Lord Abbett

Quarterly Portfolio Holdings Report

Lord Abbett
Alpha Strategy Fund
Durable Growth Fund
Focused Growth Fund
Focused Large Cap Value Fund
Focused Small Cap Value Fund
Fundamental Equity Fund
Global Equity Research Fund
Growth Leaders Fund
Health Care Fund
International Equity Fund
International Opportunities Fund
International Value Fund
Micro Cap Growth Fund
Value Opportunities Fund

For the period ended July 31, 2021

Schedule of Investments (unaudited)

LORD ABBETT SECURITIES TRUST – ALPHA STRATEGY FUND July 31, 2021

Investments	Shares		Fair Value (000)
INVESTMENTS IN UNDERLYING FUNDS(a)(b) 100.01%
Lord Abbett Developing Growth Fund, Inc. - Class I*(c)		4,278,783	$	171,322
Lord Abbett Securities Trust-Focused Small Cap Value Fund - Class I(d)		2,830,379		90,176
Lord Abbett Securities Trust - International Opportunities Fund - Class I*(d)		8,148,292		180,485
Lord Abbett Securities Trust - Micro-Cap Growth Fund - Class I*(d)		3,533,626		82,369
Lord Abbett Research Fund, Inc. - Small Cap Value Fund - Class I(d)		8,040,165		177,044
Lord Abbett Securities Trust - Value Opportunities Fund - Class I(d)		7,736,482		183,664
Total Investments in Underlying Funds (cost $701,325,351)				885,060

Investments	Principal Amount (000)		Fair Value (000)
SHORT-TERM INVESTMENTS 0.09%
Repurchase Agreements
Repurchase Agreement dated 7/30/2021, 0.00% due 8/2/2021 with Fixed Income Clearing Corp. collateralized by $802,300 of U.S. Treasury Note at 0.375% due 07/15/2024; value: $802,548; proceeds: $786,754 (cost $786,754)	$	787	$	787
Total Investments in Securities 100.10% (cost $702,112,105)				885,847
Other Assets and Liabilities - Net (0.10%)				(869	)
Net Assets 100.00%			$	884,978

*	Non-income producing security.
(a)	Affiliated issuers.
(b)	These investments offer daily redemptions.
(c)	Fund investment objective is long-term growth of capital through a diversified and actively managed portfolio consisting of developing growth companies, many of which are traded over the counter.
(d)	Fund investment objective is long-term capital appreciation.

The following is a summary of the inputs used as of July 31, 2021 in valuing the Fund’s investments carried at fair value⁽¹⁾:

Investment Type(2)	Level 1 (000)		Level 2 (000)		Level 3 (000)		Total (000)
Investments in Underlying Funds	$	885,060	$	–	$	–	$	885,060
Short-Term Investments
Repurchase Agreements		–		787		–		787
Total	$	885,060	$	787	$	–	$	885,847

(1)	Refer to Note 2(b) for a description of fair value measurements and the three-tier hierarchy of inputs.
(2)	See Schedule of Investments for fair values in each investment in Underlying Funds.

A reconciliation of Level 3 investments is presented when the Fund has a material amount of Level 3 investments at the beginning or end of the period in relation to the Fund’s net assets.

See Notes to Schedule of Investments. 1

Schedule of Investments (unaudited)

LORD ABBETT SECURITIES TRUST – DURABLE GROWTH FUND July 31, 2021

Investments	Shares		Fair Value (000)
COMMON STOCKS 98.68%
Aerospace & Defense 2.19%
Airbus SE*(a)	EUR	12,648	$	1,735
CAE, Inc. (Canada)*(b)		76,175		2,326
TransDigm Group, Inc.*		4,955		3,176
Total				7,237
Automobiles 0.90%
Tesla, Inc.*		4,347		2,987
Banks 0.98%
First Republic Bank		16,541		3,226
Beverages 1.84%
Brown Forman Corp. Class B		19,805		1,405
Coca-Cola Co. (The)		82,138		4,684
Total				6,089
Biotechnology 2.00%
Genmab A/S ADR*		49,939		2,250
Natera, Inc.*		21,862		2,504
Seagen, Inc.*		12,241		1,878
Total				6,632
Capital Markets 0.82%
Moody’s Corp.		7,206		2,710
Chemicals 0.95%
Air Products & Chemicals, Inc. 10,770				3,134
Construction Materials 0.98%
Vulcan Materials Co.		17,970		3,234
Containers & Packaging 1.16%
Avery Dennison Corp.		9,748		2,054
Ball Corp.		22,026		1,781
Total				3,835
Entertainment 2.75%
Activision Blizzard, Inc.		23,346		1,952
Netflix, Inc.*		9,733		5,038
Walt Disney Co. (The)*		11,893		2,093
Total				9,083

