quarters following the Effective Time, beginning with the fiscal quarter in which the Effective Time occurs (i.e., resulting in an aggregate $2.4 million waiver of base management fees), and (ii) our Manager will waive its right to seek reimbursement from us for any expenses otherwise reimbursable by us under the management agreement in an amount equal to approximately $1.3 million, which is the excess of $7.0 million over the aggregate Per Share Additional Manager Consideration paid by our Manager to the holders of WMC Common Stock under the Merger Agreement.

Additionally, each outstanding share of WMC’s restricted common stock and each WMC restricted stock unit (each, a “WMC Equity Award”) vested in full immediately prior to the Effective Time and, as of the Effective Time, was considered outstanding for all purposes of the Merger Agreement, including the right to receive the Per Share Merger Consideration, except that WMC Equity Awards granted to certain members of the WMC board of directors at WMC’s 2023 annual stockholders’ meeting (collectively, the “2023 WMC Director Awards”) were treated as follows: (i) for M. Christian Mitchell and Lisa G. Quateman, who were appointed to the our board of directors as of the Effective Time, the 2023 WMC Director Awards were equitably adjusted effective as of the Effective Time into awards relating to shares of our common stock that have the same value, vesting terms and other terms and conditions as applied to the corresponding WMC restricted stock units immediately prior to the Effective Time and (ii) for the other members of the WMC board of directors, the 2023 WMC Director Awards accelerated and vested pro-rata effective as of immediately prior to the Effective Time based on a fraction, the numerator of which was 166 (the number of days between the grant date and the Closing Date) and the denominator of which was 365, and the remaining unvested portion of such 2023 WMC Director Awards was cancelled without any consideration.

The issuance of shares of our common stock to the former stockholders of WMC was registered under the Securities Act, pursuant to a registration statement on Form S-4 (File No. 333-274319), as amended, filed by MITT with the Securities and Exchange Commission (the “SEC”) and declared effective on September 29, 2023 (the “Registration Statement”). The joint proxy statement/prospectus included in the Registration Statement contains additional information about the Merger, the Merger Agreement and the transactions contemplated thereby.

Pursuant to the Merger Agreement, approximately 9.2 million shares of our common stock were issued in connection with the Merger to former WMC common stockholders, and former WMC common stockholders owned approximately 31% of the common equity of MITT as the combined company following the consummation of the Merger.

Our Manager and TPG Angelo Gordon

We are externally managed by AG REIT Management, LLC, a Delaware limited liability company (the "Manager"), a wholly-owned subsidiary of TPG Angelo Gordon, a diversified credit and real estate investing platform within TPG Inc. ("TPG"). TPG (Nasdaq: TPG) is a leading global alternative asset management firm.

On November 1, 2023, TPG completed the previously announced acquisition of TPG Angelo Gordon (the "TPG Transaction"), pursuant to which TPG Angelo Gordon, including our Manager, became indirect subsidiaries of TPG. Pursuant to the management agreement with our Manager, the closing of the TPG Transaction resulted in an assignment of the management agreement. The independent directors of our Board of Directors unanimously consented to such assignment on July 31, 2023 in advance of the TPG Transaction closing. There were no changes to the management agreement in connection with the TPG Transaction and the assignment of the management agreement became effective upon the closing of the TPG Transaction.

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Pursuant to the terms of our management agreement, our Manager provides us with our management team, including our officers, along with appropriate support personnel. All of our officers are employees of TPG Angelo Gordon or its affiliates. We do not have any employees. Our Manager is at all times subject to the supervision and oversight of our Board of Directors and has only such functions and authority as our Board of Directors delegates to it. Our Manager has delegated to TPG Angelo Gordon the overall responsibility with respect to our Manager’s day-to-day duties and obligations arising under our management agreement. TPG Angelo Gordon is a registered investment adviser under the Investment Advisers Act of 1940, as amended.

Through our relationship with our Manager, we benefit from the expertise and relationships that TPG Angelo Gordon has established which provides us with resources to generate attractive risk-adjusted returns for our stockholders. Our management has significant experience in the mortgage industry and expertise in structured credit investments. We are able to leverage our Manager, along with our ownership interest in Arc Home, a vertically integrated origination platform, to access investment opportunities in the non-agency residential mortgage loan market. This strategic advantage has enabled us to grow our investment portfolio and remain active in the securitization markets, utilizing TPG Angelo Gordon's proprietary securitization platform to deliver non-agency investments to a diverse mix of investors.

Market Conditions

The first quarter of 2024 experienced a consistent theme of volatility in the financial markets due to the overall market uncertainty related to inflation, the path of monetary policy and interest rates. The Federal Reserve continued to hold the federal funds target rate steady at the March 2024 Federal Open Market Committee meeting after raising the short-term federal funds rate eleven times between March 2022 and July 2023. The March Consumer Price Index indicated inflation was 3.5% year over year which increased from prior monthly readings. In addition, the U.S. Economy continues to show signs of durability with a strong March employment report issued by the U.S. Bureau of Labor Statistics and the unemployment rate remaining low at 3.8%. As a result of the overall strong first quarter inflation and employment reports, the 10-year U.S. treasury yield increased by approximately 33 basis points from 3.88% as of December 2023 to 4.21% as of the end of the first quarter and the 30-year fixed rate mortgage increased by approximately 20 basis points to 6.8% from the start of the year. Furthermore, treasury yields continued to increase during April 2024. Although at the end of 2023 market participants began pricing in rate cuts as soon as March 2024, the recent inflation reading has indicated the timing of any potential rate cuts would likely be pushed towards the back half of 2024 causing market participants to adjust expectations once again. As a result, it remains unclear when the Federal Reserve will initiate rate cuts and it is possible longer-term rates may remain elevated for longer than anticipated. The quarter ended with the spread between the 2-year and 10-year U.S. treasury yields at approximately 43 basis points inverted, a slight increase from 37 basis points to end 2023. While the Federal Reserve’s policy tightening has slowed, the Federal Reserve has indicated that it will continue to seek economic data that will provide greater confidence that inflation is moving sustainably toward the target rate of 2% to support future rate reductions.

Although benchmark rates increased during the first quarter 2024, RMBS spreads tightened sharply during this period amid strong investor appetite for U.S. housing and mortgage credit. Trends in credit spreads on credit risk transfer ("CRT") assets are generally utilized by market participants as a proxy for evaluating credit related assets given the observability of transactions. CRT tranches were tighter by 50 to 200 basis points and the sector’s credit curve significantly flattened. Senior Non-QM spreads were around 40 basis points tighter during the first quarter 2024, and BBB- and BB- rated Non-QM spreads were 70 and 120 basis points tighter, respectively. First quarter 2024 total returns were between 2% and 4% for mezzanine CRT tranches, 4% and 6% for subordinate CRT tranches, and 1% to 2% for legacy RMBS.

Primary RMBS issuance was off to a strong start during the first quarter 2024, totaling nearly $30 billion, an increase of 56% and 73% against the first quarter 2023 and the fourth quarter 2023, respectively. Securitizations backed by Non-QM and Prime Jumbo collateral collectively comprised over half of the issuances during the quarter. Second-lien collateral, including closed-end loans and Home Equity Lines of Credit, totaled $2.6 billion, or 9% of new issuance, and CRT made up approximately 11% of the activity. Primary issuance in 2023 totaled just $69 billion, amid a lull in mortgage origination activity after almost $140 billion of new bonds were issued in 2022.

The S&P CoreLogic Case-Shiller U.S. National Home Price Index was higher by 6% year over year in January 2024. However, home prices were little changed over the last several months, with the Index just below its October 2023 peak and in-line with the prior peak in June 2022. Home price performance remains mixed depending on geography. Since June 2022, home price appreciation in certain west coast Metropolitan Statistical Areas (“MSAs”) as well as Phoenix, Dallas and Denver, was 6% to 12% lower while home price appreciation in MSAs such as Chicago, Detroit, Miami and New York City were 3% to 6% higher. A survey of research shows varied home price expectations in 2024 ranging from a decline of 3% to an increase of 5.5%.

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Prevailing mortgage rates slightly increased to 6.8% at the end of March 2024 and continued to rise in the first weeks of the second quarter 2024. This is up from 6.6% at the end of December 2023 however still below the peak of 7.8% at the end of October 2023, the highest level since November 2000. Nationally, the average effective mortgage rate outstanding was 3.8% as of December 2023, but has crept higher from 3.3% in March 2022, reflecting the inclusion of higher-rate originations in the second half of 2022 and during 2023. The well-publicized “lock-in effect,” or disincentive for existing homeowners to sell their homes because their current mortgage rate is well below current market rates, remains in full force with most estimates showing a very small share of outstanding mortgages with an economic incentive to refinance.

According to the National Association of Realtors, total existing home listings were 1.07 million in February 2024, remaining in line with most of 2023 but down significantly from pre-pandemic years. On a national level, new listings were slightly higher in February 2024 against levels in January and February 2023 but remain weak overall.

Despite prevailing mortgage rates at multi-decade highs, sufficient demand continues to exist to support the housing market. While homeownership affordability is near all-time lows, housing supply continues to be constrained and demand for housing remains evident as borrowers reset in a higher-rate environment.

Presentation of investment, financing and hedging activities

In the "Investment activities," "Financing activities," "Hedging activities," and "Liquidity and capital resources" sections of this Item 2, we present information on our investment portfolio and the related financing arrangements inclusive of unconsolidated ownership interests in affiliates that are accounted for under GAAP using the equity method. Our investment portfolio excludes our investment in Arc Home.

Our investment portfolio and the related financing arrangements are presented along with a reconciliation to GAAP. This presentation of our investment portfolio is consistent with how our management team evaluates the business, and we believe this presentation, when considered with the GAAP presentation, provides supplemental information useful for investors in evaluating our investment portfolio and financial condition. See Note 10 to the "Notes to Consolidated Financial Statements (unaudited)" for a discussion of investments in debt and equity of affiliates. See below for further terms used when describing our investment portfolio.

•Our "Investment portfolio" includes our Residential Investments, Agency RMBS, inclusive of TBAs, and Legacy WMC Commercial Investments.

•Our "Residential Investments" refer to our residential mortgage loans and Non-Agency RMBS.

◦"Residential mortgage loans" or "Loans" refer to our Non-Agency Loans, Agency-Eligible Loans, and Re/Non-Performing Loans (exclusive of retained tranches from unconsolidated securitizations).

◦"Non-Agency RMBS" refer to the retained tranches from unconsolidated securitizations of Non-Agency Loans and Re/Non-Performing Loans issued under the GCAT shelf, as well as Non-Agency RMBS issued by third-parties.

•"Real estate securities" refers to our Non-Agency RMBS and Agency RMBS, inclusive of TBAs, as well as Legacy WMC CMBS and Other Securities that were acquired in the WMC acquisition.

•Our "Legacy WMC Commercial Investments" refer to the commercial loans and CMBS that we acquired in the WMC acquisition. We expect to either hold the Legacy WMC Commercial Investments until maturity or opportunistically exit these investments.

•Our "GAAP Residential Investments" refer to our Residential Investments excluding investments held within affiliated entities.

•Our "GAAP Investment portfolio" includes our GAAP Residential Investments, Agency RMBS, and Legacy WMC Commercial Investments and Other Securities.

For a reconciliation of our Investment portfolio to our GAAP Investment portfolio, see the Investment Portfolio section below.

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Book value and Adjusted book value per share

The below table details book value and adjusted book value per common share. Per share amounts for book value are calculated using all outstanding common shares in accordance with GAAP as of quarter-end.

	March 31, 2024		December 31, 2023
Book value per common share	$	10.84	$	10.46
Net proceeds of preferred stock less liquidation preference of preferred stock per common share (1)	(0.26)		(0.26)
Adjusted book value per common share	$	10.58	$	10.20

(1)Book value per common share is calculated using stockholders’ equity less net proceeds of $220.5 million on our issued and outstanding preferred stock as the numerator. Adjusted book value per common share is calculated using stockholders’ equity less the liquidation preference of $228.0 million on our issued and outstanding preferred stock as the numerator.

Results of Operations

Our operating results can be affected by a number of factors and primarily depend on the size and composition of our investment portfolio, the level of our net interest income, the fair value of our assets and the supply of, and demand for, our investments in residential mortgage loans in the marketplace, among other things, which can be impacted by unanticipated credit events, such as defaults, liquidations or delinquencies, experienced by borrowers whose residential mortgage loans are included in our investment portfolio and other unanticipated events in our markets. Our primary source of net income or loss available to common stockholders is our net interest income, inclusive of our cost or benefit of hedging, which represents the difference between the interest earned on our investment portfolio and the costs of financing and economic hedges in place on our investment portfolio, as well as any income or losses from our equity investments in affiliates.

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Three Months Ended March 31, 2024 compared to the Three Months Ended March 31, 2023

The table below presents certain information from our consolidated statements of operations for the three months ended March 31, 2024 and 2023 (in thousands).

	Three Months Ended
	March 31, 2024		March 31, 2023		Increase/(Decrease)
Statement of Operations Data:
Net Interest Income
Interest income	$	95,572	$	57,803	$	37,769
Interest expense	78,393		46,188		32,205
Total Net Interest Income	17,179		11,615		5,564
Other Income/(Loss)
Net interest component of interest rate swaps	1,900		1,020		880
Net realized gain/(loss)	(1,103)		100		(1,203)
Net unrealized gain/(loss)	10,014		8,717		1,297
Total Other Income/(Loss)	10,811		9,837		974
Expenses
Management fee to affiliate	1,741		2,075		(334)
Non-investment related expenses	3,114		2,820		294
Investment related expenses	3,283		2,326		957
Transaction related expenses	999		1,707		(708)
Total Expenses	9,137		8,928		209
Income/(loss) before equity in earnings/(loss) from affiliates	18,853		12,524		6,329
Equity in earnings/(loss) from affiliates	2,037		16		2,021
Net Income/(Loss)	20,890		12,540		8,350
Dividends on preferred stock	(4,586)		(4,586)		—
Net Income/(Loss) Available to Common Stockholders	$	16,304	$	7,954	$	8,350

Interest income

Interest income is calculated using the effective interest method for our GAAP investment portfolio.

Interest income increased from the three months ended March 31, 2023 to the three months ended March 31, 2024 primarily as a result of an increased investment portfolio resulting from the acquisition of WMC in December 2023 along with purchases of Non-Agency Loans and Agency-Eligible Loans during the period and an increase in the weighted average yield of our investment portfolio. The following table presents a summary of the weighted average amortized cost of and the weighted average yield on our GAAP investment portfolio for the three months ended March 31, 2024 and 2023 ($ in millions).

	Three Months Ended
	March 31, 2024			March 31, 2023			Increase/(Decrease)
Weighted average amortized cost of our GAAP investment portfolio	$	6,457		$	4,693		$	1,764
Weighted average yield on our GAAP investment portfolio	5.92		%	4.93		%	0.99		%

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Interest expense

Interest expense is inclusive of our financing cost related to our financing arrangements on our GAAP investment portfolio, securitized debt, Legacy WMC Convertible Notes, and Senior Unsecured Notes.

Interest expense increased from the three months ended March 31, 2023 to the three months ended March 31, 2024 due to an increase in the GAAP financing balance outstanding resulting from the assumption of financing through the acquisition of WMC in December 2023 along with the issuance of securitized debt during the period and an increase in the weighted average financing rate. The following table presents a summary of the weighted average financing balance and the weighted average financing rate on our GAAP investment portfolio for the three months ended March 31, 2024 and 2023 ($ in millions).

	Three Months Ended
	March 31, 2024			March 31, 2023			Increase/(Decrease)
Weighted average GAAP financing balance	$	6,022		$	4,288		$	1,734
Weighted average financing rate on our GAAP investment portfolio	5.21		%	4.31		%	0.90		%

Net interest component of interest rate swaps

Net interest component of interest rate swaps represents the net interest income received or expense paid on our interest rate swaps.

We recorded income on the net interest component of interest rate swaps during the three months ended March 31, 2024 and 2023 as a result of our swap portfolio being in a net receive position. Interest income increased from the three months ended March 31, 2023 to the three months ended March 31, 2024 primarily as a result of an increase in the net weighted average receive rate during the three months ended March 31, 2024 compared with the three months ended March 31, 2023. The following table presents a summary of our interest rate swap portfolio as of March 31, 2024 and 2023 ($ in millions).

	March 31, 2024			March 31, 2023			Increase/(Decrease)
Interest rate swap notional value	$	454		$	468		$	(14)
Weighted average receive-variable rate	5.34		%	4.87		%	0.47		%
Weighted average pay-fix rate	3.74		%	3.69		%	0.05		%
Net weighted average (pay)/receive rate	1.60		%	1.18		%	0.42		%

Net realized gain/(loss)

The following table presents a summary of Net realized gain/(loss) for the three months ended March 31, 2024 and 2023 (in thousands). The realized loss during the three months ended March 31, 2024 was primarily driven by unwinding pay-fix, receive-variable interest rate swaps which were held at unrealized losses partially offset by gains on the sale of certain Non-Agency RMBS acquired in the WMC acquisition and gains on the settlement of forward purchase commitments.

	Three Months Ended
	March 31, 2024		March 31, 2023
Sales of residential mortgage loans and loans transferred to or sold from Other assets	$	48	$	(9,902)
Sales of real estate securities	848		—
Settlement of derivatives and other instruments	(1,999)		10,002
Total Net realized gain/(loss)	$	(1,103)	$	100

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Net unrealized gain/(loss)

The following table presents a summary of Net unrealized gain/(loss) for the three months ended March 31, 2024 and 2023 (in thousands). During the three months ended March 31, 2024, there were unrealized gains on residential mortgage loans and derivatives offset by unrealized losses on securitized debt.

	Three Months Ended
	March 31, 2024		March 31, 2023
Residential mortgage loans	$	23,079	$	97,201
Commercial loans	111		—
Real estate securities	(116)		4,127
Securitized debt	(22,429)		(72,642)
Derivatives	9,369		(19,969)
Total Net unrealized gain/(loss)	$	10,014	$	8,717

Management fee to affiliate

Our management fee is based upon a percentage of our Stockholders’ Equity. See the "Contractual obligations" section of this Item 2 for further detail on the calculation of our management fee and for the definition of Stockholders’ Equity. In connection with the WMC acquisition, we and our Manager entered into the MITT Management Agreement Amendment pursuant to which the base management fee will be reduced by $0.6 million for the first four quarters following the transaction closing, beginning with the fiscal quarter in which the transaction closing occurs (i.e., resulting in an aggregate $2.4 million waiver of base management fees). During the three months ended March 31, 2024, the base management fee was reduced by $0.6 million. This was offset by an increase in stockholders' equity as calculated pursuant to the management agreement as a result of the WMC acquisition.

Non-investment related expenses

Non-investment related expenses are primarily comprised of professional fees, directors’ and officers’ ("D&O") insurance, directors’ compensation, and certain non-investment related expenses reimbursable to our Manager or its affiliates. We are required to reimburse our Manager or its affiliates for operating expenses incurred by our Manager or its affiliates on our behalf, including certain compensation expenses and other expenses relating to legal, accounting, and other services. Refer to the "Contractual obligations" section below for more detail on certain expenses reimbursable to our Manager or its affiliates. The following table presents a summary of our non-investment related expenses for the three months ended March 31, 2024 and 2023 (in thousands).

	Three Months Ended
	March 31, 2024		March 31, 2023
Affiliate reimbursement (1)	$	1,664	$	1,400
Professional Fees	547		552
D&O insurance	334		272
Directors' compensation	318		176
Other	251		420
Total Non-investment related expenses	$	3,114	$	2,820

(1)For the three months ended March 31, 2024, the Manager agreed to waive its right to receive expense reimbursements of $0.3 million pursuant to the MITT Management Agreement Amendment executed in connection with the Merger.

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Investment related expenses

Investment related expenses are primarily comprised of servicing fees, asset management fees, trustee fees, and certain investment related expenses reimbursable to the Manager or its affiliates. We are required to reimburse our Manager or its affiliates for operating expenses incurred by our Manager or its affiliates on our behalf associated with our investment portfolio. The following table presents a summary of our investment related expenses for the three months ended March 31, 2024 and 2023 (in thousands).

	Three Months Ended
	March 31, 2024		March 31, 2023
Affiliate reimbursement	$	114	$	102
Servicing fees (1)	1,871		1,050
Residential mortgage loan asset management fees	615		635
Trustee and bank fees	516		375
Other	167		164
Total Investment related expenses	$	3,283	$	2,326

(1)The acquisition of WMC in December 2023 resulted in an increase in our residential mortgage loan portfolio of $1.1 billion of unpaid principal balance, which contributed to an increase in servicing fees and other residential loan related expenses.

Transaction related expenses

Historically, transaction related expenses have included expenses primarily associated with purchasing and securitizing residential mortgage loans as well as certain other transaction and performance related fees associated with assets we invest in. Transaction related expenses decreased from the three months ended March 31, 2023 to the three months ended March 31, 2024 primarily due to less expenses associated with the securitization executed in the first quarter of 2024 compared to the securitization executed in the first quarter of 2023.

Equity in earnings/(loss) from affiliates

Equity in earnings/(loss) from affiliates represents our share of earnings and profits of investments held within affiliated entities. Substantially all of these investments are comprised of real estate securities, loans, and our investment in AG Arc which holds our investment in Arc Home. The below tables summarize the components of the "Equity in earnings/(loss) from affiliates" line item on our consolidated statements of operations (in thousands).

	Three Months Ended
	March 31, 2024		March 31, 2023
MATT Non-QM Securities (1)	$	2,205	$	1,625
Land Related Financing	—		339
Re/Non-Performing Securities	105		192
AG Arc (2)	(273)		(2,140)
Equity in earnings/(loss) from affiliates	$	2,037	$	16

(1)For the three months ended March 31, 2024, the earnings/(loss) generated from our investment in MATT Non-QM Securities consisted of interest income of $0.8 million, net unrealized gains of $1.5 million, and other expenses of $(0.1) million. For the three months ended March 31, 2023, the earnings/(loss) generated from our investment in MATT Non-QM Securities consisted of net interest income of $0.9 million, net unrealized gains of $0.8 million, and other expenses of $(0.1) million.

(2)Refer to the table below for additional detail on the earnings/(loss) generated from our investment in AG Arc.

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The below table further disaggregates our "Equity in earnings/(loss) from affiliates" line item on our consolidated statements of operations (in thousands).

	Three Months Ended
	March 31, 2024		March 31, 2023
Interest income	$	1,081	$	1,760
Interest expense	72		264
Total Net Interest Income	1,009		1,496
Net unrealized gain/(loss)	1,370		794
After-tax earnings/(loss) at AG Arc (1)	(116)		(2,315)
Net unrealized gain/(loss) on investment in AG Arc	44		175
Elimination of gains on loans sold to MITT (2)	(201)		—
Total AG Arc Earnings/(Loss)	(273)		(2,140)
Other operating expenses	69		134
Equity in earnings/(loss) from affiliates	$	2,037	$	16

(1)The earnings/(loss) at AG Arc during the three months ended March 31, 2024 were primarily the result of $(0.2) million of losses related to Arc Home's lending and servicing operations, offset by $0.1 million related to changes in the fair value of the MSR portfolio held by Arc Home. The earnings/(loss) at AG Arc during the three months ended March 31, 2023 were primarily the result of $(1.6) million related to changes in the fair value of the MSR portfolio held by Arc Home, along with $(0.7) million of losses related to Arc Home's lending and servicing operations.

(2)The earnings recognized by AG Arc do not include our portion of gains recorded by Arc Home in connection with the sale of residential mortgage loans to us. Refer to Note 10 to the "Notes to Consolidated Financial Statements (unaudited)" for more information on this accounting policy.

Earnings Available for Distribution

One of our objectives is to generate net income from net interest margin on the portfolio, and management uses EAD, as one of several metrics, to help measure our performance against this objective. Management believes that this non-GAAP measure, when considered with our GAAP financial statements, provides supplemental information useful for investors to help evaluate our financial performance. However, management also believes that our definition of EAD has important limitations as it does not include certain earnings or losses our management team considers in evaluating our financial performance. Our presentation of EAD may not be comparable to similarly-titled measures of other companies, who may use different calculations. This non-GAAP measure should not be considered a substitute for, or superior to, Net Income/(loss) available to common stockholders or Net income/(loss) per diluted common share calculated in accordance with GAAP. Our GAAP financial results and the reconciliations from these results should be carefully evaluated.

We define EAD, a non-GAAP financial measure, as Net Income/(loss) available to common stockholders excluding (i) (a) unrealized gains/(losses) on loans, real estate securities, derivatives and other investments, inclusive of our investment in AG Arc, and (b) net realized gains/(losses) on the sale or termination of such instruments, (ii) any transaction related expenses incurred in connection with the acquisition, disposition, or securitization of our investments as well as transaction related expenses incurred in connection with the WMC acquisition, (iii) accrued deal-related performance fees payable to third party operators to the extent the primary component of the accrual relates to items that are excluded from EAD, such as unrealized and realized gains/(losses), (iv) realized and unrealized changes in the fair value of Arc Home's net mortgage servicing rights and the derivatives intended to offset changes in the fair value of those net mortgage servicing rights, (v) deferred taxes recognized at our taxable REIT subsidiaries, if any, and (vi) any bargain purchase gains recognized. Items (i) through (vi) above include any amount related to those items held in affiliated entities. Management considers the transaction related expenses referenced in (ii) above to be similar to realized losses incurred at the acquisition, disposition, or securitization of an asset and does not view them as being part of its core operations. Management views the exclusion described in (iv) above to be consistent with how it calculates EAD on the remainder of its portfolio. Management excludes all deferred taxes because it believes deferred taxes are not representative of current operations. EAD includes the net interest income and other income earned on our investments on a yield adjusted basis, including TBA dollar roll income/(loss) or any other investment activity that may earn or pay net interest or its economic equivalent.

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A reconciliation of "Net Income/(loss) available to common stockholders" to EAD for the three months ended March 31, 2024 and 2023 is set forth below (in thousands, except per share data).

	Three Months Ended
	March 31, 2024		March 31, 2023
Net Income/(loss) available to common stockholders	$	16,304	$	7,954
Add (Deduct):
Net realized (gain)/loss	1,103		(100)
Net unrealized (gain)/loss	(10,014)		(8,717)
Transaction related expenses and deal related performance fees (1)	1,023		1,800
Equity in (earnings)/loss from affiliates	(2,037)		(16)
EAD from equity method investments (2)(3)	(254)		(339)
Earnings available for distribution	$	6,125	$	582
Earnings available for distribution, per Diluted Share	$	0.21	$	0.03

(1)For the three months ended March 31, 2024 and 2023, total transaction related expenses and deal related performance fees included $1.0 million and $1.7 million, respectively, recorded within the "Transaction related expenses" line item and $24 thousand and $0.1 million, respectively, recorded within the "Interest expense" line item, which relates to the amortization of deferred financing costs.

(2)For the three months ended March 31, 2024 and 2023, $0.9 million or $0.03 per share and $(0.6) million or $(0.03) per share, respectively, of realized and unrealized changes in the fair value of Arc Home's net mortgage servicing rights and corresponding derivatives were excluded from EAD, net of deferred tax expense or benefit. Additionally, for the three months ended March 31, 2024 and 2023, $44 thousand or $0.00 per share and $0.2 million or $0.01 per share, respectively, of unrealized changes in the fair value of our investment in Arc Home were excluded from EAD.

(3)EAD recognized by AG Arc does not include our portion of gains recorded by Arc Home in connection with the sale of residential mortgage loans to us. For the three months ended March 31, 2024, we eliminated $0.2 million or $0.01 per share of intra-entity profits recognized by Arc Home, and also decreased the cost basis of the underlying loans we purchased by the same amount. For the three months ended March 31, 2023 we did not eliminate any intra-entity profits recognized by Arc Home as we did not purchase any loans from Arc during the quarter. Refer to Note 10 to the "Notes to Consolidated Financial Statements (unaudited)" for more information on this accounting policy.

Investment activities

Investment activities

We aim to allocate capital to investment opportunities with attractive risk/return profiles in our target asset classes. Our investment activities primarily include acquiring and securitizing newly-originated residential mortgage loans. We finance our acquired loans through various financing lines on a short-term basis and securitize the loans to obtain long-term, non-recourse, non-mark-to-market financing as market conditions permit. We may also invest in Agency RMBS to utilize excess liquidity. Our investment and capital allocation decisions depend on prevailing market conditions and compliance with Investment Company Act and REIT tests, among other factors, and may change over time in response to opportunities available in different economic and capital market environments. As a result, in reacting to market conditions and taking into account a variety of other factors, including liquidity, duration, and interest rate expectations, the mix of our assets changes over time as we deploy capital. We actively evaluate our investments based on factors including, among others, the characteristics of the underlying collateral, geography, expected return, expected future prepayment trends, supply of and demand for our investments, costs of financing, costs of hedging, expected future interest rate volatility, and the overall shape of the U.S. Treasury and interest rate swap yield curves.

In December 2023, through our acquisition of WMC, we increased our investment portfolio by $1.2 billion, which primarily consisted of Securitized Non-Agency Loans. For more information on the WMC acquisition, refer to "WMC Acquisition" above and the section entitled "WMC Acquisition" in Note 1 to the "Notes to Consolidated Financial Statements (unaudited)."

Net interest margin and leverage ratio

Net interest margin and leverage ratio are metrics that management believes should be considered when evaluating the performance of our investment portfolio.

GAAP net interest margin and non-GAAP net interest margin, a non-GAAP financial measure, are calculated by subtracting the weighted average cost of funds from the weighted average yield for our GAAP investment portfolio and our investment

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portfolio, respectively. The weighted average yield represents an effective interest rate on our cost basis, which utilizes all estimates of future cash flows and adjusts for actual prepayment and cash flow activity as of quarter-end. The calculation of weighted average yield is weighted on fair value at quarter-end. The weighted average cost of funds is the sum of the weighted average funding costs on total financing arrangements outstanding at quarter-end, including all non-recourse financing arrangements, and our weighted average hedging cost or benefit, which is the weighted average of the net pay or receive rates on our interest rate swaps. GAAP and non-GAAP cost of funds are weighted by the outstanding financing arrangements on our GAAP investment portfolio and our investment portfolio, respectively, and the fair value of securitized debt at quarter-end.

Our leverage ratio is determined by our portfolio mix as well as many additional factors, including the liquidity of our portfolio, the availability and price of our financing, the available capacity to finance our assets, and anticipated regulatory developments. See the "Financing activities" section below for more detail on our leverage ratio.

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Investment portfolio

The following tables present a summary of our investment portfolio, inclusive of net interest margin and leverage ratios, as of March 31, 2024 and a reconciliation of these metrics on our Investment Portfolio to their respective metrics on our GAAP Investment Portfolio ($ in thousands).

	March 31, 2024
	Investment						Securitized Debt						Cost of Funds (b)		Allocated Equity (c)		Net Interest Margin
Instrument	Amortized Cost		Fair Value		Yield (a)		Amortized Cost		Fair Value		Financing Arrangements								Leverage Ratio (d)
Residential Investments
Securitized Non-Agency Loans	$	5,829,628	$	5,467,555	5.64	%	$	5,153,803	$	4,871,205	$	315,007	5.15	%	$	281,343	0.49	%	0.9x
Securitized Re/Non-Performing Loans	195,903		177,449		6.27	%	119,819		109,737		43,628		4.42	%	24,084		1.85	%	1.8x
Non-Agency Loans	98,656		99,144		7.15	%	—		—		77,191		5.73	%	21,953		1.42	%	3.5x
Agency-Eligible Loans	102,327		102,955		6.98	%	—		—		94,819		5.96	%	8,136		1.02	%	11.7x
Residential Whole Loans	920		2,252		116.45	%	—		—		—		—	%	2,252		116.45	%	N/A
Non-Agency RMBS	92,433		97,336		15.54	%	—		—		39,998		6.04	%	57,338		9.50	%	0.7x
Total Residential Investments	6,319,867		5,946,691		5.91	%	5,273,622		4,980,942		570,643		5.16	%	395,106		0.75	%	1.3x
Agency RMBS	143,935		142,783		6.24	%	—		—		98,371		3.75	%	44,412		2.49	%	2.2x
Legacy WMC Commercial Investments (e)
Commercial Loans	66,267		66,474		10.06	%	—		—		47,222		8.33	%	19,252		1.73	%	2.5x
CMBS	57,372		54,389		20.97	%	—		—		21,348		7.28	%	33,041		13.69	%	0.6x
Total Legacy WMC Commercial Investments	123,639		120,863		14.97	%	—		—		68,570		8.00	%	52,293		6.97	%	1.3x
Other Securities	1,120		1,220		19.45	%	—		—		—		—	%	1,220		19.45	%	N/A
Total Investment Portfolio	$	6,588,561	$	6,211,557	6.09	%	$	5,273,622	$	4,980,942	$	737,584	5.17	%	$	493,031	0.92	%	1.4x
Cash and Cash Equivalents (f)															100,287		5.20	%
Interest Rate Swaps (g)															13,354		1.60	%
Arc Home															33,190
Convertible senior unsecured notes															(78,530)		(8.42)	%
Senior unsecured notes															(32,810)		(10.80)	%
Non-Interest Earning Assets, net															11,043
Total Stockholders' Equity															$	539,565			1.4x
	Investment						Securitized Debt						Cost of Funds (b)		Allocated Equity (c)		Net Interest Margin
	Amortized Cost		Fair Value		Yield (a)		Amortized Cost		Fair Value		Financing Arrangements								Leverage Ratio (d)
Total Investment Portfolio	$	6,588,561	$	6,211,557	6.09	%	$	5,273,622	$	4,980,942	$	737,584	5.17	%	$	493,031	0.92	%	1.4x
Investments in Debt and Equity of Affiliates	17,113		23,860		34.84	%	—		—		3,583		7.97	%	20,277		26.87	%	(h)
GAAP Investment Portfolio	$	6,571,448	$	6,187,697	5.98	%	$	5,273,622	$	4,980,942	$	734,001	5.17	%	$	472,754	0.81	%	10.8x

(a)Excludes any net TBA positions.

(b)Includes the cost (interest expense) or benefit (interest income) from our interest rate swap hedges. The benefit of hedging as of March 31, 2024 was 0.12%.

(c)Allocated equity represents the investment fair value less the associated securitized debt at fair value and financing arrangements, where applicable.

(d)The leverage ratio on each asset class and on our investment portfolio represents Economic Leverage as defined below in the "Financing Activities" section and is calculated by dividing each investment type's total recourse financing arrangements less any cash posted as collateral by its equity invested inclusive of any cash collateral posted on financing arrangements. The Economic Leverage Ratio excludes any fully non-recourse financing arrangements and includes any net receivables or payables on TBAs. The leverage ratio on our GAAP Investment Portfolio represents GAAP leverage as defined below in the "Financing Activities" section.

(e)We expect to either hold the Legacy WMC Commercial Investments until maturity or opportunistically exit these investments.

(f)Cash and cash equivalents may include a portion of cash invested in money market funds. The yield represents the interest earned on money market funds as of period end.

(g)Interest rate swaps represents the sum of the net fair value of interest rate swaps and the margin posted on interest rate swaps as of period end. Yield on interest rate swaps represents the weighted average net receive/(pay) rate as of period end. The impact of the net interest component of interest rate swaps on the cost of funds is included within the respective investment portfolio asset line items.

(h)Refer to the "Financing activities" section below for an aggregate breakout of leverage.

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The following table presents a reconciliation of our Investment Portfolio to our GAAP Investment Portfolio as of March 31, 2024 and December 31, 2023 ($ in thousands).

	March 31, 2024													December 31, 2023
Instrument	Current Face		Amortized Cost		Unrealized Mark-to-Market		Fair Value (1)		Weighted Average Coupon (2)		Weighted Average Yield		Weighted Average Life  (Years) (3)	Fair Value (1)
Residential Investments
Residential Mortgage Loans
Securitized Non-Agency Loans (4)	$	5,854,878	$	5,829,628	$	(362,073)	$	5,467,555	5.33	%	5.64	%	9.63	$	5,175,169
Securitized Re- and Non-Performing Loans	212,525		195,903		(18,454)		177,449		3.97	%	6.27	%	5.78	183,112
Non-Agency Loans	97,544		98,656		488		99,144		8.16	%	7.15	%	3.09	94,516
Agency-Eligible Loans	99,930		102,327		628		102,955		7.72	%	6.98	%	3.67	220,709
Re- and Non-Performing Loans	2,439		920		1,332		2,252		N/A		116.45	%	1.62	2,406
Total Residential Mortgage Loans	6,267,316		6,227,434		(378,079)		5,849,355		5.36	%	5.75	%	9.30	5,675,912
Non-Agency RMBS
GCAT Non-Agency RMBS (5)
GCAT Non-Agency Securities	43,794		41,615		(7,406)		34,209		4.67	%	6.01	%	10.07	32,542
GCAT Non-Agency RMBS Interest Only (6)	N/A		2,455		2,499		4,954		0.54	%	37.04	%	5.21	4,991
MATT Non-QM Securities (6)	4,497		9,710		6,813		16,523		0.82	%	43.95	%	3.77	15,257
Re/Non-Performing Securities (6)	5,516		7,403		(66)		7,337		0.95	%	14.31	%	0.64	7,569
Total GCAT Non-Agency RMBS	53,807		61,183		1,840		63,023		1.40	%	19.37	%	4.45	60,359
Non-Agency Securities	40,930		31,074		3,059		34,133		6.21	%	8.41	%	12.93	51,006
Non-Agency RMBS Interest Only (6)	N/A		176		4		180		0.21	%	26.83	%	5.47	1,083
Total Non-Agency RMBS	94,737		92,433		4,903		97,336		1.86	%	15.54	%	5.14	112,448
Total Residential Investments	6,362,053		6,319,867		(373,176)		5,946,691		5.18	%	5.91	%	8.96	5,788,360
Agency RMBS
30 Year Fixed Rate	121,708		121,831		(111)		121,720		5.50	%	5.48	%	9.26	—
Agency RMBS Interest Only (6)	N/A		22,104		(1,041)		21,063		4.01	%	10.59	%	6.74	15,694
Total Agency RMBS	121,708		143,935		(1,152)		142,783		4.77	%	6.24	%	8.04	15,694
Legacy WMC Commercial Investments (7)
Commercial Loans	67,204		66,267		207		66,474		9.25	%	10.06	%	1.27	66,303
CMBS	103,399		57,372		(2,983)		54,389		7.38	%	20.97	%	2.28	56,349
Total Legacy WMC Commercial Investments	170,603		123,639		(2,776)		120,863		8.12	%	14.97	%	1.88	122,652
Other Securities (8)	N/A		1,120		100		1,220		N/A		19.45	%	7.06	1,156
Total: Investment Portfolio	$	6,654,364	$	6,588,561	$	(377,004)	$	6,211,557	5.24	%	6.09	%	8.77	$	5,927,862
Less: Investments in Debt and Equity of Affiliates
Non-Agency RMBS	$	10,013	$	17,113	$	6,747	$	23,860	0.84	%	34.84	%	3.50	$	22,826
Total: GAAP Investment Portfolio	$	6,644,351	$	6,571,448	$	(383,751)	$	6,187,697	5.35	%	5.98	%	9.02	$	5,905,036

(1)Refer to Note 10 to the "Notes of the Consolidated Financial Statements (unaudited)" for more detail on what is included in our "Investments in debt and equity of affiliates" line item on our consolidated balance sheets. Our assets held through Investments in debt and equity of affiliates are included in the "MATT Non-QM Securities" and "Re/Non-Performing Securities" line items above.

(2)Equity residuals with a zero coupon rate are excluded from this calculation.

(3)Weighted average life is based on projected life. Typically, actual maturities are shorter than stated contractual maturities. Maturities are affected by the contractual lives of the underlying mortgages, periodic payments of principal, and prepayments of principal.

(4)Securitized Non-Agency Loans include loans that were considered to be Agency-Eligible prior to our securitization.

(5)GCAT Non-Agency RMBS are securities issued under Gold Creek Asset Trust ("GCAT"), which is the TPG Angelo Gordon securitization shelf under which we or private funds under the management of TPG Angelo Gordon securitize loans.

(6)Interest Only have no principal balances and bear interest based on a notional value. The notional value is used solely to determine interest distributions on the interest only classes of securities. The GCAT Non-Agency RMBS Interest Only, MATT Non-QM Securities, Re/Non-Performing Securities, Non-Agency RMBS Interest Only, and Agency RMBS Interest Only line items include interest only classes with notional values of $93.9 million, $302.5 million, $23.2 million, $30.6 million, and $114.8 million, respectively.

(7)We expect to either hold the Legacy WMC Commercial Investments until maturity or opportunistically exit these investments.

(8)Other securities include residual interests in asset-backed securities which have no principal balance.

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Securitized Non-Agency Loans

As noted above, our investment activities primarily include acquiring and securitizing newly-originated residential mortgage loans. These securitization trusts ("Non-Agency VIEs") are collateralized by Non-Agency and Agency-Eligible Loans.

In each securitization transaction, we transfer a pool of loans to a wholly-owned subsidiary and the loans are deposited into a newly created securitization trust. The securitization trust issues various classes of mortgage pass-through certificates backed by the cash flows from the underlying residential mortgage loans (the "Certificates"). When we sponsor a residential mortgage loan securitization, we are generally required to retain at least 5% of the fair value of the Certificates issued in the securitization ("Risk Retention Rules"). We can retain either an "eligible vertical interest" (which consists of at least 5% of each class of securities issued in the securitization), an "eligible horizontal residual interest" (which is the most subordinate class of securities with a fair value of at least 5% of the aggregate credit risk) or a combination of both totaling 5% (the "Required Credit Risk"). In order to comply with the Risk Retention Rules in each securitization transaction, we generally purchase the most subordinated classes of Certificates and the excess cash flow Certificates. We also purchase the Certificates entitled to excess servicing fees and may purchase other Certificates issued by the securitization trust, while typically selling the senior classes of Certificates to unrelated third parties.

If we are determined to be the primary beneficiary of these securitization transactions, we consolidate the respective VIE created to facilitate the transaction and record "Securitized residential mortgage loans" and "Securitized debt" on the consolidated balance sheets in accordance with U.S. GAAP. However, as noted above, our equity at risk represents certain Certificates from each securitization which we retain.

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The following table summarizes our Securitized residential mortgage loans and Securitized debt, as well as the economic interest on retained Certificates related to our Non-Agency VIEs (in thousands).

	March 31, 2024
	Unpaid Principal Balance		Fair Value
Securitized residential mortgage loans in Non-Agency VIEs	$	5,854,878	$	5,467,555
Securitized debt in Non-Agency VIEs (1)	5,311,289		4,871,205
Other assets (2)	N/A		1,007
Retained Certificates from Non-Agency VIEs (3)(4)(5)(6)			$	597,357
Retained interests in Non-Agency VIEs	Current Face		Fair Value
Senior Bonds	$	30,822	$	30,630
Mezzanine Bonds	23,348		21,506
Subordinate Bonds	489,583		347,864
Interest Only / Excess Servicing Bonds (1)(7)	N/A		197,357
Retained Certificates from Non-Agency VIEs (3)(4)(5)(6)			$	597,357
Financing arrangements on retained Certificates from Non-Agency VIEs			315,007
Retained Certificates from Non-Agency VIEs, net of financing arrangements			$	282,350

(1)Interest Only have no principal balances and bear interest based on a notional value. The notional value is used solely to determine interest distributions on the interest only classes of securities. As of March 31, 2024, the Securitized debt in Non-Agency VIEs line item includes interest only classes with notional values of $131.3 million. As of March 31, 2024, the notional values of Interest Only / Excess Servicing Bonds was $11.8 billion.

(2)Represents the fair value of real estate owned within Non-Agency VIEs. We record real estate owned at the lower of cost or fair value less estimated costs to sell. As of March 31, 2024, we recorded real estate owned within our Non-Agency VIEs at $0.9 million.     

(3)Maximum loss exposure from our involvement with VIEs pertains to the fair value of the Certificates retained from the VIEs. We have no obligation to provide any other explicit or implicit support to the securitization trusts.

(4)As of March 31, 2024, our equity at risk included bonds with a fair value of $405.0 million held in order to comply with Risk Retention Rules. We are generally required to hold the Required Credit Risk until the later of (i) the fifth anniversary of the securitization closing date and (ii) the date on which the aggregate unpaid principal balance of the mortgage loans has been reduced to 25% of the aggregate unpaid principal balance of the mortgage loans as of the securitization closing date, but no longer than the seventh anniversary of the closing date.

(5)As of March 31, 2024, a portion of our equity at risk included bonds exposed to the first loss of the securitization with a fair value of $119.7 million.

(6)Excludes net other asset/(liabilities) held within the VIEs of $7.2 million as of March 31, 2024.

(7)As the sponsor and depositor of each securitization, we may purchase all of the outstanding Certificates (an "Optional Redemption") following the earlier of (1) an applicable anniversary date (typically two or three years) of the respective securitization or (2) the date at which the unpaid principal balance of the applicable collateral has declined below a certain percentage (typically 10% to 30%) of the principal balance originally contributed to the securitization. As of March 31, 2024, there were three securitizations with an unpaid principal balance of $0.4 billion that met the criteria for an Optional Redemption.

Residential mortgage loans

See Note 3 to the "Notes to Consolidated Financial Statements (unaudited)" for information on credit quality and a breakout of geographic concentration of credit risk within loans we include in the "Securitized residential mortgage loans, at fair value" and "Residential mortgage loans, at fair value" line items on our consolidated balance sheets.

Legacy WMC Commercial loans

See Note 3 to the "Notes to Consolidated Financial Statements (unaudited)" for information on the geographic concentration, collateral characteristics, LTV, and maturities of the loans we include in the "Commercial loans, at fair value" line item on our consolidated balance sheets.

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Non-Agency RMBS and Legacy WMC CMBS & Other Securities

The following table presents the fair value of our Non-Agency RMBS and Legacy WMC CMBS and Other Securities by credit rating as of March 31, 2024 (in thousands).

			Legacy WMC
Credit Rating (1)	Non-Agency RMBS		CMBS		Other Securities
AAA	$	180	$	—	$	—
A	2,786		—		—
BBB	14,579		4,505		—
BB	16,804		—		—
B	9,341		20,364		—
Below B	—		11,174		—
Not Rated	53,646		18,346		1,220
Total: Non-Agency RMBS	$	97,336	$	54,389	$	1,220
Less: Investments in Debt and Equity of Affiliates	$	23,860	$	—	$	—
Total: GAAP Basis	$	73,476	$	54,389	$	1,220

(1)Represents the minimum rating for rated assets of S&P, Moody's, Morningstar, and Fitch credit ratings, stated in terms of the S&P equivalent.

The following table presents certain characteristics of our Non-Agency RMBS and Legacy WMC CMBS portfolio as of March 31, 2024 (in thousands).

Instrument	Current Face		Fair Value		Weighted Average Life (Years) (1)
Non-Agency RMBS
Non-QM Loans (2)	$	54,013	$	60,439	4.76
Re- and Non-Performing Loans (2)	5,516		7,337		0.64
Prime (2)	26,165		19,134		10.56
Credit Risk Transfer	9,043		10,426		4.48
Total Non-Agency RMBS	$	94,737	$	97,336	5.14
Legacy WMC CMBS
Single-Asset/Single-Borrower - Fixed Rate	$	53,900	$	25,503	2.71
Single-Asset/Single-Borrower - Floating Rate	34,450		19,278		1.16
Conduit - Fixed Rate	15,049		9,608		3.33
Total Legacy WMC CMBS	$	103,399	$	54,389	2.28

(1)Weighted average life is based on projected life. Typically, actual maturities are shorter than stated contractual maturities. Maturities are affected by the contractual lives of the underlying mortgages, periodic payments of principal, and prepayments of principal.

(2)The current face on our Non-Agency RMBS excludes interest only classes which have no principal balances and bear interest based on a notional value. The notional value is used solely to determine interest distributions on the interest only classes of securities. As of March 31, 2024, the notional value of interest only classes included in the Non-QM Loans, Re-and Non-Performing Loans, and Prime line items was $396.4 million, $23.2 million, and $30.6 million, respectively.

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The following table presents the geographic concentration of the underlying collateral for our Non-Agency RMBS and Legacy WMC CMBS portfolios as of March 31, 2024 ($ in thousands).

Non-Agency RMBS					Legacy WMC CMBS
Geographic Location	Concentration		Fair Value		Geographic Location	Concentration		Fair Value
California	43.4	%	$	42,215	California	31.4	%	$	17,104
New York	15.5	%	15,058		Bahamas	27.6	%	15,013
Florida	4.8	%	4,697		Minnesota	8.9	%	4,861
New Jersey	2.4	%	2,376		New York	7.2	%	3,911
Texas	2.4	%	2,296		Florida	3.6	%	1,980
Other	31.5	%	30,694		Other	21.3	%	11,520
Total	100.0	%	$	97,336	Total	100.0	%	$	54,389

Agency RMBS

Although our investment activities primarily include acquiring and securitizing newly-originated residential mortgage loans, from time to time we invest excess liquidity into Agency RMBS. The following table presents the fair value and the Constant Prepayment Rate ("CPR") experienced on our Agency RMBS portfolio as of March 31, 2024 ($ in thousands).

	Fair Value		CPR (1)
30 Year Fixed Rate	$	121,720	(0.1)	%
Agency RMBS Interest Only	21,063		1.2	%
Total/Weighted Average	$	142,783	0.3	%

(1)Represents the weighted average monthly CPRs published during the period for our in-place portfolio.

Financing activities

In December 2023, through our acquisition of WMC, we assumed liabilities of $1.1 billion, which primarily consisted of securitized debt, financing arrangements, and convertible senior unsecured notes. For more information on the acquisition of WMC, refer to "WMC Acquisition" above and the section entitled "WMC Acquisition" in Note 1 to the "Notes to Consolidated Financial Statements (unaudited)."

Financing Arrangements

We use leverage to finance the purchase of our investment portfolio. Our leverage has primarily been in the form of repurchase agreements and similar financing arrangements (which we refer to collectively as financing arrangements), and securitized debt.

