CONSOLIDATED STATEMENTS OF ASSETS AND LIABILITIES (Parenthetical) - USD ($) $ in Thousands		Jun. 30, 2024	Jun. 30, 2023
Investments, cost		$ 7,447,174	$ 7,800,596
Restricted Cash		$ 3,974	$ 5,074
Temporary equity, par value (usd per share)		$ 0.001	$ 0.001
Temporary equity, shares authorized (in shares)		647,900,000	447,900,000
Temporary equity, shares outstanding (in shares)		69,466,127	62,102,009
Common stock, par value (usd per share)		$ 0.001	$ 0.001
Common stock, shares authorized (in shares)		1,352,100,000	1,552,100,000
Common stock, shares issued (in shares)		424,846,963	404,033,549
Common stock, shares outstanding (in shares)		424,846,963	404,033,549
Series A1
Temporary equity, shares authorized (in shares)		80,000,000	72,000,000
Temporary equity, shares issued (in shares)		28,932,457	30,965,138
Series M1
Temporary equity, shares authorized (in shares)		80,000,000	72,000,000
Temporary equity, shares issued (in shares)		1,788,851	3,681,591
Series M2
Temporary equity, shares authorized (in shares)		80,000,000	72,000,000
Temporary equity, shares issued (in shares)		0	0
Temporary equity, shares outstanding (in shares)		0	0
Series AA1
Temporary equity, shares authorized (in shares)		20,000,000	20,000,000
Temporary equity, shares issued (in shares)		0	0
Temporary equity, shares outstanding (in shares)		0	0
Series MM1
Temporary equity, shares authorized (in shares)		20,000,000	20,000,000
Temporary equity, shares issued (in shares)		0	0
Temporary equity, shares outstanding (in shares)		0	0
Series A2
Temporary equity, shares authorized (in shares)		1,000,000	1,000,000
Temporary equity, shares issued (in shares)		164,000	164,000
Temporary equity, shares outstanding (in shares)		164,000	164,000
Series A
Temporary equity, shares authorized (in shares)		6,900,000	6,900,000
Temporary equity, shares issued (in shares)		5,251,157	5,962,654
Temporary equity, shares outstanding (in shares)		5,251,157	5,962,654
Series A3
Temporary equity, shares authorized (in shares)		80,000,000	72,000,000
Temporary equity, shares issued (in shares)		24,810,648	18,829,837
Temporary equity, shares outstanding (in shares)		24,810,648	18,829,837
Series M3
Temporary equity, shares authorized (in shares)		80,000,000	72,000,000
Temporary equity, shares issued (in shares)		3,351,101	2,498,788
Temporary equity, shares outstanding (in shares)		3,351,101	2,498,788
Series A4
Temporary equity, shares authorized (in shares)		80,000,000	0
Temporary equity, shares issued (in shares)		3,766,166	0
Temporary equity, shares outstanding (in shares)		3,766,166	0
Series M4
Temporary equity, shares authorized (in shares)		80,000,000	0
Temporary equity, shares issued (in shares)		1,401,747	0
Temporary equity, shares outstanding (in shares)		1,401,747	0
Series AA2
Temporary equity, shares authorized (in shares)		20,000,000	20,000,000
Temporary equity, shares issued (in shares)		0	0
Temporary equity, shares outstanding (in shares)		0	0
Series MM2
Temporary equity, shares authorized (in shares)		20,000,000	20,000,000
Temporary equity, shares issued (in shares)		0	0
Temporary equity, shares outstanding (in shares)		0	0
Convertible Notes
Unamortized discount and debt issuance costs		$ 649	$ 1,577
Public Notes
Unamortized discount and debt issuance costs		12,433	17,103
Prospect Capital InterNotes®
Unamortized discount and debt issuance costs		7,999	6,688
Control Investments
Investments, cost	[1]	3,280,415	2,988,496
Non-controlled/Affiliated
Investments, cost		11,594	8,855
Non-Control/ Non-Affiliate Investments
Investments, cost		$ 4,155,165	$ 4,803,245

[1] As defined in the 1940 Act, we are deemed to “Control” these portfolio companies because we own more than 25% of the portfolio company’s outstanding voting securities. Transactions during the year ended June 30, 2024 with these controlled investments were as follows: Controlled CompaniesFair Value at June 30, 2023Gross Additions (Cost)(A)Gross Reductions (Cost)(B)Net unrealized
gains (losses)Fair Value at June 30, 2024Interest
incomeDividend
incomeOther
incomeNet realized
gains (losses)CP Energy Services Inc.$79,355 $11,355 $— $(19,989)$70,721 $11,452 $— $— $— CP Energy - Spartan Energy Services, Inc.34,665 8,523 — (3,703)39,485 4,840 — — — Credit Central Loan Company, LLC73,642 5,987 — (399)79,230 9,312 — — — Echelon Transportation, LLC64,198 — (1,861)4,586 66,923 3,470 — — — First Tower Finance Company LLC598,382 29,385 (319)(21,520)605,928 62,675 — — — Freedom Marine Solutions, LLC12,710 — — (59)12,651 — — — — InterDent, Inc.457,967 23,249 — (17,333)463,883 36,946 — — — Kickapoo Ranch Pet Resort3,242 1,500 — — 4,742 92 80 75 — MITY, Inc.68,178 5,150 — 12,255 85,583 8,988 — 130 (1)National Property REIT Corp.1,659,976 253,948 (108,950)(108,512)1,696,462 99,538 — 66,799 — Nationwide Loan Company LLC47,572 9,972 — (14,382)43,162 5,111 — 147 — NMMB, Inc.94,180 — — 85 94,265 4,255 657 — 1,040 Pacific World Corporation65,746 41,521 — (2,604)104,663 10,164 — 812 — R-V Industries, Inc.81,508 3,700 — 17,194 102,402 5,358 — 106 — Universal Turbine Parts, LLC45,065 2,500 (49)20,551 68,067 4,030 — — — USES Corp.19,527 1,545 — (3,083)17,989 1,990 — — — Valley Electric Company, Inc.165,784 4,763 — 145,872 316,419 12,316 — 666 — Total$3,571,697 $403,098 $(111,179)$8,959 $3,872,575 $280,537 $737 $68,735 $1,039  (A) Gross additions include increases in the cost basis of the investments resulting from new portfolio investments, OID accretion and PIK interest, and any transfer of investments. (B) Gross reductions include decreases in the cost basis of investments resulting from principal collections related to investments repayments or sales, impairments, and any transfer of investments.