Investments	Shares		Fair Value (000)
Equity Real Estate Investment Trusts 1.62%
SBA Communications Corp.		15,669	$	5,343
Food & Staples Retailing 0.71%
Walmart, Inc.		16,429		2,342
Health Care Equipment & Supplies 6.12%
Align Technology, Inc.*		6,388		4,445
Danaher Corp.		11,948		3,554
DexCom, Inc.*		7,333		3,780
Intuitive Surgical, Inc.*		3,728		3,696
West Pharmaceutical Services, Inc.		5,924		2,439
Zimmer Biomet Holdings, Inc.		14,207		2,322
Total				20,236
Health Care Technology 0.51%
Veeva Systems, Inc. Class A*		5,105		1,699
Hotels, Restaurants & Leisure 1.89%
Airbnb, Inc. Class A*		3,829		551
Chipotle Mexican Grill, Inc.*		1,994		3,716
Hilton Worldwide Holdings, Inc.*		15,115		1,987
Total				6,254
Industrial Conglomerates 1.50%
Honeywell International, Inc.		11,171		2,612
Roper Technologies, Inc.		4,754		2,336
Total				4,948
Information Technology Services 9.78%
Fidelity National Information
Services, Inc.		24,743		3,688
Genpact Ltd.		52,675		2,624
Global Payments, Inc.		10,738		2,077
Mastercard, Inc. Class A		21,942		8,468
PayPal Holdings, Inc.*		29,777		8,204
Twilio, Inc. Class A*		7,470		2,791
Visa, Inc. Class A		18,192		4,482
Total				32,334

2 See Notes to Schedule of Investments.

Schedule of Investments (unaudited)(continued)

LORD ABBETT SECURITIES TRUST – DURABLE GROWTH FUND July 31, 2021

Investments	Shares		Fair Value (000)
Interactive Media & Services 12.84%
Alphabet, Inc. Class A*		7,759	$	20,907
Facebook, Inc. Class A*		42,200		15,036
Match Group, Inc.*		21,417		3,411
Snap, Inc. Class A*		41,846		3,114
Total				42,468
Internet & Direct Marketing Retail 7.55%
Amazon.com, Inc.*		7,501		24,960
Life Sciences Tools & Services 0.77%
Repligen Corp.*		10,400		2,555
Machinery 0.78%
Stanley Black & Decker, Inc.		13,028		2,567
Personal Products 1.16%
Estee Lauder Cos., Inc. (The) Class A		11,498		3,838
Pharmaceuticals 3.80%
AstraZeneca plc ADR		39,007		2,233
Eli Lilly & Co.		22,481		5,474
Zoetis, Inc.		24,049		4,875
Total				12,582
Road & Rail 1.94%
Norfolk Southern Corp.		9,330		2,406
Old Dominion Freight Line, Inc.		11,853		3,190
Uber Technologies, Inc.*		19,144		832
Total				6,428
Semiconductors & Semiconductor Equipment 6.84%
Analog Devices, Inc.		21,200		3,549
Lam Research Corp.		6,475		4,127
NVIDIA Corp.		49,884		9,727
NXP Semiconductors NV (Netherlands)(b)		12,159		2,510
QUALCOMM, Inc.		18,166		2,721
Total				22,634