Repurchase agreements involve the sale and a simultaneous agreement to repurchase the transferred assets or similar assets at a future date. The amount borrowed generally is equal to the fair value of the assets pledged less an agreed-upon discount, referred to as a "haircut." The size of the haircut reflects the perceived risk associated with the pledged asset. Haircuts may change as our financing arrangements mature or roll and are sensitive to governmental regulations. Interest rates for our financing arrangements are determined based on prevailing rates (typically a spread over a base rate) corresponding to the terms of the borrowings, and interest is paid on a monthly basis or, for shorter term arrangements, at the end of the term. Repurchase agreements typically have a term of up to one year for loans and a term of 30 to 90 days for securities. Repurchase agreements are generally mark-to-market with respect to margin calls and recourse to us. We had outstanding financing arrangements with six and seven counterparties as of March 31, 2024 and December 31, 2023, respectively.

Our financing arrangements generally include customary representations, warranties, and covenants, but may also contain more restrictive supplemental terms and conditions. Although specific to each financing arrangement, typical supplemental terms include requirements of minimum equity and liquidity, leverage ratios, and performance triggers. In addition, some of the financing arrangements contain cross default features, whereby default under an agreement with one lender simultaneously causes default under agreements with other lenders. To the extent that we fail to comply with the covenants contained in these financing arrangements or is otherwise found to be in default under the terms of such agreements, the counterparty has the right to accelerate amounts due under the associated agreement. As of March 31, 2024, we are in compliance with all of our financial covenants.

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We also use securitized debt to finance our loan portfolio. Securitized debt is generally non-mark-to-market with respect to margin calls and non-recourse to us.

Legacy WMC Convertible Notes

Through our acquisition of WMC, we assumed the Legacy WMC Convertible Notes. See Note 6 to the "Notes to Consolidated Financial Statements (unaudited)" for additional information on the Legacy WMC Convertible Notes.

Senior Unsecured Notes

On January 26, 2024, we issued $34.5 million principal amount of 9.500% senior notes due 2029. See Note 6 to the "Notes to Consolidated Financial Statements (unaudited)" for additional information on the Senior Unsecured Notes.

Recourse and non-recourse financing

The below table provides detail on the breakout between recourse and non-recourse financing as of March 31, 2024 and December 31, 2023 (in thousands).

	March 31, 2024		December 31, 2023
Recourse financing - Financing arrangements, including those in Investments in Debt and Equity of Affiliates	$	677,908	$	708,225
Recourse Financing - Legacy WMC Convertible Notes	78,530		85,266
Recourse Financing - Senior Unsecured Notes	32,810		—
Non-recourse financing - Securitized debt, at fair value	4,980,942		4,711,623
Non-recourse financing - Financing arrangements	59,676		62,972
Total Financing	5,829,866		5,568,086
Less:
Recourse financing - Financing arrangements included in Investments in Debt and Equity of Affiliates	3,583		3,605
Total Financing in Investments in Debt and Equity of Affiliates	3,583		3,605
Total Financing: GAAP Basis	$	5,826,283	$	5,564,481

Leverage

We use leverage to increase potential returns to our stockholders and to fund the acquisition of our investment portfolio. Our financing strategy is designed to increase the size of our investment portfolio by borrowing against the fair value of the assets in our portfolio. When acquiring residential mortgage loans and other assets, we finance our investments using repurchase agreements or similar financing arrangements, which we refer to collectively as "financing arrangements." Upon accumulating a targeted amount of residential mortgage loans, we finance these assets utilizing long-term, non-recourse, non-mark-to-market securitizations as market conditions permit. Financing arrangements are generally recourse to the Company whereas securitized debt used to finance our Non-Agency VIEs and RPL/NPL VIEs is generally non-recourse to the Company. In addition to disclosing GAAP leverage, we also disclose Economic Leverage, which excludes non-recourse financing. Management believes that this non-GAAP measure, when considered with our GAAP financial statements, provides supplemental information useful for investors to help evaluate our use of leverage and the related risk associated with our leverage profile. Our presentation of Economic Leverage may not be comparable to similarly-titled measures of other companies, who may use different calculations. This non-GAAP measure should not be considered a substitute for, or superior to, GAAP leverage calculated in accordance with GAAP. Our GAAP financial results and the reconciliations from these results should be carefully evaluated.

We define GAAP leverage as the sum of (1) GAAP Securitized debt, at fair value, (2) GAAP Financing arrangements, net of any restricted cash posted on such financing arrangements, (3) Convertible senior unsecured notes, (4) Senior unsecured notes, and (5) the amount payable on purchases that have not yet settled less the financing remaining on sales that have not yet settled. We define Economic Leverage, a non-GAAP metric, as the sum of: (i) our GAAP leverage, exclusive of any fully non-recourse financing arrangements, (ii) financing arrangements held through affiliated entities, net of any restricted cash posted on such financing arrangements, exclusive of any financing utilized through AG Arc, any adjustment related to unsettled trades as

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described in (4) in the previous sentence, and any non-recourse financing arrangements and (iii) our net TBA position (at cost), if any.

The calculations in the tables below divide GAAP leverage and Economic Leverage by our GAAP stockholders’ equity to derive our leverage ratios. The following tables present a reconciliation of our Economic Leverage ratio to GAAP Leverage ($ in thousands).

March 31, 2024	Leverage		Stockholders’ Equity		Leverage Ratio
Securitized debt, at fair value	$	4,980,942
GAAP Financing arrangements	734,001
Convertible senior unsecured notes	78,530
Senior unsecured notes	32,810
Restricted cash posted on financing arrangements	(2,109)
GAAP Leverage	$	5,824,174	$	539,565	10.8x
Financing arrangements through affiliated entities	3,583
Non-recourse financing arrangements (1)	(5,040,618)
Net TBA (receivable)/payable adjustment	(32,552)
Economic Leverage	$	754,587	$	539,565	1.4x

(1) Non-recourse financing arrangements include securitized debt and other non-recourse financing arrangements.

December 31, 2023	Leverage		Stockholders' Equity		Leverage Ratio
Securitized debt, at fair value	$	4,711,623
GAAP Financing arrangements	767,592
Convertible senior unsecured notes	85,266
Restricted cash posted on financing arrangements	(1,696)
GAAP Leverage	$	5,562,785	$	528,368	10.5x
Financing arrangements through affiliated entities	3,605
Non-recourse financing arrangements (1)	(4,774,595)
Net TBA (receivable)/payable adjustment	(9,163)
Economic Leverage	$	782,632	$	528,368	1.5x

(1) Non-recourse financing arrangements include securitized debt and other non-recourse financing arrangements.

Hedging activities

Subject to maintaining our qualification as a REIT and our Investment Company Act exemption, to the extent leverage is deployed, we may utilize derivative instruments in an effort to hedge the interest rate risk associated with the financing of our portfolio. Specifically, we may seek to hedge our exposure to potential interest rate mismatches between the interest we earn on our investments and our borrowing costs caused by fluctuations in short-term interest rates. We may utilize interest rate swaps, swaption agreements, and other financial instruments such as short positions in to-be-announced securities. In utilizing leverage and interest rate derivatives, our objectives are to improve risk-adjusted returns and, where possible, to lock in, on a long-term basis, a spread between the yield on our assets and the costs of our financing and hedging. Derivatives have not been designated as hedging instruments for GAAP. See Note 7 in the "Notes to Consolidated Financial Statements (unaudited)" for more information.

Dividends

Federal income tax law generally requires that a REIT distribute annually at least 90% of its REIT ordinary taxable income, without regard to the deduction for dividends paid and excluding net capital gains and that it pay tax at regular corporate rates to the extent that it annually distributes less than 100% of its net taxable income. Before we pay any dividend, whether for U.S. federal income tax purposes or otherwise, we must first meet both our operating requirements and debt service on our financing arrangements and other debt payable. If our cash available for distribution is less than our net taxable income, we could be required to sell assets or borrow funds to make required cash distributions or we may make a portion of the required distribution in the form of a taxable stock distribution or distribution of debt securities.

As described above, our distribution requirements are based on taxable income rather than GAAP net income. Differences

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between taxable income and GAAP net income include (i) unrealized gains and losses associated with investment and derivative portfolios which are marked-to-market in current income for GAAP purposes, but excluded from taxable income until realized or settled, (ii) temporary differences related to amortization of premiums and discounts paid on investments, (iii) the timing and amount of deductions related to stock-based compensation, (iv) temporary differences related to the recognition of realized gains and losses on sold investments and certain terminated derivatives, (v) taxes, and (vi) differences between GAAP income or losses in our TRSs’ and taxable income resulting from dividend distributions to the REIT from our TRSs'. Undistributed taxable income is based on current estimates and is not finalized until we file our annual tax return for that tax year, typically in October of the following year. We did not have any undistributed taxable income as of March 31, 2024.

During the three months ended March 31, 2024, the Company declared common stock dividends of $0.18. During the same period, the Company declared and paid preferred stock dividends on its 8.25% Series A Preferred Stock, 8.00% Series B Preferred Stock, and 8.000% Series C Preferred Stock of $0.51563, $0.50, and $0.50, respectively.

Liquidity and capital resources

Our liquidity determines our ability to meet our cash obligations, including distributions to our stockholders, payment of our expenses, financing our investments and satisfying other general business needs.

Our principal sources of cash consist of borrowings under financing arrangements, principal and interest payments we receive on our investment portfolio, cash generated from our operating results, and proceeds from capital market transactions. We typically use cash to repay principal and interest on our financing arrangements, to purchase loans, real estate securities, and other real estate related assets, to make dividend payments on our capital stock, to repurchase our capital stock, and to fund our operations. We may also generate liquidity when restricted cash that was pledged as collateral for clearing and executing trades, derivatives, and financing arrangements becomes unrestricted when the related collateral requirements are exceeded or at the maturity of the derivative or financing arrangement. Refer to "—Margin requirements" below discussing instances where we may use liquidity to meet margin requirements. At March 31, 2024, we had $140.3 million of liquidity, which consisted of $100.3 million of cash and cash equivalents and $40.0 million of unencumbered Agency RMBS available to support our liquidity needs. Refer to the "Contractual obligations" section of this Item 2 for additional obligations that could impact our liquidity.

Margin requirements

The fair value of our loans and real estate securities fluctuate according to market conditions. When the fair value of the assets pledged as collateral to secure a financing arrangement decreases to the point where the difference between the collateral fair value and the financing arrangement amount is less than the haircut, our lenders may issue a "margin call," which requires us to post additional collateral to the lender in the form of additional assets or cash. Under our repurchase facilities, our lenders have full discretion to determine the fair value of the securities we pledge to them. Our lenders typically value assets based on recent transactions in the market. Lenders also issue margin calls as the published current principal balance factors change on the pool of mortgages underlying the securities pledged as collateral when scheduled and unscheduled paydowns are announced monthly. We experience margin calls in the ordinary course of our business. In seeking to effectively manage the margin requirements established by our lenders, we maintain a position of cash and, when owned, unpledged Agency RMBS. We refer to this position as our "liquidity." The level of liquidity we have available to meet margin calls is directly affected by our leverage levels, our haircuts and the price changes on our assets. Typically, if interest rates increase or if credit spreads widen, then the prices of our collateral (and our unpledged assets that constitute our liquidity) will decline, we will experience margin calls, and we will need to use our liquidity to meet the margin calls. There can be no assurance that we will maintain sufficient levels of liquidity to meet any margin calls. If our haircuts increase, our liquidity will proportionately decrease. In addition, if we increase our borrowings, our liquidity will decrease by the amount of additional haircut on the increased level of indebtedness. We intend to maintain a level of liquidity in relation to our assets that enables us to meet reasonably anticipated margin calls but that also allows us to be substantially invested in the residential mortgage market. We may misjudge the appropriate amount of our liquidity by maintaining excessive liquidity, which would lower our investment returns, or by maintaining insufficient liquidity, which may force us to liquidate assets into potentially unfavorable market conditions and harm our results of operations and financial condition. Further, an unexpected rise in interest rates and a corresponding fall in the fair value of our securities may also force us to liquidate assets under difficult market conditions, thereby harming our results of operations and financial condition, in an effort to maintain sufficient liquidity to meet increased margin calls.

Similar to the margin calls that we receive on our borrowing agreements, we may also receive margin calls on our derivative instruments when their fair value declines. This typically occurs when prevailing market rates change adversely, with the severity of the change also dependent on the terms of the derivatives involved. We may also receive margin calls on our derivatives based on the implied volatility of interest rates. Our posting of collateral with our counterparties can be done in cash or assets, and is generally bilateral, which means that if the fair value of our interest rate hedges increases, our counterparty will

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be required to post collateral with us. Refer to the "Liquidity risk – derivatives" section of Item 3 below for a further discussion on margin.

Cash flows

The below details changes to our cash, cash equivalents, and restricted cash for the three months ended March 31, 2024 and 2023 ($ in thousands).

	Three Months Ended
	March 31, 2024		March 31, 2023		Change
Cash and cash equivalents and restricted cash, Beginning of Period	$	125,573	$	98,803	$	26,770
Net cash provided by (used in) operating activities (1)	11,972		6,529		5,443
Net cash provided by (used in) investing activities (2)	(248,231)		(157,222)		(91,009)
Net cash provided by (used in) financing activities (3)	227,320		154,312		73,008
Net change in cash and cash equivalents and restricted cash	(8,939)		3,619		(12,558)
Cash and cash equivalents and restricted cash, End of Period	$	116,634	$	102,422	$	14,212

(1)Cash provided by operating activities is primarily attributable to net interest income less operating expenses for the three months ended March 31, 2024.

(2)Cash used in investing activities for the three months ended March 31, 2024 was primarily attributable to purchases of investments, offset by principal repayments on investments and sales of investments.

(3)Cash provided by financing activities for the three months ended March 31, 2024 was primarily attributable to proceeds from the issuance of securitized debt and our Senior Unsecured Notes, offset by principal repayments on securitized debt, net repayments of financing arrangements, repurchases of the Convertible Senior Unsecured Notes, and dividend payments.

Stock repurchase programs

On August 3, 2022, our Board of Directors authorized a stock repurchase program (the "2022 Repurchase Program") to repurchase up to $15.0 million of our outstanding common stock. The 2022 Repurchase Program does not have an expiration date and permits us to repurchase our shares through various methods, including open market repurchases, privately negotiated block transactions and Rule 10b5-1 plans. We may repurchase shares of our common stock from time to time in compliance with SEC regulations and other legal requirements. The extent to which we repurchase our shares, and the timing, manner, price, and amount of any such repurchases, will depend upon a variety of factors including market conditions and other corporate considerations as determined by management, as well as the limits of the 2022 Repurchase Program and our liquidity and business strategy. The 2022 Repurchase Program does not obligate us to acquire any particular amount of shares and may be modified or discontinued at any time. As of the date of this filing, approximately $1.5 million of common stock remained authorized for future share repurchases under the 2022 Repurchase Program. See Note 11 in the "Notes to Consolidated Financial Statements (unaudited)" for additional details on the shares repurchased under the 2022 Repurchase Program during the three months ended March 31, 2024 and 2023.

On May 4, 2023, our Board of Directors authorized a stock repurchase program (the "2023 Repurchase Program") to repurchase up to $15.0 million of our outstanding common stock on substantially the same terms as the 2022 Repurchase Program. As of the date of this filing, the full $15.0 million authorized amount remains available for repurchase under the 2023 Repurchase Program. This authorization is in addition to the amount remaining under the 2022 Repurchase Program.

On February 22, 2021, our Board of Directors authorized a stock repurchase program (the "Preferred Repurchase Program") pursuant to which our Board of Directors granted a repurchase authorization to acquire shares of our Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock having an aggregate value of up to $20.0 million. No share repurchases under the Preferred Repurchase Program have been made since its authorization.

Shares of stock repurchased by us under any repurchase program, if any, will be cancelled and, until reissued by us, will be deemed to be authorized but unissued shares of its stock as required by Maryland law. The cost of the acquisition by us of shares of our own stock in excess of the aggregate par value of the shares first reduces additional paid-in capital, to the extent available, with any residual cost applied against retained earnings.

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Equity distribution agreements

On May 5, 2017, we entered into an equity distribution agreement with each of Credit Suisse Securities (USA) LLC and JMP Securities LLC (collectively, the "Sales Agents"), which we refer to as the "Equity Distribution Agreements," pursuant to which we may sell up to $100.0 million aggregate offering price of shares of our common stock from time to time through the Sales Agents, under the Securities Act of 1933. We did not issue any shares of common stock under the Equity Distribution Agreements during the three months ended March 31, 2024. Since inception of the program, we have issued approximately 2.2 million shares of common stock under the Equity Distribution Agreements for gross proceeds of $48.3 million.

Forward-looking statements regarding liquidity

Based upon our current portfolio, leverage and available borrowing arrangements, we believe the net proceeds of our common equity offerings, preferred equity offerings, senior unsecured note issuances, and private placements, combined with cash flow from operating activities, financing activities, and our available borrowing capacity will be sufficient to enable us to meet our anticipated liquidity requirements, including funding our investment activities, paying fees under our management agreement, funding our distributions to stockholders, funding financing maturities, and paying general corporate expenses.

Contractual obligations

Management agreement

The management agreement, as amended, provides for payment to the Manager of a management fee, an incentive fee, and reimbursements of certain expenses incurred by the Manager or its affiliates on behalf of us. Pursuant to our management agreement, the closing of the TPG Transaction resulted in an assignment of the management agreement. Our independent directors unanimously consented to such assignment on July 31, 2023 in advance of the TPG Transaction closing. There were no changes to the management agreement in connection with the TPG Transaction and the assignment of the management agreement became effective upon the closing of the TPG Transaction.

In connection with the Merger with WMC, which was completed on December 6, 2023, and contemporaneously with the execution of the Merger Agreement, on August 8, 2023, we and our Manager entered into the MITT Management Agreement Amendment, pursuant to which (i) our Manager’s base management fee will be reduced by $0.6 million for the first four quarters following the Effective Time, beginning with the fiscal quarter in which the Effective Time occurs (i.e., resulting in an aggregate $2.4 million waiver of base management fees), and (ii) our Manager will waive its right to seek reimbursement from us for any expenses otherwise reimbursable by us under the management agreement in an amount equal to approximately $1.3 million, which is the excess of $7.0 million over the aggregate Per Share Additional Merger Consideration paid by our Manager to the holders of WMC Common Stock under the Merger Agreement. The MITT Management Agreement Amendment became effective automatically upon the closing of the Merger.

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Management fee

The management fee is calculated and payable quarterly in arrears in an amount equal to 1.50% of our Stockholders’ Equity, per annum. For purposes of calculating the management fee, "Stockholders’ Equity" means the sum of the net proceeds from any issuances of equity securities (including preferred securities) since inception (allocated on a pro rata daily basis for such issuances during the fiscal quarter of any such issuance, and excluding any future equity issuance to the Manager), plus our retained earnings at the end of such quarter (without taking into account any non-cash equity compensation expense or other non-cash items described below incurred in current or prior periods), less any amount that we pay for repurchases of our common stock, excluding any unrealized gains, losses or other non-cash items that have impacted stockholders’ equity as reported in our financial statements prepared in accordance with GAAP, regardless of whether such items are included in other comprehensive income or loss, or in net income, and excluding one-time events pursuant to changes in GAAP, and certain other non-cash charges after discussions between the Manager and our independent directors and after approval by a majority of our independent directors. Stockholders’ Equity, for purposes of calculating the management fee, could be greater or less than the amount of stockholders’ equity shown on our financial statements. The below table details the management fees incurred during the three months ended March 31, 2024 and 2023 (in thousands).

	Three Months Ended
Consolidated statements of operations line item:	March 31, 2024		March 31, 2023
Management fee to affiliate (1)	$	1,741	$	2,075

(1)For the three months ended March 31, 2024, the Manager agreed to waive its right to receive management fees of $0.6 million pursuant to the MITT Management Agreement Amendment executed in connection with the Merger.

As of March 31, 2024 and December 31, 2023, we have recorded management fees payable of $1.7 million and $1.5 million, respectively. The management fee payable is included within the "Due to affiliates" line item within the "Other liabilities" line item on the consolidated balance sheets.

Incentive fee

The Manager is entitled to an annual incentive fee with respect to each applicable fiscal year, which will be equal to 15% of the amount by which our cumulative adjusted net income from November 22, 2021 exceeds the cumulative hurdle amount, which represents an 8% return (cumulative, but not compounding) on an equity hurdle base consisting of the sum of (i) $341.5 million and (ii) the gross proceeds of any subsequent public or private common stock offerings by us. The annual incentive fee will be payable in cash, or, at the option of our Board of Directors, shares of common stock or a combination of cash and shares.

During the three months ended March 31, 2024 and 2023, we did not incur any incentive fee expense.

Termination fee

Upon the occurrence of (i) our termination of the management agreement without cause or (ii) the Manager’s termination of the management agreement upon a breach by the Company of any material term of the management agreement, the Manager will be entitled to a termination fee equal to three times the average annual management fee during the 24-month period prior to such termination, calculated as of the end of the most recently completed fiscal quarter. As of March 31, 2024 and December 31, 2023, no event of termination of the management agreement had occurred.

Expense reimbursement

Our Manager uses the proceeds from its management fee in part to pay compensation to its officers and personnel, who, notwithstanding that certain of them also are our officers, receive no compensation directly from us. We are required to reimburse our Manager or its affiliates for operating expenses incurred by our Manager or its affiliates on our behalf, including certain salary expenses and other expenses relating to legal, accounting, due diligence and other services. Our reimbursement obligation is not subject to any dollar limitation; however, reimbursements are subject to an annual budget process which combines guidelines from the management agreement with oversight by our Board of Directors and discussions with our Manager.

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The below table details the expense reimbursement incurred during the three months ended March 31, 2024 and 2023 (in thousands).

	Three Months Ended
Consolidated statements of operations line item:	March 31, 2024		March 31, 2023
Non-investment related expenses (1)	$	1,664	$	1,400
Investment related expenses	114		102
Transaction related expenses	68		63
Expense reimbursements to Manager or its affiliates	$	1,846	$	1,565

(1)For the three months ended March 31, 2024, the Manager agreed to waive its right to receive expense reimbursements of $0.3 million pursuant to the MITT Management Agreement Amendment executed in connection with the Merger.

As of March 31, 2024 and December 31, 2023, we recorded a reimbursement payable to our Manager or its affiliates of $1.8 million and $1.5 million, respectively The reimbursement payable to the Manager or its affiliates is included within the "Due to affiliates" line item within the "Other liabilities" line item on the consolidated balance sheets.

Share-based compensation

The AG Mortgage Investment Trust, Inc. 2020 Equity Incentive Plan, which became effective on April 15, 2020 following the approval of our stockholders at our 2020 annual meeting of stockholders, provides for a maximum of 666,666 shares of common stock that may be issued under the plan. The maximum number of shares of common stock granted during a single fiscal year to any non-employee director, taken together with any cash fees paid to such non-employee director during any fiscal year, shall not exceed $300,000 in total value (calculating the value of any such awards based on the grant date fair value). As of March 31, 2024, 448,397 shares of common stock were available to be awarded under the 2020 Equity Incentive Plan.

Since inception of the 2020 Equity Incentive Plan and through March 31, 2024, we have granted an aggregate of 192,101 shares of restricted common stock to our independent directors under our 2020 Equity Incentive Plan, all of which have vested.

On December 6, 2023, in connection with the WMC acquisition, we granted an aggregate 25,962 restricted stock units to the two independent directors added to our Board of Directors who previously served on WMC's board of directors. Through March 31, 2024, the two independent directors have also been granted an aggregate of 206 dividend equivalent units.These restricted stock units and associated dividend equivalent units will vest in full on June 23, 2024, and will be settled in shares of our common stock upon each of the independent director's separation from service with our Board of Directors.

The AG Mortgage Investment Trust, Inc. 2021 Manager Equity Incentive Plan (the "2021 Manager Plan"), which became effective on April 7, 2021 following the approval of our stockholders at our 2021 annual meeting of stockholders, provides for a maximum of 573,425 shares of common stock that may be subject to awards thereunder to our Manager. As of March 31, 2024, there were no shares or awards issued under the 2021 Manager Plan. Following the execution of the Third Amendment to our management agreement in November 2021 related to the incentive fee, our compensation committee no longer expects to continue its historical practice of making periodic equity grants to the Manager pursuant to the 2021 Manager Equity Incentive Plan.

Unfunded commitments

See Note 12 of the "Notes to Consolidated Financial Statements (unaudited)" for detail on our commitments as of March 31, 2024.

Off-balance sheet arrangements

Our investments in debt and equity of affiliates primarily consist of real estate securities and our interest in AG Arc. Investments in debt and equity of affiliates are accounted for using the equity method of accounting. Certain of our investments in debt and equity of affiliates securitize residential mortgage loans and retain interests in the subordinated tranches of the transferred assets. These retained interests are included in the MATT Non-QM Securities and Re/Non-Performing Securities line items of our investment portfolio. See Note 10 to the "Notes to Consolidated Financial Statements (unaudited)" for a discussion of investments in debt and equity of affiliates.

We record TBA purchases and sales on the trade date and present the purchase or receipt net of the corresponding payable or receivable until the settlement date of the transaction. Refer to Note 7 to the "Notes to Consolidated Financial Statements (unaudited)" for additional detail on TBAs as of March 31, 2024, if applicable.

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For additional information on our commitments as of March 31, 2024, refer to Note 12 of the "Notes to Consolidated Financial Statements (unaudited)." We do not expect these commitments, taken as a whole, to be significant to, or to have a material impact on, our overall liquidity or capital resources or our operations.

Critical accounting policies and estimates

We prepare our consolidated financial statements in conformity with GAAP, which requires the use of estimates and assumptions that affect reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the amounts of income and expenses during the reporting period. These estimates are based, in part, on our judgment and assumptions regarding various economic conditions that we believe are reasonable based on facts and circumstances existing at the time of reporting. We believe that the estimates, judgments and assumptions utilized in the preparation of our consolidated financial statements are prudent and reasonable. Although our estimates contemplate conditions as of March 31, 2024 and how we expect them to change in the future, it is reasonably possible that actual conditions could be different than anticipated in arriving at those estimates, which could materially affect reported amounts of assets and liabilities at the date of the consolidated financial statements and the reported amounts of income and expenses during the periods presented.

Our most critical accounting policies include (i) Valuation of financial instruments, (ii) Accounting for loans, (iii) Accounting for real estate securities, (iv) Interest income recognition, (v) Financing arrangements, (vi) Investment consolidation, and (vii) Accounting for business combinations. Our critical accounting estimates are those which require assumptions to be made about matters that are highly uncertain and include (i), (iv), and (vi) above. A discussion of critical accounting policies and estimates is included in our Form 10-K. Our critical accounting policies and estimates have not materially changed since December 31, 2023.

REIT Qualification

We have elected to be treated as a REIT under Sections 856 through 859 of the Internal Revenue Code of 1986, as amended (the "Code"). Our qualification as a REIT depends upon our ability to meet on a continuing basis, through actual investment and operating results, various complex requirements under the Code relating to, among other things, the sources of our gross income, the composition and values of our assets, our distribution levels and the diversity of ownership of our shares. We believe that we are organized in conformity with the requirements for qualification and taxation as a REIT under the Code, and that our manner of operation enables us to meet the requirements for qualification and taxation as a REIT.

We generally need to distribute at least 90% of our ordinary taxable income each year (subject to certain adjustments) to our stockholders in order to qualify as a REIT under the Code. Our ability to make distributions to our stockholders depends, in part, upon the performance of our investment portfolio.

As a REIT, we generally are not subject to U.S. federal income tax on our REIT taxable income that we distribute currently to our stockholders. If we fail to qualify as a REIT in any taxable year and do not qualify for certain statutory relief provisions, we will be subject to U.S. federal income tax at regular corporate rates and may be precluded from qualifying as a REIT for the subsequent four taxable years following the year during which we lost our REIT qualification. Accordingly, our failure to qualify as a REIT could have a material adverse impact on our results of operations and our ability to pay distributions, if any, to our stockholders. Even if we qualify for taxation as a REIT, we may be subject to some U.S. federal, state and local taxes on our income or property. In addition, any income earned by a domestic taxable REIT subsidiary, or TRS, will be subject to corporate income taxation.

Investment Company Act Exemption

We conduct our operations so that we are not considered an investment company under Section 3(a)(1)(C) of the Investment Company Act. Under Section 3(a)(1)(C) of the Investment Company Act, a company is deemed to be an investment company if it is engaged, or proposes to engage, in the business of investing, reinvesting, owning, holding or trading in securities and owns or proposes to acquire "investment securities" having a value exceeding 40% of the value of its total assets (exclusive of U.S. government securities and cash items) on an unconsolidated basis (the "40% test"). "Investment securities" do not include, among other things, U.S. government securities and securities issued by majority-owned subsidiaries that (i) are not investment companies and (ii) are not relying on the exceptions from the definition of investment company provided by Section 3(c)(1) or 3(c)(7) of the Investment Company Act.

Conducting our operations so as not to be considered an investment company under the Investment Company Act and the rules and regulations promulgated under the Investment Company Act and SEC staff interpretive guidance limits our ability to make

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certain investments. For example, these restrictions limit our and our subsidiaries’ ability to invest directly in Agency RMBS mortgage-related securities that represent less than the entire ownership in a pool of mortgage loans or debt and equity tranches of Non-Agency RMBS (in each case to the extent such interest are not retained interest in securitizations consisting of mortgage loans that were owned by us and such securitizations were not sponsored by us in order to obtain financing to acquire additional mortgage loans), certain real estate companies and assets not related to real estate.

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ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

The primary components of our market risk relate to interest rates, liquidity, real estate, credit, prepayment rates, basis, and capital markets risk. While we do not seek to avoid risk completely, we seek to assume risk that can be reasonably quantified from historical experience and to actively manage that risk, to earn sufficient returns to justify taking those risks and to maintain capital levels consistent with the risks we undertake. Many of these risks have become particularly heightened due to sustained inflation, rising mortgage rates, the Federal Reserve's monetary policy actions, and market uncertainty from geopolitical risks.

Interest rate risk

Interest rate risk is highly sensitive to many factors, including governmental monetary, fiscal and tax policies, domestic and international economic and political considerations and other factors beyond our control. We are subject to interest rate risk in connection with both our investments and the financing under our financing arrangements. We generally seek to manage this risk by monitoring the reset index and the interest rate related to our investment portfolio and our financings; by structuring our financing arrangements to have a range of maturity terms, amortizations and interest rate adjustment periods; and by using derivative instruments to adjust interest rate sensitivity of our investment portfolio and borrowings. Our hedging techniques can be highly complex, and the value of our investment portfolio and derivatives may be adversely affected as a result of changing interest rates.

Interest rate effects on net interest income

Our operating results depend in large part upon differences between the yields earned on our investments and our cost of borrowing and upon the effectiveness of our interest rate hedging activities. The majority of our financing arrangements are short term in nature, exclusive of our residential mortgage loans financed through securitized debt. Repurchase agreements financing our securities portfolio or retained interests from our securitizations typically have an initial term between 30 and 90 days while repurchase agreements financing our residential mortgage loans prior to securitization have an initial term of one year. The financing rate on these agreements will generally be determined at the outset of each transaction by reference to prevailing rates plus a spread. As a result, our borrowing costs will tend to increase during periods of rising interest rates as we renew, or "roll", maturing transactions at the higher prevailing rates. When combined with the fact that the income we earn on our fixed interest rate investments will remain substantially unchanged, this will result in a narrowing of the net interest spread between the related assets and borrowings and may even result in losses.

In an attempt to offset the increase in funding costs related to rising interest rates, our Manager may cause us to enter into hedging transactions structured to provide us with positive cash flow in the event interest rates rise. Our Manager accomplishes this through the use of interest rate derivatives. Some hedging strategies involving the use of derivatives are highly complex, may produce volatile returns and may expose us to increased risks relating to counterparty defaults.

Interest rate effects on fair value

Another component of interest rate risk is the effect that changes in interest rates will have on the fair value of the assets that we acquire.

Generally, in a rising interest rate environment, the fair value of our loan and real estate securities portfolios would be expected to decrease, all other factors being held constant. In particular, the portion of our real estate securities and loan portfolios with fixed-rate coupons would be expected to decrease in value more severely than that portion with a floating-rate coupon. This is because fixed-rate coupon assets tend to have significantly more duration, or price sensitivity to changes in interest rates, than floating-rate coupon assets. Fixed-rate assets currently represent a majority of our portfolio.

The fair value of our investment portfolio could change at a different rate than the fair value of our liabilities when interest rates change. We measure the sensitivity of our portfolio to changes in interest rates by estimating the duration of our assets and liabilities. Duration is the approximate percentage change in fair value for an instantaneous 100 basis point parallel shift in the yield curve while assuming all other market risk factors remain constant. In general, our assets have higher duration than our liabilities. In order to reduce this exposure, we use hedging instruments to reduce the gap in duration between our assets and liabilities.

We calculate estimated effective duration (i.e., the price sensitivity to changes in risk-free interest rates) to measure the impact of changes in interest rates on our portfolio value. We estimate duration based on third-party models. Different models and methodologies can produce different effective duration estimates for the same assets. We allocate the net duration by asset type based on the interest rate sensitivity.

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The following chart details information about our duration gap as of March 31, 2024.

Duration (1)(2)	Years
Agency RMBS	0.13
TBA	(0.03)
Agency Hedges	(0.43)
Agency RMBS subtotal	(0.33)
Securitized Residential Mortgage Loans	3.69
Real Estate Securities and Legacy WMC Commercial Loans	0.16
Hedges on securitized products	(0.51)
Securitized products subtotal	3.34
Residential Mortgage Loans (3)	0.40
Hedges on Residential Mortgage Loans	(0.55)
Residential Mortgage Loans subtotal	(0.15)
Legacy WMC Convertible Notes and Senior Unsecured Notes	(0.12)
Total	2.74

(1)Duration related to financing arrangements is netted within its respective line items.

(2)Duration does not include our investment in AG Arc LLC.

(3)Residential Mortgage Loans are inclusive of forward purchase commitments to acquire Non-Agency Loans and Agency-Eligible Loans as of March 31, 2024.

The following table quantifies the estimated percent change in GAAP equity, the fair value of our assets, and projected net interest income should interest rates go up or down instantaneously by 25, 50, and 75 basis points, assuming (i) the yield curves of the rate shocks will be parallel to each other and the current yield curve and (ii) all other market risk factors remain constant. These estimates were compiled using a combination of third-party services and models, market data and internal models. All changes in equity, assets, and income are measured as percentage changes from the GAAP equity, assets, and projected net interest income from our base interest rate scenario. The base interest rate scenario assumes spot and forward interest rates existing as of March 31, 2024. Actual results could differ materially from these estimates.

Agency RMBS and Agency-Eligible Loan assumptions attempt to predict default and prepayment activity at projected interest rate levels. To the extent that these estimates or other assumptions do not hold true, actual results will likely differ materially from projections and could result in percentage changes larger or smaller than the estimates in the table below. Moreover, if different models were employed in the analysis, materially different projections could result. In addition, while the table below reflects the estimated impact of interest rate increases and decreases on a static portfolio as of March 31, 2024, our Manager may from time to time sell any of our investments as a part of the overall management of our investment portfolio.

Change in Interest Rates (basis points) (1)	Change in Fair Value as a Percentage of GAAP Equity (2)(3)		Change in Fair Value as a Percentage of Assets (2)(3)		Percentage Change in Projected Net Interest Income (4)
75	(5.1)	%	(0.4)	%	0.4	%
50	(3.4)	%	(0.3)	%	0.4	%
25	(1.7)	%	(0.1)	%	0.3	%
(25)	1.7	%	0.1	%	(0.4)	%
(50)	3.5	%	0.3	%	(1.0)	%
(75)	5.3	%	0.4	%	(1.6)	%

(1)Includes investments held through affiliated entities that are reported as "Investments in debt and equity of affiliates" on our consolidated balance sheet, but excludes AG Arc.

(2)Does not include cash investments, which typically have overnight maturities and are not expected to change in value as interest rates change.

(3)Changes in fair value as a percentage of GAAP equity and assets are inclusive of forward purchase commitments to acquire Non-Agency Loans and Agency-Eligible Loans as of March 31, 2024.

(4)Interest income includes trades settled as of March 31, 2024.

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The information set forth in the interest rate sensitivity table above and all related disclosures constitute forward-looking statements within the meaning of Section 27A of the Securities Act and Section 21E of the Exchange Act. Actual results could differ significantly from those estimated in the foregoing interest rate sensitivity table. See below for additional risks which may impact the fair value of our assets, GAAP equity and net income.

Liquidity risk

Our primary liquidity risk arises from financing long-maturity assets with shorter-term financings primarily in the form of financing arrangements. Our Manager seeks to mitigate our liquidity risks by maintaining a prudent level of leverage, monitoring our liquidity position on a daily basis and maintaining a reasonable cushion of cash and unpledged real estate securities and loans in our portfolio in order to meet future margin calls. In addition, our Manager seeks to further mitigate our liquidity risk by (i) maintaining relationships with a carefully selected group of financing counterparties and (ii) monitoring the ongoing financial stability and future business plans of our financing counterparties.

Liquidity risk – financing arrangements

We pledge mortgage loans or real estate securities and cash as collateral to secure our financing arrangements. Should the fair value of our mortgage loans or real estate securities pledged as collateral decrease (as a result of rising interest rates, changes in prepayment speeds, widening of credit spreads or otherwise), we will likely be subject to margin calls for additional collateral from our financing counterparties. Should the fair value of our mortgage loans or real estate securities decrease materially and suddenly, margin calls will likely increase causing an adverse change to our liquidity position which could result in substantial losses. In addition, we cannot be assured that we will always be able to roll our financing arrangements at their scheduled maturities, which could cause material additional harm to our liquidity position and result in substantial losses. Further, should funding conditions tighten as they did in 2007-2008, 2009 and more recently in March 2020, our financing arrangement counterparties may increase our margin requirements on new financings, including repurchase transactions that we roll at maturity with the same counterparty. This would require us to post additional collateral and would reduce our ability to use leverage and could potentially cause us to incur substantial losses.

Liquidity risk – derivatives

The terms of our interest rate swaps require us to post collateral in the form of cash or Agency RMBS to our counterparties to satisfy two types of margin requirements: variation margin and initial margin.

We and our swap counterparties are both required to post variation margin to each other depending upon the daily moves in prevailing benchmark interest rates. The amount of this variation margin is derived from the mark to market valuation of our swaps. Hence, as our swaps lose value in a falling interest rate environment, we are required to post additional variation margin to our counterparties on a daily basis; conversely, as our swaps gain value in a rising interest rate environment, we are able to recall variation margin from our counterparties. By recalling variation margin from our swaps counterparties, we are able to partially mitigate the liquidity risk created by margin calls on our repurchase transactions during periods of rising interest rates.

Initial margin works differently. Collateral posted to meet initial margin requirements is intended to create a safety buffer to benefit our counterparties if we were to default on our payment obligations under the terms of the swaps and our counterparties were forced to unwind the swap. Initial margin on our centrally cleared trades varies from day to day depending upon various factors, including the absolute level of interest rates and the implied volatility of interest rates. There is a distinctly positive correlation between initial margin, on the one hand, and the absolute level of interest rates and implied volatility of interest rates, on the other hand. As a result, in times of rising interest rates or increasing rate volatility, we anticipate that the initial margin required on our centrally-cleared trades will likewise increase, potentially by a substantial amount. These margin increases will have a negative impact on our liquidity position and will likely impair the intended liquidity risk mitigation effect of our swaps discussed above.

Real estate value risk

Residential property values are subject to volatility and may be affected adversely by a number of factors outside of our control, including, but not limited to, national, regional and local economic conditions (which may be adversely affected by industry slowdowns and other factors); local real estate conditions (such as an oversupply of housing); natural disasters, the effects of climate change (including flooding, drought, and severe weather) and other natural events; construction quality, age and design; demographic factors; and retroactive changes to building or similar codes. Decreases in property values could cause us to suffer

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losses and reduce the value of the collateral underlying our investment portfolio as well as the potential sale proceeds available to repay our loans in the event of a default. In addition, substantial decreases in property values can increase the rate of strategic defaults by residential mortgage borrowers which can impact and create significant uncertainty in the recovery of principal and interest on our investments.

Credit risk

We are exposed to the risk of potential credit losses from an unanticipated increase in borrower defaults as well as general credit spread widening on any non-agency assets in our portfolio. We seek to manage this risk through our Manager’s pre-acquisition due diligence process and, if available, through the use of non-recourse financing, which limits our exposure to credit losses to the specific pool of collateral which is the subject of the non-recourse financing. Our Manager’s pre-acquisition due diligence process includes the evaluation of, among other things, relative valuation, supply and demand trends, the shape of various yield curves, prepayment rates, delinquency and default rates, recovery of various sectors and vintage of collateral.

The potential effects of sustained inflation, rising mortgage rates, the Federal Reserve's monetary policy actions, and the ongoing COVID-19 pandemic may cause an increase in credit risk of our credit sensitive assets. Any future period of payment deferrals, forbearance, delinquencies, defaults, foreclosures or losses will likely adversely affect our net interest income from residential loans and RMBS investments, the fair value of these assets, our ability to liquidate the collateral that may underlie these investments and obtain additional financing and the future profitability of our investments. Further, in the event of delinquencies, defaults and foreclosure, regulatory changes and policies designed to protect borrowers and renters may slow or prevent us from taking remediation actions.

Prepayment risk

Premiums arise when we acquire real estate assets at a price in excess of the principal balance of the mortgages securing such assets (i.e., par value). Conversely, discounts arise when we acquire assets at a price below the principal balance of the mortgages securing such assets. Premiums paid on our assets are amortized against interest income and accretable purchase discounts on our assets are accreted to interest income. Purchase premiums or discounts on our assets are amortized or accreted over the life of each respective asset using the effective yield method, adjusted for actual prepayment activity. An increase in the prepayment rate, as measured by the CPR, will typically accelerate the amortization of purchase premiums, thereby reducing the yield or interest income earned on such assets. An increase in the prepayment rate will similarly accelerate the accretion of purchase discounts, conversely increasing the yield or interest income earned on such assets. A decrease in the prepayment rate will have a directionally opposite impact on the yield or interest income.

Differences between previously estimated cash flows and current actual and anticipated cash flows caused by changes to prepayment or other assumptions are adjusted retrospectively through a "catch up" adjustment for the impact of the cumulative change in the effective yield through the reporting date for securities accounted for under ASC 320-10 (generally, Agency RMBS) or adjusted prospectively through an adjustment of the yield over the remaining life of the investment for investments accounted for under ASC 325-40 (generally, Non-Agency RMBS and interest-only securities) and mortgage loans accounted for under ASC 310-10.

In addition, our interest rate hedges are structured in part based upon assumed levels of future prepayments within our mortgage loan or real estate securities portfolio. If prepayments are slower or faster than assumed, the life of the real estate securities or mortgage loans will be longer or shorter than assumed, respectively, which could reduce the effectiveness of our Manager’s hedging strategies and may cause losses on such transactions.

Our Manager seeks to mitigate our prepayment risk by investing in real estate assets with a variety of prepayment characteristics.

Basis risk

Basis risk refers to the possible decline in book value triggered by the risk of incurring losses on the fair value of Agency RMBS as a result of widening market spreads between the yields on Agency RMBS and the yields on comparable duration Treasury securities. The basis risk associated with fluctuations in fair value of Agency RMBS may relate to factors impacting the mortgage and fixed income markets other than changes in benchmark interest rates, such as actual or anticipated monetary policy actions by the Federal Reserve, market liquidity, or changes in required rates of return on different assets. Consequently, while we use interest rate swaps and other hedges to protect against moves in interest rates, such instruments will generally not protect our net book value against basis risk.

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Capital Market Risk

We are exposed to risks related to the equity capital markets, and our related ability to raise capital through the issuance of our common stock, preferred stock or other equity instruments. We are also exposed to risks related to the debt capital markets, and our related ability to finance our business through revolving facilities or other debt instruments. As a REIT, we are required to distribute a significant portion of our taxable income annually, which constrains our ability to accumulate operating cash flow and therefore may require us to utilize debt or equity capital to finance our business. We seek to mitigate these risks by monitoring the debt and equity capital markets to inform our decisions on the amount, timing, and terms of capital we raise.

ITEM 4. CONTROLS AND PROCEDURES

(a) Evaluation of Disclosure Controls and Procedures

Our management is responsible for establishing and maintaining disclosure controls and procedures that are designed to ensure that information the Company is required to disclose in the reports that it files or submits under the Securities Exchange Act of 1934, as amended (the "Exchange Act") is recorded, processed, summarized and reported, within the time periods specified in the SEC’s rules and forms. Disclosure controls and procedures include controls and procedures designed to ensure that the Company’s management, including its principal executive officer and principal financial officer, as appropriate, allow for timely decisions regarding required disclosure.

We have evaluated, with the participation of our principal executive officer and principal financial officer, the effectiveness of our disclosure controls and procedures as of March 31, 2024. There are inherent limitations to the effectiveness of any system of disclosure controls and procedures, including the possibility of human error and the circumvention or overriding of the controls and procedures. Accordingly, even effective disclosure controls and procedures can only provide reasonable assurance of achieving their control objectives. Based upon our evaluation, our principal executive officer and principal financial officer concluded that our disclosure controls and procedures were effective to provide reasonable assurance that information required to be disclosed by us in the reports that we file or submit under the Exchange Act is recorded, processed, summarized and reported, within the time periods specified in the applicable rules and forms, and that it is accumulated and communicated to our management, including our principal executive officer and principal financial officer, as appropriate to allow for timely decisions regarding required disclosure.

(b) Changes in Internal Control over Financial Reporting

No change occurred in our internal control over financial reporting (as defined in Rule 13a-15(f) and 15d-15(f) of the Exchange Act) during the period covered by this quarterly report that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

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PART II — OTHER INFORMATION

ITEM 1. LEGAL PROCEEDINGS.

We are at times subject to various legal proceedings and claims arising in the ordinary course of our business. In addition, in the ordinary course of business, we can be and are involved in governmental and regulatory examinations, information gathering requests, investigations and proceedings. As of the date of this report, we are not party to any litigation or legal proceedings, or to our knowledge, any threatened litigation or legal proceedings, which we believe, individually or in the aggregate, would have a material adverse effect on our results of operations or financial condition.

ITEM 1A. RISK FACTORS.

Refer to the risks identified under the caption "Risk Factors", in our Annual Report on Form 10-K for the year ended December 31, 2023 and our subsequent filings, which are available on the Securities and Exchange Commission’s website at www.sec.gov, and in the "Forward-Looking Statements" and "Management’s Discussion and Analysis of Financial Condition and Results of Operations" sections herein.

ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS.

None.

ITEM 3. DEFAULTS UPON SENIOR SECURITIES.

None.

ITEM 4. MINE SAFETY DISCLOSURES

None.

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ITEM 5. OTHER INFORMATION.

Submission of Matters to a Vote of Security Holders - Results of 2024 Annual Meeting of Stockholders

On May 2, 2024, the Company held its 2024 annual meeting of stockholders, where the Company’s stockholders voted on the following matters which were set forth in the notice for the meeting:

1.Election of eight directors to the Company's board of directors, with each director serving until the Company's 2025 annual meeting of stockholders or until his or her successor is duly elected and qualified;

2.Ratification of the appointment of Deloitte & Touche LLP as the Company's independent registered public accounting firm for the year ending December 31, 2024;

3.Approval, on an advisory basis, of the Company's executive compensation; and

4.Selection, on an advisory basis, of the frequency of future advisory votes relating to executive compensation.

Each of the eight nominees was elected, the appointment of Deloitte & Touche LLP as the independent registered public accounting firm was ratified, the executive compensation was approved on an advisory basis, and the Company's stockholders voted to hold an advisory vote on executive compensation each year.

1. Election of Directors:

Director	Votes For	Votes Withheld	Broker Non-Votes
Debra Hess	8,999,025	1,212,515	9,505,556
T.J. Durkin	9,551,526	660,014	9,505,556
Dianne Hurley	9,390,733	820,807	9,505,556
Matthew Jozoff	9,536,396	675,144	9,505,556
M. Christian Mitchell	9,547,506	664,034	9,505,556
Lisa G. Quateman	9,542,983	668,557	9,505,556
Peter Linneman	9,238,942	972,598	9,505,556
Nicholas Smith	9,551,541	659,999	9,505,556

2. Ratification of the appointment of Deloitte & Touche LLP as the Company’s independent registered public accounting firm for the year ending December 31, 2024:

Votes For	Votes Against	Abstentions	Broker Non-Votes
19,065,346	515,150	136,600	—

3. Approval, on an advisory basis, of the Company's executive compensation:

Votes For	Votes Against	Abstentions	Broker Non-Votes
8,795,793	1,069,538	346,209	9,505,556

4. Selection, on an advisory basis, of the frequency of future advisory votes relating to executive compensation:

Every Year	Every Two Years	Every Three Years	Abstentions	Broker Non-Votes
9,463,678	315,426	275,781	156,655	9,505,556

Based on the stockholder voting results on this proposal and consistent with the recommendation of the Board as set forth in the Company's definitive proxy statement, the Company will hold the advisory vote on the Company's executive compensation every year until the next required non-binding advisory vote on the frequency of stockholder votes on executive compensation.

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ITEM 6. EXHIBITS.

 

Exhibit No.	Description
3.1	Articles of Amendment and Restatement of AG Mortgage Investment Trust, Inc., incorporated by reference to Exhibit 3.1 of Amendment No. 2 to the Company's Registration Statement on Form S-11, filed with the Securities and Exchange Commission on April 18, 2011 ("Pre-Effective Amendment No. 2").
3.2	Articles of Amendment to Articles of Amendment and Restatement of AG Mortgage Investment Trust, Inc., incorporated by reference to Exhibit 3.1 of the Company's Current Report on Form 8-K, filed with the Securities and Exchange Commission on May 8, 2017.
3.3	Amended and Restated Bylaws of AG Mortgage Investment Trust, Inc., incorporated by reference to Exhibit 3.3 of the Company's Quarterly Report on Form 10-Q, filed with the Securities and Exchange Commission on November 8, 2022.
3.4	Articles Supplementary of 8.25% Series A Cumulative Redeemable Preferred Stock, incorporated by reference to Exhibit 3.1 of the Company's Current Report on Form 8-K, filed with the Securities and Exchange Commission on August 2, 2012.
3.5	Articles Supplementary of 8.00% Series B Cumulative Redeemable Preferred Stock, incorporated by reference to Exhibit 3.1 of the Company's Current Report on Form 8-K, filed with the Securities and Exchange Commission on September 24, 2012.
3.6	Articles Supplementary of 8.000% Series C Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock, incorporated by reference to Exhibit 3.5 of the Company's Registration Statement on Form 8-A12B, filed with the Securities and Exchange Commission on September 16, 2019.
3.7	Articles of Amendment of AG Mortgage Investment Trust, Inc., incorporated by reference to Exhibit 3.1 of the Company's Current Report on Form 8-K, filed with the Securities and Exchange Commission on July 27, 2021.
3.8	Articles of Amendment of AG Mortgage Investment Trust, Inc., incorporated by reference to Exhibit 3.2 of the Company's Current Report on Form 8-K, filed with the Securities and Exchange Commission on July 27, 2021.
4.1	Specimen Common Stock Certificate of AG Mortgage Investment Trust, Inc., incorporated by reference to Exhibit 4.1 on Form 10-Q filed with the Securities and Exchange Commission on May 7, 2021.
4.2	Specimen 8.25% Series A Cumulative Redeemable Preferred Stock Certificate, incorporated by reference to Exhibit 4.1 of the Company's Current Report on Form 8-K, filed with the Securities and Exchange Commission on August 2, 2012.
4.3	Specimen 8.00% Series B Cumulative Redeemable Preferred Stock Certificate, incorporated by reference to Exhibit 4.1 of the Company's Current Report on Form 8-K, filed with the Securities and Exchange Commission on September 24, 2012.
4.4	Specimen 8.000% Series C Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock Certificate, incorporated by reference to Exhibit 3.9 of the Company's Registration Statement on Form 8-A12B, filed with the Securities and Exchange Commission on September 16, 2019.
4.5	Indenture, dated as of October 2, 2017, by and between Western Asset Mortgage Capital Corporation and Wells Fargo Bank, National Association, incorporated by reference to Exhibit 4.1 of Western Asset Mortgage Capital Corporation's Current Report on Form 8-K, filed with the Securities and Exchange Commission on October 3, 2017.
4.6	Second Supplemental Indenture, dated as of September 14, 2021, by and between Western Asset Mortgage Capital Corporation and Wells Fargo Bank, National Association, incorporated by reference to Exhibit 4.2 of Western Asset Mortgage Capital Corporation's Current Report on Form 8-K, filed with the Securities and Exchange Commission on September 14, 2021.

80

4.7	Third Supplemental Indenture, dated as of December 6, 2023, by and among AG Mortgage Investment Trust, Inc., AGMIT Merger Sub, LLC, Western Asset Mortgage Capital Corporation and Computershare Trust Company, National Association, as successor to Wells Fargo Bank, National Association, incorporated by reference to Exhibit 4.3 of the Company's Current Report on Form 8-K, filed with the Securities and Exchange Commission on December 6, 2023.
4.8	Form of 6.75% Convertible Senior Notes due 2024, attached as Exhibit A to the Second Supplemental Indenture filed as Exhibit 4.6 hereto, incorporated by reference to Western Asset Mortgage Capital Corporation's Current Report on Form 8-K, filed with the Securities and Exchange Commission on September 14, 2021.
4.9	Indenture, dated January 26, 2024, between AG Mortgage Investment Trust, Inc. and U.S. Bank Trust Company, National Association, as Trustee, incorporated by reference to Exhibit 4.2 of the Company's Registration Statement on Form 8-A12B, filed with the Securities and Exchange Commission on January 26, 2024.
4.10	First Supplemental Indenture, dated January 26, 2024, between AG Mortgage Investment Trust, Inc. and U.S. Bank Trust Company, National Association, as Trustee, incorporated by reference to Exhibit 4.3 to the Company's Registration Statement on Form 8-A12B, filed with the Securities and Exchange Commission on January 26, 2024.
4.11	Form of 9.500% Senior Notes Due 2029 of AG Mortgage Investment Trust, Inc. (attached as Exhibit A to the First Supplemental Indenture, incorporated by reference to Exhibit 4.3 to the Company's Registration Statement on Form 8-A12B, filed with the Securities and Exchange Commission on January 26, 2024).
31.1*	Certification of Thomas J. Durkin pursuant to Rule 13a-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2*	Certification of Anthony W. Rossiello pursuant to Rule 13a-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1*	Certification of Thomas J. Durkin pursuant to Rule 13a-14(b) and 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.2*	Certification of Anthony W. Rossiello pursuant to Rule 13a-14(b) and 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.INS	XBRL Instance Document
101.SCH	XBRL Taxonomy Extension Schema Document
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF	XBRL Taxonomy Extension Definition Linkbase Document
101.LAB	XBRL Taxonomy Extension Label Linkbase Document
101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document
104	Cover Page Interactive Data File (formatted as Inline XBRL)

* Filed herewith.

81

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

 

	AG MORTGAGE INVESTMENT TRUST, INC.
May 7, 2024	By:	/s/ THOMAS J. DURKIN
	Thomas J. Durkin
	Chief Executive Officer and President (principal executive officer)
May 7, 2024	By:	/s/ ANTHONY W. ROSSIELLO
	Anthony W. Rossiello
	Chief Financial Officer (principal financial officer and principal accounting officer)

82

EX-31.1

Exhibit31.1

CERTIFICATION

I, Thomas J. Durkin, certify that:

1.I have reviewed this quarterly report on Form 10-Q of AG Mortgage Investment Trust, Inc.;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a.Designed such disclosure controls and procedures or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b.Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c.Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d.Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a.All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b.Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: May 7, 2024
	/s/ Thomas J. Durkin
	Thomas J. Durkin
	Chief Executive Officer & President

EX-31.2

Exhibit31.2

CERTIFICATION

I, Anthony W. Rossiello, certify that:

1.I have reviewed this quarterly report on Form 10-Q of AG Mortgage Investment Trust, Inc.;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a.Designed such disclosure controls and procedures or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b.Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c.Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d.Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a.All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b.Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: May 7, 2024
	/s/ Anthony W. Rossiello
	Anthony W. Rossiello
	Chief Financial Officer

EX-32.1

EXHIBIT 32.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350 AS ADOPTED

PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q of AG Mortgage Investment Trust, Inc. (the "Company") for the quarterly period ended March 31, 2024 as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Thomas J. Durkin, Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350, that:

(1)The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2)The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

It is not intended that this statement be deemed to be filed for purposes of the Securities Exchange Act of 1934.

/s/ Thomas J. Durkin

Thomas J. Durkin

Chief Executive Officer & President

May 7, 2024

EX-32.2

EXHIBIT 32.2

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350 AS ADOPTED

PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q of AG Mortgage Investment Trust, Inc. (the "Company") for the quarterly period ended March 31, 2024 as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Anthony W. Rossiello, Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350, that:

(1)The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2)The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

It is not intended that this statement be deemed to be filed for purposes of the Securities Exchange Act of 1934.

/s/ Anthony W. Rossiello

Anthony W. Rossiello

Chief Financial Officer

May 7, 2024

XML

Cover Page - shares	3 Months Ended
	Mar. 31, 2024	May 03, 2024
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2024
Document Transition Report	false
Entity File Number	001-35151
Entity Registrant Name	AG MORTGAGE INVESTMENT TRUST, INC.
Entity Incorporation, State or Country Code	MD
Entity Tax Identification Number	27-5254382
Entity Address, Address Line One	245 Park Avenue
Entity Address, Address Line Two	26th Floor
Entity Address, City or Town	New York
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	10167
City Area Code	212
Local Phone Number	692-2000
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		29,473,725
Amendment Flag	false
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q1
Entity Central Index Key	0001514281
Current Fiscal Year End Date	--12-31
Common Stock
Document Information [Line Items]
Title of 12(b) Security	Common Stock, $0.01 par value per share
Trading Symbol	MITT
Security Exchange Name	NYSE
8.25% Series A Cumulative Redeemable Preferred Stock
Document Information [Line Items]
Title of 12(b) Security	8.25% Series A Cumulative Redeemable Preferred Stock
Trading Symbol	MITT PrA
Security Exchange Name	NYSE
8.00% Series B Cumulative Redeemable Preferred Stock
Document Information [Line Items]
Title of 12(b) Security	8.00% Series B Cumulative Redeemable Preferred Stock
Trading Symbol	MITT PrB
Security Exchange Name	NYSE
8.000% Series C Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock
Document Information [Line Items]
Title of 12(b) Security	8.000% Series C Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock
Trading Symbol	MITT PrC
Security Exchange Name	NYSE
Senior Notes Due 2029
Document Information [Line Items]
Title of 12(b) Security	9.500% Senior Notes due 2029
Trading Symbol	MITN
Security Exchange Name	NYSE

XML

Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands		Mar. 31, 2024	Dec. 31, 2023
Assets
Real estate securities, at fair value - $223,949 and $155,115 pledged as collateral, respectively		$ 271,868	$ 162,821
Cash and cash equivalents		100,287	111,534
Restricted cash		16,347	14,039
Other assets		41,495	40,716
Total Assets		6,400,668	6,126,428
Liabilities
Securitized debt, at fair value	[1]	4,980,942	4,711,623
Financing arrangements		734,001	767,592
Convertible senior unsecured notes		78,530	85,266
Senior unsecured notes		32,810	0
Dividend payable		5,301	1,472
Other liabilities	[2]	29,519	32,107
Total Liabilities		5,861,103	5,598,060
Commitments and Contingencies (Note 12)
Stockholders’ Equity
Preferred stock - $227,991 aggregate liquidation preference		220,472	220,472
Common stock, par value $0.01 per share; 450,000 shares of common stock authorized and 29,453 and 29,437 shares issued and outstanding at March 31, 2024 and December 31, 2023, respectively		295	294
Additional paid-in capital		823,908	823,715
Retained earnings/(deficit)		(505,110)	(516,113)
Total Stockholders’ Equity		539,565	528,368
Total Liabilities and Stockholders’ Equity		6,400,668	6,126,428
Investment, Affiliated Issuer
Assets
Investments in debt and equity of affiliates		54,842	55,103
Legacy WMC Commercial Loans
Assets
Mortgage loans		66,474	66,303
Total Residential Investments
Assets
Real estate securities, at fair value - $223,949 and $155,115 pledged as collateral, respectively		271,868	162,821
Securitized Residential Mortgage Loans | Residential Mortgage
Assets
Mortgage loans	[1]	5,645,004	5,358,281
VIE, Not Primary Beneficiary
Assets
Real estate securities, at fair value - $223,949 and $155,115 pledged as collateral, respectively		39,163	37,533
VIE, Not Primary Beneficiary | Residential Mortgage
Assets
Mortgage loans		$ 204,351	$ 317,631

[1] These balances relate to certain residential mortgage loans which were securitized resulting in the Company consolidating the variable interest entities that were created to facilitate these securitizations as the Company was determined to be the primary beneficiary. See Note 3 for additional details.

[2] Refer to Note 7 and Note 10 for additional details on amounts payable to affiliates.

XML

Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Preferred stock, liquidation preference	$ 227,991	$ 227,991
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	450,000,000	450,000,000
Common stock, shares issued (in shares)	29,453,000	29,437,000
Common stock, shares outstanding (in shares)	29,453,000	29,437,000
Residential Portfolio Segment
Fair Value	$ 5,849,355	$ 5,675,912
Residential Mortgage
Fair Value	204,351	317,631
Residential Mortgage | Residential Portfolio Segment
Fair Value	204,351	317,631
Residential Mortgage | Securitized Residential Mortgage Loans
Fair Value	5,645,004	5,358,281
Residential Mortgage | Securitized Residential Mortgage Loans | Residential Portfolio Segment
Fair Value	5,645,004	5,358,281
Residential Mortgage | Securitized Residential Mortgage Loans | Asset Pledged as Collateral | Residential Portfolio Segment
Fair Value	663,327	645,876
Residential Mortgage | VIE, Not Primary Beneficiary | Asset Pledged as Collateral | Residential Portfolio Segment
Fair Value	196,752	315,225
Legacy WMC Commercial Loans
Fair Value	66,474	66,303
Legacy WMC Commercial Loans | Commercial Portfolio Segment
Fair Value	66,474	66,303
Legacy WMC Commercial Loans | Asset Pledged as Collateral | Commercial Portfolio Segment
Fair Value	66,474	66,303
Total Residential Investments
Real estate securities, at fair value, pledged as collateral	$ 223,949	$ 155,115

XML

Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended
		Mar. 31, 2024	Mar. 31, 2023
Net Interest Income
Interest income		$ 95,572	$ 57,803
Interest expense		78,393	46,188
Total Net Interest Income		17,179	11,615
Other Income/(Loss)
Net interest component of interest rate swaps		1,900	1,020
Net realized gain/(loss)		(1,103)	100
Net unrealized gain/(loss)		10,014	8,717
Total Other Income/(Loss)		10,811	9,837
Expenses
Non-investment related expenses	[1]	3,114	2,820
Investment related expenses	[1]	3,283	2,326
Transaction related expenses	[1]	999	1,707
Total Expenses		9,137	8,928
Income/(loss) before equity in earnings/(loss) from affiliates		18,853	12,524
Equity in earnings/(loss) from affiliates		2,037	16
Net Income/(Loss)		20,890	12,540
Dividends on preferred stock		(4,586)	(4,586)
Net Income/(Loss) Available to Common Stockholders		$ 16,304	$ 7,954
Earnings/(Loss) Per Share of Common Stock
Basic (in dollars per share)		$ 0.55	$ 0.38
Diluted (in dollars per share)		$ 0.55	$ 0.38
Weighted Average Number of Shares of Common Stock Outstanding
Basic (in shares)		29,453	21,066
Diluted (in shares)		29,479	21,066
Affiliated Entity
Expenses
Management fee to affiliate	[1]	$ 1,741	$ 2,075

[1] Refer to Note 10 for additional details on related party transactions.

XML

Consolidated Statements of Stockholders’ Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Preferred  Stock	Additional Paid-in Capital	Retained Earnings/(Deficit)
Beginning balance (in shares) at Dec. 31, 2022		21,284
Beginning balance at Dec. 31, 2022	$ 462,800	$ 212	$ 220,472	$ 778,606	$ (536,490)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Grant of restricted stock and amortization of equity based compensation (in shares)		16
Grant of restricted stock and amortization of equity based compensation	87	$ 1		86
Repurchase of common stock (in shares)		(923)
Repurchase of common stock	(5,244)	$ (9)		(5,235)
Common dividends declared	(3,684)				(3,684)
Preferred dividends declared	(4,586)				(4,586)
Net Income/(Loss)	12,540				12,540
Ending balance (in shares) at Mar. 31, 2023		20,377
Ending balance at Mar. 31, 2023	$ 461,913	$ 204	220,472	773,457	(532,220)
Beginning balance (in shares) at Dec. 31, 2023	29,437	29,437
Beginning balance at Dec. 31, 2023	$ 528,368	$ 294	220,472	823,715	(516,113)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Grant of restricted stock and amortization of equity based compensation (in shares)		16
Grant of restricted stock and amortization of equity based compensation	194	$ 1		193
Common dividends declared	(5,301)				(5,301)
Preferred dividends declared	(4,586)				(4,586)
Net Income/(Loss)	$ 20,890				20,890
Ending balance (in shares) at Mar. 31, 2024	29,453	29,453
Ending balance at Mar. 31, 2024	$ 539,565	$ 295	$ 220,472	$ 823,908	$ (505,110)

XML

Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash Flows from Operating Activities
Net income/(loss)	$ 20,890	$ 12,540
Adjustments to reconcile net income/(loss) to net cash provided by (used in) operating activities:
Net amortization of premium/(discount)	2,428	1,492
Net realized (gain)/loss	1,103	(100)
Net unrealized (gain)/loss	(10,014)	(8,717)
Grant of restricted stock and amortization of equity based compensation	194	87
Equity in (earnings)/loss from affiliates	(2,037)	(16)
Distributions of income from investments in debt and equity of affiliates	887	158
Change in operating assets/liabilities:
Other assets	3,056	977
Other liabilities	(4,535)	108
Net cash provided by (used in) operating activities	11,972	6,529
Cash Flows from Investing Activities
Purchases of residential mortgage loans	(288,145)	(22,834)
Purchases of real estate securities	(127,991)	(276,265)
Investments in debt and equity of affiliates	0	(700)
Proceeds from sales of residential mortgage loans	0	66,551
Proceeds from sales of real estate securities	19,318	0
Principal repayments on residential mortgage loans	140,625	73,956
Principal repayments on real estate securities	869	712
Distributions received in excess of income from investments in debt and equity of affiliates	1,611	1,983
Net settlement of interest rate swaps and other instruments	4,390	(1,175)
Net settlement of TBAs	10	179
Cash flows provided by other investing activities	1,082	371
Net cash provided by (used in) investing activities	(248,231)	(157,222)
Cash Flows from Financing Activities
Repurchase of common stock	0	(5,244)
Net borrowings under (repayments of) financing arrangements	(30,295)	8,271
Principal repayments on fixed-rate long-term financing arrangements	(2,895)	0
Proceeds from issuance of senior unsecured notes	32,763	0
Repurchases of convertible senior unsecured notes	(7,059)	0
Deferred financing costs paid	(142)	(9)
Proceeds from issuance of securitized debt	365,602	235,709
Principal repayments on securitized debt	(124,596)	(66,957)
Net collateral received from (paid to) derivative counterparty	0	(9,026)
Dividends paid on common stock	(1,472)	(3,846)
Dividends paid on preferred stock	(4,586)	(4,586)
Net cash provided by (used in) financing activities	227,320	154,312
Net change in cash and cash equivalents and restricted cash	(8,939)	3,619
Cash and cash equivalents and restricted cash, Beginning of Period	125,573	98,803
Cash and cash equivalents and restricted cash, End of Period	116,634	102,422
Supplemental disclosure of cash flow information:
Cash paid for interest on financing arrangements and securitized debt	72,178	42,932
Cash paid for income taxes	121	0
Supplemental disclosure of non-cash financing and investing activities:
Common stock dividends declared but not paid	5,301	3,684
Transfer from residential mortgage loans to other assets	$ 255	$ 915

XML

Consolidated Statements of Cash Flows (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2024	Mar. 31, 2023
Statement of Cash Flows [Abstract]
Cash and cash equivalents	$ 100,287	$ 87,876
Restricted cash	16,347	14,546
Total cash, cash equivalents and restricted cash shown in the consolidated statements of cash flows	$ 116,634	$ 102,422

XML

Organization

3 Months Ended

Mar. 31, 2024

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Organization

Organization

AG Mortgage Investment Trust, Inc. (the "Company" or "MITT") is a residential mortgage REIT with a focus on investing in a diversified risk-adjusted portfolio of residential mortgage-related assets in the U.S. mortgage market. The Company’s investment activities primarily include acquiring and securitizing newly-originated residential mortgage loans within the non-agency segment of the housing market. The Company obtains its assets through Arc Home, LLC ("Arc Home"), a residential mortgage loan originator in which the Company owns an approximate 44.6% interest, and through other third-party origination partners.

On December 6, 2023, the Company acquired Western Asset Mortgage Capital Corporation ("WMC"), an externally managed mortgage REIT that focused on investing in, financing and managing a portfolio of residential mortgage loans, real estate related securities, and commercial real estate loans. For more information, refer to the "WMC Acquisition" section below.

The Company’s assets, excluding its ownership in Arc Home, include Residential Investments, Agency RMBS and Legacy WMC Commercial Investments. Currently, its Residential Investments primarily consist of newly originated Non-Agency Loans and Agency-Eligible Loans. The Company may invest in other types of residential mortgage loans and other mortgage related assets. The Company also invests in Residential Investments through its unconsolidated ownership interests in affiliates which are included in the "Investments in debt and equity of affiliates" line item on its consolidated balance sheets.

The Company's asset classes are primarily comprised of the following:

Asset Class	Description
Residential Investments
Non-Agency Loans(1)	•Non-Agency Loans are loans that do not conform to the underwriting guidelines of a government-sponsored enterprise ("GSE"). Non-Agency Loans consist of Qualified mortgage loans ("QM Loans") and Non-Qualified mortgage loans ("Non-QM Loans"). QM Loans are residential mortgage loans that comply with the Ability-To-Repay rules and related guidelines of the Consumer Finance Protection Bureau.
Agency-Eligible Loans(1)	•Agency-Eligible Loans are loans that are underwritten in accordance with GSE guidelines and are primarily secured by investment properties, but are not guaranteed by a GSE. Although these loans are underwritten in accordance with GSE guidelines and can be delivered to Fannie Mae and Freddie Mac, the Company includes these loans within its Non-Agency securitizations.
Re- and Non-Performing Loans(1)	•Performing, re-performing, and non-performing loans are residential mortgage loans collateralized by a first lien mortgaged property.
Non-Agency RMBS(2)	•Non-Agency Residential Mortgage-Backed Securities ("RMBS") represent fixed- and floating-rate RMBS issued by entities other than U.S. GSEs or agencies of the U.S. government.
Agency RMBS(2)	•Agency RMBS represent interests in pools of residential mortgage loans guaranteed by a GSE such as Fannie Mae or Freddie Mac, or an agency of the U.S. Government such as Ginnie Mae.
Legacy WMC Commercial Investments(3)
Commercial Loans	•Commercial loans represent first lien commercial mortgage loans participations.
CMBS(2)	•Commercial Mortgage-Backed Securities ("CMBS") represent investments of fixed-rate and floating-rate CMBS, secured by, or evidencing an ownership interest in, a single commercial mortgage loan or a pool of commercial mortgage loans.

(1)These investments are included in the "Securitized residential mortgage loans, at fair value" and "Residential mortgage loans, at fair value" line items on the consolidated balance sheets.

(2)These investments are included in the "Real estate securities, at fair value" line item on the consolidated balance sheets.

(3)The Company's investments include commercial loans, CMBS and other securities (collectively, the "Legacy WMC Commercial Investments") that were acquired in the WMC acquisition. The Company expects to either hold the Legacy WMC Commercial Investments until maturity or opportunistically exit these investments.

The Company conducts its business through one reportable segment, Loans and Securities, which reflects how the Company manages its business and analyzes and reports its results of operations.

The Company was incorporated in the state of Maryland on March 1, 2011 and commenced operations in July 2011. The Company conducts its operations to qualify and be taxed as a real estate investment trust ("REIT") under the Internal Revenue Code of 1986, as amended (the "Code"). The Company is externally managed by AG REIT Management, LLC, a Delaware limited liability company (the "Manager"), a wholly-owned subsidiary of Angelo, Gordon & Co., L.P. ("TPG Angelo Gordon"), a diversified credit and real estate investing platform within TPG Inc. ("TPG"). The Manager has delegated to TPG Angelo Gordon the overall responsibility of its day-to-day duties and obligations arising under the management agreement.

The consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries. All intercompany balances and transactions have been eliminated in consolidation.

WMC Acquisition

On December 6, 2023 (the "Closing Date"), the Company completed its acquisition of WMC, a Delaware corporation. WMC was an externally managed mortgage REIT that focused on investing in, financing and managing a portfolio of residential mortgage loans, real estate related securities, and commercial real estate loans. On the Closing Date, WMC merged with and into AGMIT Merger Sub, LLC, a Delaware limited liability company and wholly owned subsidiary of the Company ("Merger Sub"), with Merger Sub continuing as the surviving company (the "Merger"). As contemplated by the Agreement and Plan of Merger, dated as of August 8, 2023 (the "Merger Agreement"), the certificate of merger was filed with the Secretary of State of the State of Delaware, and the Merger was effective at 8:15 a.m., Eastern Time, on the Closing Date (the "Effective Time").

Pursuant to the terms and subject to the conditions set forth in the Merger Agreement, at the Effective Time, each outstanding share of WMC common stock, par value $0.01 per share ("WMC Common Stock"), was converted into the right to receive the following (the "Per Share Merger Consideration"): (i) from MITT, 1.498 shares of MITT common stock; and (ii) from the Manager, a cash amount equal to $0.92 (the "Per Share Additional Manager Consideration"). No fractional shares of MITT common stock were issued in the Merger, and the value of any fractional interests to which a former holder of WMC Common Stock was otherwise entitled was paid in cash.

Pursuant to the Merger Agreement, the amount of the Per Share Additional Manager Consideration was reduced by the smallest amount (rounded to the nearest cent) necessary to cause the Per Share Additional Manager Consideration to be less than 10% of the total value of the Per Share Merger Consideration received by a holder of WMC Common Stock under the Merger Agreement. Pursuant to the previously disclosed amendment to the Company's management agreement, dated as of August 8, 2023, by and between MITT and the Manager (the "MITT Management Agreement Amendment"), which became effective on the Closing Date and amends the existing management agreement, dated as of June 29, 2011 (as amended, the "Existing MITT Management Agreement"), (i) the Manager will waive its right to seek reimbursement from MITT for any expenses otherwise reimbursable by MITT under the Existing MITT Management Agreement in an amount equal to approximately $1.3 million, which is the excess of $7.0 million over the aggregate Per Share Additional Manager Consideration paid by the Manager to the holders of WMC Common Stock under the Merger Agreement, and (ii) the Manager’s base management fee will be reduced by $0.6 million for the first four quarters following the Effective Time, beginning with the fiscal quarter in which the Effective Time occurred (i.e., resulting in an aggregate $2.4 million waiver of base management fees).

Additionally, each outstanding share of WMC’s restricted common stock and each WMC restricted stock unit (each, a "WMC Equity Award") vested in full immediately prior to the Effective Time and, as of the Effective Time, was considered outstanding for all purposes of the Merger Agreement, including the right to receive the Per Share Merger Consideration, except that WMC Equity Awards granted to certain members of the WMC board of directors at WMC’s 2023 annual stockholders’ meeting (collectively, the "2023 WMC Director Awards") were treated as follows: (i) for M. Christian Mitchell and Lisa G. Quateman, who were appointed to the MITT board of directors as of the Effective Time, the 2023 WMC Director Awards were equitably adjusted effective as of the Effective Time into awards relating to shares of MITT common stock that have the same value, vesting terms and other terms and conditions as applied to the corresponding WMC restricted stock units immediately prior to the Effective Time and (ii) for the other members of the WMC board of directors, the 2023 WMC Director Awards accelerated and vested pro-rata effective as of immediately prior to the Effective Time based on a fraction, the numerator of which was 166 (the number of days between the grant date and the Closing Date) and the denominator of which was 365, and the remaining unvested portion of such 2023 WMC Director Awards was cancelled without any consideration.

Pursuant to the Merger Agreement, approximately 9.2 million shares of MITT common stock were issued to former WMC common stockholders and, following the consummation of the Merger, former WMC common stockholders owned approximately 31% of the common equity of MITT.

Purchase Price Allocation

The Company completed the WMC acquisition on December 6, 2023 to support continued growth of the Company and to create efficiency and scale for stockholders. The Company accounted for this transaction in accordance with Accounting Standards Codification ("ASC") 805, "Business Combinations" using the acquisition method of accounting, which requires, among other things, that the assets acquired and liabilities assumed be recognized at fair value as of the acquisition date. The following table summarizes the allocation of the total consideration paid to acquire the assets and assume the liabilities of WMC (in thousands, except exchange ratio and per share amounts).

Consideration
WMC shares outstanding at December 5, 2023 (1)	6,143
Exchange Ratio	1.498
Shares of MITT Common Stock Issued	9,202
MITT Common Stock Price as of December 5, 2023	$	5.56
MITT Total Consideration (2)	$	51,163
Assets
Securitized residential mortgage loans (3)	$	971,781
Residential mortgage loans (3)	6,046
Commercial loans	78,459
Non-Agency RMBS	48,200
CMBS	56,301
Other securities	1,159
Agency RMBS	745
Cash and cash equivalents	5,316
Restricted cash	873
Other assets	24,654
Total Assets	$	1,193,534
Liabilities
Securitized debt	$	837,317
Financing arrangements	171,170
Convertible senior unsecured notes	85,172
Other liabilities	18,522
Total Liabilities	$	1,112,181
Net Assets Acquired	$	81,353
Bargain purchase gain	$	30,190

(1)For time-based restricted stock units granted by WMC that fully vested as of the Closing Date, the fair value of the Company’s common stock issued in the satisfaction of these units was included in equity consideration transferred as no post acquisition service was required.

(2)MITT Total Consideration does not include the Per Share Additional Manager Consideration paid by the Manager to former holders of WMC Common Stock.

(3)The unpaid principal balance of residential mortgage loans acquired in connection with the Merger was $1.1 billion.

The fair value of the assets acquired and liabilities assumed required the use of significant assumptions and estimates. Critical estimates included, but were not limited to, future expected cash flows related to these assets and liabilities and the applicable discount rates. These estimates were based on assumptions that management believes to be reasonable; however, actual results may differ from these estimates. The assessment of fair value is based on information that was available to management at the

time the consolidated financial statements were prepared. Those estimates and assumptions are subject to change as management obtains additional information related to those estimates during the applicable measurement period. The final determination must occur within one year of the acquisition date.

Under the acquisition method of accounting, merger-related transaction costs (such as advisory, legal, valuation, and other professional fees) are not included as components of consideration transferred but are expensed in the periods in which the costs are incurred. The Company incurred transaction costs of $6.0 million during the third and fourth quarters of 2023, which were included in the "Transaction related expenses" line item in the consolidated statements of operations.

At acquisition, the Company recognized a bargain purchase gain of $30.2 million which was separately recorded in the consolidated statements of operations. The bargain purchase gain represents the amount by which the fair value of the net assets acquired in the acquisition exceeds the fair value of the shares of MITT common stock issued as consideration at the Effective Time. As a result of macroeconomic factors and interest rate volatility, the prices per share of common stock of certain companies within the mortgage REIT industry have traded at discounts to book values per share in recent periods, which contributed to the bargain purchase gain recorded on the WMC acquisition.

Unaudited Supplemental Pro Forma Financial Information

The following table presents unaudited pro forma combined interest income and net income/(loss) available to common stockholders for the three months ended March 31, 2023 prepared as if the Merger had been consummated on January 1, 2023 (in thousands).

	Three months ended March 31, 2023
Interest income	$	77,235
Net Income/(Loss) Available to Common Stockholders	15,104

The unaudited supplemental pro forma financial information includes adjustments to reflect the deconsolidation of certain VIEs held by WMC, as well as adjustments to management fees and certain other expenses. The unaudited supplemental pro forma financial information does not include any anticipated expense synergies or other anticipated benefits of the Merger and, accordingly, the unaudited supplemental pro forma financial information is not necessarily indicative of either future results of operations or results that might have been achieved had the Merger occurred on January 1, 2023.

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Summary of significant accounting policies

3 Months Ended

Mar. 31, 2024

Accounting Policies [Abstract]

Summary of significant accounting policies

Summary of significant accounting policies

Consolidation and basis of presentation

The accompanying unaudited consolidated financial statements and related notes have been prepared on the accrual basis of accounting in accordance with accounting principles generally accepted in the United States of America ("GAAP") for interim financial reporting and the instructions to Form 10-Q and Rule 10-01 of Regulation S-X. The operating results presented for interim periods are not necessarily indicative of the results that may be expected for any other interim period or for the entire year. In the opinion of management, all adjustments considered necessary for a fair statement of the Company’s financial position, results of operations, and cash flows have been included for the interim period and are of a normal and recurring nature. The operating results presented for interim periods are not necessarily indicative of the results that may be expected for any other interim period or for the entire year.

Significant accounting policies

There have been no significant changes to the Company's accounting policies included in Note 2 to the consolidated financial statements of the Company’s Form 10-K for the year ended December 31, 2023. These unaudited consolidated financial statements and related notes should be read in conjunction with the consolidated financial statements and related notes for the year ended December 31, 2023 included in the Company’s Form 10-K.

Use of estimates

The preparation of consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. Actual results may differ from those estimates.

Investment consolidation

An entity is a variable interest entity ("VIE") if the equity investors (i) do not have sufficient equity at risk for the entity to finance its activities without additional subordinated financial support, (ii) are unable to direct the entity’s activities or (iii) are not exposed to the entity’s losses or entitled to its residual returns. VIEs within the scope of Accounting Standards Codification ("ASC") 810-10, "Consolidation" are required to be consolidated by their primary beneficiary. The primary beneficiary of a VIE is determined to be the party that has both the power to direct the activities of a VIE that most significantly impact the VIE’s economic performance and the obligation to absorb losses or the right to receive benefits from the VIE that could potentially be significant to the VIE. This determination can sometimes involve complex and subjective analyses. Further, ASC 810-10 also requires ongoing assessments of whether an enterprise is the primary beneficiary of a VIE. In accordance with ASC 810-10, all transferees, including variable interest entities, must be evaluated for consolidation. If the Company determines that consolidation is not required, it will then assess whether the transfer of the underlying assets would qualify as a sale, should be accounted for as secured financings under GAAP, or should be accounted for as an equity method investment, depending on the circumstances.

A Special Purpose Entity ("SPE") is an entity designed to fulfill a specific limited need of the company that organized it. SPEs are often used to facilitate transactions that involve securitizing financial assets or resecuritizing previously securitized financial assets. The objective of such transactions may include obtaining non-recourse financing, obtaining liquidity or refinancing the underlying securitized financial assets on improved terms. Securitization involves transferring assets to an SPE to convert all or a portion of those assets into cash before they would have been realized in the normal course of business through the SPE’s issuance of debt or equity instruments. Investors in an SPE usually have recourse only to the assets in the SPE and depending on the overall structure of the transaction, may benefit from various forms of credit enhancement, such as over-collateralization in the form of excess assets in the SPE, priority with respect to receipt of cash flows relative to holders of other debt or equity instruments issued by the SPE, or a line of credit or other form of liquidity agreement that is designed with the objective of ensuring that investors receive principal and/or interest cash flow on the investment in accordance with the terms of their investment agreement.

The Company enters into securitization transactions collateralized by its Non-Agency Loans/Agency-Eligible Loans and re- and non-performing loans (the trusts in which these loans are deposited are referred to as "Non-Agency VIEs" and "RPL/NPL VIEs", respectively), which may result in the Company consolidating the respective VIEs that are created to facilitate these securitizations. Based on the evaluations of each VIE, the Company may conclude that the VIEs should be consolidated and, as a result, transferred assets of these VIEs would be determined to be secured borrowings. Upon consolidation, the Company elected the fair value option pursuant to ASC 825 for the assets and liabilities of the Non-Agency VIEs and RPL/NPL VIEs. Electing the fair value option allows the Company to record changes in fair value in the consolidated statement of operations, which, in management's view, more appropriately reflects the results of operations for a particular reporting period as all activities will be recorded in a similar manner. The Company applied the guidance under ASC 810-10 (Measuring the Financial Assets and the Financial Liabilities of a Consolidated Collateralized Financing Entity) whereby the Company determines whether the fair value of the assets or liabilities of the Non-Agency VIEs and RPL/NPL VIEs are more observable as a basis for measuring the less observable financial instruments. The Company has determined that the fair value of the liabilities of the Non-Agency VIEs and RPL/NPL VIEs are more observable since the prices for these liabilities are more easily determined as similar instruments trade more frequently on a relative basis than the individual assets of the VIEs. See Note 3 for more detail regarding the Non-Agency VIEs and RPL/NPL VIEs and Note 5 for more detail related to the Company's determination of fair value for the assets and liabilities included within these VIEs.

Debt issuance costs

Debt issuance costs are costs incurred by the Company in connection with the issuance of Senior Unsecured Notes or other financing where the fair value option has not been elected. These costs may include underwriting commissions, rating agency, legal, accounting, and other fees. Debt issuance costs are included on the Company’s consolidated balance sheets as a direct reduction from the related financing liability. These costs are deferred and amortized over the life of the related financing as an adjustment to interest expense using the effective interest method.

Recent accounting pronouncements

Debt with conversion and other options

In August 2020, FASB issued ASU 2020-06, "Debt-Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging- Contracts in Entity's Own Equity (Subtopic 815-40)." The amendments in this update affect entities that issue convertible instruments and/or contracts in an entity's own equity. For convertible instruments, the instruments primarily affected are those issued with beneficial conversion features or cash conversion features because the accounting models for those specific features are removed. This ASU is effective for the year ended December 31, 2024. The Company's adoption of ASU 2020-06 during the three months ended March 31, 2024 did not have a material impact on the consolidated financial statements.

Segment Reporting

In November 2023, the FASB issued ASU 2023-07, "Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures." ASU 2023-07 intends to improve reportable segment disclosure requirements, primarily through enhanced disclosures related to significant segment expenses. In addition, this standard is expected to enhance interim disclosure requirements, clarify circumstances in which an entity can disclose multiple segment measures of profit or loss and provides new segment disclosure requirements for entities with a single reportable segment. ASU 2023-07 is effective on a retrospective basis for annual periods beginning after December 15, 2023, for interim periods within fiscal years beginning after December 15, 2024, and early adoption is permitted. The Company does not expect the adoption of the new standard to have a material effect on its consolidated financial statements.

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Loans

3 Months Ended

Mar. 31, 2024

Receivables [Abstract]

Loans

Loans

Residential mortgage loans

The tables below detail information regarding the Company’s residential mortgage loan portfolio as of March 31, 2024 and December 31, 2023 ($ in thousands). The gross unrealized gains/(losses) in the table below represent inception to date gains/(losses).

	Unpaid Principal Balance						Gross Unrealized						Weighted Average
March 31, 2024			Premium (Discount)		Amortized Cost		Gains		Losses		Fair Value		Coupon		Yield		Life  (Years) (1)
Securitized residential mortgage loans, at fair value (2)
Non-Agency Loans (3)	$	5,854,878	$	(25,250)	$	5,829,628	$	33,960	$	(396,033)	$	5,467,555	5.33	%	5.64	%	9.63
Re- and Non-Performing Loans	212,525		(16,622)		195,903		—		(18,454)		177,449		3.97	%	6.27	%	5.78
Total Securitized residential mortgage loans, at fair value	$	6,067,403	$	(41,872)	$	6,025,531	$	33,960	$	(414,487)	$	5,645,004	5.28	%	5.66	%	9.49
Residential mortgage loans, at fair value
Non-Agency Loans	$	97,544	$	1,112	$	98,656	$	1,131	$	(643)	$	99,144	8.16	%	7.15	%	3.09
Agency-Eligible Loans	99,930		2,397		102,327		658		(30)		102,955		7.72	%	6.98	%	3.67
Re- and Non-Performing Loans	2,439		(1,519)		920		1,332		—		2,252		N/A		116.45	%	1.62
Total Residential mortgage loans, at fair value	$	199,913	$	1,990	$	201,903	$	3,121	$	(673)	$	204,351	7.94	%	8.27	%	3.36
Total as of March 31, 2024	$	6,267,316	$	(39,882)	$	6,227,434	$	37,081	$	(415,160)	$	5,849,355	5.36	%	5.75	%	9.30
	Unpaid Principal Balance						Gross Unrealized						Weighted Average
December 31, 2023			Premium (Discount)		Amortized Cost		Gains		Losses		Fair Value		Coupon		Yield		Life  (Years) (1)
Securitized residential mortgage loans, at fair value (2)
Non-Agency Loans (3)	$	5,599,960	$	(32,250)	$	5,567,710	$	29,603	$	(422,144)	$	5,175,169	5.19	%	5.51	%	10.37
Re- and Non-Performing Loans	217,098		(17,465)		199,633		199		(16,720)		183,112		3.88	%	6.30	%	6.10
Total Securitized residential mortgage loans, at fair value	$	5,817,058	$	(49,715)	$	5,767,343	$	29,802	$	(438,864)	$	5,358,281	5.14	%	5.54	%	10.21
Residential mortgage loans, at fair value
Non-Agency Loans	$	92,033	$	835	$	92,868	$	2,222	$	(574)	$	94,516	8.10	%	7.29	%	3.14
Agency-Eligible Loans	212,350		3,535		215,885		4,824		—		220,709		7.94	%	7.28	%	3.37
Re- and Non-Performing Loans	2,604		(1,630)		974		1,432		—		2,406		N/A		112.97	%	1.69
Total Residential mortgage loans, at fair value	$	306,987	$	2,740	$	309,727	$	8,478	$	(574)	$	317,631	7.99	%	8.08	%	3.29
Total as of December 31, 2023	$	6,124,045	$	(46,975)	$	6,077,070	$	38,280	$	(439,438)	$	5,675,912	5.28	%	5.68	%	9.86

(1)This is based on projected life. Typically, actual maturities are shorter than stated contractual maturities. Maturities are affected by the lives of the underlying mortgage loans, periodic payments of principal, and prepayments of principal.

(2)Refer to the "Variable interest entities" section below for additional details related to the assets and liabilities of VIEs consolidated on the Company's consolidated balance sheets.

(3)Securitized Non-Agency Loans include loans that were considered to be Agency-Eligible prior to the Company's securitization.

The following tables present information regarding credit quality of the Company's residential mortgage loans ($ in thousands).

	Unpaid Principal Balance			Weighted Average (1)(2)			Aging by Unpaid Principal Balance (1)(3)
March 31, 2024			Loan Count (1)	Original LTV Ratio (4)		Current FICO (5)	Current		30-59 Days		60-89 Days		90+ Days
Securitized residential mortgage loans
Non-Agency Loans	$	5,854,878	14,239	67.03	%	748	$	5,674,716	$	68,456	$	41,483	$	70,223
Re- and Non-Performing Loans	212,525		1,459	79.78	%	659	149,877		17,683		7,690		37,275
Total Securitized residential mortgage loans	$	6,067,403	15,698	67.48	%	745	$	5,824,593	$	86,139	$	49,173	$	107,498
Residential mortgage loans
Non-Agency Loans	$	97,544	182	74.36	%	726	$	91,110	$	731	$	—	$	5,703
Agency-Eligible Loans	99,930		258	72.86	%	771	99,930		—		—		—
Re- and Non-Performing Loans (1)	2,439		N/A	N/A		N/A	N/A		N/A		N/A		N/A
Total Residential mortgage loans	$	199,913	440	73.60	%	749	$	191,040	$	731	$	—	$	5,703
Total as of March 31, 2024	$	6,267,316	16,138	67.67	%	745	$	6,015,633	$	86,870	$	49,173	$	113,201
	Unpaid Principal Balance			Weighted Average (1)(2)			Aging by Unpaid Principal Balance (1)(3)
December 31, 2023			Loan Count (1)	Original LTV Ratio (4)		Current FICO (5)	Current		30-59 Days		60-89 Days		90+ Days
Securitized residential mortgage loans
Non-Agency Loans	$	5,599,960	13,460	66.65	%	748	$	5,446,631	$	68,242	$	30,873	$	54,214
Re- and Non-Performing Loans	217,098		1,495	79.80	%	657	154,632		17,145		4,780		40,541
Total Securitized residential mortgage loans	$	5,817,058	14,955	67.14	%	744	$	5,601,263	$	85,387	$	35,653	$	94,755
Residential mortgage loans
Non-Agency Loans	$	92,033	170	74.79	%	730	$	83,582	$	1,010	$	615	$	6,826
Agency-Eligible Loans	212,350		536	71.99	%	777	211,499		851		—		—
Re- and Non-Performing Loans (1)	2,604		N/A	N/A		N/A	N/A		N/A		N/A		N/A
Total Residential mortgage loans	$	306,987	706	72.83	%	764	$	295,081	$	1,861	$	615	$	6,826
Total as of December 31, 2023	$	6,124,045	15,661	67.42	%	745	$	5,896,344	$	87,248	$	36,268	$	101,581

(1)Loan count, weighted average, and aging data excludes the Re- and Non-Performing Loans subcategory of Residential mortgage loans above as there may be limited data available regarding the underlying collateral of these residual positions.

(2)Amounts are weighted based on unpaid principal balance.

(3)As of March 31, 2024, the Company had securitized residential mortgage loans and residential mortgage loans that were 90+ days delinquent with a fair value of $52.2 million and loans in the process of foreclosure with a fair value of $52.6 million. As of December 31, 2023, the Company had securitized residential mortgage loans and residential mortgage loans that were 90+ days delinquent with a fair value of $41.7 million and loans in the process of foreclosure with a fair value of $51.8 million.

(4)Represents the original LTV or, for Re- and Non-Performing Loans and Non-Agency Loans acquired from WMC, the LTV at acquisition.

(5)Weighted average current FICO excludes borrowers where FICO scores were not available. Data is based on the latest available information, which is primarily as of February 29, 2024 and November 30, 2023, respectively.

As of March 31, 2024 and December 31, 2023, 11.4% and 12.0%, respectively, of the unpaid principal balance of the Company's securitized residential mortgage loans and residential mortgage loans were adjustable rate mortgages.

During the three months ended March 31, 2024 and 2023, the Company purchased residential mortgage loans, as detailed below (in thousands).

	Three Months Ended March 31, 2024				Three Months Ended March 31, 2023
	Unpaid Principal Balance		Fair Value		Unpaid Principal Balance		Fair Value
Non-Agency Loans	$	14,046	$	14,214	$	22,550	$	22,954
Agency-Eligible Loans	268,086		271,084		—		—
Total	$	282,132	$	285,298	$	22,550	$	22,954

The Company did not sell any residential mortgage loans during the three months ended March 31, 2024. For the three months ended March 31, 2023, the Company sold residential mortgage loans as detailed below ($ in thousands).

	Number of Loans	Proceeds		Realized Gains		Realized Losses
Non-Agency Loans	116	$	46,909	$	—	$	(9,745)
Agency-Eligible Loans	47	18,474		69		(85)

The Company’s residential mortgage loan portfolio consists of mortgage loans on residential real estate located throughout the United States. The following is a summary of the geographic concentration of credit risk as of March 31, 2024 and December 31, 2023 and includes states where the exposure is greater than 5% of the fair value of the Company's residential mortgage loan portfolio.

 

Geographic Concentration of Credit Risk (1)	March 31, 2024		December 31, 2023
California	37	%	38	%
New York	13	%	13	%
Florida	10	%	10	%
Texas	6	%	6	%
New Jersey	5	%	5	%

(1)Excludes the Re- and Non-Performing Loans subcategory of Residential mortgage loans above as there may be limited data available regarding the underlying collateral of these residual positions.

Variable interest entities

The Company entered into securitization transactions collateralized by its Non-Agency Loans/Agency-Eligible Loans and re- and non-performing loans, which are considered VIEs. The Company was determined to be the primary beneficiary of the VIEs and, as a result, consolidated the assets and liabilities of the VIEs on its consolidated balance sheets. In a securitization transaction, a pool of loans is transferred to a wholly-owned subsidiary of the Company and the loans are deposited into a newly created securitization trust. The securitization trust issues various classes of mortgage pass-through certificates backed by the cash flows from the underlying residential mortgage loans (the "Certificates"). As the sponsor of the securitization, the Company retains certain Certificates issued by the securitization trusts in order to satisfy risk retention rules, which generally require the sponsor to retain at least 5% of the fair value of the Certificates issued in the securitization. The Company's continuing involvement in these securitizations represents its retained Certificates and the ability to purchase all of the outstanding Certificates upon the occurrence of certain events through an optional redemption right held by the Company. The Company has also engaged a related party of the Manager and direct subsidiary of TPG Angelo Gordon to act as the servicing administrator of certain securitization trusts.

The following table details certain information related to the assets and liabilities of the Non-Agency VIEs as of March 31, 2024 and December 31, 2023 ($ in thousands).

	March 31, 2024					December 31, 2023
	Carrying Value		Weighted Average			Carrying Value		Weighted Average
			Yield		Life (Years) (1)			Yield		Life (Years) (1)
Assets
Securitized residential mortgage loans, at fair value (2)	$	5,467,555	5.64	%	9.63	$	5,175,169	5.51	%	10.37
Other assets	26,870					25,105
Total Assets	$	5,494,425				$	5,200,274
Liabilities
Securitized debt, at fair value (2) (3)	$	4,871,205	5.07	%	7.10	$	4,597,490	4.94	%	7.52
Other liabilities	18,740					17,269
Total Liabilities	$	4,889,945				$	4,614,759
Total Equity (4)	$	604,480				$	585,515

(1)This is based on projected life. Typically, actual maturities are shorter than stated contractual maturities. Maturities are affected by the contractual lives of the underlying mortgages, periodic payments of principal, and prepayments of principal.

(2)Securitized residential mortgage loans in Non-Agency VIEs include loans that were considered to be Agency-Eligible prior to the Company's securitization.

(3)The holders of the securitized debt have no recourse to the general credit of the Company. The Company has no obligation to provide any other explicit or implicit support to the Non-Agency VIEs.

(4)As of March 31, 2024 and December 31, 2023, the Company had outstanding financing arrangements of $315.0 million and $301.2 million, respectively, collateralized by $597.4 million and $578.8 million of the Company's retained interests in the Non-Agency VIEs, respectively. See Note 6 for more detail regarding the Company's financing arrangements.

The following table details certain information related to the assets and liabilities of the RPL/NPL VIEs as of March 31, 2024 and December 31, 2023 ($ in thousands).

	March 31, 2024					December 31, 2023
	Carrying Value		Weighted Average			Carrying Value		Weighted Average
			Yield		Life (Years) (1)			Yield		Life (Years) (1)
Assets
Securitized residential mortgage loans, at fair value	$	177,449	6.27	%	5.78	$	183,112	6.30	%	6.10
Restricted cash	17					10
Other assets	1,736					2,056
Total Assets	$	179,202				$	185,178
Liabilities
Securitized debt, at fair value (2)	$	109,737	3.28	%	3.86	$	114,133	3.25	%	3.77
Other liabilities	322					328
Total Liabilities	$	110,059				$	114,461
Total Equity (3)	$	69,143				$	70,717

(1)This is based on projected life. Typically, actual maturities are shorter than stated contractual maturities. Maturities are affected by the contractual lives of the underlying mortgages, periodic payments of principal, and prepayments of principal.

(2)The holders of the securitized debt have no recourse to the general credit of the Company. The Company has no obligation to provide any other explicit or implicit support to the RPL/NPL VIEs.

(3)As of March 31, 2024 and December 31, 2023, the Company had outstanding financing arrangements of $43.6 million and $44.9 million, respectively, collateralized by $66.0 million and $67.1 million of the Company's retained interests in the RPL/NPL VIEs, respectively. See Note 6 for more detail regarding the Company's financing arrangements.