Investments	Shares		Fair Value (000)
Software 15.85%
DocuSign, Inc.*		8,097	$	2,413
Microsoft Corp.		113,389		32,306
RingCentral, Inc. Class A*		14,074		3,762
salesforce.com, Inc.*		27,446		6,640
ServiceNow, Inc.*		8,830		5,191
Splunk, Inc.*		14,245		2,022
UiPath, Inc. Class A*(c)		1,345		84
Total				52,418
Specialty Retail 3.40%
Burlington Stores, Inc.*		13,641		4,567
Home Depot, Inc. (The)		20,318		6,668
Total				11,235
Technology Hardware, Storage & Peripheral 5.02%
Apple, Inc.		113,739		16,590
Textiles, Apparel & Luxury Goods 2.03%
NIKE, Inc. Class B		40,050		6,709
Total Common Stocks (cost $268,909,819)				326,307
	Principal Amount (000)
SHORT-TERM INVESTMENTS 1.40%
Repurchase Agreements 1.02%
Repurchase Agreement dated 7/30/2021, 0.00% due 8/2/2021 with Fixed Income Clearing Corp. collateralized by $4,647,900 of U.S. Treasury Note at 0.375% due 07/15/2024; value: $4,649,336; proceeds: $4,558,116 (cost $4,558,116)	$	4,558		4,558

See Notes to Schedule of Investments. 3

Schedule of Investments (unaudited)(concluded)

LORD ABBETT SECURITIES TRUST – DURABLE GROWTH FUND July 31, 2021

Investments	Shares		Fair Value (000)
Money Market Funds 0.02%
Fidelity Government Portfolio(d) (cost $77,144)		77,144	$	77
Time Deposits 0.00%
CitiBank N.A.(d) (cost $8,572)		8,572		9
Total Short-Term Investments (cost $4,643,832)				4,644
Total Investments in Securities 100.18% (cost $273,553,651)				330,951
Other Assets and Liabilities - Net (0.08)%				(272	)
Net Assets 100.00%			$	330,679

EUR	Euro Currency.
ADR	American Depositary Receipt.
*	Non-income producing security.
(a)	Investment in non-U.S. dollar denominated securities.
(b)	Foreign security traded in U.S. dollars.
(c)	All or a portion of this security is temporarily on loan to unaffiliated broker/dealers.
(d)	Security was purchased with the cash collateral from loaned securities.

The following is a summary of the inputs used as of July 31, 2021 in valuing the Fund’s investments carried at fair value⁽¹⁾:

Investment Type(2)	Level 1 (000)		Level 2 (000)		Level 3 (000)		Total (000)
Common Stocks
Auto Parts: Original Equipment	$	146,888	$	1,735	$	–	$	148,623
Remaining Industries		177,684		–		–		177,684
Short-Term Investments
Repurchase Agreements		–		4,558		–		4,558
Money Market Funds		77		–		–		77
Time Deposits		–		9		–		9
Total	$	324,649	$	6,302	$	–	$	330,951

(1)	Refer to Note 2(b) for a description of fair value measurements and the three-tier hierarchy of inputs.
(2)	See Schedule of Investments for fair values in each industry and identification of foreign issuers and/or geography. The table above is presented by Investment Type. Industries are presented within an Investment Type should such Investment Type include securities classified as two or more levels within the three-tier fair value hierarchy.

A reconciliation of Level 3 investments is presented when the Fund has a material amount of Level 3 investments at the beginning or end of the period in relation to the Fund’s net assets.

4 See Notes to Schedule of Investments.

Schedule of Investments (unaudited)

LORD ABBETT SECURITIES TRUST – FOCUSED GROWTH FUND July 31, 2021

Investments	Shares		Fair Value (000)
COMMON STOCKS 98.37%
Aerospace & Defense 3.12%
Axon Enterprise, Inc.*		8,579	$	1,596
Apparel 3.13%
NIKE, Inc. Class B		9,579		1,605
Banks 1.24%
SVB Financial Group*		1,155		635
Biotechnology 1.09%
Intellia Therapeutics, Inc.*		3,927		557
Business Services 2.29%
PayPal Holdings, Inc.*		4,252		1,172
Commercial Services & Supplies 2.06%
Copart, Inc.*		7,177		1,055
Computer Hardware 7.32%
Apple, Inc.		18,375		2,680
EPAM Systems, Inc.*		1,904		1,066
Total				3,746
Computer Software 12.28%
DocuSign, Inc.*		3,772		1,124
HubSpot, Inc.*		1,683		1,003
Microsoft Corp.		14,601		4,160
Total				6,287
Electrical Equipment 11.14%
Advanced Micro Devices, Inc.*		15,050		1,598
Applied Materials, Inc.		11,302		1,582
NVIDIA Corp.		12,940		2,523
Total				5,703
Electrical: Household 2.98%
Generac Holdings, Inc.*		3,640		1,527
Electronic Equipment, Instruments & Components 3.06%
Trimble, Inc.*		18,328		1,567

Investments	Shares		Fair Value (000)
Entertainment 1.96%
Live Nation Entertainment, Inc.*		12,732	$	1,004
Health Care Equipment & Supplies 2.46%
IDEXX Laboratories, Inc.*		1,858		1,261
Health Care Products 6.43%
Align Technology, Inc.*		2,670		1,858
Intuitive Surgical, Inc.*		1,447		1,434
Total				3,292
Information Technology Services 2.10%
Visa, Inc. Class A		4,375		1,078
Interactive Media & Services 1.69%
Match Group, Inc.*		5,418		863
Personal Products 1.79%
Estee Lauder Cos., Inc. (The) Class A		2,745		916
Road & Rail 0.81%
Uber Technologies, Inc.*		9,567		416
Semiconductors & Semiconductor Equipment 1.86%
Lam Research Corp.		1,494		952
Software 2.90%
Crowdstrike Holdings, Inc. Class A*		5,859		1,486
Specialty Retail 2.02%
Home Depot, Inc. (The)		3,155		1,036
Technology 24.64%
Alphabet, Inc. Class A*		1,629		4,389
Amazon.com, Inc.*		359		1,195
Facebook, Inc. Class A*		7,875		2,806
Roku, Inc.*		3,068		1,314
Shopify, Inc. Class A (Canada)*(a)		756		1,134
Snap, Inc. Class A*		23,950		1,782
Total				12,620
Total Common Stocks (cost $41,578,289)				50,374

See Notes to Schedule of Investments. 5

Schedule of Investments (unaudited)(concluded)

LORD ABBETT SECURITIES TRUST – FOCUSED GROWTH FUND July 31, 2021

Investments	Principal Amount (000)		Fair Value (000)
SHORT-TERM INVESTMENTS 1.88%
Repurchase Agreements
Repurchase Agreement dated 7/30/2021, 0.00% due 8/2/2021 with Fixed Income Clearing Corp. collateralized by $935,000 of U.S. Treasury Note at 2.625% due 06/30/2023; value: $980,500; proceeds: $961,211 (cost $961,211)	$	961	$	961
Total Investments in Securities 100.25% (cost $42,539,500)				51,335
Other Assets and Liabilities - Net (0.25)%				(127	)
Net Assets 100.00%			$	51,208

*	Non-income producing security.
(a)	Foreign security traded in U.S. dollars.

The following is a summary of the inputs used as of July 31, 2021 in valuing the Fund’s investments carried at fair value⁽¹⁾:

Investment Type(2)	Level 1 (000)		Level 2 (000)		Level 3 (000)		Total (000)
Common Stocks	$	50,374	$	–	$	–	$	50,374
Short-Term Investments
Repurchase Agreements		–		961		–		961
Total	$	50,374	$	961	$	–	$	51,335

(1)	Refer to Note 2(b) for a description of fair value measurements and the three-tier hierarchy of inputs.
(2)	See Schedule of Investments for fair values in each industry and identification of foreign issuers and/or geography.

A reconciliation of Level 3 investments is presented when the Fund has a material amount of Level 3 investments at the beginning or end of the period in relation to the Fund’s net assets.

6 See Notes to Schedule of Investments.

Schedule of Investments (unaudited)