Revolving Mortgage Investment Trust 2015-1QR2

Revolving Mortgage Investment Trust 2015-1QR2 ("RMI 2015 Trust") was acquired in the WMC acquisition and holds Non-Agency Loans and real estate owned ("REO"). RMI 2015 Trust issued a trust certificate that is wholly-owned by the Company and represents the entire beneficial interest in Non-Agency Loans and REO held by the trust. The Company consolidates the trust since it meets the definition of a VIE and the Company was determined to be the primary beneficiary. The Company classifies the underlying Non-Agency Loans and REO owned by the trust in the "Residential mortgage loans, at fair value" and "Other assets" line items on the consolidated balance sheets, respectively, and has eliminated the intercompany trust certificate in consolidation.

As of March 31, 2024, the RMI 2015 Trust holds Non-Agency Loans with a fair value of $5.3 million and REO with a carrying value of $3.4 million. As of December 31, 2023, the RMI 2015 Trust held Non-Agency Loans with a fair value of $6.6 million and REO with a carrying value of $3.4 million.

Legacy WMC Commercial loans

The tables below detail information regarding the Company's Legacy WMC Commercial loan portfolio as of March 31, 2024 and December 31, 2023 ($ in thousands). The gross unrealized gains/(losses) in the table below represent inception to date gains/(losses).

March 31, 2024			Premium / (Discount)		Amortized Cost		Gross Unrealized Gains		Fair Value		Weighted Average					Maturity Date (5)	LTV (6)		Location
Loan (1)(2)(3)	Unpaid Principal Balance										Coupon		Yield		Life (Years) (4)
Loan A (7)	$	7,259	$	(124)	$	7,135	$	25	$	7,160	9.52	%	10.76	%	1.18	5/6/2025	61.63	%	IL, FL
Loan B (7)	13,206		(226)		12,980		47		13,027		9.52	%	10.76	%	1.18	5/6/2025	75.33	%	CA
Loan C (7)	24,535		(420)		24,115		86		24,201		9.52	%	10.76	%	1.18	5/6/2025	77.22	%	NY
Loan D (8)	22,204		(167)		22,037		49		22,086		8.70	%	8.67	%	1.44	8/6/2025	42.50	%	CT
Total	$	67,204	$	(937)	$	66,267	$	207	$	66,474	9.25	%	10.06	%	1.27		63.63	%

December 31, 2023			Premium / (Discount)		Amortized Cost		Gross Unrealized Gains		Fair Value		Weighted Average					Maturity Date (5)	LTV (6)		Location
Loan (1)(2)(3)	Unpaid Principal Balance										Coupon		Yield		Life (Years) (4)
Loan A (7)	$	7,259	$	(137)	$	7,122	$	12	$	7,134	9.55	%	10.16	%	1.44	5/6/2025	61.63	%	IL, FL
Loan B (7)	13,206		(249)		12,957		22		12,979		9.55	%	10.16	%	1.44	5/6/2025	75.33	%	CA
Loan C (7)	24,535		(463)		24,072		40		24,112		9.55	%	10.16	%	1.44	5/6/2025	77.22	%	NY
Loan D (8)	22,204		(147)		22,057		21		22,078		8.72	%	8.17	%	1.69	8/6/2025	42.50	%	CT
Total	$	67,204	$	(996)	$	66,208	$	95	$	66,303	9.27	%	9.50	%	1.52		63.61	%

(1)The Company has the contractual right to receive a balloon payment for each loan.

(2)Each commercial loan investment is a first mortgage loan.

(3)Each commercial loan has a current payment status.

(4)Actual maturities of commercial loans may be shorter or longer than stated contractual maturities. Maturities are affected by prepayments of principal.

(5)Represents maturity date of the last possible extension option.

(6)Represents the LTV at acquisition.

(7)Loans A, B, and C have a floating rate coupon equal to 4.20% plus one-month SOFR and are collateralized by hotels.

(8)Loan D has a floating rate coupon equal to 3.38% plus one-month SOFR and is collateralized by a retail property.

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Real Estate Securities

3 Months Ended

Mar. 31, 2024

Investments, Debt and Equity Securities [Abstract]

Real Estate Securities

Real Estate Securities

The following tables detail the Company’s real estate securities portfolio as of March 31, 2024 and December 31, 2023 ($ in thousands). The gross unrealized gains/(losses) in the tables below represent inception to date unrealized gains/(losses). 

	Current Face		Premium / (Discount)		Amortized Cost		Gross Unrealized						Weighted Average
March 31, 2024							Gains		Losses		Fair Value		Coupon (1)		Yield
Non-Agency RMBS
GCAT Non-Agency RMBS (2)
GCAT Non-Agency Securities	$	43,794	$	(2,179)	$	41,615	$	—	$	(7,406)	$	34,209	4.67	%	6.01	%
GCAT Non-Agency RMBS Interest Only (3)	N/A		N/A		2,455		2,499		—		4,954		0.54	%	37.04	%
Total GCAT Non-Agency RMBS	43,794		(2,179)		44,070		2,499		(7,406)		39,163		2.53	%	9.94	%
Non-Agency Securities	40,930		(9,856)		31,074		3,166		(107)		34,133		6.21	%	8.41	%
Non-Agency RMBS Interest Only (3)	N/A		N/A		176		4		—		180		0.21	%	26.83	%
Total Non-Agency RMBS	84,724		(12,035)		75,320		5,669		(7,513)		73,476		3.02	%	9.27	%
Legacy WMC CMBS	103,399		(46,027)		57,372		944		(3,927)		54,389		7.38	%	20.97	%
Legacy WMC Other Securities (4)	N/A		N/A		1,120		100		—		1,220		N/A		19.45	%
Agency RMBS
30 Year Fixed Rate	121,708		123		121,831		—		(111)		121,720		5.50	%	5.48	%
Agency RMBS Interest Only (3)	N/A		N/A		22,104		99		(1,140)		21,063		4.01	%	10.59	%
Total Agency RMBS	121,708		123		143,935		99		(1,251)		142,783		4.77	%	6.24	%
Total as of March 31, 2024	$	309,831	$	(57,939)	$	277,747	$	6,812	$	(12,691)	$	271,868	4.74	%	10.06	%

	Current Face		Premium / (Discount)		Amortized Cost		Gross Unrealized						Weighted Average
December 31, 2023							Gains		Losses		Fair Value		Coupon (1)		Yield
Non-Agency RMBS
GCAT Non-Agency RMBS (2)
GCAT Non-Agency Securities	$	43,794	$	(2,281)	$	41,513	$	—	$	(8,971)	$	32,542	4.67	%	5.99	%
GCAT Non-Agency RMBS Interest Only (3)	N/A		N/A		2,541		2,450		—		4,991		—	%	37.74	%
Total GCAT Non-Agency RMBS	43,794		(2,281)		44,054		2,450		(8,971)		37,533		2.20	%	10.21	%
Non-Agency Securities	82,390		(33,399)		48,991		2,139		(124)		51,006		4.99	%	9.11	%
Non-Agency RMBS Interest Only (3)	N/A		N/A		1,116		1		(34)		1,083		0.35	%	16.04	%
Total Non-Agency RMBS	126,184		(35,680)		94,161		4,590		(9,129)		89,622		2.17	%	9.66	%
Legacy WMC CMBS	103,458		(46,925)		56,533		546		(730)		56,349		7.39	%	21.90	%
Legacy WMC Other Securities (4)	N/A		N/A		1,174		—		(18)		1,156		N/A		18.16	%
Agency RMBS Interest Only (3)	N/A		N/A		16,714		115		(1,135)		15,694		3.74	%	10.20	%
Total as of December 31, 2023	$	229,642	$	(82,605)	$	168,582	$	5,251	$	(11,012)	$	162,821	3.54	%	14.01	%

(1)Equity residual investments with a zero coupon rate are excluded from this calculation.

(2)GCAT Non-Agency RMBS are securities issued under Gold Creek Asset Trust ("GCAT"), which is the TPG Angelo Gordon securitization shelf under which the Company or private funds under the management of TPG Angelo Gordon securitize loans. Refer to the "Unconsolidated variable interest entities" section below for additional details on these securities.

(3)Interest Only have no principal balances and bear interest based on a notional value. The notional value is used solely to determine interest distributions on the interest only classes of securities. As of March 31, 2024, the notional values of the GCAT Non-Agency RMBS Interest Only, Non-Agency RMBS Interest Only and Agency RMBS Interest Only line items were $93.9 million, $30.6 million and $114.8 million, respectively. As of December 31, 2023, the notional values of the GCAT Non-Agency RMBS Interest Only, Non-Agency RMBS Interest Only and Agency RMBS Interest Only line items were $98.3 million, $128.8 million and $92.2 million, respectively.

(4)Legacy WMC Other securities include residual interests in asset-backed securities which have no principal balance.

The following tables summarize the Company's real estate securities according to their projected weighted average life classifications as of March 31, 2024 and December 31, 2023 ($ in thousands).

March 31, 2024	Non-Agency RMBS				Legacy WMC CMBS				Legacy WMC Other Securities				Agency RMBS
Weighted Average Life (1)	Fair Value		Amortized Cost		Fair Value		Amortized Cost		Fair Value		Amortized Cost		Fair Value		Amortized Cost
Less than or equal to one year	$	—	$	—	$	18,348	$	20,595	$	—	$	—	$	—	$	—
Greater than one year and less than or equal to five years	3,546		3,502		36,041		36,777		—		—		609		632
Greater than five years and less than or equal to ten years	38,425		39,112		—		—		1,220		1,120		142,174		143,303
Greater than ten years	31,505		32,706		—		—		—		—		—		—
Total as of March 31, 2024	$	73,476	$	75,320	$	54,389	$	57,372	$	1,220	$	1,120	$	142,783	$	143,935

December 31, 2023	Non-Agency RMBS				Legacy WMC CMBS				Legacy WMC Other Securities				Agency RMBS
Weighted Average Life (1)	Fair Value		Amortized Cost		Fair Value		Amortized Cost		Fair Value		Amortized Cost		Fair Value		Amortized Cost
Less than or equal to one year	$	—	$	—	$	15,015	$	15,010	$	—	$	—	$	—	$	—
Greater than one year and less than or equal to five years	4,631		4,669		41,334		41,523		—		—		697		678
Greater than five years and less than or equal to ten years	38,792		40,539		—		—		1,156		1,174		14,997		16,036
Greater than ten years	46,199		48,953		—		—		—		—		—		—
Total as of December 31, 2023	$	89,622	$	94,161	$	56,349	$	56,533	$	1,156	$	1,174	$	15,694	$	16,714

(1)This is based on projected life. Typically, actual maturities are shorter than stated contractual maturities. Maturities are affected by the contractual lives of the underlying mortgages, periodic payments of principal and prepayments of principal.

The Company sold real estate securities during the three months ended March 31, 2024, as detailed below ($ in thousands). The Company did not sell any real estate securities during the three months ended March 31, 2023.

	Number of Securities	Proceeds		Realized Gains		Realized Losses
Three Months Ended March 31, 2024	7	$	19,318	$	1,160	$	(409)

Unconsolidated variable interest entities

The Company's Non-Agency RMBS includes certain securities retained from a rated Non-QM Loan securitization the Company participated in alongside a private fund under the management of TPG Angelo Gordon and issued under the GCAT shelf. Upon evaluating its investment in the VIE, the Company determined it was not the primary beneficiary and, as a result, did not consolidate the securitization trust. The Company has a 40.9% interest in the retained subordinate tranches which represents its continuing involvement in the securitization trust.

During 2023, the Company purchased non-risk retention bonds from Mortgage Acquisition Holding I LLC ("MATH"), an entity the Company invests in alongside private funds under the management of TPG Angelo Gordon. Through its 44.6% investment in MATH, the Company participated in rated Non-QM Loan securitizations issued under the GCAT shelf. As of March 31, 2024 and December 31, 2023, the Company's Non-Agency RMBS includes the non-risk retention bonds from these securitizations acquired from MATH. Upon evaluating its investment in these VIEs, the Company determined it was not the primary beneficiary and, as a result, did not consolidate the securitization trusts sponsored by MATH. The Company has a 57.7% interest in the non-risk retention bonds recorded on its consolidated balance sheets and a 47.0% interest in the risk retention bonds through its investment in MATH which together represent its continuing involvement in the securitization trusts. See Note 10 for additional details on the MATH transaction.

The following table summarizes the Company’s investment in unconsolidated VIEs as of March 31, 2024 and December 31, 2023 (in thousands).

	March 31, 2024				December 31, 2023
	Current Face		Fair Value		Current Face		Fair Value
Retained interest in unconsolidated VIEs
GCAT Non-Agency Securities	$	43,794	$	34,209	$	43,794	$	32,542
GCAT Non-Agency RMBS Interest Only (1)	N/A		4,954		N/A		4,991
Total retained interest in unconsolidated VIEs (2) (3)	$	43,794	$	39,163	$	43,794	$	37,533

(1)Interest Only have no principal balances and bear interest based on a notional value. The notional value is used solely to determine interest distributions on the interest only classes of securities. As of March 31, 2024 and December 31, 2023, the notional values of the GCAT Non-Agency RMBS Interest Only line item were $93.9 million and $98.3 million, respectively.

(2)Maximum loss exposure from the Company’s involvement with unconsolidated VIEs pertains to the fair value of the securities retained from these VIEs. The Company has no obligation to provide any other explicit or implicit support to the securitization trust.

(3)As of March 31, 2024 and December 31, 2023, the Company held securities exposed to the first loss of the securitization with a fair value of $4.1 million and $4.1 million, respectively.

The following table summarizes information regarding the residential mortgage loans transferred to the Company’s unconsolidated VIEs as of March 31, 2024 and December 31, 2023 ($ in thousands).

Assets transferred to unconsolidated VIEs:	March 31, 2024			December 31, 2023
Total unpaid principal balance of loans outstanding (1)	$	436,585		$	450,366
Weighted average coupon on loans outstanding	5.68		%	5.67		%
Percent of unpaid principal balance greater than 90 days delinquent (2)	1.57		%	1.94		%

(1)The Company contributed approximately 40.9% of the unpaid principal balance into one of the securitization trusts and, through the Company's investment in MATH, contributed approximately 44.6% of the unpaid principal balance into the remaining four securitization trusts.

(2)As of March 31, 2024, 0.88% of loans were 90+ days delinquent and 0.69% of loans were in process of foreclosure. As of December 31, 2023, 0.70% of loans were 90+ days delinquent and 1.24% loans were in process of foreclosure.

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Fair value measurements

3 Months Ended

Mar. 31, 2024

Fair Value Disclosures [Abstract]

Fair value measurements

Fair value measurements

The fair value of the Company's financial instruments is determined in accordance with the provisions of ASC 820, "Fair Value Measurements and Disclosures." When possible, the Company determines fair value using third-party data sources. ASC 820 establishes a hierarchy that prioritizes the inputs to valuation techniques. Level 1 inputs are observable inputs that reflect quoted prices for identical assets or liabilities in active markets. Level 2 inputs are observable inputs other than quoted prices and may include quoted prices for similar assets and liabilities in active markets. Level 3 inputs are significant unobservable inputs. In situations where quoted prices or observable inputs are unavailable (for example, when there is little or no market activity for an investment at the end of the period), unobservable inputs may be used and reflect the Company’s assumptions about the factors that market participants would use in pricing an asset or liability, and would be based on the best information available. In certain cases, inputs used to measure fair value fall into different levels of the fair value hierarchy. In such cases, the level at which the fair value measurement falls is determined based on the lowest level input that is significant to the fair value measurement.

The following tables present the Company’s financial instruments measured at fair value on a recurring basis as of March 31, 2024 and December 31, 2023 (in thousands).

	Fair Value at March 31, 2024
	Level 1		Level 2		Level 3		Total
Assets:
Securitized residential mortgage loans	$	—	$	—	$	5,645,004	$	5,645,004
Residential mortgage loans	—		795		203,556		204,351
Legacy WMC Commercial Loans	—		—		66,474		66,474
Non-Agency RMBS	—		34,313		39,163		73,476
Legacy WMC CMBS	—		51,121		3,268		54,389
Legacy WMC Other Securities	—		—		1,220		1,220
Agency RMBS	—		142,783		—		142,783
Derivative assets (1)	—		10,351		472		10,823
Cash equivalents (2)	96,628		—		—		96,628
AG Arc (3)	—		—		33,190		33,190
Total Assets Measured at Fair Value	$	96,628	$	239,363	$	5,992,347	$	6,328,338
Liabilities:
Securitized debt	$	—	$	—	$	(4,980,942)	$	(4,980,942)
Derivative liabilities (1)	—		(1,147)		(159)		(1,306)
Total Liabilities Measured at Fair Value	$	—	$	(1,147)	$	(4,981,101)	$	(4,982,248)
	Fair value at December 31, 2023
	Level 1		Level 2		Level 3		Total
Assets:
Securitized residential mortgage loans	$	—	$	—	$	5,358,281	$	5,358,281
Residential mortgage loans	—		777		316,854		317,631
Legacy WMC Commercial loans	—		—		66,303		66,303
Non-Agency RMBS	—		52,089		37,533		89,622
Legacy WMC CMBS	—		50,553		5,796		56,349
Legacy WMC Other Securities	—		—		1,156		1,156
Agency RMBS	—		15,694		—		15,694
Derivative assets (1)	—		9,433		1,172		10,605
Cash equivalents (2)	95,749		—		—		95,749
AG Arc (3)	—		—		33,574		33,574
Total Assets Measured at Fair Value	$	95,749	$	128,546	$	5,820,669	$	6,044,964
Liabilities:
Securitized debt	$	—	$	—	$	(4,711,623)	$	(4,711,623)
Derivative liabilities (1)	—		(7,783)		(7)		(7,790)
Total Liabilities Measured at Fair Value	$	—	$	(7,783)	$	(4,711,630)	$	(4,719,413)

(1)As of March 31, 2024, the Company applied a reduction in fair value of $10.1 million and $1.0 million to its interest rate swap assets and liabilities, respectively, related to variation margin with a corresponding increase or decrease in restricted cash. As of December 31, 2023, the Company applied a reduction in fair value of $9.3 million and $7.7 million to its interest rate swap assets and liabilities, respectively, related to variation margin with a corresponding increase or decrease in restricted cash. Derivative assets and liabilities are included in the "Other assets" and "Other liabilities" line items on the consolidated balance sheets, respectively. Refer to Note 7 for more information on the Company's derivatives.

(2)The Company classifies highly liquid investments with original maturities of three months or less from the date of purchase as cash equivalents. Cash equivalents may include cash invested in money market funds and are carried at cost, which approximates fair value.

(3)The table above includes the Company's investment in AG Arc, which is included in its "Investments in debt and equity of affiliates" line item on the consolidated balance sheets, as the Company has chosen to elect the fair value option with respect to its investment pursuant to ASC 825.

The valuation of the Company’s residential mortgage loans, securitized debt relating to the Non-Agency VIEs and RPL/NPL VIEs, commercial loans, certain securities, and forward purchase commitments is determined by the Manager using third-party pricing services where available, valuation analyses from third-party pricing service providers, or model-based pricing. Third-party pricing service providers conduct independent valuation analyses based on a review of source documents, available market data, and comparable investments. The analyses provided by valuation service providers are reviewed and considered by the Manager. The evaluation considers the underlying characteristics of each loan, which are observable inputs, including: coupon, maturity date, loan age, reset date, collateral type, periodic and life cap, geography, and prepayment speeds. The Company also considers loan servicing data, as available, forward interest rates, general economic conditions, home price index forecasts, and valuations of the underlying properties. The variables considered most significant to the determination of the fair value of the Company's residential mortgage loans, securitized debt, commercial loans, certain securities, and forward purchase commitments include market-implied discount rates, projections of default rates, delinquency rates, prepayment rates, loss severity, loan-to-value ratios, recovery rates, reperformance rates, timeline to liquidation, and, for forward purchase commitments, pull-through rates. The Company and third-party pricing service providers use loan level data and macro-economic inputs to generate loss adjusted cash flows and other information in determining the fair value. Because of the inherent uncertainty of such valuation, the fair value established for mortgage loans, securitized debt, commercial loans, certain securities, and forward purchase commitments held by the Company may differ from the fair value that would have been established if a ready market existed for these mortgage loans.

Fair values for the Company’s securities and derivatives may be based upon prices obtained from third-party pricing services or broker quotations. The valuation methodology of the Company’s third-party pricing services incorporates commonly used market pricing methods, including a spread measurement to various indices, which are observable inputs. The evaluation also considers the underlying characteristics of each investment, which are also observable inputs, including: coupon, maturity date, loan age, reset date, collateral type, periodic and life cap, geography, and prepayment speeds. The Company collects and considers current market intelligence on all major markets, including benchmark security evaluations and bid-lists from various sources, when available. As part of the Company’s risk management process, the Company reviews and analyzes all prices obtained by comparing prices to recently completed transactions involving the same or similar investments on or near the reporting date. If, in the opinion of the Manager, one or more prices reported to the Company are not reliable or unavailable, the Manager reviews the fair value based on characteristics of the investment it receives from the issuer and available market information.

The Company's investment in Arc Home is evaluated on a periodic basis using a market approach. In applying the market approach, fair value is determined by multiplying Arc Home's book value by a relevant valuation multiple observed based on a range of comparable public entities or transactions, adjusted by management as appropriate for differences between the investment and the referenced comparables. The evaluation also considers the underlying financial performance of Arc Home, general economic conditions, and relevant trends within the mortgage banking industry.

Changes in the market environment and other events that may occur over the life of these investments may cause the gains or losses ultimately realized to be different than the valuations currently estimated. The significant unobservable inputs used in the fair value measurement of the Company’s loans and securities are yields, prepayment rates, probability of default, and loss severity in the event of default. Significant increases (decreases) in any of those inputs in isolation would result in a significantly lower (higher) fair value measurement. Generally, a change in the assumption used for the probability of default is accompanied by a directionally similar change in the assumption used for the loss severity and a directionally opposite change in the assumption used for prepayment rates. The significant unobservable input used in the fair value measurement of the Company’s investment in Arc Home is the book value multiple. Significant increases (decreases) in the multiple applied would result in a significantly higher (lower) fair value measurement.

The Company did not have any transfers of assets or liabilities between Levels 1 and 2 of the fair value hierarchy during the three months ended March 31, 2024 and 2023.

The Company did not have any transfers between the Levels 2 and 3 of the fair value hierarchy during the three months ended March 31, 2024 and 2023. Transfers into the Level 3 category of the fair value hierarchy occur due to instruments exhibiting indications of reduced levels of market transparency. Transfers out of the Level 3 category of the fair value hierarchy occur due to instruments exhibiting indications of increased levels of market transparency. Indications of increases or decreases in levels of market transparency include a change in observable transactions or executable quotes involving these instruments or similar instruments. Changes in these indications could impact price transparency, and thereby cause a change in level designations in future periods.

The following tables present additional information about the Company’s assets and liabilities which are measured at fair value on a recurring basis for which the Company has utilized Level 3 inputs to determine fair value (in thousands).

Three Months Ended March 31, 2024
	Residential Mortgage Loans (1)		Legacy WMC Commercial Loans		Non-Agency RMBS		Legacy WMC CMBS		Legacy WMC Other Securities		Derivative Assets (2)		AG Arc		Securitized Debt		Derivative Liabilities (2)
Beginning balance	$	5,675,135	$	66,303	$	37,533	$	5,796	$	1,156	$	1,172	$	33,574	$	(4,711,623)	$	(7)
Purchases	287,617		—		—		—		—		—		—		—		—
Issuances of Securitized Debt	—		—		—		—		—		—		—		(363,899)		—
Capital distributions	—		—		—		—		—		—		(312)		—		—
Proceeds from sales or settlements	—		—		—		—		—		(1,181)		—		—		49
Principal repayments	(140,625)		—		—		—		—		—		—		124,587		—
Included in net income:
Net premium and discount amortization (3)	4,197		60		16		(63)		(54)		—		—		(7,578)		—
Net realized gain/(loss)	2		—		—		—		—		1,181		—		—		(49)
Net unrealized gain/(loss)	23,056		111		1,614		(2,465)		118		(700)		—		(22,429)		(152)
Equity in earnings/(loss) from affiliates	—		—		—		—		—		—		(72)		—		—
Other (4)	(822)		—		—		—		—		—		—		—		—
Ending Balance	$	5,848,560	$	66,474	$	39,163	$	3,268	$	1,220	$	472	$	33,190	$	(4,980,942)	$	(159)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held as of March 31, 2024
Net premium and discount amortization (3)	4,197		60		16		(63)		(54)		—		—		(7,578)		—
Net unrealized gain/(loss)	23,056		111		1,614		(2,465)		118		472		—		(22,429)		(159)
Equity in earnings/(loss) from affiliates	—		—		—		—		—		—		(72)		—		—

Three Months Ended March 31, 2023
	Residential Mortgage Loans (1)		Non-Agency RMBS		Derivative assets (2)		AG Arc		Securitized debt		Derivative liabilities (2)
Beginning balance	$	4,127,843	$	14,917	$	98	$	39,680	$	(3,262,352)	$	(9)
Purchases	22,755		—		—		—		—		—
Issuances of Securitized Debt	—		—		—		—		(234,754)		—
Proceeds from sales or settlements	(65,383)		—		—		—		—		—
Principal repayments	(73,956)		—		—		—		66,957		—
Included in net income:
Net premium and discount amortization (3)	1,144		(76)		—		—		(2,738)		—
Net realized gain/(loss)	(9,758)		—		—		—		—		—
Net unrealized gain/(loss)	97,211		198		2,377		—		(72,642)		(66)
Equity in earnings/(loss) from affiliates	—		—		—		(2,140)		—		—
Other (4)	(1,083)		—		—		—		—		—
Ending Balance	$	4,098,773	$	15,039	$	2,475	$	37,540	$	(3,505,529)	$	(75)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held as of March 31, 2023
Net premium and discount amortization (3)	1,144		(76)		—		—		(2,738)		—
Net unrealized gain/(loss)	87,029		198		2,377		—		(72,642)		(66)
Equity in earnings/(loss) from affiliates	—		—		—		(2,140)		—		—

(1)Includes Securitized residential mortgage loans, Securitized residential mortgage loans held for sale, and Residential mortgage loans held for sale.

(2)Derivative assets and derivative liabilities are included in the "Other assets" and "Other liabilities" line items, respectively, on the consolidated balance sheets.

(3)Included in the "Interest income" and "Interest expense" line items on the consolidated statement of operations for assets and liabilities, respectively.

(4)Includes transfers of residential mortgage loans to real estate owned as well as activity related to advances.

The following table presents a summary of quantitative information about the significant unobservable inputs used in the fair value measurement of investments for which the Company has utilized Level 3 inputs to determine fair value as of March 31, 2024 and December 31, 2023 ($ in thousands).

		March 31, 2024			December 31, 2023
Valuation Technique	Unobservable Input	Fair Value		Range (Weighted Average) (1)	Fair Value		Range (Weighted Average) (1)
Securitized Residential Mortgage Loans
	Yield			5.68% - 9.56% (6.29%)			5.67% - 9.47% (6.23%)
Discounted Cash Flow	Projected Collateral Prepayments	$	5,645,004	4.05% - 14.40% (5.88%)	$	5,358,281	3.02% - 10.47% (4.72%)
	Projected Collateral Losses			0.02% - 1.88% (0.16%)			0.02% - 1.88% (0.16%)
	Projected Collateral Severities			-14.97% - 26.00% (18.27%)			-13.44% - 26.00% (17.38%)
Residential Mortgage Loans
	Yield			6.32% - 13.75% (6.96%)			6.13% - 18.75% (6.64%)
Discounted Cash Flow	Projected Collateral Prepayments	$	203,556	2.84% - 37.25% (24.52%)	$	316,854	3.89% - 34.35% (24.88%)
	Projected Collateral Losses			0.00% - 21.78% (0.73%)			0.00% - 12.72% (0.15%)
	Projected Collateral Severities			-25.00% - 44.02% (9.72%)			-38.75% - 44.01% (9.62%)
Legacy WMC Commercial Loans
	Yield			8.62% - 10.70% (10.01%)			8.16% - 10.13% (9.47%)
Discounted Cash Flow	Credit Spread	$	66,474	377 bps - 550 bps (493 bps)	$	66,303	377 bps - 556 bps (496 bps)
	Recovery Percentage (2)			100.00% - 100.00% (100.00%)			100.00% - 100.00% (100.00%)
	Loan-to-Value			42.50% - 77.22% (63.63%)			42.50% - 77.22% (63.61%)
Non-Agency RMBS
	Yield			5.97% - 14.00% (9.18%)			6.23% - 14.00% (9.70%)
Discounted Cash Flow	Projected Collateral Prepayments	$	39,163	4.68% - 6.57% (5.49%)	$	37,533	4.55% - 5.26% (4.93%)
	Projected Collateral Losses			0.18% - 0.41% (0.29%)			0.17% - 0.28% (0.25%)
	Projected Collateral Severities			10.00% - 10.00% (10.00%)			10.00% - 10.00% (10.00%)
Legacy WMC CMBS
Consensus Pricing	Offered Quotes	$	3,268	31.13 - 31.13 (31.13)	$	5,796	55.20 - 55.20 (55.20)
Legacy WMC Other Securities
Consensus Pricing	Offered Quotes	$	1,220	7,199.26 - 7,199.26 (7,199.26)	$	1,156	6,821.32 - 6,821.32 (6,821.32)
Derivative Assets (3)
	Yield			6.32% - 9.39% (7.23%)			6.29% - 8.32% (6.81%)
Discounted Cash Flow	Projected Collateral Prepayments	$	472	10.45% - 31.62% (22.42%)	$	1,172	18.20% - 33.78% (27.00%)
	Projected Collateral Losses			0.01% - 2.70% (0.75%)			0.00% - 0.82% (0.14%)
	Projected Collateral Severities			10.00% - 10.00% (10.00%)			10.00% - 10.00% (10.00%)
	Pull Through Percentages			60.00% - 100.00% (85.04%)			60.00% - 100.00% (92.21%)
AG Arc
Comparable Multiple	Book Value Multiple	$	33,190	0.89x - 0.89x (0.89x)	$	33,574	0.89x - 0.89x (0.89x)
Securitized Debt
	Yield			5.11% - 15.00% (5.80%)			4.92% - 15.00% (5.72%)
Discounted Cash Flow	Projected Collateral Prepayments	$	(4,980,942)	4.05% - 14.40% (5.82%)	$	(4,711,623)	3.02% - 10.47% (4.66%)
	Projected Collateral Losses			0.02% - 0.50% (0.14%)			0.02% - 0.40% (0.15%)
	Projected Collateral Severities			10.00% - 26.00% (18.63%)			3.71% - 26.00% (17.76%)
Derivative Liabilities (3)
	Yield			6.41% - 7.17% (6.69%)			6.47% - 7.00% (6.51%)
Discounted Cash Flow	Projected Collateral Prepayments	$	(159)	19.59% - 31.75% (27.59%)	$	(7)	27.36% - 34.44% (34.30%)
	Projected Collateral Losses			0.01% - 0.31% (0.07%)			0.00% - 0.02% (0.00%)
	Projected Collateral Severities			10.00% - 10.00% (10.00%)			10.00% - 10.00% (10.00%)
	Pull Through Percentages			60.00% - 100.00% (76.84%)			60.00% - 100.00% (99.22%)

(1)Amounts are weighted based on fair value.

(2)Represents the proportion of the principal expected to be collected relative to the loan balances as of March 31, 2024 and December 31, 2023.

(3)Derivative assets and derivative liabilities are included in the "Other assets" and "Other liabilities" line items, respectively, on the consolidated balance sheets.

Other Fair Value Disclosures

Short-term financing arrangements

The fair value of certain of the Company's financing arrangements approximates the carrying value due to the floating interest rates that are based on an index plus a spread, which is typically consistent with those demanded in the market, and the short-term maturities of generally one year or less. These financing agreements are classified as Level 2.

Legacy WMC Convertible Notes, Senior Unsecured Notes, and fixed-rate long-term financing arrangements

The following table presents the carrying value and estimated fair value of the Company's Legacy WMC Convertible Notes, Senior Unsecured Notes, and fixed-rate financing arrangements with contractual maturities of greater than one year as of March 31, 2024 and December 31, 2023 (in thousands). The fair value of the Company's Legacy WMC Convertibles Notes and Senior Unsecured Notes is based upon prices obtained from third-party pricing services or broker quotations and are classified as Level 2. The fair value of the Company's fixed-rate long-term financing arrangements is based on a discounted cash flow valuation approach using valuation analyses of the underlying collateral sourced from third-party pricing service providers and is classified as Level 3.

	March 31, 2024				December 31, 2023
	Carrying Value (1)		Estimated Fair Value		Carrying Value (1)		Estimated Fair Value
Legacy WMC Convertible Notes	$	78,530	$	79,115	$	85,266	$	84,525
Senior Unsecured Notes	32,810		35,093		—		—
Financing arrangements	59,676		59,941		62,972		63,175

(1)The Legacy WMC Convertible Notes, Senior Unsecured Notes, and fixed-rate long-term financing arrangements are recorded at amortized cost in the Company's consolidated balance sheets.

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Financing

3 Months Ended

Mar. 31, 2024

Disclosure of Repurchase Agreements [Abstract]

Financing

Financing

The following table presents a summary of the Company's financing as of March 31, 2024 and December 31, 2023 ($ in thousands).

	March 31, 2024										December 31, 2023
	Financing					Weighted Average			Collateral Fair Value (1)(2)		Financing
	Current Face		Carrying Value		Stated Maturity	Funding Cost		Life (Years)			Carrying Value
Financing Arrangements by Asset Type
Securitized Residential Mortgage Loans (3)
Non-Agency Loans (4)	$	312,953	$	315,007	Apr 2024 - Jul 2025	7.34	%	0.31	$	597,357	$	301,205
Re- and Non-Performing Loans	43,628		43,628		Apr 2024	7.27	%	0.03	65,970		44,928
Residential Mortgage Loans (5)
Non-Agency Loans	77,191		77,191		Jun 2024 - Jan 2025	7.29	%	0.49	93,797		77,345
Agency-Eligible Loans	94,819		94,819		Dec 2024 - Mar 2025	7.18	%	0.91	102,955		200,617
Legacy WMC Commercial Loans (6)	47,222		47,222		Mar 2025	8.33	%	0.98	66,474		48,032
Non-Agency RMBS	36,415		36,415		Apr 2024 - May 2024	6.76	%	0.08	70,054		51,251
Legacy WMC CMBS	21,348		21,348		Apr 2024	7.28	%	0.01	51,121		31,620
Agency RMBS	98,371		98,371		Apr 2024	5.48	%	0.03	102,774		12,594
Total Financing Arrangements	$	731,947	$	734,001		7.09	%	0.38	$	1,150,502	$	767,592
Securitized debt, at fair value (7)
Non-Agency Loans (8) (9)	$	5,311,289	$	4,871,205	N/A	5.07	%	7.10	N/A		$	4,597,490
Re- and Non-Performing Loans (10)	121,654		109,737		N/A	3.28	%	3.86	N/A		114,133
Total Securitized Debt	$	5,432,943	$	4,980,942		5.03	%	7.03	N/A		$	4,711,623
Legacy WMC Convertible Notes	$	79,120	$	78,530	Sep 2024	8.42	%	0.47	N/A		$	85,266
Senior Unsecured Notes	$	34,500	$	32,810	Feb 2029	10.80	%	4.95	N/A		$	—
Total Financing	$	6,278,510	$	5,826,283		5.37	%	6.18	$	1,150,502	$	5,564,481

(1)The Company also had $2.1 million and $1.7 million of cash pledged under repurchase agreements as of March 31, 2024 and December 31, 2023, respectively.

(2)Under the terms of the Company’s financing agreements, the Company's financing counterparties may, in certain cases, sell or re-hypothecate the pledged collateral.

(3)Amounts pledged as collateral under Securitized residential mortgage loans include certain of the Company's retained interests in securitizations. Refer to Note 3 for more information on the Non-Agency VIEs and RPL/NPL VIEs.

(4)As of March 31, 2024, the weighted average stated rate on the financing arrangements on the Company's Securitized non-agency loans was 7.91%.

(5)The Company's Residential mortgage loan financing arrangements include a maximum uncommitted borrowing capacity of $1.8 billion on facilities used to finance Non-Agency and Agency-Eligible Loans.

(6)As of March 31, 2024, the weighted average stated rate on the financing arrangements on the Company's Legacy WMC Commercial Loans was 8.08%.

(7)The holders of the securitized debt have no recourse to the general credit of the Company. The Company has no obligation to provide any other explicit or implicit support to the Non-Agency VIEs and RPL/NPL VIEs.

(8)As of March 31, 2024, the amortized cost of Securitized debt in the Company's Non-Agency VIEs was $5.2 billion.

(9)The current face on the Company's Securitized debt in the Company's Non-Agency VIEs excludes Interest Only classes which have no principal balances and bear interest based on a notional value. The notional value is used solely to determine interest distributions on the interest only classes of securities. As of March 31, 2024, the notional value of interest only classes of Securitized debt was $131.3 million.

(10)As of March 31, 2024, the amortized cost of Securitized debt in the Company's RPL/NPL VIEs was $119.8 million.

Legacy WMC Convertible Notes

In connection with the WMC acquisition, the Merger Sub assumed, and the Company guaranteed, $86.25 million aggregate principal of Legacy WMC Convertible Notes. The Legacy WMC Convertible Notes have an interest rate of 6.75% and interest is paid semiannually. The Legacy WMC Convertible Notes are convertible into, at the Company's election, cash, shares of the Company's common stock or a combination of both, subject to the satisfaction of certain conditions and during specified periods. The conversion rate is subject to further adjustment upon the occurrence of certain specified events and the holders may require the Company to repurchase all or any portion of their notes for cash equal to 100% of the principal amount of the Legacy WMC Convertible Notes, plus accrued and unpaid interest, if the Company undergoes a fundamental change as specified in the supplemental indenture for the Legacy WMC Convertible Notes. Immediately prior to the Effective Time of the

WMC acquisition, holders of the Legacy WMC Convertible Notes had the right to convert each $1,000 principal amount into 33.7952 shares of WMC common stock. As a result of the WMC acquisition, and pursuant to the terms of the Legacy WMC Convertible Notes, the conversion rate was amended whereby each holder now has to the right to convert each $1,000 principal amount of Legacy WMC Convertible Notes into 50.6252 shares of common stock, representing a total conversion price of $19.75 per share. The total conversion price consists of common stock of $19.13 per share and cash of $0.62 per share. The Legacy WMC Convertible Notes can be redeemed at the Company's option on or after June 15, 2024, and mature on September 15, 2024, unless earlier converted, redeemed or repurchased by the holders pursuant to their terms. For the three months ended March 31, 2024, total interest expense on the Legacy WMC Convertible Notes was $1.7 million, which included coupon interest expense of $1.4 million and amortization expense of $0.3 million.

During the three months ended March 31, 2024, the Company repurchased $7.1 million of principal amount of its outstanding Legacy WMC Convertible Notes.

Senior Unsecured Notes

On January 26, 2024, the Company issued $34.5 million principal amount of its 9.500% Senior Notes due 2029 in a public offering for net proceeds of approximately $32.8 million. The Senior Unsecured Notes were issued at 100% of the principal amount, bear interest at a rate equal to 9.500% per year, payable in cash quarterly in arrears on February 15, May 15, August 15 and November 15 of each year, beginning on May 15, 2024, and mature February 15, 2029, unless redeemed earlier. The Company may redeem the Senior Unsecured Notes in whole or in part at any time or from time to time at the Company’s option on or after February 15, 2026, upon not less than 30 days written notice to holders prior to the redemption date, at a redemption price equal to 100% of the outstanding principal amount of the Senior Unsecured Notes to be redeemed plus accrued and unpaid interest to, but excluding, the redemption date. For the three months ended March 31, 2024, total interest expense on the Senior Unsecured Notes was $0.6 million, which includes coupon interest expense of $0.6 million and amortization expense of $47 thousand.

Contractual maturities

The following table allocates the current face of the Company's borrowings under financing arrangements, the Legacy WMC Convertible Notes, and Senior Unsecured Notes as of March 31, 2024 by contractual maturity (in thousands). Securitized debt is excluded from the below table as it does not have a contractual maturity.

	Within 30 Days		Over 30 Days to 3 Months		Over 3 Months to 12 Months		Over 12 Months		Total
Financing Arrangements by Asset Type
Securitized Residential Mortgage Loans
Non-Agency Loans	$	213,496	$	41,836	$	—	$	57,621	$	312,953
Re- and Non-Performing Loans	43,628		—		—		—		43,628
Residential Mortgage Loans
Non-Agency Loans	—		2,464		74,727		—		77,191
Agency-Eligible Loans	—		—		94,819		—		94,819
Legacy WMC Commercial Loans	—		—		47,222		—		47,222
Non-Agency RMBS	20,060		16,355		—		—		36,415
Legacy WMC CMBS	21,348		—		—		—		21,348
Agency RMBS	98,371		—		—		—		98,371
Total Financing Arrangements	$	396,903	$	60,655	$	216,768	$	57,621	$	731,947
Legacy WMC Convertible Notes	$	—	$	—	$	79,120	$	—	$	79,120
Senior Unsecured Notes	—		—		—		34,500		34,500

Counterparties

The Company had outstanding financing arrangements with six and seven counterparties as of March 31, 2024 and December 31, 2023, respectively.

The following table presents information as of March 31, 2024 and December 31, 2023 with respect to each counterparty that provides the Company with financing for which the Company had greater than 5% of its stockholders’ equity at risk, excluding stockholders’ equity at risk under financing through affiliated entities ($ in thousands).

	March 31, 2024					December 31, 2023
Counterparty	Stockholders' Equity at Risk		Weighted Average Maturity (days)	Percentage of Stockholders' Equity		Stockholders' Equity at Risk		Weighted Average Maturity (days)	Percentage of Stockholders' Equity
BofA Securities, Inc.	$	130,896	118	24.3	%	$	131,128	236	24.8	%
Barclays Capital Inc.	81,783		83	15.2	%	81,047		85	15.3	%
Goldman Sachs Bank USA	80,089		9	14.8	%	73,893		9	14.0	%
JP Morgan Securities, LLC	43,078		62	8.0	%	46,642		134	8.8	%
Various (1)	72,040		486	13.4	%	69,637		577	13.2	%

(1)Certain retained interests in securitizations are held in WMC RR 2023-1 Trust, a wholly owned subsidiary of the Company. WMC RR 2023-1 Trust issued certificates which were sold to various third-party investors.

Financial Covenants

The Company’s financing arrangements generally include customary representations, warranties, and covenants, but may also contain more restrictive supplemental terms and conditions. Although specific to each financing arrangement, typical supplemental terms include requirements of minimum equity and liquidity, leverage ratios, and performance triggers. In addition, some of the financing arrangements contain cross default features, whereby default under an agreement with one lender simultaneously causes default under agreements with other lenders. To the extent that the Company fails to comply with the covenants contained in these financing arrangements or is otherwise found to be in default under the terms of such agreements, the counterparty has the right to accelerate amounts due under the associated agreement. Financings pursuant to financing arrangements are generally recourse to the Company. As of March 31, 2024, the Company is in compliance with all of its financial covenants.

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Other assets and liabilities

3 Months Ended

Mar. 31, 2024

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Other assets and liabilities

Other assets and liabilities

The following table details certain information related to the Company's "Other assets" and "Other liabilities" line items on its consolidated balance sheets as of March 31, 2024 and December 31, 2023 (in thousands).

	March 31, 2024		December 31, 2023
Other assets
Interest receivable	$	31,436	$	30,315
Real estate owned	5,428		5,644
Derivative assets, at fair value	739		1,321
Other assets	2,980		3,187
Due from broker	912		249
Total Other assets	$	41,495	$	40,716
Other liabilities
Due to affiliates (1)	$	3,724	$	3,252
Interest payable	22,398		23,715
Derivative liabilities, at fair value	314		70
Accrued expenses	3,011		4,874
Due to broker	72		196
Total Other liabilities	$	29,519	$	32,107

(1)Refer to Note 10 for more information.

Derivatives

The following table presents information related to the Company's derivatives and other instruments and their balance sheet location as of March 31, 2024 and December 31, 2023 (in thousands). All notional amounts are denominated in USD.

		March 31, 2024				December 31, 2023
Derivatives and Other Instruments (1)	Balance Sheet  Location	Notional		Fair Value		Notional		Fair Value
Pay Fix/Receive Float Interest Rate Swap Agreements (2) (3)	Other assets	$	377,250	$	267	$	165,000	$	149
Pay Fix/Receive Float Interest Rate Swap Agreements (2) (3)	Other liabilities	77,000		—		338,000		—
Short TBAs	Other liabilities	32,000		(155)		9,000		(63)
Forward Purchase Commitments	Other assets	79,152		472		70,145		1,172
Forward Purchase Commitments	Other liabilities	28,032		(159)		2,566		(7)

(1)As of March 31, 2024 and December 31, 2023, no derivatives held by the Company were designated as hedges for accounting purposes.

(2)As of March 31, 2024, the Company applied a reduction in fair value of $10.1 million and $1.0 million to its interest rate swap assets and liabilities, respectively, related to variation margin with a corresponding increase or decrease in restricted cash. As of December 31, 2023, the Company applied a reduction in fair value of $9.3 million and $7.7 million to its interest rate swap assets and liabilities, respectively, related to variation margin with a corresponding increase or decrease in restricted cash.

(3)As of March 31, 2024, the Company's pay fix/receive float interest rate swaps had a weighted average pay-fixed rate of 3.74%, a weighted average receive-variable rate of 5.34%, and a weighted average years to maturity of 4.95 years. As of December 31, 2023, the Company's pay fix/receive float interest rate swaps had a weighted average pay-fixed rate of 3.65%, a weighted average receive-variable rate of 5.38%, and a weighted average years to maturity of 4.01 years.

Derivative and other instruments eligible for offset are presented gross on the consolidated balance sheets as of March 31, 2024 and December 31, 2023, if applicable. The Company has not offset or netted any derivatives or other instruments with any financial instruments or cash collateral posted or received.

The Company must post cash or securities as collateral on its derivative instruments when their fair value declines. This typically occurs when prevailing market rates change adversely, with the severity of the change also dependent on the term of the derivatives involved. The posting of collateral is generally bilateral, meaning that if the fair value of the Company’s derivatives increases, its counterparty must post collateral. As of March 31, 2024, the Company's restricted cash balance included $14.2 million of collateral related to certain derivatives, of which $5.1 million represents cash collateral posted by the Company and $9.1 million represents amounts related to variation margin. As of December 31, 2023, the Company's restricted cash balance included $12.3 million of collateral related to certain derivatives, of which $10.7 million represents cash collateral posted by the Company and $1.6 million represents amounts related to variation margin.

The following table summarizes total income related to derivatives and other instruments for the three months ended March 31, 2024 and 2023 (in thousands).

	Three Months Ended
	March 31, 2024		March 31, 2023
Included within Net interest component of interest rate swaps
Interest Rate Swaps	$	1,900	$	1,020
Included within Net unrealized gain/(loss)
Interest Rate Swaps	10,313		(21,386)
Long TBAs	—		5
Short TBAs	(92)		(899)
Forward Purchase Commitments	(852)		2,311
	9,369		(19,969)
Included within Net realized gain/(loss)
Interest Rate Swaps	(3,141)		9,823
Short TBAs	10		179
Forward Purchase Commitments	1,132		—
	(1,999)		10,002
Total income/(loss)	$	9,270	$	(8,947)

Derivative Activity

The following tables present information about the Company’s derivatives for the three months ended March 31, 2024 and 2023 (in thousands).

	Beginning Notional Amount		Buys or Covers		Sales or Shorts(1)		Ending Notional Amount		Derivative Asset		Derivative Liability
Three Months Ended March 31, 2024
Short TBAs (2)	$	(9,000)	$	34,000	$	(57,000)	$	(32,000)	$	—	$	(155)
Interest Rate Swaps	503,000		219,750		(268,500)		454,250		267		—
Three Months Ended March 31, 2023
Long TBAs	$	—	$	10,000	$	(10,000)	$	—	$	8	$	(3)
Short TBAs (2)	(40,000)		100,000		(60,000)		—		2		(251)
Interest Rate Swaps	335,000		342,000		(209,000)		468,000		—		(280)

(1)The sales or shorts includes $60.0 million of swaps that matured during the three months ended March 31, 2024.

(2)As of March 31, 2024, the Company recorded a receivable from broker of $32.5 million and a fair value of $32.7 million related to its short TBAs. As of March 31, 2023, the Company recorded a payable to broker of $0.3 million related to its short TBAs.

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Earnings per share

3 Months Ended

Mar. 31, 2024

Earnings Per Share [Abstract]

Earnings per share

Earnings per share

The following table presents a reconciliation of the earnings and shares used in calculating basic and diluted earnings per share for the three months ended March 31, 2024 and 2023 (in thousands, except per share data).

	Three Months Ended
	March 31, 2024		March 31, 2023
Numerator:
Net Income/(Loss)	$	20,890	$	12,540
Dividends on preferred stock	(4,586)		(4,586)
Net Income/(Loss) Available to Common Stockholders	$	16,304	$	7,954
Denominator:
Basic weighted average common shares outstanding	29,453		21,066
Diluted weighted average common shares outstanding	29,479		21,066
Earnings/(Loss) Per Share
Basic	$	0.55	$	0.38
Diluted	$	0.55	$	0.38

For the three months ended March 31, 2024, the Company excluded the potential effects of the Legacy WMC Convertible Notes from the computation of diluted earnings per share because the market value per share of the Company's common stock was below the conversion price of the Legacy WMC Convertible Notes.

Dividends

The following tables detail the Company's common stock dividends declared during the three months ended March 31, 2024 and 2023.

Three Months Ended March 31, 2024					Three Months Ended March 31, 2023
Declaration Date	Record Date	Payment Date	Cash Dividend Per Share		Declaration Date	Record Date	Payment Date	Cash Dividend Per Share
3/15/2024	3/29/2024	4/30/2024	$	0.18	3/15/2023	3/31/2023	4/28/2023	$	0.18

The following tables detail the Company's preferred stock dividends declared and paid during the three months ended March 31, 2024 and 2023.