LORD ABBETT SECURITIES TRUST – FOCUSED LARGE CAP VALUE FUND July 31, 2021

COMMON STOCKS 99.00%
Aerospace & Defense 6.28%
Lockheed Martin Corp.	47,030	$	17,480
Raytheon Technologies Corp.	236,290		20,545
Total			38,025
Automobiles 3.13%
General Motors Co.*	333,830		18,975
Banks 9.84%
CIT Group, Inc.	463,944		22,381
Citigroup, Inc.	291,742		19,728
Wells Fargo & Co.	381,350		17,519
Total			59,628
Biotechnology 3.19%
AbbVie, Inc.	166,400		19,352
Building Products 2.68%
Masco Corp.	272,470		16,269
Capital Markets 9.59%
Ameriprise Financial, Inc.	87,506		22,538
Invesco Ltd.	602,028		14,678
KKR & Co., Inc.	327,390		20,874
Total			58,090
Chemicals 2.80%
Dow, Inc.	272,767		16,955
Electric: Utilities 3.46%
NRG Energy, Inc.	507,670		20,936
Energy Equipment &Services 1.48%
Schlumberger NV	310,140		8,941
Health Care Providers & Services 7.69%
CVS Health Corp.	216,282		17,813
McKesson Corp.	79,440		16,192
Universal Health Services, Inc. Class B	78,306		12,561
Total			46,566

Hotels, Restaurants & Leisure 3.31%
Caesars Entertainment, Inc.*	229,890	$	20,083
Household Products 2.78%
Spectrum Brands Holdings, Inc.	192,742		16,836
Information Technology Services 5.82%
Euronet Worldwide, Inc.*	135,760		19,389
Sabre Corp.*	1,348,570		15,900
Total			35,289
Insurance 6.07%
Fidelity National
Financial, Inc.	439,150		19,591
Hartford Financial Services Group, Inc. (The)	270,200		17,190
Total			36,781
Interactive Media & Services 3.56%
Facebook, Inc. Class A*	60,480		21,549
Machinery 2.57%
Allison Transmission Holdings, Inc.	389,490		15,545
Media 5.94%
Comcast Corp. Class A	292,670		17,218
Nexstar Media Group, Inc. Class A	127,541		18,757
Total			35,975
Oil, Gas & Consumable Fuels 4.96%
Marathon Petroleum Corp.	161,220		8,903
Pioneer Natural Resources Co.	82,810		12,038
Royal Dutch Shell plc Class A ADR	224,196		9,107
Total			30,048
Pharmaceuticals 2.40%
Bristol-Myers Squibb Co.	214,690		14,571
Software 3.32%
McAfee Corp. Class A	742,560		20,101

See Notes to Schedule of Investments. 7

Schedule of Investments (unaudited)(concluded)

LORD ABBETT SECURITIES TRUST – FOCUSED LARGE CAP VALUE FUND July 31, 2021

Investments	Shares		Fair Value (000)
Specialty Retail 5.54%
Lowe’s Cos., Inc.		92,758	$	17,874
TJX Cos., Inc. (The)		228,430		15,718
Total				33,592
Tobacco 2.59%
Philip Morris International, Inc.		156,780		15,692
Total Common Stocks (cost $480,199,889)			$	599,799

Investments	Principal Amount (000)		Fair Value (000)
SHORT-TERM INVESTMENTS 0.86%
Repurchase Agreements
Repurchase Agreement dated 7/30/2021, 0.00% due 8/2/2021 with Fixed Income Clearing Corp. collateralized by $5,093,400 of U.S. Treasury Note at 2.625% due 06/30/2023; value: $5,341,260; proceeds: $5,236,493 (cost $5,236,493)	$	5,236	$	5,236
Total Investments in Securities 99.86% (cost $485,436,382)				605,035
Other Assets and Liabilities - Net 0.14%				836
Net Assets 100.00%			$	605,871

ADR	American Depositary Receipt.
*	Non-income producing security.

The following is a summary of the inputs used as of July 31, 2021 in valuing the Fund’s investments carried at fair value⁽¹⁾:

Investment Type(2)	Level 1 (000)		Level 2 (000)		Level 3 (000)		Total (000)
Common Stocks	$	599,799	$	–	$	–	$	599,799
Short-Term Investments
Repurchase Agreements		–		5,236		–		5,236
Total	$	599,799	$	5,236	$	–	$	605,035

(1)	Refer to Note 2(b) for a description of fair value measurements and the three-tier hierarchy of inputs.
(2)	See Schedule of Investments for fair values in each industry and identification of foreign issuers and/or geography.

A reconciliation of Level 3 investments is presented when the Fund has a material amount of Level 3 investments at the beginning or end of the period in relation to the Fund’s net assets.