2024			Cash Dividend Per Share
Declaration Date	Record Date	Payment Date	8.25% Series A		8.00% Series B		8.000% Series C
2/16/2024	2/29/2024	3/18/2024	$	0.51563	$	0.50	$	0.50
2023			Cash Dividend Per Share
Declaration Date	Record Date	Payment Date	8.25% Series A		8.00% Series B		8.000% Series C
2/16/2023	2/28/2023	3/17/2023	$	0.51563	$	0.50	$	0.50

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Income taxes

3 Months Ended

Mar. 31, 2024

Income Tax Disclosure [Abstract]

Income taxes

Income taxes

The Company conducts its operations to qualify and be taxed as a REIT. As a REIT, the Company is not subject to federal income tax to the extent that it makes qualifying distributions to its stockholders, and provided it satisfies on a continuing basis, through actual investment and operating results, the REIT requirements including certain asset, income, distribution, and stock ownership tests. The state and local tax jurisdictions for which the Company is subject to tax-filing obligations recognize the Company’s status as a REIT, and therefore, the Company generally does not pay income tax in such jurisdictions. The Company may, however, be subject to certain minimum state and local tax filing fees as well as certain excise, franchise, or business taxes.

On December 6, 2023, the Company acquired WMC, an externally managed mortgage REIT. Refer to "WMC Acquisition" in Note 1 for additional information related to the Merger. The Merger is intended to qualify as a reorganization within the meaning of Section 368(a) of the Internal Revenue Code.

Excise Tax

Excise tax represents a non-deductible 4% tax on the required amount of the Company’s ordinary income and net capital gains not distributed during the year. The expense is calculated in accordance with applicable tax regulations. For the three months ended March 31, 2024 and 2023, the Company did not record any excise tax.

REIT Net Operating Loss and Net Capital Loss Carryforwards

As of March 31, 2024 and December 31, 2023, the Company had federal net operating loss ("NOL") carryforwards of $2.1 million and $2.1 million, respectively, that can be used to offset future taxable ordinary income and reduce its REIT distribution requirements. These NOL carryforwards (which exclude NOLs acquired from WMC) do not have an expiration date and can be carried forward indefinitely. In connection with the Merger, the Company obtained NOL carryforwards of $321.6 million, of which $223.8 million do not have an expiration date and can be carried forward indefinitely. However, the Company’s use of these obtained NOLs is limited under Section 382 of the Internal Revenue Code.

As of March 31, 2024 and December 31, 2023, the Company had estimated net capital loss ("NCL") carryforwards of $300.0 million and $293.7 million, respectively, the majority of which were generated during the year ended December 31, 2020 and will expire in 2025. These NCL carryforwards (which exclude the NCLs acquired from WMC) can be utilized to offset future net gains from the sale of capital assets. In connection with the Merger, the Company obtained NCL carryforwards of $143.1 million, of which a majority expire between 2027 and 2028. However, the Company’s use of these obtained NCLs is limited under Sections 382 and 383 of the Internal Revenue Code.

Taxable REIT Subsidiaries

The Company elected to treat certain domestic subsidiaries as taxable REIT subsidiaries ("TRSs"). The Company’s financial results are generally not expected to reflect provisions for current or deferred income taxes, except for any activities conducted through one or more TRSs that are subject to corporate income taxation. Currently, the Company has wholly owned domestic TRSs that are taxable as corporations and subject to U.S. federal, state, and local income tax on net income at the applicable corporate rates. The federal statutory rate for the three months ended March 31, 2024 and 2023 was 21%. The Company’s effective tax rate differs from its combined U.S. federal, state, and local corporate statutory tax rate primarily due to income earned at the REIT, which is not subject to tax, due to the deduction for qualifying distributions made by the Company, and any change in the valuation allowance as disclosed in further detail below. The tax expense attributable to its TRSs is recorded in the "Non-investment related expenses" line item on the consolidated statement of operations. The below table details the tax expense attributable to its TRSs for the three months ended March 31, 2024 and 2023 (in thousands).

	Three Months Ended
	March 31, 2024		March 31, 2023
Income tax expense	$	25	$	225

Deferred income taxes reflect the net tax effects of temporary differences between the carrying amount of assets and liabilities for financial reporting and tax reporting purposes at the TRS level. As of March 31, 2024 and December 31, 2023, the Company recorded a deferred tax asset of approximately $38.9 million and $37.3 million, respectively, relating to net operating loss carryforwards, capital loss carryforwards, and basis differences of certain investments held within TRSs. In assessing the realizability of deferred tax assets, the Company considers whether it is more likely than not that some portion or all of the deferred tax assets will not be realized. The ultimate realization of deferred tax assets is dependent upon the generation of future taxable income during periods in which temporary differences become deductible. The Company concluded it is more likely than not the deferred tax asset will not be realized and established a full valuation allowance as of March 31, 2024 and December 31, 2023.

Uncertain Income Tax Positions

Based on its analysis of any potential uncertain income tax positions, the Company concluded it did not have any uncertain tax positions that meet the recognition or measurement criteria of ASC 740 as of March 31, 2024 and December 31, 2023. The Company’s federal income tax returns for the last three tax years are open to examination by the Internal Revenue Service. There are no ongoing U.S. federal, state or local tax examinations related to the Company. In the event that the Company incurs income tax related interest and penalties, its policy is to classify them as a component of provision for income taxes. The Company did not incur any interest or penalties during the three months ended March 31, 2024 and 2023.

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Related party transactions

3 Months Ended

Mar. 31, 2024

Related Party Transactions [Abstract]

Related party transactions

Related party transactions

Manager

The Company has entered into a management agreement with the Manager, which provided for an initial term and will be deemed renewed automatically each year for an additional one-year period, subject to certain termination rights. The Company is externally managed and advised by the Manager. Pursuant to the terms of the management agreement, which became effective July 6, 2011 (upon the consummation of the Company’s initial public offering (the "IPO")), the Manager provides the Company with its management team, including its officers, along with appropriate support personnel. Each of the Company’s officers is an employee of TPG Angelo Gordon. The Company does not have any employees. The Manager has delegated to TPG Angelo Gordon the overall responsibility of its day-to-day duties and obligations arising under the Company’s management agreement. Below is a description of the fees and reimbursements provided in the management agreement.

On November 1, 2023, TPG completed the previously announced acquisition of TPG Angelo Gordon (the "TPG Transaction"), pursuant to which TPG Angelo Gordon, including the Manager, became indirect subsidiaries of TPG. Pursuant to the management agreement with the Manager, the closing of the TPG Transaction resulted in an assignment of the management agreement. The independent directors of the Company's Board of Directors unanimously consented to such assignment on July 31, 2023 in advance of the TPG Transaction closing. There were no changes to the management agreement in connection with

the TPG Transaction and the assignment of the management agreement became effective upon the closing of the TPG Transaction.

In connection with the Merger with WMC, which was completed on December 6, 2023, and contemporaneously with the execution of the Merger Agreement, on August 8, 2023, the Company and the Manager entered into the MITT Management Agreement Amendment, pursuant to which (i) the Manager’s base management fee will be reduced by $0.6 million for the first four quarters following the Effective Time, beginning with the fiscal quarter in which the Effective Time occurs (i.e., resulting in an aggregate $2.4 million waiver of base management fees), and (ii) the Manager will waive its right to seek reimbursement from the Company for any expenses otherwise reimbursable by the Company under the management agreement in an amount equal to approximately $1.3 million, which is the excess of $7.0 million over the aggregate Per Share Additional Manager Consideration paid by the Manager to the holders of WMC Common Stock under the Merger Agreement. The MITT Management Agreement Amendment became effective automatically upon the closing of the Merger.

Management fee

The Manager is entitled to a management fee equal to 1.50% per annum, calculated and paid quarterly, of the Company’s Stockholders’ Equity. For purposes of calculating the management fee, "Stockholders’ Equity" means the sum of the net proceeds from any issuances of equity securities (including preferred securities) since inception (allocated on a pro rata daily basis for such issuances during the fiscal quarter of any such issuance, and excluding any future equity issuance to the Manager), plus the Company’s retained earnings at the end of such quarter (without taking into account any non-cash equity compensation expense or other non-cash items incurred in current or prior periods), less any amount that the Company pays for repurchases of its common stock, excluding any unrealized gains, losses or other non-cash items that have impacted stockholders’ equity as reported in the Company’s financial statements prepared in accordance with GAAP, regardless of whether such items are included in other comprehensive income or loss, or in net income, and excluding one-time events pursuant to changes in GAAP, and certain other non-cash charges after discussions between the Manager and the Company’s independent directors and after approval by a majority of the Company’s independent directors. Stockholders’ Equity, for purposes of calculating the management fee, could be greater or less than the amount of stockholders’ equity shown on the Company’s financial statements.

The below table details the management fees incurred during the three months ended March 31, 2024 and 2023 (in thousands).

	Three Months Ended
Consolidated statements of operations line item:	March 31, 2024		March 31, 2023
Management fee to affiliate (1)	$	1,741	$	2,075

(1)For the three months ended March 31, 2024, the Manager agreed to waive its right to receive management fees of $0.6 million pursuant to the MITT Management Agreement Amendment executed in connection with the Merger.

As of March 31, 2024 and December 31, 2023, the Company recorded management fees payable of $1.7 million and $1.5 million, respectively. The management fee payable is included within the "Due to affiliates" item within the "Other liabilities" line item on the consolidated balance sheets.

Incentive fee

The Manager is entitled to an annual incentive fee with respect to each applicable fiscal year, which will be equal to 15% of the amount by which the Company's cumulative adjusted net income from November 22, 2021 exceeds the cumulative hurdle amount, which represents an 8% return (cumulative, but not compounding) on an equity hurdle base consisting of the sum of (i) $341.5 million and (ii) the gross proceeds of any subsequent public or private common stock offerings by the Company. The annual incentive fee will be payable in cash, or, at the option of the Company's Board of Directors, shares of common stock or a combination of cash and shares.

During the three months ended March 31, 2024 and 2023, the Company did not incur any incentive fee expense.

Termination fee

Upon the occurrence of (i) the Company’s termination of the management agreement without cause or (ii) the Manager’s termination of the management agreement upon a breach by the Company of any material term of the management agreement, the Manager will be entitled to a termination fee equal to three times the average annual management fee during the 24-month period prior to such termination, calculated as of the end of the most recently completed fiscal quarter. As of March 31, 2024 and December 31, 2023, no event of termination of the management agreement had occurred.

Expense reimbursement

The Company is required to reimburse the Manager or its affiliates for operating expenses which are incurred by the Manager or its affiliates on behalf of the Company, including expenses relating to legal, accounting, due diligence, and other services. The Company’s reimbursement obligation is not subject to any dollar limitation; however, the reimbursement is subject to an annual budget process which combines guidelines from the management agreement with oversight by the Company’s Board of Directors.

The Company reimburses the Manager or its affiliates for the Company’s allocable share of the compensation, including, without limitation, annual base salary, bonus, any related withholding taxes, and employee benefits paid to (i) the Company’s chief financial officer based on the percentage of time spent on Company affairs, (ii) the Company’s general counsel based on the percentage of time spent on the Company’s affairs, and (iii) other corporate finance, tax, accounting, internal audit, legal, risk management, operations, compliance, and other non-investment personnel of the Manager and its affiliates who spend all or a portion of their time managing the Company’s affairs based upon the percentage of time devoted by such personnel to the Company’s affairs. In their capacities as officers or personnel of the Manager or its affiliates, they devote such portion of their time to the Company’s affairs as is necessary to enable the Company to operate its business.

The below table details the expense reimbursement incurred during the three months ended March 31, 2024 and 2023 (in thousands).

	Three Months Ended
Consolidated statements of operations line item:	March 31, 2024		March 31, 2023
Non-investment related expenses (1)	$	1,664	$	1,400
Investment related expenses	114		102
Transaction related expenses	68		63
Expense reimbursements to Manager or its affiliates	$	1,846	$	1,565

(1)For the three months ended March 31, 2024, the Manager agreed to waive its right to receive expense reimbursements of $0.3 million pursuant to the MITT Management Agreement Amendment executed in connection with the Merger.

As of March 31, 2024 and December 31, 2023, the Company recorded a reimbursement payable to the Manager or its affiliates of $1.8 million and $1.5 million, respectively. The reimbursement payable to the Manager or its affiliates is included within the "Due to affiliates" line item within the "Other liabilities" line item on the consolidated balance sheets.

Restricted stock grants

Equity Incentive Plans

Effective on April 15, 2020 upon the approval of the Company's stockholders at its 2020 annual meeting of stockholders, the 2020 Equity Incentive Plan provides for a maximum of 666,666 shares of common stock to be issued. The maximum number of shares of common stock granted during a single fiscal year to any non-employee director, taken together with any cash fees paid to such non-employee director during any fiscal year, shall not exceed $300,000 in total value (calculating the value of any such awards based on the grant date fair value). As of March 31, 2024, 448,397 shares of common stock were available to be awarded under the 2020 Equity Incentive Plan.

Since inception of the 2020 Equity Incentive Plan and through March 31, 2024, the Company has granted an aggregate of 192,101 shares of restricted common stock to its independent directors under its 2020 Equity Incentive Plan, all of which have vested.

On December 6, 2023, in connection with the WMC acquisition, the Company granted an aggregate 25,962 restricted stock units to the Company's two independent directors added to the Company's Board of Directors who previously served on WMC's board of directors. Through March 31, 2024, the two independent directors have also been granted an aggregate of 206 dividend equivalent units. These restricted stock units and associated dividend equivalent units will vest in full on June 23, 2024, and will be settled in shares of the Company's common stock upon each of the independent director's separation from service with the Company.

Manager Equity Incentive Plans

Following approval of the Company's stockholders at its 2021 annual meeting of stockholders, the AG Mortgage Investment Trust, Inc. 2021 Manager Equity Incentive Plan (the "2021 Manager Plan") became effective on April 7, 2021 and provides for a maximum of 573,425 shares of common stock that may be subject to awards thereunder to the Manager. As of March 31, 2024, there were no shares or awards issued under the 2021 Manager Plan. Following the execution of the Third Amendment to the management agreement in November 2021 related to the incentive fee, the Company's compensation committee no longer expects to continue its historical practice of making periodic equity grants to the Manager pursuant to the 2021 Manager Equity Incentive Plan.

Director compensation

As of March 31, 2024, the Company's Board of Directors consisted of six independent directors. The annual base director's fee for each independent director is $150,000, $70,000 of which is payable on a quarterly basis in cash and $80,000 of which is payable on a quarterly basis in shares of restricted common stock. The number of shares of restricted common stock to be issued each quarter to each independent director is determined based on the average of the high and low prices of the Company’s common stock on the New York Stock Exchange on the last trading day of each fiscal quarter. To the extent that any fractional shares would otherwise be issuable and payable to each independent director, a cash payment is made to each independent director in lieu of any fractional shares. All directors’ fees are paid pro rata (and restricted common stock grants determined) on a quarterly basis in arrears, and shares issued are fully vested and non-forfeitable. These shares may not be sold or transferred by such director during the time of their service as an independent member of the Company’s Board of Directors.

In addition to the annual base director's fee, the non-executive chair of the Board receives an annual fee of $60,000, of which $30,000 is payable in cash and $30,000 is payable in shares of restricted common stock, the chair of the Audit Committee receives an annual fee of $25,000, and the chairs of the Compensation and Nominating and Corporate Governance Committees each receive an annual fee of $10,000.

Investments in debt and equity of affiliates

The Company invests in credit sensitive residential assets through affiliated entities which hold an ownership interest in the assets. The Company is one investor, amongst other investors managed by affiliates of TPG Angelo Gordon, in such entities and has applied the equity method of accounting for such investments.

Arc Home

On December 9, 2015, the Company, alongside private funds managed by TPG Angelo Gordon, through AG Arc LLC, one of the Company’s indirect affiliates ("AG Arc"), formed Arc Home. The Company has an approximate 44.6% interest in AG Arc. Arc Home originates residential mortgage loans and retains the mortgage servicing rights associated with certain loans it originates. Arc Home is led by an external management team. The Company has chosen to make a fair value election with respect to its investment in AG Arc pursuant to ASC 825. The Company elected to treat its investment in AG Arc as a taxable REIT subsidiary.

MATH

On August 29, 2017, the Company, alongside private funds managed by TPG Angelo Gordon, formed MATH to conduct a residential mortgage investment strategy. MATH in turn sponsored the formation of Mortgage Acquisition Trust I LLC ("MATT") to purchase predominantly Non-QM Loans. MATT made an election to be treated as a REIT beginning with the 2018 tax year. The Company has an approximate 47.0% interest in MATH. Refer to the "MATH Transaction" section below for additional details on the Company's increase in ownership interest during 2023. MATH, through its wholly owned subsidiary MATT, only holds risk-retention tranches from past securitizations which continue to pay down and the Company does not

expect MATT to acquire additional investments.

LOTS

On May 15, 2019 and November 14, 2019, the Company, alongside private funds managed by TPG Angelo Gordon, formed LOT SP I LLC and LOT SP II LLC, respectively, (collectively, "LOTS"). The Company has an approximate 47.5% and 50.0% interest in LOT SP I LLC and LOT SP II LLC, respectively. LOTS were formed to originate first mortgage loans to third-party land developers and home builders for the acquisition and horizontal development of land ("Land Related Financing"). During the year ended December 31, 2023, the Land Related Financing assets held within LOTS paid off in full.

Summary of investments in debt and equity of affiliates and related earnings

The below table summarizes the components of the "Investments in debt and equity of affiliates" line item on the Company's consolidated balance sheets as of March 31, 2024 and December 31, 2023 (in thousands).

	March 31, 2024						December 31, 2023
	Assets		Liabilities		Equity		Assets		Liabilities		Equity
Non-QM Securities (1)	$	16,523	$	—	$	16,523	$	15,257	$	—	$	15,257
Re/Non-Performing Securities	7,337		(3,583)		3,754		7,569		(3,605)		3,964
Total Residential Investments	23,860		(3,583)		20,277		22,826		(3,605)		19,221
AG Arc, at fair value	33,190		—		33,190		33,574		—		33,574
Cash and Other assets/(liabilities)	1,431		(56)		1,375		2,361		(53)		2,308
Investments in debt and equity of affiliates	$	58,481	$	(3,639)	$	54,842	$	58,761	$	(3,658)	$	55,103

(1)MATH, through its wholly owned subsidiary MATT, only holds risk-retention tranches from past securitizations which continue to pay down and the Company does not expect MATT to acquire additional investments.

The below table reconciles the net income/(loss) to the "Equity in earnings/(loss) from affiliates" line item on the Company's consolidated statements of operations for the three months ended March 31, 2024 and 2023 (in thousands).

	Three Months Ended
	March 31, 2024		March 31, 2023
Non-QM Securities	$	2,205	$	1,625
Land Related Financing	—		339
Re/Non-Performing Securities	105		192
AG Arc (1)	(273)		(2,140)
Equity in earnings/(loss) from affiliates	$	2,037	$	16

(1)Earnings/(loss) recognized by AG Arc do not include the Company's portion of gains or losses recorded by Arc Home in connection with the sale of residential mortgage loans to the Company. Refer to "Transactions with Arc Home" below for more information on this accounting policy.

Transactions with affiliates

Transactions with Red Creek Asset Management LLC

In connection with the Company’s investments in residential mortgage loans, the Company engages asset managers to provide advisory, consultation, asset management, and other services. The Company engaged Red Creek Asset Management LLC (the "Asset Manager"), a related party of the Manager and direct subsidiary of TPG Angelo Gordon, as the asset manager for certain of its residential mortgage loans. The Company pays the Asset Manager asset management fees which are assessed periodically

by a third-party valuation firm. The below details the fees paid by the Company to the Asset Manager during the three months ended March 31, 2024 and 2023 (in thousands).

	Three Months Ended
	March 31, 2024		March 31, 2023
Fees paid to Asset Manager	$	658	$	683

As of March 31, 2024 and December 31, 2023, the Company recorded asset management fees payable of $0.2 million and $0.2 million, respectively. Asset management fees payable are included within the "Due to affiliates" line item within the "Other liabilities" line item on the consolidated balance sheets.

Transactions with Arc Home

Arc Home may sell loans to the Company, third-parties, or affiliates of the Manager. The below table details the unpaid principal balance of Non-Agency Loans and Agency-Eligible Loans sold to the Company and private funds under the management of TPG Angelo Gordon during the three months ended March 31, 2024 and 2023 (in thousands).

	Three Months Ended
	March 31, 2024		March 31, 2023
Residential mortgage loans sold by Arc Home to the Company	$	79,791	$	—
Residential mortgage loans sold by Arc Home to private funds under the management of TPG Angelo Gordon	156,401		90,584

In connection with the sale of loans from Arc Home to the Company, the Company eliminates any intra-entity profits or losses typically recognized through the "Equity in earnings/(loss) from affiliates" line item on the Company's consolidated statement of operations and adjusts the cost basis of the underlying loans resulting in unrealized gains or losses on the underlying loans. The table below summarizes intra-entity profits eliminated during the three months ended March 31, 2024 and 2023 (in thousands).

	Three Months Ended
	March 31, 2024		March 31, 2023
Intra-Entity Profits Eliminated	$	201	$	—

The Company enters into forward purchase commitments with Arc Home whereby the Company commits to purchase residential mortgage loans from Arc Home at a particular price on a best-efforts basis. Actual loan purchases are contingent upon successful loan closings. These commitments to purchase mortgage loans are classified as derivatives. From time to time, the Company may determine that certain loans it has previously committed to purchase will be sold to third parties and, as a result, the derivative will be settled on a net basis with Arc Home. See Note 7 and Note 12 for more detail.

Transactions under the Company's Affiliated Transaction Policy

The below table details transactions where the Company purchased or sold assets from or to an affiliate of the Manager ($ in millions). The transactions were executed in accordance with the Company's Affiliated Transaction Policy. There were no purchases or sales of assets from or to an affiliate of the Manager during three months ended March 31, 2024. Refer to the "Transactions with Arc Home" section above for additional information related to transactions with Arc Home, which are excluded from the table below.

Date	Transaction	Fair Value (1)		Pricing Methodology
June 2023	Purchase of Real Estate Securities	$	0.3	Competitive bidding process (2)
November 2023	Purchase of Real Estate Securities (4)	4.8		Third party pricing vendors (3)
November 2023	Purchase of MATH (4)	0.9		Third party pricing vendors (3)

(1)As of the transaction date.

(2)The Company submitted an offer to purchase the securities from an affiliate in a competitive bidding process, which allowed the Company to confirm third-party market pricing and best execution.

(3)Pricing was based on valuations prepared by third-party pricing vendors in accordance with the Company's policy.

(4)Refer to the "MATH Transaction" below.

MATH Transaction

In November 2023, the Company's 44.6% allocation of certain bonds retained from past securitizations and held through its investment in MATH was transferred directly to the Company and the Company purchased an additional 13.1% of these bonds from other funds managed by TPG Angelo Gordon who were invested in MATH alongside the Company. These bonds are currently recorded in the Company's "Real estate securities, at fair value" line item on the consolidated balance sheets. Additionally, the Company purchased an additional interest in MATH from other funds managed by TPG Angelo Gordon, increasing its ownership interest in MATH from 44.6% to 47.0%. Subsequent to this transaction, MATH, through its wholly owned subsidiary MATT, only holds risk-retention tranches from past securitizations which continue to pay down and the Company does not expect MATT to acquire additional investments.

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Equity

3 Months Ended

Mar. 31, 2024

Equity [Abstract]

Equity

Equity

Stock repurchase programs

On August 3, 2022, the Company's Board of Directors authorized a stock repurchase program (the "2022 Repurchase Program") to repurchase up to $15.0 million of the Company’s outstanding common stock. The 2022 Repurchase Program does not have an expiration date and permits the Company to repurchase its shares through various methods, including open market repurchases, privately negotiated block transactions and Rule 10b5-1 plans. The Company may repurchase shares of its common stock from time to time in compliance with SEC regulations and other legal requirements. The extent to which the Company repurchases its shares, and the timing, manner, price, and amount of any such repurchases, will depend upon a variety of factors including market conditions and other corporate considerations as determined by the Company’s management, as well as the limits of the 2022 Repurchase Program and the Company's liquidity and business strategy. The 2022 Repurchase Program does not obligate the Company to acquire any particular amount of shares and may be modified or discontinued at any time. As of March 31, 2024, approximately $1.5 million of common stock remained authorized for future share repurchases under the 2022 Repurchase Program. There were no repurchases during the three months ended March 31, 2024. The table below details the Company's share repurchases under the 2022 Repurchase Program during the three months March 31, 2023.

Three Months Ended (1)	Total Number of Shares Purchased	Weighted Average Price Paid per Share (2)		Total Number of Shares Purchased as Part of Publicly Announced Program	Maximum Approximate Dollar Value that May Yet Be Purchased Under the Program (2)
March 31, 2023	923,261	$	5.68	923,261	$	2,569,940

(1)Based on trade date.

(2)Includes brokerage commissions and clearing fees.

On May 4, 2023, the Company's Board of Directors authorized a stock repurchase program (the "2023 Repurchase Program") to repurchase up to $15.0 million of the Company’s outstanding common stock on substantially the same terms as the 2022 Repurchase Program. As of March 31, 2024, the full $15.0 million authorized amount remains available for repurchase under the 2023 Repurchase Program. This authorization is in addition to the amount remaining under the 2022 Repurchase Program.

On February 22, 2021, the Company's Board of Directors authorized a stock repurchase program (the "Preferred Repurchase Program") pursuant to which the Company's Board of Directors granted a repurchase authorization to acquire shares of the Company's 8.25% Series A Cumulative Redeemable Preferred Stock ("Series A Preferred Stock"), 8.00% Series B Cumulative Redeemable Preferred Stock ("Series B Preferred Stock"), and 8.000% Series C Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock ("Series C Preferred Stock") having an aggregate value of up to $20.0 million. No share repurchases under the Preferred Repurchase Program have been made since its authorization.

Shares of stock repurchased by the Company under any repurchase program, if any, will be cancelled and, until reissued by the Company, will be deemed to be authorized but unissued shares of its stock as required by Maryland law. The cost of the acquisition by the Company of shares of its own stock in excess of the aggregate par value of the shares first reduces additional paid-in capital, to the extent available, with any residual cost applied against retained earnings.

Equity distribution agreements

The Company has entered into an equity distribution agreement with each of Credit Suisse Securities (USA) LLC and JMP Securities LLC (collectively, the "Sales Agents"), which the Company refers to as the "Equity Distribution Agreements," pursuant to which the Company may sell up to $100.0 million aggregate offering price of shares of its common stock from time to time through the Sales Agents under the Securities Act of 1933. The Company did not issue any shares of common stock under the Equity Distribution Agreements during the three months ended March 31, 2024 and 2023. Since inception of the program, the Company has issued approximately 2.2 million shares of common stock under the Equity Distribution Agreements for gross proceeds of $48.3 million.

Shelf registration statement

On March 26, 2024, the Company filed a new shelf registration statement, registering up to $1.0 billion of its securities, including capital stock (the "2024 Registration Statement"). The 2024 Registration Statement was declared effective on April 9, 2024 and will generally remain effective for three years. Upon effectiveness of the 2024 Registration Statement, the Company's previous S-3 registration statement filed in 2021 was terminated.

Preferred stock

The Company is authorized to designate and issue up to 50.0 million shares of preferred stock, par value $0.01 per share, in one or more classes or series. As of March 31, 2024 and December 31, 2023, there were 1.7 million, 3.7 million, and 3.7 million of Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock, respectively, issued and outstanding.

The following table includes a summary of preferred stock issued and outstanding as of March 31, 2024 ($ and shares in thousands).

Preferred Stock Series	Issuance Date	Shares Outstanding	Carrying Value		Aggregate Liquidation Preference (1)		Optional Redemption Date (2)	Rate (3)(4)
Series A Preferred Stock	August 3, 2012	1,663	$	40,110	$	41,580	August 3, 2017	8.25	%
Series B Preferred Stock	September 27, 2012	3,728	90,187		93,191		September 17, 2017	8.00	%
Series C Preferred Stock	September 17, 2019	3,729	90,175		93,220		September 17, 2024	8.000	%
Total		9,120	$	220,472	$	227,991

(1)The Company's Preferred Stock has a liquidation preference of $25.00 per share.

(2)Shares have no stated maturity and are not subject to any sinking fund or mandatory redemption. Shares of the Company’s Preferred Stock are redeemable at $25.00 per share plus accumulated and unpaid dividends (whether or not declared) exclusively at the Company’s option. Shares of the Company's Series C Preferred Stock may be redeemable earlier than the optional redemption date under certain circumstances intended to preserve its qualification as a REIT for federal income tax purposes.

(3)The initial dividend rate for the Series C Preferred Stock, from and including the date of original issue to, but not including, September 17, 2024, is 8.000% per annum of the $25.00 per share liquidation preference. On and after September 17, 2024, dividends on the Series C Preferred Stock will accumulate at a percentage of the $25.00 liquidation preference equal to an annual floating rate of the then three-month LIBOR (or as replaced by the existing LIBOR cessation fallback language) plus a spread of 6.476% per annum.

(4)Dividends are payable quarterly in arrears on the 17th day of each March, June, September, and December and holders are entitled to receive cumulative cash dividends at the respective stated rate per annum before holders of common stock are entitled to receive any cash dividends.

The Company's Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock generally do not have any voting rights, subject to an exception in the event the Company fails to pay dividends on such stock for six or more quarterly periods (whether or not consecutive). Under such circumstances, holders of the Company's Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock voting together as a single class with the holders of all other classes or series of its preferred stock upon which like voting rights have been conferred and are exercisable and which are entitled to vote as a class with the Company's Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock will be entitled to vote to elect two additional directors to the Company’s Board of Directors until all unpaid dividends have been paid or declared and set apart for payment. In addition, certain material and adverse changes to the terms of any series of the Company's Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock cannot be made without the affirmative vote of holders of at least two-thirds of the outstanding shares of the series of the Company's Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock whose terms are being changed.

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Commitments and Contingencies

3 Months Ended

Mar. 31, 2024

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies

From time to time, the Company may become involved in various claims and legal actions arising in the ordinary course of business. As of March 31, 2024, the Company was not involved in any material legal proceedings.

The below table details the Company's outstanding commitments as of March 31, 2024 (in thousands).

Commitment type	Date of Commitment	Total Commitment		Funded Commitment		Remaining Commitment
Non-Agency and Agency-Eligible Loans (1)	Various	$	109,655	$	—	$	109,655

(1)The Company entered into forward purchase commitments to acquire certain Non-Agency and Agency-Eligible Loans from Arc Home which have not yet settled as of March 31, 2024. Refer to Note 10 "Transactions with affiliates" for more information.

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Subsequent Events

3 Months Ended

Mar. 31, 2024

Subsequent Events [Abstract]

Subsequent Events

Subsequent Events

The Company announced that on May 2, 2024, its Board of Directors declared second quarter 2024 preferred stock dividends on its Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock in the amount of $0.51563, $0.50 and $0.50 per share, respectively. The dividends will be paid on June 17, 2024 to holders of record on May 31, 2024.

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Summary of significant accounting policies (Policies)

3 Months Ended

Mar. 31, 2024

Accounting Policies [Abstract]

Consolidation and basis of presentation

The accompanying unaudited consolidated financial statements and related notes have been prepared on the accrual basis of accounting in accordance with accounting principles generally accepted in the United States of America ("GAAP") for interim financial reporting and the instructions to Form 10-Q and Rule 10-01 of Regulation S-X. The operating results presented for interim periods are not necessarily indicative of the results that may be expected for any other interim period or for the entire year. In the opinion of management, all adjustments considered necessary for a fair statement of the Company’s financial position, results of operations, and cash flows have been included for the interim period and are of a normal and recurring nature. The operating results presented for interim periods are not necessarily indicative of the results that may be expected for any other interim period or for the entire year.

Use of estimates

Use of estimates

The preparation of consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. Actual results may differ from those estimates.

Investment consolidation

Investment consolidation

An entity is a variable interest entity ("VIE") if the equity investors (i) do not have sufficient equity at risk for the entity to finance its activities without additional subordinated financial support, (ii) are unable to direct the entity’s activities or (iii) are not exposed to the entity’s losses or entitled to its residual returns. VIEs within the scope of Accounting Standards Codification ("ASC") 810-10, "Consolidation" are required to be consolidated by their primary beneficiary. The primary beneficiary of a VIE is determined to be the party that has both the power to direct the activities of a VIE that most significantly impact the VIE’s economic performance and the obligation to absorb losses or the right to receive benefits from the VIE that could potentially be significant to the VIE. This determination can sometimes involve complex and subjective analyses. Further, ASC 810-10 also requires ongoing assessments of whether an enterprise is the primary beneficiary of a VIE. In accordance with ASC 810-10, all transferees, including variable interest entities, must be evaluated for consolidation. If the Company determines that consolidation is not required, it will then assess whether the transfer of the underlying assets would qualify as a sale, should be accounted for as secured financings under GAAP, or should be accounted for as an equity method investment, depending on the circumstances.

A Special Purpose Entity ("SPE") is an entity designed to fulfill a specific limited need of the company that organized it. SPEs are often used to facilitate transactions that involve securitizing financial assets or resecuritizing previously securitized financial assets. The objective of such transactions may include obtaining non-recourse financing, obtaining liquidity or refinancing the underlying securitized financial assets on improved terms. Securitization involves transferring assets to an SPE to convert all or a portion of those assets into cash before they would have been realized in the normal course of business through the SPE’s issuance of debt or equity instruments. Investors in an SPE usually have recourse only to the assets in the SPE and depending on the overall structure of the transaction, may benefit from various forms of credit enhancement, such as over-collateralization in the form of excess assets in the SPE, priority with respect to receipt of cash flows relative to holders of other debt or equity instruments issued by the SPE, or a line of credit or other form of liquidity agreement that is designed with the objective of ensuring that investors receive principal and/or interest cash flow on the investment in accordance with the terms of their investment agreement.

The Company enters into securitization transactions collateralized by its Non-Agency Loans/Agency-Eligible Loans and re- and non-performing loans (the trusts in which these loans are deposited are referred to as "Non-Agency VIEs" and "RPL/NPL VIEs", respectively), which may result in the Company consolidating the respective VIEs that are created to facilitate these securitizations. Based on the evaluations of each VIE, the Company may conclude that the VIEs should be consolidated and, as a result, transferred assets of these VIEs would be determined to be secured borrowings. Upon consolidation, the Company elected the fair value option pursuant to ASC 825 for the assets and liabilities of the Non-Agency VIEs and RPL/NPL VIEs. Electing the fair value option allows the Company to record changes in fair value in the consolidated statement of operations, which, in management's view, more appropriately reflects the results of operations for a particular reporting period as all activities will be recorded in a similar manner. The Company applied the guidance under ASC 810-10 (Measuring the Financial Assets and the Financial Liabilities of a Consolidated Collateralized Financing Entity) whereby the Company determines whether the fair value of the assets or liabilities of the Non-Agency VIEs and RPL/NPL VIEs are more observable as a basis for measuring the less observable financial instruments. The Company has determined that the fair value of the liabilities of the Non-Agency VIEs and RPL/NPL VIEs are more observable since the prices for these liabilities are more easily determined as similar instruments trade more frequently on a relative basis than the individual assets of the VIEs. See Note 3 for more detail regarding the Non-Agency VIEs and RPL/NPL VIEs and Note 5 for more detail related to the Company's determination of fair value for the assets and liabilities included within these VIEs.

Debt issuance costs

Debt issuance costs

Debt issuance costs are costs incurred by the Company in connection with the issuance of Senior Unsecured Notes or other financing where the fair value option has not been elected. These costs may include underwriting commissions, rating agency, legal, accounting, and other fees. Debt issuance costs are included on the Company’s consolidated balance sheets as a direct reduction from the related financing liability. These costs are deferred and amortized over the life of the related financing as an adjustment to interest expense using the effective interest method.

Recent accounting pronouncements

Recent accounting pronouncements

Debt with conversion and other options

In August 2020, FASB issued ASU 2020-06, "Debt-Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging- Contracts in Entity's Own Equity (Subtopic 815-40)." The amendments in this update affect entities that issue convertible instruments and/or contracts in an entity's own equity. For convertible instruments, the instruments primarily affected are those issued with beneficial conversion features or cash conversion features because the accounting models for those specific features are removed. This ASU is effective for the year ended December 31, 2024. The Company's adoption of ASU 2020-06 during the three months ended March 31, 2024 did not have a material impact on the consolidated financial statements.

Segment Reporting

In November 2023, the FASB issued ASU 2023-07, "Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures." ASU 2023-07 intends to improve reportable segment disclosure requirements, primarily through enhanced disclosures related to significant segment expenses. In addition, this standard is expected to enhance interim disclosure requirements, clarify circumstances in which an entity can disclose multiple segment measures of profit or loss and provides new segment disclosure requirements for entities with a single reportable segment. ASU 2023-07 is effective on a retrospective basis for annual periods beginning after December 15, 2023, for interim periods within fiscal years beginning after December 15, 2024, and early adoption is permitted. The Company does not expect the adoption of the new standard to have a material effect on its consolidated financial statements.

Fair value measurements

The fair value of the Company's financial instruments is determined in accordance with the provisions of ASC 820, "Fair Value Measurements and Disclosures." When possible, the Company determines fair value using third-party data sources. ASC 820 establishes a hierarchy that prioritizes the inputs to valuation techniques. Level 1 inputs are observable inputs that reflect quoted prices for identical assets or liabilities in active markets. Level 2 inputs are observable inputs other than quoted prices and may include quoted prices for similar assets and liabilities in active markets. Level 3 inputs are significant unobservable inputs. In situations where quoted prices or observable inputs are unavailable (for example, when there is little or no market activity for an investment at the end of the period), unobservable inputs may be used and reflect the Company’s assumptions about the factors that market participants would use in pricing an asset or liability, and would be based on the best information available. In certain cases, inputs used to measure fair value fall into different levels of the fair value hierarchy. In such cases, the level at which the fair value measurement falls is determined based on the lowest level input that is significant to the fair value measurement.

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Organization (Tables)

3 Months Ended

Mar. 31, 2024

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Investment Groups

The Company's asset classes are primarily comprised of the following:

Asset Class	Description
Residential Investments
Non-Agency Loans(1)	•Non-Agency Loans are loans that do not conform to the underwriting guidelines of a government-sponsored enterprise ("GSE"). Non-Agency Loans consist of Qualified mortgage loans ("QM Loans") and Non-Qualified mortgage loans ("Non-QM Loans"). QM Loans are residential mortgage loans that comply with the Ability-To-Repay rules and related guidelines of the Consumer Finance Protection Bureau.
Agency-Eligible Loans(1)	•Agency-Eligible Loans are loans that are underwritten in accordance with GSE guidelines and are primarily secured by investment properties, but are not guaranteed by a GSE. Although these loans are underwritten in accordance with GSE guidelines and can be delivered to Fannie Mae and Freddie Mac, the Company includes these loans within its Non-Agency securitizations.
Re- and Non-Performing Loans(1)	•Performing, re-performing, and non-performing loans are residential mortgage loans collateralized by a first lien mortgaged property.
Non-Agency RMBS(2)	•Non-Agency Residential Mortgage-Backed Securities ("RMBS") represent fixed- and floating-rate RMBS issued by entities other than U.S. GSEs or agencies of the U.S. government.
Agency RMBS(2)	•Agency RMBS represent interests in pools of residential mortgage loans guaranteed by a GSE such as Fannie Mae or Freddie Mac, or an agency of the U.S. Government such as Ginnie Mae.
Legacy WMC Commercial Investments(3)
Commercial Loans	•Commercial loans represent first lien commercial mortgage loans participations.
CMBS(2)	•Commercial Mortgage-Backed Securities ("CMBS") represent investments of fixed-rate and floating-rate CMBS, secured by, or evidencing an ownership interest in, a single commercial mortgage loan or a pool of commercial mortgage loans.

(1)These investments are included in the "Securitized residential mortgage loans, at fair value" and "Residential mortgage loans, at fair value" line items on the consolidated balance sheets.

(2)These investments are included in the "Real estate securities, at fair value" line item on the consolidated balance sheets.

(3)The Company's investments include commercial loans, CMBS and other securities (collectively, the "Legacy WMC Commercial Investments") that were acquired in the WMC acquisition. The Company expects to either hold the Legacy WMC Commercial Investments until maturity or opportunistically exit these investments.

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed

The following table summarizes the allocation of the total consideration paid to acquire the assets and assume the liabilities of WMC (in thousands, except exchange ratio and per share amounts).

Consideration
WMC shares outstanding at December 5, 2023 (1)	6,143
Exchange Ratio	1.498
Shares of MITT Common Stock Issued	9,202
MITT Common Stock Price as of December 5, 2023	$	5.56
MITT Total Consideration (2)	$	51,163
Assets
Securitized residential mortgage loans (3)	$	971,781
Residential mortgage loans (3)	6,046
Commercial loans	78,459
Non-Agency RMBS	48,200
CMBS	56,301
Other securities	1,159
Agency RMBS	745
Cash and cash equivalents	5,316
Restricted cash	873
Other assets	24,654
Total Assets	$	1,193,534
Liabilities
Securitized debt	$	837,317
Financing arrangements	171,170
Convertible senior unsecured notes	85,172
Other liabilities	18,522
Total Liabilities	$	1,112,181
Net Assets Acquired	$	81,353
Bargain purchase gain	$	30,190

(1)For time-based restricted stock units granted by WMC that fully vested as of the Closing Date, the fair value of the Company’s common stock issued in the satisfaction of these units was included in equity consideration transferred as no post acquisition service was required.

(2)MITT Total Consideration does not include the Per Share Additional Manager Consideration paid by the Manager to former holders of WMC Common Stock.

(3)The unpaid principal balance of residential mortgage loans acquired in connection with the Merger was $1.1 billion.

Schedule of Business Acquisition, Pro Forma Information

The following table presents unaudited pro forma combined interest income and net income/(loss) available to common stockholders for the three months ended March 31, 2023 prepared as if the Merger had been consummated on January 1, 2023 (in thousands).

	Three months ended March 31, 2023
Interest income	$	77,235
Net Income/(Loss) Available to Common Stockholders	15,104

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Loans (Tables)

3 Months Ended

Mar. 31, 2024

Receivables [Abstract]

Schedule of Company's Residential Mortgage Loan Portfolio and Commercial Loan Portfolio

The tables below detail information regarding the Company’s residential mortgage loan portfolio as of March 31, 2024 and December 31, 2023 ($ in thousands). The gross unrealized gains/(losses) in the table below represent inception to date gains/(losses).

	Unpaid Principal Balance						Gross Unrealized						Weighted Average
March 31, 2024			Premium (Discount)		Amortized Cost		Gains		Losses		Fair Value		Coupon		Yield		Life  (Years) (1)
Securitized residential mortgage loans, at fair value (2)
Non-Agency Loans (3)	$	5,854,878	$	(25,250)	$	5,829,628	$	33,960	$	(396,033)	$	5,467,555	5.33	%	5.64	%	9.63
Re- and Non-Performing Loans	212,525		(16,622)		195,903		—		(18,454)		177,449		3.97	%	6.27	%	5.78
Total Securitized residential mortgage loans, at fair value	$	6,067,403	$	(41,872)	$	6,025,531	$	33,960	$	(414,487)	$	5,645,004	5.28	%	5.66	%	9.49
Residential mortgage loans, at fair value
Non-Agency Loans	$	97,544	$	1,112	$	98,656	$	1,131	$	(643)	$	99,144	8.16	%	7.15	%	3.09
Agency-Eligible Loans	99,930		2,397		102,327		658		(30)		102,955		7.72	%	6.98	%	3.67
Re- and Non-Performing Loans	2,439		(1,519)		920		1,332		—		2,252		N/A		116.45	%	1.62
Total Residential mortgage loans, at fair value	$	199,913	$	1,990	$	201,903	$	3,121	$	(673)	$	204,351	7.94	%	8.27	%	3.36
Total as of March 31, 2024	$	6,267,316	$	(39,882)	$	6,227,434	$	37,081	$	(415,160)	$	5,849,355	5.36	%	5.75	%	9.30
	Unpaid Principal Balance						Gross Unrealized						Weighted Average
December 31, 2023			Premium (Discount)		Amortized Cost		Gains		Losses		Fair Value		Coupon		Yield		Life  (Years) (1)
Securitized residential mortgage loans, at fair value (2)
Non-Agency Loans (3)	$	5,599,960	$	(32,250)	$	5,567,710	$	29,603	$	(422,144)	$	5,175,169	5.19	%	5.51	%	10.37
Re- and Non-Performing Loans	217,098		(17,465)		199,633		199		(16,720)		183,112		3.88	%	6.30	%	6.10
Total Securitized residential mortgage loans, at fair value	$	5,817,058	$	(49,715)	$	5,767,343	$	29,802	$	(438,864)	$	5,358,281	5.14	%	5.54	%	10.21
Residential mortgage loans, at fair value
Non-Agency Loans	$	92,033	$	835	$	92,868	$	2,222	$	(574)	$	94,516	8.10	%	7.29	%	3.14
Agency-Eligible Loans	212,350		3,535		215,885		4,824		—		220,709		7.94	%	7.28	%	3.37
Re- and Non-Performing Loans	2,604		(1,630)		974		1,432		—		2,406		N/A		112.97	%	1.69
Total Residential mortgage loans, at fair value	$	306,987	$	2,740	$	309,727	$	8,478	$	(574)	$	317,631	7.99	%	8.08	%	3.29
Total as of December 31, 2023	$	6,124,045	$	(46,975)	$	6,077,070	$	38,280	$	(439,438)	$	5,675,912	5.28	%	5.68	%	9.86

(1)This is based on projected life. Typically, actual maturities are shorter than stated contractual maturities. Maturities are affected by the lives of the underlying mortgage loans, periodic payments of principal, and prepayments of principal.

(2)Refer to the "Variable interest entities" section below for additional details related to the assets and liabilities of VIEs consolidated on the Company's consolidated balance sheets.

(3)Securitized Non-Agency Loans include loans that were considered to be Agency-Eligible prior to the Company's securitization.

During the three months ended March 31, 2024 and 2023, the Company purchased residential mortgage loans, as detailed below (in thousands).

	Three Months Ended March 31, 2024				Three Months Ended March 31, 2023
	Unpaid Principal Balance		Fair Value		Unpaid Principal Balance		Fair Value
Non-Agency Loans	$	14,046	$	14,214	$	22,550	$	22,954
Agency-Eligible Loans	268,086		271,084		—		—
Total	$	282,132	$	285,298	$	22,550	$	22,954

For the three months ended March 31, 2023, the Company sold residential mortgage loans as detailed below ($ in thousands).

	Number of Loans	Proceeds		Realized Gains		Realized Losses
Non-Agency Loans	116	$	46,909	$	—	$	(9,745)
Agency-Eligible Loans	47	18,474		69		(85)

The tables below detail information regarding the Company's Legacy WMC Commercial loan portfolio as of March 31, 2024 and December 31, 2023 ($ in thousands). The gross unrealized gains/(losses) in the table below represent inception to date gains/(losses).

March 31, 2024			Premium / (Discount)		Amortized Cost		Gross Unrealized Gains		Fair Value		Weighted Average					Maturity Date (5)	LTV (6)		Location
Loan (1)(2)(3)	Unpaid Principal Balance										Coupon		Yield		Life (Years) (4)
Loan A (7)	$	7,259	$	(124)	$	7,135	$	25	$	7,160	9.52	%	10.76	%	1.18	5/6/2025	61.63	%	IL, FL
Loan B (7)	13,206		(226)		12,980		47		13,027		9.52	%	10.76	%	1.18	5/6/2025	75.33	%	CA
Loan C (7)	24,535		(420)		24,115		86		24,201		9.52	%	10.76	%	1.18	5/6/2025	77.22	%	NY
Loan D (8)	22,204		(167)		22,037		49		22,086		8.70	%	8.67	%	1.44	8/6/2025	42.50	%	CT
Total	$	67,204	$	(937)	$	66,267	$	207	$	66,474	9.25	%	10.06	%	1.27		63.63	%

December 31, 2023			Premium / (Discount)		Amortized Cost		Gross Unrealized Gains		Fair Value		Weighted Average					Maturity Date (5)	LTV (6)		Location
Loan (1)(2)(3)	Unpaid Principal Balance										Coupon		Yield		Life (Years) (4)
Loan A (7)	$	7,259	$	(137)	$	7,122	$	12	$	7,134	9.55	%	10.16	%	1.44	5/6/2025	61.63	%	IL, FL
Loan B (7)	13,206		(249)		12,957		22		12,979		9.55	%	10.16	%	1.44	5/6/2025	75.33	%	CA
Loan C (7)	24,535		(463)		24,072		40		24,112		9.55	%	10.16	%	1.44	5/6/2025	77.22	%	NY
Loan D (8)	22,204		(147)		22,057		21		22,078		8.72	%	8.17	%	1.69	8/6/2025	42.50	%	CT
Total	$	67,204	$	(996)	$	66,208	$	95	$	66,303	9.27	%	9.50	%	1.52		63.61	%

(1)The Company has the contractual right to receive a balloon payment for each loan.

(2)Each commercial loan investment is a first mortgage loan.

(3)Each commercial loan has a current payment status.

(4)Actual maturities of commercial loans may be shorter or longer than stated contractual maturities. Maturities are affected by prepayments of principal.

(5)Represents maturity date of the last possible extension option.

(6)Represents the LTV at acquisition.

(7)Loans A, B, and C have a floating rate coupon equal to 4.20% plus one-month SOFR and are collateralized by hotels.

(8)Loan D has a floating rate coupon equal to 3.38% plus one-month SOFR and is collateralized by a retail property.

Schedule of Credit Quality Information on Residential Mortgage Loans

The following tables present information regarding credit quality of the Company's residential mortgage loans ($ in thousands).

	Unpaid Principal Balance			Weighted Average (1)(2)			Aging by Unpaid Principal Balance (1)(3)
March 31, 2024			Loan Count (1)	Original LTV Ratio (4)		Current FICO (5)	Current		30-59 Days		60-89 Days		90+ Days
Securitized residential mortgage loans
Non-Agency Loans	$	5,854,878	14,239	67.03	%	748	$	5,674,716	$	68,456	$	41,483	$	70,223
Re- and Non-Performing Loans	212,525		1,459	79.78	%	659	149,877		17,683		7,690		37,275
Total Securitized residential mortgage loans	$	6,067,403	15,698	67.48	%	745	$	5,824,593	$	86,139	$	49,173	$	107,498
Residential mortgage loans
Non-Agency Loans	$	97,544	182	74.36	%	726	$	91,110	$	731	$	—	$	5,703
Agency-Eligible Loans	99,930		258	72.86	%	771	99,930		—		—		—
Re- and Non-Performing Loans (1)	2,439		N/A	N/A		N/A	N/A		N/A		N/A		N/A
Total Residential mortgage loans	$	199,913	440	73.60	%	749	$	191,040	$	731	$	—	$	5,703
Total as of March 31, 2024	$	6,267,316	16,138	67.67	%	745	$	6,015,633	$	86,870	$	49,173	$	113,201
	Unpaid Principal Balance			Weighted Average (1)(2)			Aging by Unpaid Principal Balance (1)(3)
December 31, 2023			Loan Count (1)	Original LTV Ratio (4)		Current FICO (5)	Current		30-59 Days		60-89 Days		90+ Days
Securitized residential mortgage loans
Non-Agency Loans	$	5,599,960	13,460	66.65	%	748	$	5,446,631	$	68,242	$	30,873	$	54,214
Re- and Non-Performing Loans	217,098		1,495	79.80	%	657	154,632		17,145		4,780		40,541
Total Securitized residential mortgage loans	$	5,817,058	14,955	67.14	%	744	$	5,601,263	$	85,387	$	35,653	$	94,755
Residential mortgage loans
Non-Agency Loans	$	92,033	170	74.79	%	730	$	83,582	$	1,010	$	615	$	6,826
Agency-Eligible Loans	212,350		536	71.99	%	777	211,499		851		—		—
Re- and Non-Performing Loans (1)	2,604		N/A	N/A		N/A	N/A		N/A		N/A		N/A
Total Residential mortgage loans	$	306,987	706	72.83	%	764	$	295,081	$	1,861	$	615	$	6,826
Total as of December 31, 2023	$	6,124,045	15,661	67.42	%	745	$	5,896,344	$	87,248	$	36,268	$	101,581

(1)Loan count, weighted average, and aging data excludes the Re- and Non-Performing Loans subcategory of Residential mortgage loans above as there may be limited data available regarding the underlying collateral of these residual positions.

(2)Amounts are weighted based on unpaid principal balance.

(3)As of March 31, 2024, the Company had securitized residential mortgage loans and residential mortgage loans that were 90+ days delinquent with a fair value of $52.2 million and loans in the process of foreclosure with a fair value of $52.6 million. As of December 31, 2023, the Company had securitized residential mortgage loans and residential mortgage loans that were 90+ days delinquent with a fair value of $41.7 million and loans in the process of foreclosure with a fair value of $51.8 million.

(4)Represents the original LTV or, for Re- and Non-Performing Loans and Non-Agency Loans acquired from WMC, the LTV at acquisition.

(5)Weighted average current FICO excludes borrowers where FICO scores were not available. Data is based on the latest available information, which is primarily as of February 29, 2024 and November 30, 2023, respectively.

Schedule of Certain Concentrations of Credit Risk Within the Company's Mortgage Loan Portfolio

The following is a summary of the geographic concentration of credit risk as of March 31, 2024 and December 31, 2023 and includes states where the exposure is greater than 5% of the fair value of the Company's residential mortgage loan portfolio.

 

Geographic Concentration of Credit Risk (1)	March 31, 2024		December 31, 2023
California	37	%	38	%
New York	13	%	13	%
Florida	10	%	10	%
Texas	6	%	6	%
New Jersey	5	%	5	%

(1)Excludes the Re- and Non-Performing Loans subcategory of Residential mortgage loans above as there may be limited data available regarding the underlying collateral of these residual positions.

Schedule of Variable Interest Entities

The following table details certain information related to the assets and liabilities of the Non-Agency VIEs as of March 31, 2024 and December 31, 2023 ($ in thousands).

	March 31, 2024					December 31, 2023
	Carrying Value		Weighted Average			Carrying Value		Weighted Average
			Yield		Life (Years) (1)			Yield		Life (Years) (1)
Assets
Securitized residential mortgage loans, at fair value (2)	$	5,467,555	5.64	%	9.63	$	5,175,169	5.51	%	10.37
Other assets	26,870					25,105
Total Assets	$	5,494,425				$	5,200,274
Liabilities
Securitized debt, at fair value (2) (3)	$	4,871,205	5.07	%	7.10	$	4,597,490	4.94	%	7.52
Other liabilities	18,740					17,269
Total Liabilities	$	4,889,945				$	4,614,759
Total Equity (4)	$	604,480				$	585,515

(1)This is based on projected life. Typically, actual maturities are shorter than stated contractual maturities. Maturities are affected by the contractual lives of the underlying mortgages, periodic payments of principal, and prepayments of principal.

(2)Securitized residential mortgage loans in Non-Agency VIEs include loans that were considered to be Agency-Eligible prior to the Company's securitization.

(3)The holders of the securitized debt have no recourse to the general credit of the Company. The Company has no obligation to provide any other explicit or implicit support to the Non-Agency VIEs.

(4)As of March 31, 2024 and December 31, 2023, the Company had outstanding financing arrangements of $315.0 million and $301.2 million, respectively, collateralized by $597.4 million and $578.8 million of the Company's retained interests in the Non-Agency VIEs, respectively. See Note 6 for more detail regarding the Company's financing arrangements.

The following table details certain information related to the assets and liabilities of the RPL/NPL VIEs as of March 31, 2024 and December 31, 2023 ($ in thousands).

	March 31, 2024					December 31, 2023
	Carrying Value		Weighted Average			Carrying Value		Weighted Average
			Yield		Life (Years) (1)			Yield		Life (Years) (1)
Assets
Securitized residential mortgage loans, at fair value	$	177,449	6.27	%	5.78	$	183,112	6.30	%	6.10
Restricted cash	17					10
Other assets	1,736					2,056
Total Assets	$	179,202				$	185,178
Liabilities
Securitized debt, at fair value (2)	$	109,737	3.28	%	3.86	$	114,133	3.25	%	3.77
Other liabilities	322					328
Total Liabilities	$	110,059				$	114,461
Total Equity (3)	$	69,143				$	70,717

(1)This is based on projected life. Typically, actual maturities are shorter than stated contractual maturities. Maturities are affected by the contractual lives of the underlying mortgages, periodic payments of principal, and prepayments of principal.

(2)The holders of the securitized debt have no recourse to the general credit of the Company. The Company has no obligation to provide any other explicit or implicit support to the RPL/NPL VIEs.

(3)As of March 31, 2024 and December 31, 2023, the Company had outstanding financing arrangements of $43.6 million and $44.9 million, respectively, collateralized by $66.0 million and $67.1 million of the Company's retained interests in the RPL/NPL VIEs, respectively. See Note 6 for more detail regarding the Company's financing arrangements.

The following table summarizes the Company’s investment in unconsolidated VIEs as of March 31, 2024 and December 31, 2023 (in thousands).

	March 31, 2024				December 31, 2023
	Current Face		Fair Value		Current Face		Fair Value
Retained interest in unconsolidated VIEs
GCAT Non-Agency Securities	$	43,794	$	34,209	$	43,794	$	32,542
GCAT Non-Agency RMBS Interest Only (1)	N/A		4,954		N/A		4,991
Total retained interest in unconsolidated VIEs (2) (3)	$	43,794	$	39,163	$	43,794	$	37,533

(1)Interest Only have no principal balances and bear interest based on a notional value. The notional value is used solely to determine interest distributions on the interest only classes of securities. As of March 31, 2024 and December 31, 2023, the notional values of the GCAT Non-Agency RMBS Interest Only line item were $93.9 million and $98.3 million, respectively.

(2)Maximum loss exposure from the Company’s involvement with unconsolidated VIEs pertains to the fair value of the securities retained from these VIEs. The Company has no obligation to provide any other explicit or implicit support to the securitization trust.

(3)As of March 31, 2024 and December 31, 2023, the Company held securities exposed to the first loss of the securitization with a fair value of $4.1 million and $4.1 million, respectively.

The following table summarizes information regarding the residential mortgage loans transferred to the Company’s unconsolidated VIEs as of March 31, 2024 and December 31, 2023 ($ in thousands).

Assets transferred to unconsolidated VIEs:	March 31, 2024			December 31, 2023
Total unpaid principal balance of loans outstanding (1)	$	436,585		$	450,366
Weighted average coupon on loans outstanding	5.68		%	5.67		%
Percent of unpaid principal balance greater than 90 days delinquent (2)	1.57		%	1.94		%

(1)The Company contributed approximately 40.9% of the unpaid principal balance into one of the securitization trusts and, through the Company's investment in MATH, contributed approximately 44.6% of the unpaid principal balance into the remaining four securitization trusts.

(2)As of March 31, 2024, 0.88% of loans were 90+ days delinquent and 0.69% of loans were in process of foreclosure. As of December 31, 2023, 0.70% of loans were 90+ days delinquent and 1.24% loans were in process of foreclosure.

XML

Real Estate Securities (Tables)

3 Months Ended

Mar. 31, 2024

Investments, Debt and Equity Securities [Abstract]

Schedule of Real Estate Securities Portfolio

The following tables detail the Company’s real estate securities portfolio as of March 31, 2024 and December 31, 2023 ($ in thousands). The gross unrealized gains/(losses) in the tables below represent inception to date unrealized gains/(losses). 

	Current Face		Premium / (Discount)		Amortized Cost		Gross Unrealized						Weighted Average
March 31, 2024							Gains		Losses		Fair Value		Coupon (1)		Yield
Non-Agency RMBS
GCAT Non-Agency RMBS (2)
GCAT Non-Agency Securities	$	43,794	$	(2,179)	$	41,615	$	—	$	(7,406)	$	34,209	4.67	%	6.01	%
GCAT Non-Agency RMBS Interest Only (3)	N/A		N/A		2,455		2,499		—		4,954		0.54	%	37.04	%
Total GCAT Non-Agency RMBS	43,794		(2,179)		44,070		2,499		(7,406)		39,163		2.53	%	9.94	%
Non-Agency Securities	40,930		(9,856)		31,074		3,166		(107)		34,133		6.21	%	8.41	%
Non-Agency RMBS Interest Only (3)	N/A		N/A		176		4		—		180		0.21	%	26.83	%
Total Non-Agency RMBS	84,724		(12,035)		75,320		5,669		(7,513)		73,476		3.02	%	9.27	%
Legacy WMC CMBS	103,399		(46,027)		57,372		944		(3,927)		54,389		7.38	%	20.97	%
Legacy WMC Other Securities (4)	N/A		N/A		1,120		100		—		1,220		N/A		19.45	%
Agency RMBS
30 Year Fixed Rate	121,708		123		121,831		—		(111)		121,720		5.50	%	5.48	%
Agency RMBS Interest Only (3)	N/A		N/A		22,104		99		(1,140)		21,063		4.01	%	10.59	%
Total Agency RMBS	121,708		123		143,935		99		(1,251)		142,783		4.77	%	6.24	%
Total as of March 31, 2024	$	309,831	$	(57,939)	$	277,747	$	6,812	$	(12,691)	$	271,868	4.74	%	10.06	%

	Current Face		Premium / (Discount)		Amortized Cost		Gross Unrealized						Weighted Average
December 31, 2023							Gains		Losses		Fair Value		Coupon (1)		Yield
Non-Agency RMBS
GCAT Non-Agency RMBS (2)
GCAT Non-Agency Securities	$	43,794	$	(2,281)	$	41,513	$	—	$	(8,971)	$	32,542	4.67	%	5.99	%
GCAT Non-Agency RMBS Interest Only (3)	N/A		N/A		2,541		2,450		—		4,991		—	%	37.74	%
Total GCAT Non-Agency RMBS	43,794		(2,281)		44,054		2,450		(8,971)		37,533		2.20	%	10.21	%
Non-Agency Securities	82,390		(33,399)		48,991		2,139		(124)		51,006		4.99	%	9.11	%
Non-Agency RMBS Interest Only (3)	N/A		N/A		1,116		1		(34)		1,083		0.35	%	16.04	%
Total Non-Agency RMBS	126,184		(35,680)		94,161		4,590		(9,129)		89,622		2.17	%	9.66	%
Legacy WMC CMBS	103,458		(46,925)		56,533		546		(730)		56,349		7.39	%	21.90	%
Legacy WMC Other Securities (4)	N/A		N/A		1,174		—		(18)		1,156		N/A		18.16	%
Agency RMBS Interest Only (3)	N/A		N/A		16,714		115		(1,135)		15,694		3.74	%	10.20	%
Total as of December 31, 2023	$	229,642	$	(82,605)	$	168,582	$	5,251	$	(11,012)	$	162,821	3.54	%	14.01	%

(1)Equity residual investments with a zero coupon rate are excluded from this calculation.

(2)GCAT Non-Agency RMBS are securities issued under Gold Creek Asset Trust ("GCAT"), which is the TPG Angelo Gordon securitization shelf under which the Company or private funds under the management of TPG Angelo Gordon securitize loans. Refer to the "Unconsolidated variable interest entities" section below for additional details on these securities.

(3)Interest Only have no principal balances and bear interest based on a notional value. The notional value is used solely to determine interest distributions on the interest only classes of securities. As of March 31, 2024, the notional values of the GCAT Non-Agency RMBS Interest Only, Non-Agency RMBS Interest Only and Agency RMBS Interest Only line items were $93.9 million, $30.6 million and $114.8 million, respectively. As of December 31, 2023, the notional values of the GCAT Non-Agency RMBS Interest Only, Non-Agency RMBS Interest Only and Agency RMBS Interest Only line items were $98.3 million, $128.8 million and $92.2 million, respectively.

(4)Legacy WMC Other securities include residual interests in asset-backed securities which have no principal balance.

The Company sold real estate securities during the three months ended March 31, 2024, as detailed below ($ in thousands). The Company did not sell any real estate securities during the three months ended March 31, 2023.

	Number of Securities	Proceeds		Realized Gains		Realized Losses
Three Months Ended March 31, 2024	7	$	19,318	$	1,160	$	(409)

Schedule of Weighted Average Life of Real Estate Securities

The following tables summarize the Company's real estate securities according to their projected weighted average life classifications as of March 31, 2024 and December 31, 2023 ($ in thousands).

March 31, 2024	Non-Agency RMBS				Legacy WMC CMBS				Legacy WMC Other Securities				Agency RMBS
Weighted Average Life (1)	Fair Value		Amortized Cost		Fair Value		Amortized Cost		Fair Value		Amortized Cost		Fair Value		Amortized Cost
Less than or equal to one year	$	—	$	—	$	18,348	$	20,595	$	—	$	—	$	—	$	—
Greater than one year and less than or equal to five years	3,546		3,502		36,041		36,777		—		—		609		632
Greater than five years and less than or equal to ten years	38,425		39,112		—		—		1,220		1,120		142,174		143,303
Greater than ten years	31,505		32,706		—		—		—		—		—		—
Total as of March 31, 2024	$	73,476	$	75,320	$	54,389	$	57,372	$	1,220	$	1,120	$	142,783	$	143,935

December 31, 2023	Non-Agency RMBS				Legacy WMC CMBS				Legacy WMC Other Securities				Agency RMBS
Weighted Average Life (1)	Fair Value		Amortized Cost		Fair Value		Amortized Cost		Fair Value		Amortized Cost		Fair Value		Amortized Cost
Less than or equal to one year	$	—	$	—	$	15,015	$	15,010	$	—	$	—	$	—	$	—
Greater than one year and less than or equal to five years	4,631		4,669		41,334		41,523		—		—		697		678
Greater than five years and less than or equal to ten years	38,792		40,539		—		—		1,156		1,174		14,997		16,036
Greater than ten years	46,199		48,953		—		—		—		—		—		—
Total as of December 31, 2023	$	89,622	$	94,161	$	56,349	$	56,533	$	1,156	$	1,174	$	15,694	$	16,714

(1)This is based on projected life. Typically, actual maturities are shorter than stated contractual maturities. Maturities are affected by the contractual lives of the underlying mortgages, periodic payments of principal and prepayments of principal.

Schedule of Variable Interest Entities

The following table details certain information related to the assets and liabilities of the Non-Agency VIEs as of March 31, 2024 and December 31, 2023 ($ in thousands).

	March 31, 2024					December 31, 2023
	Carrying Value		Weighted Average			Carrying Value		Weighted Average
			Yield		Life (Years) (1)			Yield		Life (Years) (1)
Assets
Securitized residential mortgage loans, at fair value (2)	$	5,467,555	5.64	%	9.63	$	5,175,169	5.51	%	10.37
Other assets	26,870					25,105
Total Assets	$	5,494,425				$	5,200,274
Liabilities
Securitized debt, at fair value (2) (3)	$	4,871,205	5.07	%	7.10	$	4,597,490	4.94	%	7.52
Other liabilities	18,740					17,269
Total Liabilities	$	4,889,945				$	4,614,759
Total Equity (4)	$	604,480				$	585,515

(1)This is based on projected life. Typically, actual maturities are shorter than stated contractual maturities. Maturities are affected by the contractual lives of the underlying mortgages, periodic payments of principal, and prepayments of principal.

(2)Securitized residential mortgage loans in Non-Agency VIEs include loans that were considered to be Agency-Eligible prior to the Company's securitization.

(3)The holders of the securitized debt have no recourse to the general credit of the Company. The Company has no obligation to provide any other explicit or implicit support to the Non-Agency VIEs.

(4)As of March 31, 2024 and December 31, 2023, the Company had outstanding financing arrangements of $315.0 million and $301.2 million, respectively, collateralized by $597.4 million and $578.8 million of the Company's retained interests in the Non-Agency VIEs, respectively. See Note 6 for more detail regarding the Company's financing arrangements.

The following table details certain information related to the assets and liabilities of the RPL/NPL VIEs as of March 31, 2024 and December 31, 2023 ($ in thousands).

	March 31, 2024					December 31, 2023
	Carrying Value		Weighted Average			Carrying Value		Weighted Average
			Yield		Life (Years) (1)			Yield		Life (Years) (1)
Assets
Securitized residential mortgage loans, at fair value	$	177,449	6.27	%	5.78	$	183,112	6.30	%	6.10
Restricted cash	17					10
Other assets	1,736					2,056
Total Assets	$	179,202				$	185,178
Liabilities
Securitized debt, at fair value (2)	$	109,737	3.28	%	3.86	$	114,133	3.25	%	3.77
Other liabilities	322					328
Total Liabilities	$	110,059				$	114,461
Total Equity (3)	$	69,143				$	70,717

(1)This is based on projected life. Typically, actual maturities are shorter than stated contractual maturities. Maturities are affected by the contractual lives of the underlying mortgages, periodic payments of principal, and prepayments of principal.

(2)The holders of the securitized debt have no recourse to the general credit of the Company. The Company has no obligation to provide any other explicit or implicit support to the RPL/NPL VIEs.

(3)As of March 31, 2024 and December 31, 2023, the Company had outstanding financing arrangements of $43.6 million and $44.9 million, respectively, collateralized by $66.0 million and $67.1 million of the Company's retained interests in the RPL/NPL VIEs, respectively. See Note 6 for more detail regarding the Company's financing arrangements.

The following table summarizes the Company’s investment in unconsolidated VIEs as of March 31, 2024 and December 31, 2023 (in thousands).

	March 31, 2024				December 31, 2023
	Current Face		Fair Value		Current Face		Fair Value
Retained interest in unconsolidated VIEs
GCAT Non-Agency Securities	$	43,794	$	34,209	$	43,794	$	32,542
GCAT Non-Agency RMBS Interest Only (1)	N/A		4,954		N/A		4,991
Total retained interest in unconsolidated VIEs (2) (3)	$	43,794	$	39,163	$	43,794	$	37,533

(1)Interest Only have no principal balances and bear interest based on a notional value. The notional value is used solely to determine interest distributions on the interest only classes of securities. As of March 31, 2024 and December 31, 2023, the notional values of the GCAT Non-Agency RMBS Interest Only line item were $93.9 million and $98.3 million, respectively.

(2)Maximum loss exposure from the Company’s involvement with unconsolidated VIEs pertains to the fair value of the securities retained from these VIEs. The Company has no obligation to provide any other explicit or implicit support to the securitization trust.

(3)As of March 31, 2024 and December 31, 2023, the Company held securities exposed to the first loss of the securitization with a fair value of $4.1 million and $4.1 million, respectively.

The following table summarizes information regarding the residential mortgage loans transferred to the Company’s unconsolidated VIEs as of March 31, 2024 and December 31, 2023 ($ in thousands).

Assets transferred to unconsolidated VIEs:	March 31, 2024			December 31, 2023
Total unpaid principal balance of loans outstanding (1)	$	436,585		$	450,366
Weighted average coupon on loans outstanding	5.68		%	5.67		%
Percent of unpaid principal balance greater than 90 days delinquent (2)	1.57		%	1.94		%

(1)The Company contributed approximately 40.9% of the unpaid principal balance into one of the securitization trusts and, through the Company's investment in MATH, contributed approximately 44.6% of the unpaid principal balance into the remaining four securitization trusts.

(2)As of March 31, 2024, 0.88% of loans were 90+ days delinquent and 0.69% of loans were in process of foreclosure. As of December 31, 2023, 0.70% of loans were 90+ days delinquent and 1.24% loans were in process of foreclosure.

XML

Fair value measurements (Tables)

3 Months Ended

Mar. 31, 2024

Fair Value Disclosures [Abstract]

Schedule of Financial Instruments Measured at Fair Value

The following tables present the Company’s financial instruments measured at fair value on a recurring basis as of March 31, 2024 and December 31, 2023 (in thousands).

	Fair Value at March 31, 2024
	Level 1		Level 2		Level 3		Total
Assets:
Securitized residential mortgage loans	$	—	$	—	$	5,645,004	$	5,645,004
Residential mortgage loans	—		795		203,556		204,351
Legacy WMC Commercial Loans	—		—		66,474		66,474
Non-Agency RMBS	—		34,313		39,163		73,476
Legacy WMC CMBS	—		51,121		3,268		54,389
Legacy WMC Other Securities	—		—		1,220		1,220
Agency RMBS	—		142,783		—		142,783
Derivative assets (1)	—		10,351		472		10,823
Cash equivalents (2)	96,628		—		—		96,628
AG Arc (3)	—		—		33,190		33,190
Total Assets Measured at Fair Value	$	96,628	$	239,363	$	5,992,347	$	6,328,338
Liabilities:
Securitized debt	$	—	$	—	$	(4,980,942)	$	(4,980,942)
Derivative liabilities (1)	—		(1,147)		(159)		(1,306)
Total Liabilities Measured at Fair Value	$	—	$	(1,147)	$	(4,981,101)	$	(4,982,248)
	Fair value at December 31, 2023
	Level 1		Level 2		Level 3		Total
Assets:
Securitized residential mortgage loans	$	—	$	—	$	5,358,281	$	5,358,281
Residential mortgage loans	—		777		316,854		317,631
Legacy WMC Commercial loans	—		—		66,303		66,303
Non-Agency RMBS	—		52,089		37,533		89,622
Legacy WMC CMBS	—		50,553		5,796		56,349
Legacy WMC Other Securities	—		—		1,156		1,156
Agency RMBS	—		15,694		—		15,694
Derivative assets (1)	—		9,433		1,172		10,605
Cash equivalents (2)	95,749		—		—		95,749
AG Arc (3)	—		—		33,574		33,574
Total Assets Measured at Fair Value	$	95,749	$	128,546	$	5,820,669	$	6,044,964
Liabilities:
Securitized debt	$	—	$	—	$	(4,711,623)	$	(4,711,623)
Derivative liabilities (1)	—		(7,783)		(7)		(7,790)
Total Liabilities Measured at Fair Value	$	—	$	(7,783)	$	(4,711,630)	$	(4,719,413)

(1)As of March 31, 2024, the Company applied a reduction in fair value of $10.1 million and $1.0 million to its interest rate swap assets and liabilities, respectively, related to variation margin with a corresponding increase or decrease in restricted cash. As of December 31, 2023, the Company applied a reduction in fair value of $9.3 million and $7.7 million to its interest rate swap assets and liabilities, respectively, related to variation margin with a corresponding increase or decrease in restricted cash. Derivative assets and liabilities are included in the "Other assets" and "Other liabilities" line items on the consolidated balance sheets, respectively. Refer to Note 7 for more information on the Company's derivatives.

(2)The Company classifies highly liquid investments with original maturities of three months or less from the date of purchase as cash equivalents. Cash equivalents may include cash invested in money market funds and are carried at cost, which approximates fair value.

(3)The table above includes the Company's investment in AG Arc, which is included in its "Investments in debt and equity of affiliates" line item on the consolidated balance sheets, as the Company has chosen to elect the fair value option with respect to its investment pursuant to ASC 825.

Schedule of Assets and Liabilities Measured on a Recurring Basis

The following tables present additional information about the Company’s assets and liabilities which are measured at fair value on a recurring basis for which the Company has utilized Level 3 inputs to determine fair value (in thousands).

Three Months Ended March 31, 2024
	Residential Mortgage Loans (1)		Legacy WMC Commercial Loans		Non-Agency RMBS		Legacy WMC CMBS		Legacy WMC Other Securities		Derivative Assets (2)		AG Arc		Securitized Debt		Derivative Liabilities (2)
Beginning balance	$	5,675,135	$	66,303	$	37,533	$	5,796	$	1,156	$	1,172	$	33,574	$	(4,711,623)	$	(7)
Purchases	287,617		—		—		—		—		—		—		—		—
Issuances of Securitized Debt	—		—		—		—		—		—		—		(363,899)		—
Capital distributions	—		—		—		—		—		—		(312)		—		—
Proceeds from sales or settlements	—		—		—		—		—		(1,181)		—		—		49
Principal repayments	(140,625)		—		—		—		—		—		—		124,587		—
Included in net income:
Net premium and discount amortization (3)	4,197		60		16		(63)		(54)		—		—		(7,578)		—
Net realized gain/(loss)	2		—		—		—		—		1,181		—		—		(49)
Net unrealized gain/(loss)	23,056		111		1,614		(2,465)		118		(700)		—		(22,429)		(152)
Equity in earnings/(loss) from affiliates	—		—		—		—		—		—		(72)		—		—
Other (4)	(822)		—		—		—		—		—		—		—		—
Ending Balance	$	5,848,560	$	66,474	$	39,163	$	3,268	$	1,220	$	472	$	33,190	$	(4,980,942)	$	(159)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held as of March 31, 2024
Net premium and discount amortization (3)	4,197		60		16		(63)		(54)		—		—		(7,578)		—
Net unrealized gain/(loss)	23,056		111		1,614		(2,465)		118		472		—		(22,429)		(159)
Equity in earnings/(loss) from affiliates	—		—		—		—		—		—		(72)		—		—

Three Months Ended March 31, 2023
	Residential Mortgage Loans (1)		Non-Agency RMBS		Derivative assets (2)		AG Arc		Securitized debt		Derivative liabilities (2)
Beginning balance	$	4,127,843	$	14,917	$	98	$	39,680	$	(3,262,352)	$	(9)
Purchases	22,755		—		—		—		—		—
Issuances of Securitized Debt	—		—		—		—		(234,754)		—
Proceeds from sales or settlements	(65,383)		—		—		—		—		—
Principal repayments	(73,956)		—		—		—		66,957		—
Included in net income:
Net premium and discount amortization (3)	1,144		(76)		—		—		(2,738)		—
Net realized gain/(loss)	(9,758)		—		—		—		—		—
Net unrealized gain/(loss)	97,211		198		2,377		—		(72,642)		(66)
Equity in earnings/(loss) from affiliates	—		—		—		(2,140)		—		—
Other (4)	(1,083)		—		—		—		—		—
Ending Balance	$	4,098,773	$	15,039	$	2,475	$	37,540	$	(3,505,529)	$	(75)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held as of March 31, 2023
Net premium and discount amortization (3)	1,144		(76)		—		—		(2,738)		—
Net unrealized gain/(loss)	87,029		198		2,377		—		(72,642)		(66)
Equity in earnings/(loss) from affiliates	—		—		—		(2,140)		—		—

(1)Includes Securitized residential mortgage loans, Securitized residential mortgage loans held for sale, and Residential mortgage loans held for sale.

(2)Derivative assets and derivative liabilities are included in the "Other assets" and "Other liabilities" line items, respectively, on the consolidated balance sheets.

(3)Included in the "Interest income" and "Interest expense" line items on the consolidated statement of operations for assets and liabilities, respectively.

(4)Includes transfers of residential mortgage loans to real estate owned as well as activity related to advances.

Schedule of Valuation Techniques

The following table presents a summary of quantitative information about the significant unobservable inputs used in the fair value measurement of investments for which the Company has utilized Level 3 inputs to determine fair value as of March 31, 2024 and December 31, 2023 ($ in thousands).

		March 31, 2024			December 31, 2023
Valuation Technique	Unobservable Input	Fair Value		Range (Weighted Average) (1)	Fair Value		Range (Weighted Average) (1)
Securitized Residential Mortgage Loans
	Yield			5.68% - 9.56% (6.29%)			5.67% - 9.47% (6.23%)
Discounted Cash Flow	Projected Collateral Prepayments	$	5,645,004	4.05% - 14.40% (5.88%)	$	5,358,281	3.02% - 10.47% (4.72%)
	Projected Collateral Losses			0.02% - 1.88% (0.16%)			0.02% - 1.88% (0.16%)
	Projected Collateral Severities			-14.97% - 26.00% (18.27%)			-13.44% - 26.00% (17.38%)
Residential Mortgage Loans
	Yield			6.32% - 13.75% (6.96%)			6.13% - 18.75% (6.64%)
Discounted Cash Flow	Projected Collateral Prepayments	$	203,556	2.84% - 37.25% (24.52%)	$	316,854	3.89% - 34.35% (24.88%)
	Projected Collateral Losses			0.00% - 21.78% (0.73%)			0.00% - 12.72% (0.15%)
	Projected Collateral Severities			-25.00% - 44.02% (9.72%)			-38.75% - 44.01% (9.62%)
Legacy WMC Commercial Loans
	Yield			8.62% - 10.70% (10.01%)			8.16% - 10.13% (9.47%)
Discounted Cash Flow	Credit Spread	$	66,474	377 bps - 550 bps (493 bps)	$	66,303	377 bps - 556 bps (496 bps)
	Recovery Percentage (2)			100.00% - 100.00% (100.00%)			100.00% - 100.00% (100.00%)
	Loan-to-Value			42.50% - 77.22% (63.63%)			42.50% - 77.22% (63.61%)
Non-Agency RMBS
	Yield			5.97% - 14.00% (9.18%)			6.23% - 14.00% (9.70%)
Discounted Cash Flow	Projected Collateral Prepayments	$	39,163	4.68% - 6.57% (5.49%)	$	37,533	4.55% - 5.26% (4.93%)
	Projected Collateral Losses			0.18% - 0.41% (0.29%)			0.17% - 0.28% (0.25%)
	Projected Collateral Severities			10.00% - 10.00% (10.00%)			10.00% - 10.00% (10.00%)
Legacy WMC CMBS
Consensus Pricing	Offered Quotes	$	3,268	31.13 - 31.13 (31.13)	$	5,796	55.20 - 55.20 (55.20)
Legacy WMC Other Securities
Consensus Pricing	Offered Quotes	$	1,220	7,199.26 - 7,199.26 (7,199.26)	$	1,156	6,821.32 - 6,821.32 (6,821.32)
Derivative Assets (3)
	Yield			6.32% - 9.39% (7.23%)			6.29% - 8.32% (6.81%)
Discounted Cash Flow	Projected Collateral Prepayments	$	472	10.45% - 31.62% (22.42%)	$	1,172	18.20% - 33.78% (27.00%)
	Projected Collateral Losses			0.01% - 2.70% (0.75%)			0.00% - 0.82% (0.14%)
	Projected Collateral Severities			10.00% - 10.00% (10.00%)			10.00% - 10.00% (10.00%)
	Pull Through Percentages			60.00% - 100.00% (85.04%)			60.00% - 100.00% (92.21%)
AG Arc
Comparable Multiple	Book Value Multiple	$	33,190	0.89x - 0.89x (0.89x)	$	33,574	0.89x - 0.89x (0.89x)
Securitized Debt
	Yield			5.11% - 15.00% (5.80%)			4.92% - 15.00% (5.72%)
Discounted Cash Flow	Projected Collateral Prepayments	$	(4,980,942)	4.05% - 14.40% (5.82%)	$	(4,711,623)	3.02% - 10.47% (4.66%)
	Projected Collateral Losses			0.02% - 0.50% (0.14%)			0.02% - 0.40% (0.15%)
	Projected Collateral Severities			10.00% - 26.00% (18.63%)			3.71% - 26.00% (17.76%)
Derivative Liabilities (3)
	Yield			6.41% - 7.17% (6.69%)			6.47% - 7.00% (6.51%)
Discounted Cash Flow	Projected Collateral Prepayments	$	(159)	19.59% - 31.75% (27.59%)	$	(7)	27.36% - 34.44% (34.30%)
	Projected Collateral Losses			0.01% - 0.31% (0.07%)			0.00% - 0.02% (0.00%)
	Projected Collateral Severities			10.00% - 10.00% (10.00%)			10.00% - 10.00% (10.00%)
	Pull Through Percentages			60.00% - 100.00% (76.84%)			60.00% - 100.00% (99.22%)

(1)Amounts are weighted based on fair value.

(2)Represents the proportion of the principal expected to be collected relative to the loan balances as of March 31, 2024 and December 31, 2023.

(3)Derivative assets and derivative liabilities are included in the "Other assets" and "Other liabilities" line items, respectively, on the consolidated balance sheets.

Schedule of Carrying Values and Estimated Fair Values of Debt Instruments

The following table presents the carrying value and estimated fair value of the Company's Legacy WMC Convertible Notes, Senior Unsecured Notes, and fixed-rate financing arrangements with contractual maturities of greater than one year as of March 31, 2024 and December 31, 2023 (in thousands). The fair value of the Company's Legacy WMC Convertibles Notes and Senior Unsecured Notes is based upon prices obtained from third-party pricing services or broker quotations and are classified as Level 2. The fair value of the Company's fixed-rate long-term financing arrangements is based on a discounted cash flow valuation approach using valuation analyses of the underlying collateral sourced from third-party pricing service providers and is classified as Level 3.

	March 31, 2024				December 31, 2023
	Carrying Value (1)		Estimated Fair Value		Carrying Value (1)		Estimated Fair Value
Legacy WMC Convertible Notes	$	78,530	$	79,115	$	85,266	$	84,525
Senior Unsecured Notes	32,810		35,093		—		—
Financing arrangements	59,676		59,941		62,972		63,175

(1)The Legacy WMC Convertible Notes, Senior Unsecured Notes, and fixed-rate long-term financing arrangements are recorded at amortized cost in the Company's consolidated balance sheets.

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Financing (Tables)

3 Months Ended

Mar. 31, 2024

Disclosure of Repurchase Agreements [Abstract]

Schedule of Financing Arrangements

The following table presents a summary of the Company's financing as of March 31, 2024 and December 31, 2023 ($ in thousands).

	March 31, 2024										December 31, 2023
	Financing					Weighted Average			Collateral Fair Value (1)(2)		Financing
	Current Face		Carrying Value		Stated Maturity	Funding Cost		Life (Years)			Carrying Value
Financing Arrangements by Asset Type
Securitized Residential Mortgage Loans (3)
Non-Agency Loans (4)	$	312,953	$	315,007	Apr 2024 - Jul 2025	7.34	%	0.31	$	597,357	$	301,205
Re- and Non-Performing Loans	43,628		43,628		Apr 2024	7.27	%	0.03	65,970		44,928
Residential Mortgage Loans (5)
Non-Agency Loans	77,191		77,191		Jun 2024 - Jan 2025	7.29	%	0.49	93,797		77,345
Agency-Eligible Loans	94,819		94,819		Dec 2024 - Mar 2025	7.18	%	0.91	102,955		200,617
Legacy WMC Commercial Loans (6)	47,222		47,222		Mar 2025	8.33	%	0.98	66,474		48,032
Non-Agency RMBS	36,415		36,415		Apr 2024 - May 2024	6.76	%	0.08	70,054		51,251
Legacy WMC CMBS	21,348		21,348		Apr 2024	7.28	%	0.01	51,121		31,620
Agency RMBS	98,371		98,371		Apr 2024	5.48	%	0.03	102,774		12,594
Total Financing Arrangements	$	731,947	$	734,001		7.09	%	0.38	$	1,150,502	$	767,592
Securitized debt, at fair value (7)
Non-Agency Loans (8) (9)	$	5,311,289	$	4,871,205	N/A	5.07	%	7.10	N/A		$	4,597,490
Re- and Non-Performing Loans (10)	121,654		109,737		N/A	3.28	%	3.86	N/A		114,133
Total Securitized Debt	$	5,432,943	$	4,980,942		5.03	%	7.03	N/A		$	4,711,623
Legacy WMC Convertible Notes	$	79,120	$	78,530	Sep 2024	8.42	%	0.47	N/A		$	85,266
Senior Unsecured Notes	$	34,500	$	32,810	Feb 2029	10.80	%	4.95	N/A		$	—
Total Financing	$	6,278,510	$	5,826,283		5.37	%	6.18	$	1,150,502	$	5,564,481

(1)The Company also had $2.1 million and $1.7 million of cash pledged under repurchase agreements as of March 31, 2024 and December 31, 2023, respectively.

(2)Under the terms of the Company’s financing agreements, the Company's financing counterparties may, in certain cases, sell or re-hypothecate the pledged collateral.

(3)Amounts pledged as collateral under Securitized residential mortgage loans include certain of the Company's retained interests in securitizations. Refer to Note 3 for more information on the Non-Agency VIEs and RPL/NPL VIEs.

(4)As of March 31, 2024, the weighted average stated rate on the financing arrangements on the Company's Securitized non-agency loans was 7.91%.

(5)The Company's Residential mortgage loan financing arrangements include a maximum uncommitted borrowing capacity of $1.8 billion on facilities used to finance Non-Agency and Agency-Eligible Loans.

(6)As of March 31, 2024, the weighted average stated rate on the financing arrangements on the Company's Legacy WMC Commercial Loans was 8.08%.

(7)The holders of the securitized debt have no recourse to the general credit of the Company. The Company has no obligation to provide any other explicit or implicit support to the Non-Agency VIEs and RPL/NPL VIEs.

(8)As of March 31, 2024, the amortized cost of Securitized debt in the Company's Non-Agency VIEs was $5.2 billion.

(9)The current face on the Company's Securitized debt in the Company's Non-Agency VIEs excludes Interest Only classes which have no principal balances and bear interest based on a notional value. The notional value is used solely to determine interest distributions on the interest only classes of securities. As of March 31, 2024, the notional value of interest only classes of Securitized debt was $131.3 million.

(10)As of March 31, 2024, the amortized cost of Securitized debt in the Company's RPL/NPL VIEs was $119.8 million.

Schedule of Total Borrowings Under Repurchase Agreements

	Within 30 Days		Over 30 Days to 3 Months		Over 3 Months to 12 Months		Over 12 Months		Total
Financing Arrangements by Asset Type
Securitized Residential Mortgage Loans
Non-Agency Loans	$	213,496	$	41,836	$	—	$	57,621	$	312,953
Re- and Non-Performing Loans	43,628		—		—		—		43,628
Residential Mortgage Loans
Non-Agency Loans	—		2,464		74,727		—		77,191
Agency-Eligible Loans	—		—		94,819		—		94,819
Legacy WMC Commercial Loans	—		—		47,222		—		47,222
Non-Agency RMBS	20,060		16,355		—		—		36,415
Legacy WMC CMBS	21,348		—		—		—		21,348
Agency RMBS	98,371		—		—		—		98,371
Total Financing Arrangements	$	396,903	$	60,655	$	216,768	$	57,621	$	731,947
Legacy WMC Convertible Notes	$	—	$	—	$	79,120	$	—	$	79,120
Senior Unsecured Notes	—		—		—		34,500		34,500

Schedule of Repurchase Agreement Counterparty

The following table presents information as of March 31, 2024 and December 31, 2023 with respect to each counterparty that provides the Company with financing for which the Company had greater than 5% of its stockholders’ equity at risk, excluding stockholders’ equity at risk under financing through affiliated entities ($ in thousands).

	March 31, 2024					December 31, 2023
Counterparty	Stockholders' Equity at Risk		Weighted Average Maturity (days)	Percentage of Stockholders' Equity		Stockholders' Equity at Risk		Weighted Average Maturity (days)	Percentage of Stockholders' Equity
BofA Securities, Inc.	$	130,896	118	24.3	%	$	131,128	236	24.8	%
Barclays Capital Inc.	81,783		83	15.2	%	81,047		85	15.3	%
Goldman Sachs Bank USA	80,089		9	14.8	%	73,893		9	14.0	%
JP Morgan Securities, LLC	43,078		62	8.0	%	46,642		134	8.8	%
Various (1)	72,040		486	13.4	%	69,637		577	13.2	%

(1)Certain retained interests in securitizations are held in WMC RR 2023-1 Trust, a wholly owned subsidiary of the Company. WMC RR 2023-1 Trust issued certificates which were sold to various third-party investors.

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Other assets and liabilities (Tables)

3 Months Ended

Mar. 31, 2024

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Other Assets and Other Liabilities

The following table details certain information related to the Company's "Other assets" and "Other liabilities" line items on its consolidated balance sheets as of March 31, 2024 and December 31, 2023 (in thousands).

	March 31, 2024		December 31, 2023
Other assets
Interest receivable	$	31,436	$	30,315
Real estate owned	5,428		5,644
Derivative assets, at fair value	739		1,321
Other assets	2,980		3,187
Due from broker	912		249
Total Other assets	$	41,495	$	40,716
Other liabilities
Due to affiliates (1)	$	3,724	$	3,252
Interest payable	22,398		23,715
Derivative liabilities, at fair value	314		70
Accrued expenses	3,011		4,874
Due to broker	72		196
Total Other liabilities	$	29,519	$	32,107

(1)Refer to Note 10 for more information.

Schedule of Company's Derivative and Other Instruments and their Balance Sheet Location

The following table presents information related to the Company's derivatives and other instruments and their balance sheet location as of March 31, 2024 and December 31, 2023 (in thousands). All notional amounts are denominated in USD.

		March 31, 2024				December 31, 2023
Derivatives and Other Instruments (1)	Balance Sheet  Location	Notional		Fair Value		Notional		Fair Value
Pay Fix/Receive Float Interest Rate Swap Agreements (2) (3)	Other assets	$	377,250	$	267	$	165,000	$	149
Pay Fix/Receive Float Interest Rate Swap Agreements (2) (3)	Other liabilities	77,000		—		338,000		—
Short TBAs	Other liabilities	32,000		(155)		9,000		(63)
Forward Purchase Commitments	Other assets	79,152		472		70,145		1,172
Forward Purchase Commitments	Other liabilities	28,032		(159)		2,566		(7)

(1)As of March 31, 2024 and December 31, 2023, no derivatives held by the Company were designated as hedges for accounting purposes.

(2)As of March 31, 2024, the Company applied a reduction in fair value of $10.1 million and $1.0 million to its interest rate swap assets and liabilities, respectively, related to variation margin with a corresponding increase or decrease in restricted cash. As of December 31, 2023, the Company applied a reduction in fair value of $9.3 million and $7.7 million to its interest rate swap assets and liabilities, respectively, related to variation margin with a corresponding increase or decrease in restricted cash.

(3)As of March 31, 2024, the Company's pay fix/receive float interest rate swaps had a weighted average pay-fixed rate of 3.74%, a weighted average receive-variable rate of 5.34%, and a weighted average years to maturity of 4.95 years. As of December 31, 2023, the Company's pay fix/receive float interest rate swaps had a weighted average pay-fixed rate of 3.65%, a weighted average receive-variable rate of 5.38%, and a weighted average years to maturity of 4.01 years.

Schedule of Gains/(Losses) Related to Derivatives and Other Instruments

The following table summarizes total income related to derivatives and other instruments for the three months ended March 31, 2024 and 2023 (in thousands).

	Three Months Ended
	March 31, 2024		March 31, 2023
Included within Net interest component of interest rate swaps
Interest Rate Swaps	$	1,900	$	1,020
Included within Net unrealized gain/(loss)
Interest Rate Swaps	10,313		(21,386)
Long TBAs	—		5
Short TBAs	(92)		(899)
Forward Purchase Commitments	(852)		2,311
	9,369		(19,969)
Included within Net realized gain/(loss)
Interest Rate Swaps	(3,141)		9,823
Short TBAs	10		179
Forward Purchase Commitments	1,132		—
	(1,999)		10,002
Total income/(loss)	$	9,270	$	(8,947)

Schedule of To Be Announced Securities Activity

The following tables present information about the Company’s derivatives for the three months ended March 31, 2024 and 2023 (in thousands).

	Beginning Notional Amount		Buys or Covers		Sales or Shorts(1)		Ending Notional Amount		Derivative Asset		Derivative Liability
Three Months Ended March 31, 2024
Short TBAs (2)	$	(9,000)	$	34,000	$	(57,000)	$	(32,000)	$	—	$	(155)
Interest Rate Swaps	503,000		219,750		(268,500)		454,250		267		—
Three Months Ended March 31, 2023
Long TBAs	$	—	$	10,000	$	(10,000)	$	—	$	8	$	(3)
Short TBAs (2)	(40,000)		100,000		(60,000)		—		2		(251)
Interest Rate Swaps	335,000		342,000		(209,000)		468,000		—		(280)

(1)The sales or shorts includes $60.0 million of swaps that matured during the three months ended March 31, 2024.

(2)As of March 31, 2024, the Company recorded a receivable from broker of $32.5 million and a fair value of $32.7 million related to its short TBAs. As of March 31, 2023, the Company recorded a payable to broker of $0.3 million related to its short TBAs.

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Earnings per share (Tables)

3 Months Ended

Mar. 31, 2024

Earnings Per Share [Abstract]

Schedule of Basic and Diluted Earnings Per Share

The following table presents a reconciliation of the earnings and shares used in calculating basic and diluted earnings per share for the three months ended March 31, 2024 and 2023 (in thousands, except per share data).

	Three Months Ended
	March 31, 2024		March 31, 2023
Numerator:
Net Income/(Loss)	$	20,890	$	12,540
Dividends on preferred stock	(4,586)		(4,586)
Net Income/(Loss) Available to Common Stockholders	$	16,304	$	7,954
Denominator:
Basic weighted average common shares outstanding	29,453		21,066
Diluted weighted average common shares outstanding	29,479		21,066
Earnings/(Loss) Per Share
Basic	$	0.55	$	0.38
Diluted	$	0.55	$	0.38

Schedule of Dividends Declared and Paid

The following tables detail the Company's common stock dividends declared during the three months ended March 31, 2024 and 2023.

Three Months Ended March 31, 2024					Three Months Ended March 31, 2023
Declaration Date	Record Date	Payment Date	Cash Dividend Per Share		Declaration Date	Record Date	Payment Date	Cash Dividend Per Share
3/15/2024	3/29/2024	4/30/2024	$	0.18	3/15/2023	3/31/2023	4/28/2023	$	0.18

The following tables detail the Company's preferred stock dividends declared and paid during the three months ended March 31, 2024 and 2023.

2024			Cash Dividend Per Share
Declaration Date	Record Date	Payment Date	8.25% Series A		8.00% Series B		8.000% Series C
2/16/2024	2/29/2024	3/18/2024	$	0.51563	$	0.50	$	0.50
2023			Cash Dividend Per Share
Declaration Date	Record Date	Payment Date	8.25% Series A		8.00% Series B		8.000% Series C
2/16/2023	2/28/2023	3/17/2023	$	0.51563	$	0.50	$	0.50

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Income taxes (Tables)

3 Months Ended

Mar. 31, 2024

Income Tax Disclosure [Abstract]

Schedule of Tax Expense Attributable to the TRS

The below table details the tax expense attributable to its TRSs for the three months ended March 31, 2024 and 2023 (in thousands).

	Three Months Ended
	March 31, 2024		March 31, 2023
Income tax expense	$	25	$	225

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Related party transactions (Tables)

3 Months Ended

Mar. 31, 2024

Related Party Transactions [Abstract]

Schedule of Related Party Transactions

The below table details the management fees incurred during the three months ended March 31, 2024 and 2023 (in thousands).

	Three Months Ended
Consolidated statements of operations line item:	March 31, 2024		March 31, 2023
Management fee to affiliate (1)	$	1,741	$	2,075

(1)For the three months ended March 31, 2024, the Manager agreed to waive its right to receive management fees of $0.6 million pursuant to the MITT Management Agreement Amendment executed in connection with the Merger.

The below table details the expense reimbursement incurred during the three months ended March 31, 2024 and 2023 (in thousands).

	Three Months Ended
Consolidated statements of operations line item:	March 31, 2024		March 31, 2023
Non-investment related expenses (1)	$	1,664	$	1,400
Investment related expenses	114		102
Transaction related expenses	68		63
Expense reimbursements to Manager or its affiliates	$	1,846	$	1,565

(1)For the three months ended March 31, 2024, the Manager agreed to waive its right to receive expense reimbursements of $0.3 million pursuant to the MITT Management Agreement Amendment executed in connection with the Merger.

The below details the fees paid by the Company to the Asset Manager during the three months ended March 31, 2024 and 2023 (in thousands).

	Three Months Ended
	March 31, 2024		March 31, 2023
Fees paid to Asset Manager	$	658	$	683

The below table details the unpaid principal balance of Non-Agency Loans and Agency-Eligible Loans sold to the Company and private funds under the management of TPG Angelo Gordon during the three months ended March 31, 2024 and 2023 (in thousands).

	Three Months Ended
	March 31, 2024		March 31, 2023
Residential mortgage loans sold by Arc Home to the Company	$	79,791	$	—
Residential mortgage loans sold by Arc Home to private funds under the management of TPG Angelo Gordon	156,401		90,584

Date	Transaction	Fair Value (1)		Pricing Methodology
June 2023	Purchase of Real Estate Securities	$	0.3	Competitive bidding process (2)
November 2023	Purchase of Real Estate Securities (4)	4.8		Third party pricing vendors (3)
November 2023	Purchase of MATH (4)	0.9		Third party pricing vendors (3)

(1)As of the transaction date.

(2)The Company submitted an offer to purchase the securities from an affiliate in a competitive bidding process, which allowed the Company to confirm third-party market pricing and best execution.

(3)Pricing was based on valuations prepared by third-party pricing vendors in accordance with the Company's policy.

Schedule of Investments in Debt and Equity of Affiliates

The below table summarizes the components of the "Investments in debt and equity of affiliates" line item on the Company's consolidated balance sheets as of March 31, 2024 and December 31, 2023 (in thousands).

	March 31, 2024						December 31, 2023
	Assets		Liabilities		Equity		Assets		Liabilities		Equity
Non-QM Securities (1)	$	16,523	$	—	$	16,523	$	15,257	$	—	$	15,257
Re/Non-Performing Securities	7,337		(3,583)		3,754		7,569		(3,605)		3,964
Total Residential Investments	23,860		(3,583)		20,277		22,826		(3,605)		19,221
AG Arc, at fair value	33,190		—		33,190		33,574		—		33,574
Cash and Other assets/(liabilities)	1,431		(56)		1,375		2,361		(53)		2,308
Investments in debt and equity of affiliates	$	58,481	$	(3,639)	$	54,842	$	58,761	$	(3,658)	$	55,103

(1)MATH, through its wholly owned subsidiary MATT, only holds risk-retention tranches from past securitizations which continue to pay down and the Company does not expect MATT to acquire additional investments.

The below table reconciles the net income/(loss) to the "Equity in earnings/(loss) from affiliates" line item on the Company's consolidated statements of operations for the three months ended March 31, 2024 and 2023 (in thousands).

	Three Months Ended
	March 31, 2024		March 31, 2023
Non-QM Securities	$	2,205	$	1,625
Land Related Financing	—		339
Re/Non-Performing Securities	105		192
AG Arc (1)	(273)		(2,140)
Equity in earnings/(loss) from affiliates	$	2,037	$	16

(1)Earnings/(loss) recognized by AG Arc do not include the Company's portion of gains or losses recorded by Arc Home in connection with the sale of residential mortgage loans to the Company. Refer to "Transactions with Arc Home" below for more information on this accounting policy.

The table below summarizes intra-entity profits eliminated during the three months ended March 31, 2024 and 2023 (in thousands).

	Three Months Ended
	March 31, 2024		March 31, 2023
Intra-Entity Profits Eliminated	$	201	$	—

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Equity (Tables)

3 Months Ended

Mar. 31, 2024

Equity [Abstract]

Schedule of Stock

The table below details the Company's share repurchases under the 2022 Repurchase Program during the three months March 31, 2023.

Three Months Ended (1)	Total Number of Shares Purchased	Weighted Average Price Paid per Share (2)		Total Number of Shares Purchased as Part of Publicly Announced Program	Maximum Approximate Dollar Value that May Yet Be Purchased Under the Program (2)
March 31, 2023	923,261	$	5.68	923,261	$	2,569,940

(1)Based on trade date.

(2)Includes brokerage commissions and clearing fees.

The following table includes a summary of preferred stock issued and outstanding as of March 31, 2024 ($ and shares in thousands).

Preferred Stock Series	Issuance Date	Shares Outstanding	Carrying Value		Aggregate Liquidation Preference (1)		Optional Redemption Date (2)	Rate (3)(4)
Series A Preferred Stock	August 3, 2012	1,663	$	40,110	$	41,580	August 3, 2017	8.25	%
Series B Preferred Stock	September 27, 2012	3,728	90,187		93,191		September 17, 2017	8.00	%
Series C Preferred Stock	September 17, 2019	3,729	90,175		93,220		September 17, 2024	8.000	%
Total		9,120	$	220,472	$	227,991

(1)The Company's Preferred Stock has a liquidation preference of $25.00 per share.

(2)Shares have no stated maturity and are not subject to any sinking fund or mandatory redemption. Shares of the Company’s Preferred Stock are redeemable at $25.00 per share plus accumulated and unpaid dividends (whether or not declared) exclusively at the Company’s option. Shares of the Company's Series C Preferred Stock may be redeemable earlier than the optional redemption date under certain circumstances intended to preserve its qualification as a REIT for federal income tax purposes.

(3)The initial dividend rate for the Series C Preferred Stock, from and including the date of original issue to, but not including, September 17, 2024, is 8.000% per annum of the $25.00 per share liquidation preference. On and after September 17, 2024, dividends on the Series C Preferred Stock will accumulate at a percentage of the $25.00 liquidation preference equal to an annual floating rate of the then three-month LIBOR (or as replaced by the existing LIBOR cessation fallback language) plus a spread of 6.476% per annum.

(4)Dividends are payable quarterly in arrears on the 17th day of each March, June, September, and December and holders are entitled to receive cumulative cash dividends at the respective stated rate per annum before holders of common stock are entitled to receive any cash dividends.

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Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2024

Commitments and Contingencies Disclosure [Abstract]

Schedule of Outstanding Commitments

The below table details the Company's outstanding commitments as of March 31, 2024 (in thousands).

Commitment type	Date of Commitment	Total Commitment		Funded Commitment		Remaining Commitment
Non-Agency and Agency-Eligible Loans (1)	Various	$	109,655	$	—	$	109,655

(1)The Company entered into forward purchase commitments to acquire certain Non-Agency and Agency-Eligible Loans from Arc Home which have not yet settled as of March 31, 2024. Refer to Note 10 "Transactions with affiliates" for more information.

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Organization - Narrative (Details) $ / shares in Units, $ in Thousands			3 Months Ended
	Dec. 06, 2023 USD ($) qtr $ / shares shares	Aug. 08, 2023 USD ($) qtr	Mar. 31, 2024 segment $ / shares	Dec. 31, 2023 USD ($) $ / shares	Sep. 30, 2023 USD ($)
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Number of reportable segments | segment			1
Common stock, par value (in dollars per share) | $ / shares			$ 0.01	$ 0.01
AG Mortgage Investment Trust, Inc. | Western Asset Mortgage Capital Corporation Stockholders
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Ownership percentage	31.00%
MITT Management Agreement Amendment | Related Party
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Amount to be waived	$ 1,300	$ 1,300
Maximum cash consideration threshold	7,000	7,000
Reduction in base management fee	$ 600	$ 600
Number of quarters management fee reduction is effective | qtr	4	4
Management fee waived	$ 2,400	$ 2,400
WMC
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Common stock, par value (in dollars per share) | $ / shares	$ 0.01
Common stock, number of shares issued per acquiree share (in shares) | shares	1.498
Per share cash payment ( usd per share) | $ / shares	$ 0.92
Number of shares issued (in shares) | shares	9,202,000
Transaction costs				$ 6,000	$ 6,000
Bargain purchase gain	$ 30,190
Arc Home
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Loan securitization, ownership interest			44.60%
Arc Home | Related Party
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Loan securitization, ownership interest			44.60%

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Organization - Schedule of Recognized Identified Assets Acquired and Liabilities Assumed (Details) - USD ($) $ / shares in Units, $ in Thousands	Dec. 06, 2023	Mar. 31, 2024	Dec. 31, 2023	Dec. 05, 2023
Consideration
Common stock, shares outstanding (in shares)		29,453,000	29,437,000
WMC
Consideration
Common stock, number of shares issued per acquiree share (in shares)	1.498
Number of shares issued (in shares)	9,202,000
Share price (in dollars per share)				$ 5.56
MITT Total Consideration	$ 51,163
Assets
Cash and cash equivalents	5,316
Restricted cash	873
Other assets	24,654
Total Assets	1,193,534
Liabilities
Securitized debt	837,317
Financing arrangements	171,170
Convertible senior unsecured notes	85,172
Other liabilities	18,522
Total Liabilities	1,112,181
Net Assets Acquired	81,353
Bargain purchase gain	30,190
WMC | Residential Mortgage
Assets
Financing arrangements	6,046
WMC | Residential Mortgage | Securitized Residential Mortgage Loans
Assets
Financing arrangements	971,781
WMC | Legacy WMC Commercial Loans
Assets
Financing arrangements	78,459
WMC | Non-Agency RMBS
Assets
Securities	48,200
WMC | Legacy WMC CMBS
Assets
Securities	56,301
WMC | Legacy WMC Other Securities
Assets
Securities	1,159
WMC | Agency RMBS
Assets
Securities	745
WMC | Residential and Securitized Residential Mortgage Loans
Liabilities
Unpaid Principal Balance	$ 1,100,000
WMC | WMC
Consideration
Common stock, shares outstanding (in shares)				6,143,000

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Organization - Schedule of Business Acquisition, Pro Forma Information (Details) - WMC $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($)
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Interest income	$ 77,235
Net Income/(Loss) Available to Common Stockholders	$ 15,104

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Loans - Schedule of Company's Residential Mortgage Loan Portfolio and Commercial Loan Portfolio (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Residential Mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair Value	$ 204,351	$ 317,631
Residential Mortgage | Securitized Residential Mortgage Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair Value	5,645,004	5,358,281
Residential Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	6,267,316	6,124,045
Premium (Discount)	(39,882)	(46,975)
Amortized Cost	6,227,434	6,077,070
Gross Unrealized Gains	37,081	38,280
Gross Unrealized Losses	(415,160)	(439,438)
Fair Value	$ 5,849,355	$ 5,675,912
Weighted Average Coupon	5.36%	5.28%
Weighted Average Yield	5.75%	5.68%
Weighted Average Life (Years)	9 years 3 months 18 days	9 years 10 months 9 days
Residential Portfolio Segment | Residential Mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 199,913	$ 306,987
Premium (Discount)	1,990	2,740
Amortized Cost	201,903	309,727
Gross Unrealized Gains	3,121	8,478
Gross Unrealized Losses	(673)	(574)
Fair Value	$ 204,351	$ 317,631
Weighted Average Coupon	7.94%	7.99%
Weighted Average Yield	8.27%	8.08%
Weighted Average Life (Years)	3 years 4 months 9 days	3 years 3 months 14 days
Residential Portfolio Segment | Residential Mortgage | Securitized Residential Mortgage Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 6,067,403	$ 5,817,058
Premium (Discount)	(41,872)	(49,715)
Amortized Cost	6,025,531	5,767,343
Gross Unrealized Gains	33,960	29,802
Gross Unrealized Losses	(414,487)	(438,864)
Fair Value	$ 5,645,004	$ 5,358,281
Weighted Average Coupon	5.28%	5.14%
Weighted Average Yield	5.66%	5.54%
Weighted Average Life (Years)	9 years 5 months 26 days	10 years 2 months 15 days
Residential Portfolio Segment | Non-Agency Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 97,544	$ 92,033
Premium (Discount)	1,112	835
Amortized Cost	98,656	92,868
Gross Unrealized Gains	1,131	2,222
Gross Unrealized Losses	(643)	(574)
Fair Value	$ 99,144	$ 94,516
Weighted Average Coupon	8.16%	8.10%
Weighted Average Yield	7.15%	7.29%
Weighted Average Life (Years)	3 years 1 month 2 days	3 years 1 month 20 days
Residential Portfolio Segment | Non-Agency Loans | Securitized Residential Mortgage Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 5,854,878	$ 5,599,960
Premium (Discount)	(25,250)	(32,250)
Amortized Cost	5,829,628	5,567,710
Gross Unrealized Gains	33,960	29,603
Gross Unrealized Losses	(396,033)	(422,144)
Fair Value	$ 5,467,555	$ 5,175,169
Weighted Average Coupon	5.33%	5.19%
Weighted Average Yield	5.64%	5.51%
Weighted Average Life (Years)	9 years 7 months 17 days	10 years 4 months 13 days
Residential Portfolio Segment | Agency-Eligible Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 99,930	$ 212,350
Premium (Discount)	2,397	3,535
Amortized Cost	102,327	215,885
Gross Unrealized Gains	658	4,824
Gross Unrealized Losses	(30)	0
Fair Value	$ 102,955	$ 220,709
Weighted Average Coupon	7.72%	7.94%
Weighted Average Yield	6.98%	7.28%
Weighted Average Life (Years)	3 years 8 months 1 day	3 years 4 months 13 days
Residential Portfolio Segment | Re- and Non-Performing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 2,439	$ 2,604
Premium (Discount)	(1,519)	(1,630)
Amortized Cost	920	974
Gross Unrealized Gains	1,332	1,432
Gross Unrealized Losses	0	0
Fair Value	$ 2,252	$ 2,406
Weighted Average Yield	116.45%	112.97%
Weighted Average Life (Years)	1 year 7 months 13 days	1 year 8 months 8 days
Residential Portfolio Segment | Re- and Non-Performing Loans | Securitized Residential Mortgage Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 212,525	$ 217,098
Premium (Discount)	(16,622)	(17,465)
Amortized Cost	195,903	199,633
Gross Unrealized Gains	0	199
Gross Unrealized Losses	(18,454)	(16,720)
Fair Value	$ 177,449	$ 183,112
Weighted Average Coupon	3.97%	3.88%
Weighted Average Yield	6.27%	6.30%
Weighted Average Life (Years)	5 years 9 months 10 days	6 years 1 month 6 days

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Loans - Schedule of Credit Quality Information on Residential Mortgage Loans (Details) - Residential Portfolio Segment $ in Thousands	Mar. 31, 2024 USD ($) loan	Dec. 31, 2023 USD ($) loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 6,267,316	$ 6,124,045
Loan Count | loan	16,138	15,661
Weighted Average, Original LTV Ratio	67.67%	67.42%
Weighted Average, Current FICO	745	745
Mortgage loans 90+ days delinquent	$ 52,200	$ 41,700
Mortgage loans in process of foreclosure	52,600	51,800
Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	6,015,633	5,896,344
30-59 Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	86,870	87,248
60-89 Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	49,173	36,268
90+ Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	113,201	101,581
Residential Mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 199,913	$ 306,987
Loan Count | loan	440	706
Weighted Average, Original LTV Ratio	73.60%	72.83%
Weighted Average, Current FICO	749	764
Residential Mortgage | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 191,040	$ 295,081
Residential Mortgage | 30-59 Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	731	1,861
Residential Mortgage | 60-89 Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	0	615
Residential Mortgage | 90+ Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	5,703	6,826
Residential Mortgage | Securitized Residential Mortgage Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 6,067,403	$ 5,817,058
Loan Count | loan	15,698	14,955
Weighted Average, Original LTV Ratio	67.48%	67.14%
Weighted Average, Current FICO	745	744
Residential Mortgage | Securitized Residential Mortgage Loans | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 5,824,593	$ 5,601,263
Residential Mortgage | Securitized Residential Mortgage Loans | 30-59 Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	86,139	85,387
Residential Mortgage | Securitized Residential Mortgage Loans | 60-89 Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	49,173	35,653
Residential Mortgage | Securitized Residential Mortgage Loans | 90+ Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	107,498	94,755
Non-Agency Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 97,544	$ 92,033
Loan Count | loan	182	170
Weighted Average, Original LTV Ratio	74.36%	74.79%
Weighted Average, Current FICO	726	730
Non-Agency Loans | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 91,110	$ 83,582
Non-Agency Loans | 30-59 Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	731	1,010
Non-Agency Loans | 60-89 Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	0	615
Non-Agency Loans | 90+ Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	5,703	6,826
Non-Agency Loans | Securitized Residential Mortgage Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 5,854,878	$ 5,599,960
Loan Count | loan	14,239	13,460
Weighted Average, Original LTV Ratio	67.03%	66.65%
Weighted Average, Current FICO	748	748
Non-Agency Loans | Securitized Residential Mortgage Loans | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 5,674,716	$ 5,446,631
Non-Agency Loans | Securitized Residential Mortgage Loans | 30-59 Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	68,456	68,242
Non-Agency Loans | Securitized Residential Mortgage Loans | 60-89 Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	41,483	30,873
Non-Agency Loans | Securitized Residential Mortgage Loans | 90+ Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	70,223	54,214
Agency-Eligible Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 99,930	$ 212,350
Loan Count | loan	258	536
Weighted Average, Original LTV Ratio	72.86%	71.99%
Weighted Average, Current FICO	771	777
Agency-Eligible Loans | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 99,930	$ 211,499
Agency-Eligible Loans | 30-59 Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	0	851
Agency-Eligible Loans | 60-89 Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	0	0
Agency-Eligible Loans | 90+ Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	0	0
Re- and Non-Performing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	2,439	2,604
Re- and Non-Performing Loans | Securitized Residential Mortgage Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 212,525	$ 217,098
Loan Count | loan	1,459	1,495
Weighted Average, Original LTV Ratio	79.78%	79.80%
Weighted Average, Current FICO	659	657
Re- and Non-Performing Loans | Securitized Residential Mortgage Loans | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 149,877	$ 154,632
Re- and Non-Performing Loans | Securitized Residential Mortgage Loans | 30-59 Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	17,683	17,145
Re- and Non-Performing Loans | Securitized Residential Mortgage Loans | 60-89 Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	7,690	4,780
Re- and Non-Performing Loans | Securitized Residential Mortgage Loans | 90+ Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 37,275	$ 40,541

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Loans - Narrative (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($) loan	Mar. 31, 2023 loan	Dec. 31, 2023 USD ($)
Gain (Loss) on Securities [Line Items]
Required percentage of fair value of certificates issued in the securitization	5.00%
Real estate owned	$ 5,428		$ 5,644
Securitized Residential Mortgage Loans | Revolving Mortgage Investment Trust 2015-1QR2
Gain (Loss) on Securities [Line Items]
Real estate owned	$ 3,400		$ 3,400
Residential Portfolio Segment
Gain (Loss) on Securities [Line Items]
Percentage of unpaid principal balance with adjustable rate mortgages	11.40%		12.00%
Number of Loans | loan	0
Fair Value	$ 5,849,355		$ 5,675,912
Residential Portfolio Segment | Non-Agency Loans
Gain (Loss) on Securities [Line Items]
Number of Loans | loan		116
Fair Value	99,144		94,516
Residential Portfolio Segment | Securitized Residential Mortgage Loans | Non-Agency Loans
Gain (Loss) on Securities [Line Items]
Fair Value	5,467,555		5,175,169
Residential Portfolio Segment | Securitized Residential Mortgage Loans | Non-Agency Loans | Revolving Mortgage Investment Trust 2015-1QR2
Gain (Loss) on Securities [Line Items]
Fair Value	$ 5,300		$ 6,600

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Loans - Schedule of Loans Purchased (Details) - Residential Portfolio Segment - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 282,132	$ 22,550
Fair Value	285,298	22,954
Non-Agency Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	14,046	22,550
Fair Value	14,214	22,954
Agency-Eligible Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	268,086	0
Fair Value	$ 271,084	$ 0

XML

Loans - Schedule of Sold Residential Mortgage Loans (Details) - Residential Portfolio Segment $ in Thousands	3 Months Ended
	Mar. 31, 2024 loan	Mar. 31, 2023 USD ($) loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | loan	0
Non-Agency Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | loan		116
Proceeds		$ 46,909
Realized Gains		0
Realized Losses		$ (9,745)
Agency-Eligible Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | loan		47
Proceeds		$ 18,474
Realized Gains		69
Realized Losses		$ (85)

XML

Loans - Schedule of Concentrations of Credit Risk (Details) - Residential Portfolio Segment - Geographic Concentration Risk - Accounts Receivable	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
California
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk, percentage	37.00%	38.00%
New York
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk, percentage	13.00%	13.00%
Florida
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk, percentage	10.00%	10.00%
Texas
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk, percentage	6.00%	6.00%
New Jersey
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk, percentage	5.00%	5.00%

XML

Loans - Schedule of Assets and Liabilities Related to VIEs (Details) - USD ($) $ in Thousands		3 Months Ended	12 Months Ended
		Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023	Dec. 31, 2022
Assets
Restricted cash		$ 16,347	$ 14,039
Other assets		41,495	40,716
Total Assets		6,400,668	6,126,428
Liabilities
Securitized debt, at fair value	[1]	4,980,942	4,711,623
Other liabilities	[2]	29,519	32,107
Total Liabilities		5,861,103	5,598,060
Total Equity		539,565	528,368	$ 461,913	$ 462,800
Carrying Value		5,826,283	5,564,481
Asset Pledged as Collateral
Assets
Securitized residential mortgage loans, at fair value		1,150,502
Securitized Residential Mortgage Loans
Liabilities
Carrying Value
Securitized Residential Mortgage Loans | Non-Agency Loans | Residential Portfolio Segment
Assets
Securitized residential mortgage loans, at fair value		5,467,555	5,175,169
Other assets		26,870	25,105
Total Assets		$ 5,494,425	$ 5,200,274
Weighted Average Yield		5.64%	5.51%
Weighted Average Life (Years)		9 years 7 months 17 days	10 years 4 months 13 days
Liabilities
Securitized debt, at fair value		$ 4,871,205	$ 4,597,490
Other liabilities		18,740	17,269
Total Liabilities		$ 4,889,945	$ 4,614,759
Weighted Average Yield		5.07%	4.94%
Weighted Average Life (Years)		7 years 1 month 6 days	7 years 6 months 7 days
Total Equity		$ 604,480	$ 585,515
Carrying Value		315,000	301,200
Securitized Residential Mortgage Loans | Non-Agency Loans | Residential Portfolio Segment | Asset Pledged as Collateral
Assets
Securitized residential mortgage loans, at fair value		597,400	578,800
Securitized Residential Mortgage Loans | Re- and Non-Performing Loans | Residential Portfolio Segment
Assets
Securitized residential mortgage loans, at fair value		177,449	183,112
Restricted cash		17	10
Other assets		1,736	2,056
Total Assets		$ 179,202	$ 185,178
Weighted Average Yield		6.27%	6.30%
Weighted Average Life (Years)		5 years 9 months 10 days	6 years 1 month 6 days
Liabilities
Securitized debt, at fair value		$ 109,737	$ 114,133
Other liabilities		322	328
Total Liabilities		$ 110,059	$ 114,461
Weighted Average Yield		3.28%	3.25%
Weighted Average Life (Years)		3 years 10 months 9 days	3 years 9 months 7 days
Total Equity		$ 69,143	$ 70,717
Carrying Value		43,600	44,900
Securitized Residential Mortgage Loans | Residential Mortgage
Assets
Securitized residential mortgage loans, at fair value	[1]	5,645,004	5,358,281
Securitized Residential Mortgage Loans | Residential Mortgage | Residential Portfolio Segment | Asset Pledged as Collateral
Assets
Securitized residential mortgage loans, at fair value		$ 66,000	$ 67,100

[1] These balances relate to certain residential mortgage loans which were securitized resulting in the Company consolidating the variable interest entities that were created to facilitate these securitizations as the Company was determined to be the primary beneficiary. See Note 3 for additional details.

[2] Refer to Note 7 and Note 10 for additional details on amounts payable to affiliates.

XML

Loans - Schedule of Commercial Loans Portfolio (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Legacy WMC Commercial Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair Value	$ 66,474	$ 66,303
Loan A | Secured Overnight Financing Rate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Floating coupon rate	4.20%	4.20%
Loan B | Secured Overnight Financing Rate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Floating coupon rate	4.20%	4.20%
Loan C | Secured Overnight Financing Rate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Floating coupon rate	4.20%	4.20%
Loan D | Secured Overnight Financing Rate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Floating coupon rate	3.38%	3.38%
Commercial Portfolio Segment | Legacy WMC Commercial Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 67,204	$ 67,204
Premium / (Discount)	(937)	(996)
Amortized Cost	66,267	66,208
Gross Unrealized Gains	207	95
Fair Value	$ 66,474	$ 66,303
Weighted Average Coupon	9.25%	9.27%
Weighted Average Yield	10.06%	9.50%
Weighted Average Life (Years)	1 year 3 months 7 days	1 year 6 months 7 days
LTV	63.63%	63.61%
Commercial Portfolio Segment | Loan A
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 7,259	$ 7,259
Premium / (Discount)	(124)	(137)
Amortized Cost	7,135	7,122
Gross Unrealized Gains	25	12
Fair Value	$ 7,160	$ 7,134
Weighted Average Coupon	9.52%	9.55%
Weighted Average Yield	10.76%	10.16%
Weighted Average Life (Years)	1 year 2 months 4 days	1 year 5 months 8 days
LTV	61.63%	61.63%
Commercial Portfolio Segment | Loan B
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 13,206	$ 13,206
Premium / (Discount)	(226)	(249)
Amortized Cost	12,980	12,957
Gross Unrealized Gains	47	22
Fair Value	$ 13,027	$ 12,979
Weighted Average Coupon	9.52%	9.55%
Weighted Average Yield	10.76%	10.16%
Weighted Average Life (Years)	1 year 2 months 4 days	1 year 5 months 8 days
LTV	75.33%	75.33%
Commercial Portfolio Segment | Loan C
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 24,535	$ 24,535
Premium / (Discount)	(420)	(463)
Amortized Cost	24,115	24,072
Gross Unrealized Gains	86	40
Fair Value	$ 24,201	$ 24,112
Weighted Average Coupon	9.52%	9.55%
Weighted Average Yield	10.76%	10.16%
Weighted Average Life (Years)	1 year 2 months 4 days	1 year 5 months 8 days
LTV	77.22%	77.22%
Commercial Portfolio Segment | Loan D
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 22,204	$ 22,204
Premium / (Discount)	(167)	(147)
Amortized Cost	22,037	22,057
Gross Unrealized Gains	49	21
Fair Value	$ 22,086	$ 22,078
Weighted Average Coupon	8.70%	8.72%
Weighted Average Yield	8.67%	8.17%
Weighted Average Life (Years)	1 year 5 months 8 days	1 year 8 months 8 days
LTV	42.50%	42.50%

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Real Estate Securities - Schedule of Real Estate Securities Portfolio (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items]
Current Face	$ 309,831	$ 229,642
Premium / (Discount)	(57,939)	(82,605)
Amortized Cost	277,747	168,582
Gross Unrealized Gains	6,812	5,251
Gross Unrealized Losses	(12,691)	(11,012)
Fair Value	$ 271,868	$ 162,821
Weighted Average Coupon	4.74%	3.54%
Weighted Average Yield	10.06%	14.01%
VIE, Not Primary Beneficiary
Debt Securities, Available-for-sale [Line Items]
Current Face	$ 43,794	$ 43,794
Fair Value	$ 39,163	$ 37,533
Weighted Average Coupon	5.68%	5.67%
Residential Portfolio Segment
Debt Securities, Available-for-sale [Line Items]
Current Face	$ 84,724	$ 126,184
Premium / (Discount)	(12,035)	(35,680)
Amortized Cost	75,320	94,161
Gross Unrealized Gains	5,669	4,590
Gross Unrealized Losses	(7,513)	(9,129)
Fair Value	$ 73,476	$ 89,622
Weighted Average Coupon	3.02%	2.17%
Weighted Average Yield	9.27%	9.66%
Residential Portfolio Segment | VIE, Not Primary Beneficiary
Debt Securities, Available-for-sale [Line Items]
Current Face	$ 43,794	$ 43,794
Premium / (Discount)	(2,179)	(2,281)
Amortized Cost	44,070	44,054
Gross Unrealized Gains	2,499	2,450
Gross Unrealized Losses	(7,406)	(8,971)
Fair Value	$ 39,163	$ 37,533
Weighted Average Coupon	2.53%	2.20%
Weighted Average Yield	9.94%	10.21%
Non-Agency Securities | VIE, Not Primary Beneficiary
Debt Securities, Available-for-sale [Line Items]
Current Face	$ 43,794	$ 43,794
Fair Value	34,209	32,542
Non-Agency Securities | Residential Portfolio Segment
Debt Securities, Available-for-sale [Line Items]
Current Face	40,930	82,390
Premium / (Discount)	(9,856)	(33,399)
Amortized Cost	31,074	48,991
Gross Unrealized Gains	3,166	2,139
Gross Unrealized Losses	(107)	(124)
Fair Value	$ 34,133	$ 51,006
Weighted Average Coupon	6.21%	4.99%
Weighted Average Yield	8.41%	9.11%
Non-Agency Securities | Residential Portfolio Segment | VIE, Not Primary Beneficiary
Debt Securities, Available-for-sale [Line Items]
Current Face	$ 43,794	$ 43,794
Premium / (Discount)	(2,179)	(2,281)
Amortized Cost	41,615	41,513
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(7,406)	(8,971)
Fair Value	$ 34,209	$ 32,542
Weighted Average Coupon	4.67%	4.67%
Weighted Average Yield	6.01%	5.99%
Non-Agency RMBS Interest Only | VIE, Not Primary Beneficiary
Debt Securities, Available-for-sale [Line Items]
Fair Value	$ 4,954	$ 4,991
Non-Agency RMBS Interest Only | Residential Portfolio Segment
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	176	1,116
Gross Unrealized Gains	4	1
Gross Unrealized Losses	0	(34)
Fair Value	$ 180	$ 1,083
Weighted Average Coupon	0.21%	0.35%
Weighted Average Yield	26.83%	16.04%
Real estate securities notional amount	$ 30,600	$ 128,800
Non-Agency RMBS Interest Only | Residential Portfolio Segment | VIE, Not Primary Beneficiary
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	2,455	2,541
Gross Unrealized Gains	2,499	2,450
Gross Unrealized Losses	0	0
Fair Value	$ 4,954	$ 4,991
Weighted Average Coupon	0.54%	0.00%
Weighted Average Yield	37.04%	37.74%
Real estate securities notional amount	$ 93,900	$ 98,300
Legacy WMC CMBS
Debt Securities, Available-for-sale [Line Items]
Current Face	103,399	103,458
Premium / (Discount)	(46,027)	(46,925)
Amortized Cost	57,372	56,533
Gross Unrealized Gains	944	546
Gross Unrealized Losses	(3,927)	(730)
Fair Value	$ 54,389	$ 56,349
Weighted Average Coupon	7.38%	7.39%
Weighted Average Yield	20.97%	21.90%
Legacy WMC Other Securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 1,120	$ 1,174
Gross Unrealized Gains	100	0
Gross Unrealized Losses	0	(18)
Fair Value	$ 1,220	$ 1,156
Weighted Average Yield	19.45%	18.16%
30 Year Fixed Rate
Debt Securities, Available-for-sale [Line Items]
Current Face	$ 121,708
Premium / (Discount)	123
Amortized Cost	121,831
Gross Unrealized Gains	0
Gross Unrealized Losses	(111)
Fair Value	$ 121,720
Weighted Average Coupon	5.50%
Weighted Average Yield	5.48%
Interest Only
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 22,104	$ 16,714
Gross Unrealized Gains	99	115
Gross Unrealized Losses	(1,140)	(1,135)
Fair Value	$ 21,063	$ 15,694
Weighted Average Coupon	4.01%	3.74%
Weighted Average Yield	10.59%	10.20%
Real estate securities notional amount	$ 114,800	$ 92,200
Agency RMBS
Debt Securities, Available-for-sale [Line Items]
Current Face	121,708
Premium / (Discount)	123
Amortized Cost	143,935
Gross Unrealized Gains	99
Gross Unrealized Losses	(1,251)
Fair Value	$ 142,783
Weighted Average Coupon	4.77%
Weighted Average Yield	6.24%

XML

Real Estate Securities - Schedule of Weighted Average Life of Real Estate Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Non-Agency RMBS
Fair Value
Less than or equal to one year	$ 0	$ 0
Greater than one year and less than or equal to five years	3,546	4,631
Greater than five years and less than or equal to ten years	38,425	38,792
Greater than ten years	31,505	46,199
Total as of December	73,476	89,622
Amortized Cost
Less than or equal to one year	0	0
Greater than one year and less than or equal to five years	3,502	4,669
Greater than five years and less than or equal to ten years	39,112	40,539
Greater than ten years	32,706	48,953
Total as of December	75,320	94,161
Legacy WMC CMBS
Fair Value
Less than or equal to one year	18,348	15,015
Greater than one year and less than or equal to five years	36,041	41,334
Greater than five years and less than or equal to ten years	0	0
Greater than ten years	0	0
Total as of December	54,389	56,349
Amortized Cost
Less than or equal to one year	20,595	15,010
Greater than one year and less than or equal to five years	36,777	41,523
Greater than five years and less than or equal to ten years	0	0
Greater than ten years	0	0
Total as of December	57,372	56,533
Legacy WMC Other Securities
Fair Value
Less than or equal to one year	0	0
Greater than one year and less than or equal to five years	0	0
Greater than five years and less than or equal to ten years	1,220	1,156
Greater than ten years	0	0
Total as of December	1,220	1,156
Amortized Cost
Less than or equal to one year	0	0
Greater than one year and less than or equal to five years	0	0
Greater than five years and less than or equal to ten years	1,120	1,174
Greater than ten years	0	0
Total as of December	1,120	1,174
Agency RMBS
Fair Value
Less than or equal to one year	0	0
Greater than one year and less than or equal to five years	609	697
Greater than five years and less than or equal to ten years	142,174	14,997
Greater than ten years	0	0
Total as of December	142,783	15,694
Amortized Cost
Less than or equal to one year	0	0
Greater than one year and less than or equal to five years	632	678
Greater than five years and less than or equal to ten years	143,303	16,036
Greater than ten years	0	0
Total as of December	$ 143,935	$ 16,714

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Real Estate Securities - Sale of Real Estate Securities (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($) security	Mar. 31, 2023 USD ($)
Debt Securities, Available-for-sale [Line Items]
Proceeds	$ 19,318	$ 0
Settled Securities
Debt Securities, Available-for-sale [Line Items]
Number of Securities | security	7
Proceeds	$ 19,318
Realized Gains	1,160
Realized Losses	$ (409)

XML

Real Estate Securities - Unconsolidated Variable Interest Entities (Details) - VIE, Not Primary Beneficiary	Mar. 31, 2024
TPG Angelo Gordon
Variable Interest Entity [Line Items]
Ownership interest in subordinate tranches	40.90%
Mortgage Acquisition Trust I LLC, Four Securitizations
Variable Interest Entity [Line Items]
Ownership interest in subordinate tranches	44.60%
Mortgage Acquisition Trust I LLC, Non-Risk Retention Bonds
Variable Interest Entity [Line Items]
Ownership interest in subordinate tranches	57.70%
MATH
Variable Interest Entity [Line Items]
Ownership interest in subordinate tranches	47.00%

XML

Real Estate Securities - Schedule of Unconsolidated variable interest entities (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Variable Interest Entity [Line Items]
Current Face	$ 309,831	$ 229,642
Fair Value	271,868	162,821
Residential Portfolio Segment
Variable Interest Entity [Line Items]
Current Face	84,724	126,184
Fair Value	73,476	89,622
Non-Agency Securities | Residential Portfolio Segment
Variable Interest Entity [Line Items]
Current Face	40,930	82,390
Fair Value	34,133	51,006
Non-Agency RMBS Interest Only | Residential Portfolio Segment
Variable Interest Entity [Line Items]
Fair Value	180	1,083
Real estate securities notional amount	30,600	128,800
VIE, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Current Face	43,794	43,794
Fair Value	39,163	37,533
First loss exposure, fair value	4,100	4,100
VIE, Not Primary Beneficiary | Residential Portfolio Segment
Variable Interest Entity [Line Items]
Current Face	43,794	43,794
Fair Value	39,163	37,533
VIE, Not Primary Beneficiary | Non-Agency Securities
Variable Interest Entity [Line Items]
Current Face	43,794	43,794
Fair Value	34,209	32,542
VIE, Not Primary Beneficiary | Non-Agency Securities | Residential Portfolio Segment
Variable Interest Entity [Line Items]
Current Face	43,794	43,794
Fair Value	34,209	32,542
VIE, Not Primary Beneficiary | Non-Agency RMBS Interest Only
Variable Interest Entity [Line Items]
Fair Value	4,954	4,991
VIE, Not Primary Beneficiary | Non-Agency RMBS Interest Only | Residential Portfolio Segment
Variable Interest Entity [Line Items]
Fair Value	4,954	4,991
Real estate securities notional amount	$ 93,900	$ 98,300

XML

Real Estate Securities - Schedule of unconsolidated VIEs (Details) $ in Thousands	Mar. 31, 2024 USD ($) trust	Dec. 31, 2023 USD ($)
Variable Interest Entity [Line Items]
Weighted average coupon on loans outstanding	4.74%	3.54%
VIE, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Unpaid Principal Balance | $	$ 436,585	$ 450,366
Weighted average coupon on loans outstanding	5.68%	5.67%
Percent of unpaid principal balance greater than 90 days delinquent	1.57%	1.94%
Loans 90 days or more delinquent, not in foreclosure	0.88%	0.70%
Loans 90 days or more delinquent, in process of foreclosure	0.69%	1.24%
VIE, Not Primary Beneficiary | TPG Angelo Gordon, One Securitization
Variable Interest Entity [Line Items]
Ownership interest in subordinate tranches	40.90%
Number of securitization trusts	1
VIE, Not Primary Beneficiary | Mortgage Acquisition Trust I LLC, Four Securitizations
Variable Interest Entity [Line Items]
Ownership interest in subordinate tranches	44.60%
Number of securitization trusts	4

XML

Fair value measurements - Schedule of Financial Instruments Measured at Fair Value (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023
Assets:
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets
Derivative Asset	$ 10,823	$ 10,605
Cash equivalents	96,628	95,749
AG Arc	33,190	33,574
Total Assets Measured at Fair Value	6,328,338	6,044,964
Liabilities:
Securitized debt	(4,980,942)	(4,711,623)
Derivative liabilities	(1,306)	(7,790)
Total Liabilities Measured at Fair Value	(4,982,248)	(4,719,413)
Interest Rate Swaps
Assets:
Derivative Asset	267		$ 0
Liabilities:
Derivative asset, reduction in fair value related to variation margin	10,100	9,300
Derivative liabilities, reduction related to variation margin	1,000	7,700
Residential Mortgage
Assets:
Fair Value	204,351	317,631
Residential Mortgage | Securitized Residential Mortgage Loans
Assets:
Fair Value	5,645,004	5,358,281
Legacy WMC Commercial Loans
Assets:
Fair Value	66,474	66,303
Non-Agency RMBS
Assets:
Debt securities, available for sale	73,476	89,622
Legacy WMC CMBS
Assets:
Debt securities, available for sale	54,389	56,349
Legacy WMC Other Securities
Assets:
Debt securities, available for sale	1,220	1,156
Agency RMBS
Assets:
Debt securities, available for sale	142,783	15,694
Level 1
Assets:
Derivative Asset	0	0
Cash equivalents	96,628	95,749
AG Arc	0	0
Total Assets Measured at Fair Value	96,628	95,749
Liabilities:
Securitized debt	0	0
Derivative liabilities	0	0
Total Liabilities Measured at Fair Value	0	0
Level 1 | Residential Mortgage
Assets:
Fair Value	0	0
Level 1 | Residential Mortgage | Securitized Residential Mortgage Loans
Assets:
Fair Value	0	0
Level 1 | Legacy WMC Commercial Loans
Assets:
Fair Value	0	0
Level 1 | Non-Agency RMBS
Assets:
Debt securities, available for sale	0	0
Level 1 | Legacy WMC CMBS
Assets:
Debt securities, available for sale	0	0
Level 1 | Legacy WMC Other Securities
Assets:
Debt securities, available for sale	0	0
Level 1 | Agency RMBS
Assets:
Debt securities, available for sale	0	0
Level 2
Assets:
Derivative Asset	10,351	9,433
Cash equivalents	0	0
AG Arc	0	0
Total Assets Measured at Fair Value	239,363	128,546
Liabilities:
Securitized debt	0	0
Derivative liabilities	(1,147)	(7,783)
Total Liabilities Measured at Fair Value	(1,147)	(7,783)
Level 2 | Residential Mortgage
Assets:
Fair Value	795	777
Level 2 | Residential Mortgage | Securitized Residential Mortgage Loans
Assets:
Fair Value	0	0
Level 2 | Legacy WMC Commercial Loans
Assets:
Fair Value	0	0
Level 2 | Non-Agency RMBS
Assets:
Debt securities, available for sale	34,313	52,089
Level 2 | Legacy WMC CMBS
Assets:
Debt securities, available for sale	51,121	50,553
Level 2 | Legacy WMC Other Securities
Assets:
Debt securities, available for sale	0	0
Level 2 | Agency RMBS
Assets:
Debt securities, available for sale	142,783	15,694
Level 3
Assets:
Derivative Asset	472	1,172
Cash equivalents	0	0
AG Arc	33,190	33,574
Total Assets Measured at Fair Value	5,992,347	5,820,669
Liabilities:
Securitized debt	(4,980,942)	(4,711,623)
Derivative liabilities	(159)	(7)
Total Liabilities Measured at Fair Value	(4,981,101)	(4,711,630)
Level 3 | Residential Mortgage
Assets:
Fair Value	203,556	316,854
Level 3 | Residential Mortgage | Securitized Residential Mortgage Loans
Assets:
Fair Value	5,645,004	5,358,281
Level 3 | Legacy WMC Commercial Loans
Assets:
Fair Value	66,474	66,303
Level 3 | Non-Agency RMBS
Assets:
Debt securities, available for sale	39,163	37,533
Level 3 | Legacy WMC CMBS
Assets:
Debt securities, available for sale	3,268	5,796
Level 3 | Legacy WMC Other Securities
Assets:
Debt securities, available for sale	1,220	1,156
Level 3 | Agency RMBS
Assets:
Debt securities, available for sale	$ 0	$ 0

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Fair value measurements - Schedule of Assets and Liabilities Measured on a Recurring Basis (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Securitized Debt
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ (4,711,623)	$ (3,262,352)
Purchases	0	0
Issuances of Securitized Debt	(363,899)	(234,754)
Capital distributions	0
Proceeds from sales or settlements	0	0
Principal repayments	124,587	66,957
Total net gains/(losses)
Other	0	0
Ending Balance	(4,980,942)	(3,505,529)
Securitized Debt | Net premium and discount amortization
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	(7,578)	(2,738)
Securitized Debt | Net realized gain/(loss)
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	0	0
Securitized Debt | Net unrealized gain/(loss)
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	(22,429)	(72,642)
Securitized Debt | Equity in earnings/(loss) from affiliates
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	0	0
Derivative Liabilities
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	(7)	(9)
Purchases	0	0
Issuances of Securitized Debt	0	0
Capital distributions	0
Proceeds from sales or settlements	49	0
Principal repayments	0	0
Total net gains/(losses)
Other	0	0
Ending Balance	(159)	(75)
Derivative Liabilities | Net premium and discount amortization
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	0	0
Derivative Liabilities | Net realized gain/(loss)
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	(49)	0
Derivative Liabilities | Net unrealized gain/(loss)
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	(152)	(66)
Derivative Liabilities | Equity in earnings/(loss) from affiliates
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	0	0
Level 3 | Securitized Debt | Net premium and discount amortization
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	(7,578)	(2,738)
Level 3 | Securitized Debt | Net unrealized gain/(loss)
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	(22,429)	(72,642)
Level 3 | Securitized Debt | Equity in earnings/(loss) from affiliates
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	0	0
Level 3 | Derivative Liabilities | Net premium and discount amortization
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	0	0
Level 3 | Derivative Liabilities | Net unrealized gain/(loss)
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	(159)	(66)
Level 3 | Derivative Liabilities | Equity in earnings/(loss) from affiliates
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	0	0
Residential Mortgage Loans
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	5,675,135	4,127,843
Purchases	287,617	22,755
Issuances of Securitized Debt	0	0
Capital distributions	0
Proceeds from sales or settlements	0	(65,383)
Principal repayments	(140,625)	(73,956)
Total net gains/(losses)
Other	(822)	(1,083)
Ending Balance	5,848,560	4,098,773
Residential Mortgage Loans | Net premium and discount amortization
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	4,197	1,144
Residential Mortgage Loans | Net realized gain/(loss)
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	2	(9,758)
Residential Mortgage Loans | Net unrealized gain/(loss)
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	23,056	97,211
Residential Mortgage Loans | Equity in earnings/(loss) from affiliates
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	0	0
Residential Mortgage Loans | Level 3 | Net premium and discount amortization
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	4,197	1,144
Residential Mortgage Loans | Level 3 | Net unrealized gain/(loss)
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	23,056	87,029
Residential Mortgage Loans | Level 3 | Equity in earnings/(loss) from affiliates
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	0	0
Legacy WMC Commercial Loans
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	66,303
Purchases	0
Issuances of Securitized Debt	0
Capital distributions	0
Proceeds from sales or settlements	0
Principal repayments	0
Total net gains/(losses)
Other	0
Ending Balance	66,474
Legacy WMC Commercial Loans | Net premium and discount amortization
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	60
Legacy WMC Commercial Loans | Net realized gain/(loss)
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	0
Legacy WMC Commercial Loans | Net unrealized gain/(loss)
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	111
Legacy WMC Commercial Loans | Equity in earnings/(loss) from affiliates
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	0
Legacy WMC Commercial Loans | Level 3 | Net premium and discount amortization
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	60
Legacy WMC Commercial Loans | Level 3 | Net unrealized gain/(loss)
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	111
Legacy WMC Commercial Loans | Level 3 | Equity in earnings/(loss) from affiliates
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	0
Non-Agency RMBS
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	37,533	14,917
Purchases	0	0
Issuances of Securitized Debt	0	0
Capital distributions	0
Proceeds from sales or settlements	0	0
Principal repayments	0	0
Total net gains/(losses)
Other	0	0
Ending Balance	39,163	15,039
Non-Agency RMBS | Net premium and discount amortization
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	16	(76)
Non-Agency RMBS | Net realized gain/(loss)
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	0	0
Non-Agency RMBS | Net unrealized gain/(loss)
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	1,614	198
Non-Agency RMBS | Equity in earnings/(loss) from affiliates
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	0	0
Non-Agency RMBS | Level 3 | Net premium and discount amortization
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	16	(76)
Non-Agency RMBS | Level 3 | Net unrealized gain/(loss)
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	1,614	198
Non-Agency RMBS | Level 3 | Equity in earnings/(loss) from affiliates
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	0	0
Legacy WMC CMBS
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	5,796
Purchases	0
Issuances of Securitized Debt	0
Capital distributions	0
Proceeds from sales or settlements	0
Principal repayments	0
Total net gains/(losses)
Other	0
Ending Balance	3,268
Legacy WMC CMBS | Net premium and discount amortization
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	(63)
Legacy WMC CMBS | Net realized gain/(loss)
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	0
Legacy WMC CMBS | Net unrealized gain/(loss)
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	(2,465)
Legacy WMC CMBS | Equity in earnings/(loss) from affiliates
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	0
Legacy WMC CMBS | Level 3 | Net premium and discount amortization
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	(63)
Legacy WMC CMBS | Level 3 | Net unrealized gain/(loss)
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	(2,465)
Legacy WMC CMBS | Level 3 | Equity in earnings/(loss) from affiliates
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	0
Legacy WMC Other Securities
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	1,156
Purchases	0
Issuances of Securitized Debt	0
Capital distributions	0
Proceeds from sales or settlements	0
Principal repayments	0
Total net gains/(losses)
Other	0
Ending Balance	1,220
Legacy WMC Other Securities | Net premium and discount amortization
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	(54)
Legacy WMC Other Securities | Net realized gain/(loss)
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	0
Legacy WMC Other Securities | Net unrealized gain/(loss)
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	118
Legacy WMC Other Securities | Equity in earnings/(loss) from affiliates
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	0
Legacy WMC Other Securities | Level 3 | Net premium and discount amortization
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	(54)
Legacy WMC Other Securities | Level 3 | Net unrealized gain/(loss)
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	118
Legacy WMC Other Securities | Level 3 | Equity in earnings/(loss) from affiliates
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	0
Derivative Assets
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	1,172	98
Purchases	0	0
Issuances of Securitized Debt	0	0
Capital distributions	0
Proceeds from sales or settlements	(1,181)	0
Principal repayments	0	0
Total net gains/(losses)
Other	0	0
Ending Balance	472	2,475
Derivative Assets | Net premium and discount amortization
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	0	0
Derivative Assets | Net realized gain/(loss)
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	1,181	0
Derivative Assets | Net unrealized gain/(loss)
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	(700)	2,377
Derivative Assets | Equity in earnings/(loss) from affiliates
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	0	0
Derivative Assets | Level 3 | Net premium and discount amortization
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	0	0
Derivative Assets | Level 3 | Net unrealized gain/(loss)
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	472	2,377
Derivative Assets | Level 3 | Equity in earnings/(loss) from affiliates
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	0	0
AG Arc
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	33,574	39,680
Purchases	0	0
Issuances of Securitized Debt	0	0
Capital distributions	(312)
Proceeds from sales or settlements	0	0
Principal repayments	0	0
Total net gains/(losses)
Other	0	0
Ending Balance	33,190	37,540
AG Arc | Net premium and discount amortization
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	0	0
AG Arc | Net realized gain/(loss)
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	0	0
AG Arc | Net unrealized gain/(loss)
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	0	0
AG Arc | Equity in earnings/(loss) from affiliates
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	(72)	(2,140)
AG Arc | Level 3 | Net premium and discount amortization
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	0	0
AG Arc | Level 3 | Net unrealized gain/(loss)
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	0	0
AG Arc | Level 3 | Equity in earnings/(loss) from affiliates
Total net gains/(losses)
Change in unrealized appreciation/(depreciation) for level 3 assets/liabilities still held	$ (72)	$ (2,140)

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Fair value measurements - Schedule of Valuation Techniques (Details) $ in Thousands	Mar. 31, 2024 USD ($) quote	Dec. 31, 2023 USD ($) quote
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	$ 271,868	$ 162,821
Derivative assets, at fair value	10,823	10,605
Derivative Liability	(314)	(70)
Legacy WMC CMBS
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	54,389	56,349
Legacy WMC Other Securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	1,220	1,156
Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative assets, at fair value	472	1,172
Level 3 | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative assets, at fair value	472	1,172
Derivative Liability	$ (159)	$ (7)
Level 3 | Yield | Minimum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative asset, measurement input	0.0632	0.0629
Derivative liability, measurement input	0.0641	0.0647
Level 3 | Yield | Maximum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative asset, measurement input	0.0939	0.0832
Derivative liability, measurement input	0.0717	0.0700
Level 3 | Yield | Weighted Average | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative asset, measurement input	0.0723	0.0681
Derivative liability, measurement input	0.0669	0.0651
Level 3 | Projected Collateral Prepayments | Minimum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative asset, measurement input	0.1045	0.1820
Derivative liability, measurement input	0.1959	0.2736
Level 3 | Projected Collateral Prepayments | Maximum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative asset, measurement input	0.3162	0.3378
Derivative liability, measurement input	0.3175	0.3444
Level 3 | Projected Collateral Prepayments | Weighted Average | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative asset, measurement input	0.2242	0.2700
Derivative liability, measurement input	0.2759	0.3430
Level 3 | Projected Collateral Losses | Minimum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative asset, measurement input	0.0001	0.0000
Derivative liability, measurement input	0.0001	0.0000
Level 3 | Projected Collateral Losses | Maximum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative asset, measurement input	0.0270	0.0082
Derivative liability, measurement input	0.0031	0.0002
Level 3 | Projected Collateral Losses | Weighted Average | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative asset, measurement input	0.0075	0.0014
Derivative liability, measurement input	0.0007	0.0000
Level 3 | Projected Collateral Severities | Minimum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative asset, measurement input	0.1000	0.1000
Derivative liability, measurement input	0.1000	0.1000
Level 3 | Projected Collateral Severities | Maximum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative asset, measurement input	0.1000	0.1000
Derivative liability, measurement input	0.1000	0.1000
Level 3 | Projected Collateral Severities | Weighted Average | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative asset, measurement input	0.1000	0.1000
Derivative liability, measurement input	0.1000	0.1000
Level 3 | Pull Through Percentages | Minimum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative asset, measurement input	0.6000	0.6000
Derivative liability, measurement input	0.6000	0.6000
Level 3 | Pull Through Percentages | Maximum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative asset, measurement input	1.0000	1.0000
Derivative liability, measurement input	1.0000	1.0000
Level 3 | Pull Through Percentages | Weighted Average | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative asset, measurement input	0.8504	0.9221
Derivative liability, measurement input	0.7684	0.9922
Level 3 | Residential Mortgage | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, fair value	$ 203,556	$ 316,854
Level 3 | Residential Mortgage | Securitized Residential Mortgage Loans | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, fair value	$ 5,645,004	$ 5,358,281
Level 3 | Residential Mortgage | Yield | Minimum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, measurement input	0.0632	0.0613
Level 3 | Residential Mortgage | Yield | Minimum | Securitized Residential Mortgage Loans | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, measurement input	0.0568	0.0567
Level 3 | Residential Mortgage | Yield | Maximum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, measurement input	0.1375	0.1875
Level 3 | Residential Mortgage | Yield | Maximum | Securitized Residential Mortgage Loans | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, measurement input	0.0956	0.0947
Level 3 | Residential Mortgage | Yield | Weighted Average | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, measurement input	0.0696	0.0664
Level 3 | Residential Mortgage | Yield | Weighted Average | Securitized Residential Mortgage Loans | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, measurement input	0.0629	0.0623
Level 3 | Residential Mortgage | Projected Collateral Prepayments | Minimum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, measurement input	0.0284	0.0389
Level 3 | Residential Mortgage | Projected Collateral Prepayments | Minimum | Securitized Residential Mortgage Loans | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, measurement input	0.0405	0.0302
Level 3 | Residential Mortgage | Projected Collateral Prepayments | Maximum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, measurement input	0.3725	0.3435
Level 3 | Residential Mortgage | Projected Collateral Prepayments | Maximum | Securitized Residential Mortgage Loans | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, measurement input	0.1440	0.1047
Level 3 | Residential Mortgage | Projected Collateral Prepayments | Weighted Average | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, measurement input	0.2452	0.2488
Level 3 | Residential Mortgage | Projected Collateral Prepayments | Weighted Average | Securitized Residential Mortgage Loans | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, measurement input	0.0588	0.0472
Level 3 | Residential Mortgage | Projected Collateral Losses | Minimum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, measurement input	0.0000	0.0000
Level 3 | Residential Mortgage | Projected Collateral Losses | Minimum | Securitized Residential Mortgage Loans | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, measurement input	0.0002	0.0002
Level 3 | Residential Mortgage | Projected Collateral Losses | Maximum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, measurement input	0.2178	0.1272
Level 3 | Residential Mortgage | Projected Collateral Losses | Maximum | Securitized Residential Mortgage Loans | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, measurement input	0.0188	0.0188
Level 3 | Residential Mortgage | Projected Collateral Losses | Weighted Average | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, measurement input	0.0073	0.0015
Level 3 | Residential Mortgage | Projected Collateral Losses | Weighted Average | Securitized Residential Mortgage Loans | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, measurement input	0.0016	0.0016
Level 3 | Residential Mortgage | Projected Collateral Severities | Minimum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, measurement input	(0.2500)	(0.3875)
Level 3 | Residential Mortgage | Projected Collateral Severities | Minimum | Securitized Residential Mortgage Loans | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, measurement input	(0.1497)	(0.1344)
Level 3 | Residential Mortgage | Projected Collateral Severities | Maximum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, measurement input	0.4402	0.4401
Level 3 | Residential Mortgage | Projected Collateral Severities | Maximum | Securitized Residential Mortgage Loans | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, measurement input	0.2600	0.2600
Level 3 | Residential Mortgage | Projected Collateral Severities | Weighted Average | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, measurement input	0.0972	0.0962
Level 3 | Residential Mortgage | Projected Collateral Severities | Weighted Average | Securitized Residential Mortgage Loans | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, measurement input	0.1827	0.1738
Level 3 | Legacy WMC Commercial Loans | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, fair value	$ 66,474	$ 66,303
Level 3 | Legacy WMC Commercial Loans | Yield | Minimum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, measurement input	0.0862	0.0816
Level 3 | Legacy WMC Commercial Loans | Yield | Maximum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, measurement input	0.1070	0.1013
Level 3 | Legacy WMC Commercial Loans | Yield | Weighted Average | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, measurement input	0.1001	0.0947
Level 3 | Legacy WMC Commercial Loans | Credit Spread | Minimum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, measurement input	0.0377	0.0377
Level 3 | Legacy WMC Commercial Loans | Credit Spread | Maximum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, measurement input	0.0550	0.0556
Level 3 | Legacy WMC Commercial Loans | Credit Spread | Weighted Average | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, measurement input	0.0493	0.0496
Level 3 | Legacy WMC Commercial Loans | Recovery Percentage | Minimum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, measurement input	1.0000	1.0000
Level 3 | Legacy WMC Commercial Loans | Recovery Percentage | Maximum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, measurement input	1.0000	1.0000
Level 3 | Legacy WMC Commercial Loans | Recovery Percentage | Weighted Average | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, measurement input	1.0000	1.0000
Level 3 | Legacy WMC Commercial Loans | Loan-to-Value | Minimum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, measurement input	0.4250	0.4250
Level 3 | Legacy WMC Commercial Loans | Loan-to-Value | Maximum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, measurement input	0.7722	0.7722
Level 3 | Legacy WMC Commercial Loans | Loan-to-Value | Weighted Average | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, measurement input	0.6363	0.6361
Level 3 | Non-Agency RMBS | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	$ 39,163	$ 37,533
Level 3 | Non-Agency RMBS | Yield | Minimum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, measurement input	0.0597	0.0623
Level 3 | Non-Agency RMBS | Yield | Maximum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, measurement input	0.1400	0.1400
Level 3 | Non-Agency RMBS | Yield | Weighted Average | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, measurement input	0.0918	0.0970
Level 3 | Non-Agency RMBS | Projected Collateral Prepayments | Minimum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, measurement input	0.0468	0.0455
Level 3 | Non-Agency RMBS | Projected Collateral Prepayments | Maximum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, measurement input	0.0657	0.0526
Level 3 | Non-Agency RMBS | Projected Collateral Prepayments | Weighted Average | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, measurement input	0.0549	0.0493
Level 3 | Non-Agency RMBS | Projected Collateral Losses | Minimum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, measurement input	0.0018	0.0017
Level 3 | Non-Agency RMBS | Projected Collateral Losses | Maximum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, measurement input	0.0041	0.0028
Level 3 | Non-Agency RMBS | Projected Collateral Losses | Weighted Average | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, measurement input	0.0029	0.0025
Level 3 | Non-Agency RMBS | Projected Collateral Severities | Minimum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, measurement input	0.1000	0.1000
Level 3 | Non-Agency RMBS | Projected Collateral Severities | Maximum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, measurement input	0.1000	0.1000
Level 3 | Non-Agency RMBS | Projected Collateral Severities | Weighted Average | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, measurement input	0.1000	0.1000
Level 3 | Legacy WMC CMBS | Consensus Pricing
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	$ 3,268	$ 5,796
Level 3 | Legacy WMC CMBS | Offered Quotes | Minimum | Consensus Pricing
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, measurement input | quote	31.13	55.20
Level 3 | Legacy WMC CMBS | Offered Quotes | Maximum | Consensus Pricing
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, measurement input | quote	31.13	55.20
Level 3 | Legacy WMC CMBS | Offered Quotes | Weighted Average | Consensus Pricing
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, measurement input | quote	31.13	55.20
Level 3 | Legacy WMC Other Securities | Consensus Pricing
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	$ 1,220	$ 1,156
Level 3 | Legacy WMC Other Securities | Offered Quotes | Minimum | Consensus Pricing
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, measurement input | quote	7,199.26	6,821.32
Level 3 | Legacy WMC Other Securities | Offered Quotes | Maximum | Consensus Pricing
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, measurement input | quote	7,199.26	6,821.32
Level 3 | Legacy WMC Other Securities | Offered Quotes | Weighted Average | Consensus Pricing
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, measurement input | quote	7,199.26	6,821.32
Level 3 | AG Arc | Comparable Multiple
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, fair value	$ 33,190	$ 33,574
Level 3 | AG Arc | Book Value Multiple | Minimum | Comparable Multiple
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, measurement input	0.89	0.89
Level 3 | AG Arc | Book Value Multiple | Maximum | Comparable Multiple
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, measurement input	0.89	0.89
Level 3 | AG Arc | Book Value Multiple | Weighted Average | Comparable Multiple
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held-for-sale, measurement input	0.89	0.89
Level 3 | Securitized Debt | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Long-term debt, fair value	$ (4,980,942)	$ (4,711,623)
Level 3 | Securitized Debt | Yield | Minimum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Long-term debt, measurement input	0.0511	0.0492
Level 3 | Securitized Debt | Yield | Maximum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Long-term debt, measurement input	0.1500	0.1500
Level 3 | Securitized Debt | Yield | Weighted Average | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Long-term debt, measurement input	0.0580	0.0572
Level 3 | Securitized Debt | Projected Collateral Prepayments | Minimum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Long-term debt, measurement input	0.0405	0.0302
Level 3 | Securitized Debt | Projected Collateral Prepayments | Maximum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Long-term debt, measurement input	0.1440	0.1047
Level 3 | Securitized Debt | Projected Collateral Prepayments | Weighted Average | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Long-term debt, measurement input	0.0582	0.0466
Level 3 | Securitized Debt | Projected Collateral Losses | Minimum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Long-term debt, measurement input	0.0002	0.0002
Level 3 | Securitized Debt | Projected Collateral Losses | Maximum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Long-term debt, measurement input	0.0050	0.0040
Level 3 | Securitized Debt | Projected Collateral Losses | Weighted Average | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Long-term debt, measurement input	0.0014	0.0015
Level 3 | Securitized Debt | Projected Collateral Severities | Minimum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Long-term debt, measurement input	0.1000	0.0371
Level 3 | Securitized Debt | Projected Collateral Severities | Maximum | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Long-term debt, measurement input	0.2600	0.2600
Level 3 | Securitized Debt | Projected Collateral Severities | Weighted Average | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Long-term debt, measurement input	0.1863	0.1776

XML

Fair value measurements - Schedule of Carrying Values and Estimated Fair Values of Debt Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Senior unsecured notes	$ 32,810	$ 0
Financing arrangements	4,980,942	4,711,623
Carrying Value | Fair Value, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Legacy WMC Convertible Notes	78,530	85,266
Senior unsecured notes	32,810	0
Financing arrangements	59,676	62,972
Estimated Fair Value | Fair Value, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Legacy WMC Convertible Notes	79,115	84,525
Senior unsecured notes	35,093	0
Financing arrangements	$ 59,941	$ 63,175

XML

Financing - Schedule of Financing Arrangements (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Repurchase Agreements [Abstract]
Current Face	$ 6,278,510
Carrying Value	$ 5,826,283	$ 5,564,481
Weighted Average Funding Cost	5.37%
Weighted Average Life	6 years 2 months 4 days
Cash pledged under repurchase agreement	$ 2,100	1,700
Asset Pledged as Collateral
Repurchase Agreements [Abstract]
Collateral Fair Value	1,150,502
Securitized Residential Mortgage Loans
Repurchase Agreements [Abstract]
Carrying Value
Securitized Residential Mortgage Loans | Securitized Debt
Repurchase Agreements [Abstract]
Current Face	5,432,943
Carrying Value	$ 4,980,942	4,711,623
Weighted Average Funding Cost	5.03%
Weighted Average Life	7 years 10 days
Total Financing Arrangements
Repurchase Agreements [Abstract]
Current Face	$ 731,947
Total Financing Arrangements | Financing Arrangements
Repurchase Agreements [Abstract]
Current Face	731,947
Carrying Value	$ 734,001	767,592
Weighted Average Funding Cost	7.09%
Weighted Average Life	4 months 17 days
Total Financing Arrangements | Asset Pledged as Collateral | Financing Arrangements
Repurchase Agreements [Abstract]
Collateral Fair Value	$ 1,150,502
Non-Agency Loans
Repurchase Agreements [Abstract]
Current Face	77,191
Non-Agency Loans | Financing Arrangements
Repurchase Agreements [Abstract]
Current Face	77,191
Carrying Value	$ 77,191	77,345
Weighted Average Funding Cost	7.29%
Weighted Average Life	5 months 26 days
Non-Agency Loans | Asset Pledged as Collateral | Financing Arrangements
Repurchase Agreements [Abstract]
Collateral Fair Value	$ 93,797
Non-Agency Loans | Securitized Residential Mortgage Loans
Repurchase Agreements [Abstract]
Current Face	312,953
Non-Agency Loans | Securitized Residential Mortgage Loans | Financing Arrangements
Repurchase Agreements [Abstract]
Current Face	312,953
Carrying Value	$ 315,007	301,205
Weighted Average Funding Cost	7.34%
Weighted Average Life	3 months 21 days
Financing arrangements, weighted average yield	7.91%
Non-Agency Loans | Securitized Residential Mortgage Loans | Securitized Debt
Repurchase Agreements [Abstract]
Current Face	$ 5,311,289
Carrying Value	$ 4,871,205	4,597,490
Weighted Average Funding Cost	5.07%
Weighted Average Life	7 years 1 month 6 days
Amortized cost of debt	$ 5,200,000
Non-Agency Loans | Securitized Residential Mortgage Loans | Asset Pledged as Collateral | Financing Arrangements
Repurchase Agreements [Abstract]
Collateral Fair Value	597,357
Non-Agency Loans | Counterparty One and Two
Repurchase Agreements [Abstract]
Line of credit facility, maximum borrowing capacity	1,800,000
Re- and Non-Performing Loans | Securitized Residential Mortgage Loans
Repurchase Agreements [Abstract]
Current Face	43,628
Re- and Non-Performing Loans | Securitized Residential Mortgage Loans | Financing Arrangements
Repurchase Agreements [Abstract]
Current Face	43,628
Carrying Value	$ 43,628	44,928
Weighted Average Funding Cost	7.27%
Weighted Average Life	10 days
Re- and Non-Performing Loans | Securitized Residential Mortgage Loans | Securitized Debt
Repurchase Agreements [Abstract]
Current Face	$ 121,654
Carrying Value	$ 109,737	114,133
Weighted Average Funding Cost	3.28%
Weighted Average Life	3 years 10 months 9 days
Amortized cost of debt	$ 119,800
Re- and Non-Performing Loans | Securitized Residential Mortgage Loans | Asset Pledged as Collateral | Financing Arrangements
Repurchase Agreements [Abstract]
Collateral Fair Value	65,970
Agency-Eligible Loans
Repurchase Agreements [Abstract]
Current Face	94,819
Agency-Eligible Loans | Financing Arrangements
Repurchase Agreements [Abstract]
Current Face	94,819
Carrying Value	$ 94,819	200,617
Weighted Average Funding Cost	7.18%
Weighted Average Life	10 months 28 days
Agency-Eligible Loans | Asset Pledged as Collateral | Financing Arrangements
Repurchase Agreements [Abstract]
Collateral Fair Value	$ 102,955
Legacy WMC Commercial Loans
Repurchase Agreements [Abstract]
Collateral Fair Value	66,474	66,303
Legacy WMC Commercial Loans | Financing Arrangements
Repurchase Agreements [Abstract]
Current Face	47,222
Carrying Value	$ 47,222	48,032
Weighted Average Funding Cost	8.33%
Weighted Average Life	11 months 23 days
Legacy WMC Commercial Loans | Asset Pledged as Collateral | Financing Arrangements
Repurchase Agreements [Abstract]
Collateral Fair Value	$ 66,474
Legacy WMC Commercial Loans | Securitized Residential Mortgage Loans | Financing Arrangements
Repurchase Agreements [Abstract]
Financing arrangements, weighted average yield	8.08%
Non-Agency RMBS
Repurchase Agreements [Abstract]
Current Face	$ 36,415
Non-Agency RMBS | Financing Arrangements
Repurchase Agreements [Abstract]
Current Face	36,415
Carrying Value	$ 36,415	51,251
Weighted Average Funding Cost	6.76%
Weighted Average Life	29 days
Non-Agency RMBS | Asset Pledged as Collateral | Financing Arrangements
Repurchase Agreements [Abstract]
Collateral Fair Value	$ 70,054
Legacy WMC CMBS
Repurchase Agreements [Abstract]
Current Face	21,348
Legacy WMC CMBS | Financing Arrangements
Repurchase Agreements [Abstract]
Current Face	21,348
Carrying Value	$ 21,348	31,620
Weighted Average Funding Cost	7.28%
Weighted Average Life	3 days
Legacy WMC CMBS | Asset Pledged as Collateral | Financing Arrangements
Repurchase Agreements [Abstract]
Collateral Fair Value	$ 51,121
Agency RMBS
Repurchase Agreements [Abstract]
Current Face	98,371
Agency RMBS | Financing Arrangements
Repurchase Agreements [Abstract]
Current Face	98,371
Carrying Value	$ 98,371	12,594
Weighted Average Funding Cost	5.48%
Weighted Average Life	10 days
Agency RMBS | Asset Pledged as Collateral | Financing Arrangements
Repurchase Agreements [Abstract]
Collateral Fair Value	$ 102,774
Legacy WMC Convertible Notes
Repurchase Agreements [Abstract]
Current Face	79,120
Carrying Value	$ 78,530	85,266
Weighted Average Funding Cost	8.42%
Weighted Average Life	5 months 19 days
Senior Unsecured Notes
Repurchase Agreements [Abstract]
Current Face	$ 34,500
Carrying Value	$ 32,810	$ 0
Weighted Average Funding Cost	10.80%
Weighted Average Life	4 years 11 months 12 days
Interest Only | Securitized Residential Mortgage Loans
Repurchase Agreements [Abstract]
Notional balance	$ 131,300

XML

Financing - Narrative (Details)				3 Months Ended
	Jan. 26, 2024 USD ($)	Dec. 06, 2023 USD ($) $ / shares	Dec. 05, 2023	Mar. 31, 2024 USD ($) counterparty	Dec. 31, 2023 counterparty
Debt Instrument [Line Items]
Number of counterparties with outstanding debt | counterparty				6	7
Legacy Convertible Senior Unsecured Notes Due in September 2024 | Convertible Debt
Debt Instrument [Line Items]
Repurchased face amount				$ 7,100,000
Senior Notes Due 2029 | Senior Unsecured Notes
Debt Instrument [Line Items]
Debt face amount	$ 34,500,000
Debt interest rate	9.50%
Redemption price, percentage	100.00%
Interest expense				600,000
Coupon interest expense				600,000
Amortization expense				47,000
Proceeds from senior notes	$ 32,800,000
Percentage of principal amount	100.00%
WMC | Legacy Convertible Senior Unsecured Notes Due in September 2024 | Convertible Debt
Debt Instrument [Line Items]
Debt face amount		$ 86,250,000
Debt interest rate		6.75%
Redemption price, percentage		100.00%
Conversion ratio		0.0506252	0.0337952
Conversion price (in dollars per share) | $ / shares		$ 19.75
Conversion price, common stock component (in dollars per share) | $ / shares		19.13
Conversion price, common stock component (in dollars per share) | $ / shares		$ 0.62
Interest expense				1,700,000
Coupon interest expense				1,400,000
Amortization expense				$ 300,000

XML

Financing - Schedule of Total Borrowings Under Repurchase Agreements (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	$ 6,278,510
Carrying Value	5,826,283	$ 5,564,481
Securitized Residential Mortgage Loans
Assets Sold under Agreements to Repurchase [Line Items]
Carrying Value
Total Financing Arrangements
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	731,947
Total Financing Arrangements | Within 30 Days
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	396,903
Total Financing Arrangements | Over 30 Days to 3 Months
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	60,655
Total Financing Arrangements | Over 3 Months to 12 Months
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	216,768
Total Financing Arrangements | Over 12 Months
Assets Sold under Agreements to Repurchase [Line Items]
Carrying Value	57,621
Non-Agency Loans
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	77,191
Non-Agency Loans | Securitized Residential Mortgage Loans
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	312,953
Non-Agency Loans | Within 30 Days
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	0
Non-Agency Loans | Within 30 Days | Securitized Residential Mortgage Loans
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	213,496
Non-Agency Loans | Over 30 Days to 3 Months
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	2,464
Non-Agency Loans | Over 30 Days to 3 Months | Securitized Residential Mortgage Loans
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	41,836
Non-Agency Loans | Over 3 Months to 12 Months
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	74,727
Non-Agency Loans | Over 3 Months to 12 Months | Securitized Residential Mortgage Loans
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	0
Non-Agency Loans | Over 12 Months
Assets Sold under Agreements to Repurchase [Line Items]
Carrying Value	0
Non-Agency Loans | Over 12 Months | Securitized Residential Mortgage Loans
Assets Sold under Agreements to Repurchase [Line Items]
Carrying Value	57,621
Re- and Non-Performing Loans | Securitized Residential Mortgage Loans
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	43,628
Re- and Non-Performing Loans | Within 30 Days | Securitized Residential Mortgage Loans
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	43,628
Re- and Non-Performing Loans | Over 30 Days to 3 Months | Securitized Residential Mortgage Loans
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	0
Re- and Non-Performing Loans | Over 3 Months to 12 Months | Securitized Residential Mortgage Loans
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	0
Re- and Non-Performing Loans | Over 12 Months | Securitized Residential Mortgage Loans
Assets Sold under Agreements to Repurchase [Line Items]
Carrying Value	0
Agency-Eligible Loans
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	94,819
Agency-Eligible Loans | Within 30 Days
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	0
Agency-Eligible Loans | Over 30 Days to 3 Months
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	0
Agency-Eligible Loans | Over 3 Months to 12 Months
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	94,819
Agency-Eligible Loans | Over 12 Months
Assets Sold under Agreements to Repurchase [Line Items]
Carrying Value	0
Legacy WMC Commercial Loans
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	47,222
Legacy WMC Commercial Loans | Within 30 Days
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	0
Legacy WMC Commercial Loans | Over 30 Days to 3 Months
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	0
Legacy WMC Commercial Loans | Over 3 Months to 12 Months
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	47,222
Legacy WMC Commercial Loans | Over 12 Months
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	0
Non-Agency RMBS
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	36,415
Non-Agency RMBS | Within 30 Days
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	20,060
Non-Agency RMBS | Over 30 Days to 3 Months
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	16,355
Non-Agency RMBS | Over 3 Months to 12 Months
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	0
Non-Agency RMBS | Over 12 Months
Assets Sold under Agreements to Repurchase [Line Items]
Carrying Value	0
Legacy WMC CMBS
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	21,348
Legacy WMC CMBS | Within 30 Days
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	21,348
Legacy WMC CMBS | Over 30 Days to 3 Months
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	0
Legacy WMC CMBS | Over 3 Months to 12 Months
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	0
Legacy WMC CMBS | Over 12 Months
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	0
Agency RMBS
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	98,371
Agency RMBS | Within 30 Days
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	98,371
Agency RMBS | Over 30 Days to 3 Months
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	0
Agency RMBS | Over 3 Months to 12 Months
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	0
Agency RMBS | Over 12 Months
Assets Sold under Agreements to Repurchase [Line Items]
Carrying Value	0
Legacy WMC Convertible Notes
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	79,120
Carrying Value	78,530	85,266
Legacy WMC Convertible Notes | Within 30 Days
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	0
Legacy WMC Convertible Notes | Over 30 Days to 3 Months
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	0
Legacy WMC Convertible Notes | Over 3 Months to 12 Months
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	79,120
Legacy WMC Convertible Notes | Over 12 Months
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	0
Senior Unsecured Notes
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	34,500
Carrying Value	32,810	$ 0
Senior Unsecured Notes | Within 30 Days
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	0
Senior Unsecured Notes | Over 30 Days to 3 Months
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	0
Senior Unsecured Notes | Over 3 Months to 12 Months
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	0
Senior Unsecured Notes | Over 12 Months
Assets Sold under Agreements to Repurchase [Line Items]
Current Face	$ 34,500

XML

Financing - Schedule of Repurchase Agreement Counterparty (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
BofA Securities, Inc.
Repurchase Agreement Counterparty [Line Items]
Stockholders' Equity at Risk	$ 130,896	$ 131,128
Weighted Average Maturity (days)	118 days	236 days
Percentage of Stockholders' Equity	24.30%	24.80%
Barclays Capital Inc.
Repurchase Agreement Counterparty [Line Items]
Stockholders' Equity at Risk	$ 81,783	$ 81,047
Weighted Average Maturity (days)	83 days	85 days
Percentage of Stockholders' Equity	15.20%	15.30%
Goldman Sachs Bank USA
Repurchase Agreement Counterparty [Line Items]
Stockholders' Equity at Risk	$ 80,089	$ 73,893
Weighted Average Maturity (days)	9 days	9 days
Percentage of Stockholders' Equity	14.80%	14.00%
JP Morgan Securities, LLC
Repurchase Agreement Counterparty [Line Items]
Stockholders' Equity at Risk	$ 43,078	$ 46,642
Weighted Average Maturity (days)	62 days	134 days
Percentage of Stockholders' Equity	8.00%	8.80%
Various
Repurchase Agreement Counterparty [Line Items]
Stockholders' Equity at Risk	$ 72,040	$ 69,637
Weighted Average Maturity (days)	486 days	577 days
Percentage of Stockholders' Equity	13.40%	13.20%

XML

Other assets and liabilities - Schedule of Other Assets and Other Liabilities (Details) - USD ($) $ in Thousands		Mar. 31, 2024	Dec. 31, 2023
Other assets
Interest receivable		$ 31,436	$ 30,315
Real estate owned		5,428	5,644
Derivative assets, at fair value		739	1,321
Other assets		2,980	3,187
Due from broker		912	249
Total Other assets		41,495	40,716
Other liabilities
Interest payable		22,398	23,715
Derivative liabilities, at fair value		314	70
Accrued expenses		3,011	4,874
Due to broker		72	196
Total Other liabilities	[1]	29,519	32,107
Related Party
Other liabilities
Due to affiliates		$ 3,724	$ 3,252

[1] Refer to Note 7 and Note 10 for additional details on amounts payable to affiliates.

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Other assets and liabilities - Schedule of Company's Derivative and Other Instruments and their Balance Sheet Location (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Derivatives, Fair Value [Line Items]
Derivative pay interest rate	3.74%	3.65%
Derivative receivable interest rate	5.34%	5.38%
Derivative, remaining maturity	4 years 11 months 12 days	4 years 3 days
Interest Rate Swaps
Derivatives, Fair Value [Line Items]
Derivative asset, reduction in fair value related to variation margin	$ 10,100	$ 9,300
Derivative liabilities, reduction related to variation margin	1,000	7,700
Interest Rate Swaps | Other assets
Derivatives, Fair Value [Line Items]
Notional amount	377,250	165,000
Derivative assets, at fair value	267	149
Interest Rate Swaps | Other liabilities
Derivatives, Fair Value [Line Items]
Notional amount	77,000	338,000
Derivative liabilities, at fair value	0	0
Forward Purchase Commitments | Other assets
Derivatives, Fair Value [Line Items]
Notional amount	79,152	70,145
Derivative assets, at fair value	472	1,172
Forward Purchase Commitments | Other liabilities
Derivatives, Fair Value [Line Items]
Notional amount	28,032	2,566
Derivative liabilities, at fair value	(159)	(7)
Short | TBAs | Other liabilities
Derivatives, Fair Value [Line Items]
Notional amount	32,000	9,000
Derivative liabilities, at fair value	$ (155)	$ (63)

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Other assets and liabilities - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Cash as collateral for certain derivatives	$ 14.2	$ 12.3
Cash collateral posted by company	5.1	10.7
Cash pledged as collateral against derivatives related to variation margin	$ 9.1	$ 1.6

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Other assets and liabilities - Schedule of Company's Derivative and Other Instruments and their Balance Sheet Location (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Derivative Instruments, Gain (Loss) [Line Items]
Included within Net interest component of interest rate swaps	$ (1,900)	$ (1,020)
Included within Net unrealized gain/(loss)	9,369	(19,969)
Included within Net realized gain/(loss)	(1,999)	10,002
Total income/(loss)	9,270	(8,947)
Interest Rate Swaps
Derivative Instruments, Gain (Loss) [Line Items]
Included within Net interest component of interest rate swaps	1,900	1,020
Included within Net unrealized gain/(loss)	10,313	(21,386)
Included within Net realized gain/(loss)	(3,141)	9,823
TBAs | Long
Derivative Instruments, Gain (Loss) [Line Items]
Included within Net unrealized gain/(loss)	0	5
TBAs | Short
Derivative Instruments, Gain (Loss) [Line Items]
Included within Net unrealized gain/(loss)	(92)	(899)
Included within Net realized gain/(loss)	10	179
Forward Purchase Commitments
Derivative Instruments, Gain (Loss) [Line Items]
Included within Net unrealized gain/(loss)	(852)	2,311
Included within Net realized gain/(loss)	$ 1,132	$ 0

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Other assets and liabilities - Summary of Derivative Activity (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
To Be Announced Securities, Assets [Roll Forward]
Derivative Asset	$ 10,823		$ 10,605
Derivative Liability	(314)		(70)
Due from broker	912		249
Due to broker	72		$ 196
Interest Rate Swaps
To Be Announced Securities, Liability [Roll Forward]
Buys or Covers	219,750	$ 342,000
Sales or Shorts	(268,500)	(209,000)
To Be Announced Securities, Assets [Roll Forward]
Beginning Notional Amount	503,000	335,000
Buys or Covers	219,750	342,000
Sales or Shorts	(268,500)	(209,000)
Ending Notional Amount	454,250	468,000
Derivative Asset	267	0
Derivative Liability	0	(280)
Notional amount, matured in period	60,000
Short | TBAs
To Be Announced Securities, Liability [Roll Forward]
Beginning Notional Amount	(9,000)	(40,000)
Buys or Covers	34,000	100,000
Sales or Shorts	(57,000)	(60,000)
Ending Notional Amount	(32,000)	0
To Be Announced Securities, Assets [Roll Forward]
Buys or Covers	34,000	100,000
Sales or Shorts	(57,000)	(60,000)
Derivative Asset	0	2
Derivative Liability	(155)	(251)
Due from broker	32,500
Fair Value as of Period End	$ 32,700
Due to broker		300
Long | TBAs
To Be Announced Securities, Liability [Roll Forward]
Buys or Covers		10,000
Sales or Shorts		(10,000)
To Be Announced Securities, Assets [Roll Forward]
Beginning Notional Amount		0
Buys or Covers		10,000
Sales or Shorts		(10,000)
Ending Notional Amount		0
Derivative Asset		8
Derivative Liability		$ (3)

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Earnings per share - Schedule of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Numerator:
Net Income/(Loss)	$ 20,890	$ 12,540
Dividends on preferred stock	(4,586)	(4,586)
Net Income/(Loss) Available to Common Stockholders	$ 16,304	$ 7,954
Denominator:
Basic weighted average common shares outstanding (in shares)	29,453	21,066
Diluted weighted average common shares outstanding (in shares)	29,479	21,066
Earnings/(Loss) Per Share
Basic (in dollars per share)	$ 0.55	$ 0.38
Diluted (in dollars per share)	$ 0.55	$ 0.38

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Earnings per share - Schedule of Common Stock Dividends (Details)	Mar. 15, 2024 $ / shares
Earnings Per Share [Abstract]
Dividends declared per share (in dollars per share)	$ 0.18

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Earnings per share - Schedule of Preferred Stock Dividends (Details) - $ / shares		3 Months Ended
	Feb. 22, 2021	Mar. 31, 2024	Feb. 16, 2024	Feb. 16, 2023
8.25% Series A Cumulative Redeemable Preferred Stock
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Dividends payable (in dollars per share)			$ 0.51563	$ 0.51563
Dividend percentage	8.25%	8.25%
8.00% Series B Cumulative Redeemable Preferred Stock
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Dividends payable (in dollars per share)			0.50	0.50
Dividend percentage	8.00%	8.00%
8.000% Series C Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Dividends payable (in dollars per share)			$ 0.50	$ 0.50
Dividend percentage	8.00%	8.00%

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Income taxes - Narrative (Details) - USD ($)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023	Dec. 06, 2023
Operating Loss Carryforwards [Line Items]
Excise tax expense	$ 0	$ 0
Operating loss carryforwards	2,100,000		$ 2,100,000
Deferred tax assets	38,900,000		37,300,000
Uncertain tax position, interest and penalties expense	0	$ 0
Capital Loss Carryforward
Operating Loss Carryforwards [Line Items]
Tax credit carryforward	$ 300,000,000		$ 293,700,000
WMC
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards				$ 321,600,000
Operating loss carryforwards, not subject to expiration				223,800,000
WMC | Capital Loss Carryforward
Operating Loss Carryforwards [Line Items]
Tax credit carryforward				$ 143,100,000

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Income taxes - Schedule of Tax Expense Attributable to the TRS (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Income Tax Disclosure [Abstract]
Income tax expense	$ 25	$ 225

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Related party transactions - Manager (Details)				3 Months Ended
	Dec. 06, 2023 USD ($) qtr	Aug. 08, 2023 USD ($) qtr	Nov. 22, 2021 USD ($)	Mar. 31, 2024 USD ($)	Mar. 31, 2023 USD ($)	Dec. 31, 2023 USD ($)
Related Party
Related Party Transaction [Line Items]
Renewal term				1 year
Management fee percentage				1.50%
Related Party | MITT Management Agreement Amendment
Related Party Transaction [Line Items]
Reduction in base management fee	$ 600,000	$ 600,000
Number of quarters management fee reduction is effective | qtr	4	4
Management fee waived	$ 2,400,000	$ 2,400,000
Amount to be waived	1,300,000	1,300,000
Maximum cash consideration threshold	$ 7,000,000	$ 7,000,000
Related Party | Termination Fee With Manager
Related Party Transaction [Line Items]
Termination fee multiplier				3
Termination fee multiplier, measurement period				24 months
Affiliated Entity
Related Party Transaction [Line Items]
Management fee payable				$ 1,700,000		$ 1,500,000
Affiliated Entity | Reimbursement To Manager
Related Party Transaction [Line Items]
Due to affiliates				1,800,000		$ 1,500,000
Limited Liability Company | Incentive Fee To Manager
Related Party Transaction [Line Items]
Annual incentive fee percentage			15.00%
Cumulative hurdle percentage			8.00%
Equity hurdle base amount			$ 341,500,000
Incentive fee expense				$ 0	$ 0

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Related party transactions - Management Fee to Affiliate (Details) - Affiliated Entity - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2024	Mar. 31, 2023
Related Party Transaction [Line Items]
Management fee to affiliate	[1]	$ 1,741	$ 2,075
WMC
Related Party Transaction [Line Items]
Management fee amount waived		$ 600

[1] Refer to Note 10 for additional details on related party transactions.

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Related party transactions - Expense Reimbursement to Manager or Its Affiliates (Details) - Related Party - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Expense reimbursements to Manager or its affiliates
Related Party Transaction [Line Items]
Expense reimbursements to Manager or its affiliates	$ 1,846	$ 1,565
Expense reimbursements to Manager or its affiliates | Non-investment related expenses
Related Party Transaction [Line Items]
Expense reimbursements to Manager or its affiliates	1,664	1,400
Expense reimbursements to Manager or its affiliates | Investment related expenses
Related Party Transaction [Line Items]
Expense reimbursements to Manager or its affiliates	114	102
Expense reimbursements to Manager or its affiliates | Transaction related expenses
Related Party Transaction [Line Items]
Expense reimbursements to Manager or its affiliates	68	$ 63
Reimbursement To Manager Waived
Related Party Transaction [Line Items]
Amount of expense reimbursements	$ 300

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Related party transactions - Restricted stock grants (Details)				3 Months Ended	4 Months Ended	36 Months Ended	48 Months Ended
	Dec. 06, 2023 director shares	Apr. 07, 2021 shares	Apr. 15, 2020 shares	Mar. 31, 2024 USD ($) shares	Mar. 31, 2024 director shares	Mar. 31, 2024 shares	Mar. 31, 2024 shares
Related Party Transaction [Line Items]
Number of dividend equivalent units granted (in shares)					206
WMC
Related Party Transaction [Line Items]
Number of directors added to the company's board of directors | director	2				2
Director | Restricted Stock | WMC
Related Party Transaction [Line Items]
Shares of restricted common stock under equity incentive plans (in shares)	25,962
Manager Equity Incentive Plan | Related Party
Related Party Transaction [Line Items]
Shares of common stock company can award (in shares)			666,666
Shares available to be awarded under equity incentive plans (in shares)				448,397	448,397	448,397	448,397
Manager Equity Incentive Plan | Related Party | Maximum
Related Party Transaction [Line Items]
Value of shares granted in fiscal year | $				$ 300,000
2020 Equity Incentive Plan | Director | Restricted Stock
Related Party Transaction [Line Items]
Shares of restricted common stock under equity incentive plans (in shares)							192,101
2021 Equity Incentive Plan | Related Party
Related Party Transaction [Line Items]
Shares of common stock company can award (in shares)		573,425
Shares of restricted common stock under equity incentive plans (in shares)						0

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Related party transactions - Director compensation (Details) - Related Party $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($) director
Related Party Transaction [Line Items]
Number of independent directors | director	6
Director's fee	$ 150
Directors fees paid in cash	70
Directors fees paid in common stock	80
Non-Executive Chair
Related Party Transaction [Line Items]
Director's fee	60
Directors fees paid in cash	30
Directors fees paid in common stock	30
Audit Committee Chairman
Related Party Transaction [Line Items]
Additional annual fees	25
Compensation And Nomination Committee Chairman
Related Party Transaction [Line Items]
Additional annual fees	10
Corporate Governance Committee Chairman
Related Party Transaction [Line Items]
Additional annual fees	$ 10

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Related party transactions - Investments in debt and equity affiliates (Details)	Mar. 31, 2024	Nov. 30, 2023
Related Party | LOTS I
Related Party Transaction [Line Items]
Loan securitization, ownership interest	47.50%
Related Party | LOTS II
Related Party Transaction [Line Items]
Loan securitization, ownership interest	50.00%
Arc Home
Related Party Transaction [Line Items]
Loan securitization, ownership interest	44.60%
Arc Home | Related Party
Related Party Transaction [Line Items]
Loan securitization, ownership interest	44.60%
MATH | Related Party
Related Party Transaction [Line Items]
Loan securitization, ownership interest	47.00%	44.60%

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Related party transactions - Schedule of Investments in Debt and Equity of Affiliates (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Related Party Transaction [Line Items]
Equity in earnings/(loss) from affiliates	$ 2,037	$ 16
Arc Home
Related Party Transaction [Line Items]
Equity in earnings/(loss) from affiliates	(273)	(2,140)
Non-QM Loans
Related Party Transaction [Line Items]
Equity in earnings/(loss) from affiliates	2,205	1,625
Re- and Non-Performing Loans
Related Party Transaction [Line Items]
Equity in earnings/(loss) from affiliates	105	192
Land Related Financing
Related Party Transaction [Line Items]
Equity in earnings/(loss) from affiliates	0	$ 339
Assets | Related Party
Related Party Transaction [Line Items]
Investments, assets	58,481		$ 58,761
Cash and Other assets/(liabilities)	1,431		2,361
Assets | Arc Home | Related Party
Related Party Transaction [Line Items]
Investments, assets	33,190		33,574
Assets | Total Residential Investments | Related Party
Related Party Transaction [Line Items]
Real Estate Securities, Excess MSRs and Loans, at fair value	23,860		22,826
Assets | Non-QM Loans | Related Party
Related Party Transaction [Line Items]
Real Estate Securities, Excess MSRs and Loans, at fair value	16,523		15,257
Assets | Re- and Non-Performing Loans | Related Party
Related Party Transaction [Line Items]
Real Estate Securities, Excess MSRs and Loans, at fair value	7,337		7,569
Liabilities | Related Party
Related Party Transaction [Line Items]
Investments, liabilities	(3,639)		(3,658)
Cash and Other assets/(liabilities)	(56)		(53)
Liabilities | Arc Home | Related Party
Related Party Transaction [Line Items]
Investments, liabilities	0		0
Liabilities | Total Residential Investments | Related Party
Related Party Transaction [Line Items]
Real Estate Securities, Excess MSRs and Loans, at fair value	(3,583)		(3,605)
Liabilities | Non-QM Loans | Related Party
Related Party Transaction [Line Items]
Real Estate Securities, Excess MSRs and Loans, at fair value	0		0
Liabilities | Re- and Non-Performing Loans | Related Party
Related Party Transaction [Line Items]
Real Estate Securities, Excess MSRs and Loans, at fair value	(3,583)		(3,605)
Equity | Related Party
Related Party Transaction [Line Items]
Investments, equity	54,842		55,103
Cash and Other assets/(liabilities)	1,375		2,308
Equity | Arc Home | Related Party
Related Party Transaction [Line Items]
Investments, equity	33,190		33,574
Equity | Total Residential Investments | Related Party
Related Party Transaction [Line Items]
Real Estate Securities, Excess MSRs and Loans, at fair value	20,277		19,221
Equity | Non-QM Loans | Related Party
Related Party Transaction [Line Items]
Real Estate Securities, Excess MSRs and Loans, at fair value	16,523		15,257
Equity | Re- and Non-Performing Loans | Related Party
Related Party Transaction [Line Items]
Real Estate Securities, Excess MSRs and Loans, at fair value	$ 3,754		$ 3,964

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Related party transactions - Transactions with Red Creek Asset Management LLC (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Affiliated Entity
Related Party Transaction [Line Items]
Management fee payable	$ 1,700		$ 1,500
Transactions with Red Creek Asset Management LLC | Related Party
Related Party Transaction [Line Items]
Fees paid to Asset Manager	658	$ 683
Transactions with Red Creek Asset Management LLC | Affiliated Entity
Related Party Transaction [Line Items]
Management fee payable	$ 200		$ 200

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Related party transactions - Transactions with Arc Home (Details) - Residential Mortgage - AG Arc LLC - Related Party - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Residential mortgage loans sold by Arc Home to the Company
Related Party Transaction [Line Items]
Balance of loans sold during period	$ 79,791	$ 0
Residential mortgage loans sold by Arc Home to private funds under the management of TPG Angelo Gordon
Related Party Transaction [Line Items]
Balance of loans sold during period	$ 156,401	$ 90,584

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Related party transactions - Schedule of intra-entity profits eliminated (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Eliminations | Arc Home | Related Party
Related Party Transaction [Line Items]
Intra-Entity Profits Eliminated	$ 201	$ 0

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Related party transactions - Schedule of affiliated transactions (Details) - USD ($) $ in Millions	Nov. 30, 2023	Sep. 30, 2023
June 2023 Acquiring Affiliate | Affiliated Entity | Total Residential Investments
Related Party Transaction [Line Items]
Investments in debt and equity of affiliates		$ 0.3
November 2023 Acquiring Affiliate | Affiliated Entity | Total Residential Investments
Related Party Transaction [Line Items]
Investments in debt and equity of affiliates	$ 4.8
November 2023 Acquiring Affiliate | Related Party | MATH
Related Party Transaction [Line Items]
Investments in debt and equity of affiliates	$ 0.9

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Related party transactions - MATH Transaction (Details) - MATH - Related Party	Mar. 31, 2024	Nov. 30, 2023
Related Party Transaction [Line Items]
Loan securitization, ownership interest	47.00%	44.60%
Additional percentage of bonds purchased		13.10%

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Equity - Narrative (Details)			3 Months Ended		37 Months Ended	83 Months Ended
	Feb. 22, 2021 USD ($)	May 05, 2017 USD ($)	Mar. 31, 2024 USD ($) period director $ / shares shares	Mar. 31, 2023 USD ($) shares	Mar. 31, 2024 USD ($) period $ / shares shares	Mar. 31, 2024 USD ($) period $ / shares shares	Mar. 26, 2024 USD ($)	Dec. 31, 2023 shares	May 04, 2023 USD ($)	Aug. 03, 2022 USD ($)
Class of Stock [Line Items]
Securities and capital available for issuance | $							$ 1,000,000,000
Capital available for issuance, effective period							3 years
Preferred shares authorized (in shares)			50,000,000		50,000,000	50,000,000
Preferred stock, par value (in dollars per share) | $ / shares			$ 0.01		$ 0.01	$ 0.01
Preferred stock, shares outstanding (in shares)			9,120,000		9,120,000	9,120,000
Quarterly periods required to grant preferred stock voting rights | period			6		6	6
Number of directors | director			2
Percent of votes needed to pass			66.67%		66.67%	66.67%
Sale Agents
Class of Stock [Line Items]
Net proceeds from issuance of common stock | $		$ 100,000,000				$ 48,300,000
Net proceeds from issuance of stock (in shares)			0	0		2,200,000
2022 Repurchase Program
Class of Stock [Line Items]
Authorized amount for stock repurchase | $										$ 15,000,000
Value of common stock remained authorized for future share repurchases | $			$ 1,500,000	$ 2,569,940	$ 1,500,000	$ 1,500,000
Shares repurchased (in shares)			0	923,261
2023 Repurchase Program
Class of Stock [Line Items]
Authorized amount for stock repurchase | $									$ 15,000,000
Value of common stock remained authorized for future share repurchases | $			$ 15,000,000		$ 15,000,000	$ 15,000,000
Preferred Repurchase Program
Class of Stock [Line Items]
Authorized amount for stock repurchase | $	$ 20,000,000
Shares repurchased (in shares)					0
8.25% Series A Cumulative Redeemable Preferred Stock
Class of Stock [Line Items]
Preferred stock dividend percentage	8.25%		8.25%
Preferred stock, shares issued (in shares)			1,700,000		1,700,000	1,700,000		1,700,000
Preferred stock, shares outstanding (in shares)			1,663,000		1,663,000	1,663,000		1,700,000
8.00% Series B Cumulative Redeemable Preferred Stock
Class of Stock [Line Items]
Preferred stock dividend percentage	8.00%		8.00%
Preferred stock, shares issued (in shares)			3,700,000		3,700,000	3,700,000		3,700,000
Preferred stock, shares outstanding (in shares)			3,728,000		3,728,000	3,728,000		3,700,000
8.000% Series C Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock
Class of Stock [Line Items]
Preferred stock dividend percentage	8.00%		8.00%
Preferred stock, shares issued (in shares)			3,700,000		3,700,000	3,700,000		3,700,000
Preferred stock, shares outstanding (in shares)			3,729,000		3,729,000	3,729,000		3,700,000

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Equity - Schedule of Stock Repurchase Programs (Details) - 2022 Repurchase Program - USD ($)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Class of Stock [Line Items]
Total Number of Shares Purchased (in shares)	0	923,261
Weighted Average Price Paid per Share (in dollars per share)		$ 5.68
Total Number of Shares Purchased as Part of Publicly Announced Program (in shares)		923,261
Maximum Approximate Dollar Value that May Yet Be Purchased Under the Program	$ 1,500,000	$ 2,569,940

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Equity - Schedule of Preferred Stock (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended
	Feb. 22, 2021	Mar. 31, 2024	Dec. 31, 2023
Class of Stock [Line Items]
Preferred stock, shares outstanding (in shares)		9,120
Carrying Value		$ 220,472	$ 220,472
Aggregate Liquidation Preference		$ 227,991	$ 227,991
8.25% Series A Cumulative Redeemable Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares outstanding (in shares)		1,663	1,700
Carrying Value		$ 40,110
Aggregate Liquidation Preference		$ 41,580
Preferred stock dividend percentage	8.25%	8.25%
8.00% Series B Cumulative Redeemable Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares outstanding (in shares)		3,728	3,700
Carrying Value		$ 90,187
Aggregate Liquidation Preference		$ 93,191
Preferred stock dividend percentage	8.00%	8.00%
Redemption price (in dollars per share)		$ 25.00
8.000% Series C Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares outstanding (in shares)		3,729	3,700
Carrying Value		$ 90,175
Aggregate Liquidation Preference		$ 93,220
Preferred stock dividend percentage	8.00%	8.00%
Liquidation preference (in dollars per share)		$ 25.00
8.000% Series C Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock | 3 Month LIBOR
Class of Stock [Line Items]
Preferred stock dividend percentage		6.476%

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Commitments and Contingencies (Details) - Non-Agency and Agency-Eligible Loans $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($)
Long-term Purchase Commitment [Line Items]
Total Commitment	$ 109,655
Funded Commitment	0
Remaining Commitment	$ 109,655

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Subsequent Events (Details) - $ / shares	May 02, 2024	Feb. 16, 2024	Feb. 16, 2023
8.25% Series A Cumulative Redeemable Preferred Stock
Subsequent Event [Line Items]
Dividends payable (in dollars per share)		$ 0.51563	$ 0.51563
8.25% Series A Cumulative Redeemable Preferred Stock | Subsequent Event
Subsequent Event [Line Items]
Dividends payable (in dollars per share)	$ 0.51563
8.00% Series B Cumulative Redeemable Preferred Stock
Subsequent Event [Line Items]
Dividends payable (in dollars per share)		$ 0.50	$ 0.50
8.00% Series B Cumulative Redeemable Preferred Stock | Subsequent Event
Subsequent Event [Line Items]
Dividends payable (in dollars per share)	0.50
Series C Fixed to Floating Rate Cumulative Redeemable Preferred | Subsequent Event
Subsequent Event [Line Items]
Dividends payable (in dollars per share)	$ 0.50