8 See Notes to Schedule of Investments.

Schedule of Investments (unaudited)

LORD ABBETT SECURITIES TRUST – FOCUSED SMALL CAP VALUE FUND July 31, 2021

Investments	Shares		Fair Value (000)
COMMON STOCKS 99.54%
Airlines 1.68%
Hawaiian Holdings, Inc.*		199,159	$	3,929
Auto Components 2.11%
American Axle & Manufacturing Holdings, Inc.*		508,059		4,923
Banks 13.08%
Bancorp, Inc. (The)*		288,487		6,742
BankUnited, Inc.		124,400		4,924
Customers Bancorp, Inc.*		126,692		4,589
Pacific Premier Bancorp, Inc.		123,900		4,706
TriState Capital Holdings, Inc.*		226,089		4,592
Western Alliance Bancorp		53,573		4,972
Total				30,525
Building Products 2.42%
Masonite International Corp.* 49,844				5,640
Capital Markets 4.71%
Sculptor Capital Management, Inc.		228,834		5,314
Victory Capital Holdings, Inc. Class A		186,569		5,688
Total				11,002
Commercial Services & Supplies 5.04%
RR Donnelley & Sons Co.*		1,157,892		7,086
SP Plus Corp.*		142,618		4,677
Total				11,763
Containers & Packaging 2.04%
Pactiv Evergreen, Inc.		328,400		4,752
Electrical Equipment 2.32%
GrafTech International Ltd.		477,017		5,424
Electronic Equipment, Instruments & Components 1.82%
Avnet, Inc.		103,086		4,259
Energy Equipment & Services 2.39%
Valaris Ltd.*		206,051		5,584

Investments	Shares		Fair Value (000)
Entertainment 1.95%
Marcus Corp. (The)*		283,169	$	4,550
Equity Real Estate Investment Trusts 4.08%
Outfront Media, Inc.*		156,067		3,728
Sunstone Hotel Investors, Inc.*		503,172		5,807
Total				9,535
Health Care Equipment & Supplies 1.49%
NuVasive, Inc.*		54,400		3,479
Hotels, Restaurants & Leisure 1.68%
Bally’s Corp.*		79,702		3,925
Household Durables 1.72%
Purple Innovation, Inc.*		152,373		4,013
Household Products 2.41%
Spectrum Brands Holdings, Inc.		64,527		5,636
Information Technology Services 4.95%
Alliance Data Systems Corp.		47,457		4,426
International Money Express, Inc.*		439,977		7,123
Total				11,549
Insurance 5.60%
American Equity Investment Life Holding Co.		156,673		5,028
Axis Capital Holdings Ltd.		62,500		3,179
Stewart Information Services Corp.		82,325		4,858
Total				13,065
Interactive Media & Services 1.87%
Cars.com, Inc.*		361,057		4,362
Machinery 5.47%
Blue Bird Corp.*		212,400		5,310
Columbus McKinnon Corp.		97,700		4,533
Miller Industries, Inc.		77,811		2,919
Total				12,762
Media 2.03%
EW Scripps Co. (The) Class A		248,100		4,734

See Notes to Schedule of Investments. 9

Schedule of Investments (unaudited)(continued)

LORD ABBETT SECURITIES TRUST – FOCUSED SMALL CAP VALUE FUND July 31, 2021

Investments	Shares		Fair Value (000)
Metals & Mining 1.40%
Lundin Mining Corp.(a)	CAD	359,000	$	3,272
Oil Field Equipment & Services 1.41%
International Seaways, Inc.		200,001		3,290
Oil, Gas & Consumable Fuels 5.54%
Centennial Resource Development, Inc. Class A*		657,879		3,428
Chesapeake Energy Corp.		21,279		1,150
MEG Energy Corp.*(a)	CAD	663,800		4,235
Par Pacific Holdings, Inc.*		251,208		4,115
Total				12,928
Professional Services 1.10%
TrueBlue, Inc.*		94,186		2,561
Real Estate Management & Development 2.26%
Realogy Holdings Corp.*		297,075		5,264
Semiconductors & Semiconductor Equipment 2.52%
Silicon Motion Technology Corp. ADR		78,602		5,894
Specialty Retail 4.38%
JOANN, Inc.(b)		302,230		4,673
Sally Beauty Holdings, Inc.*		293,669		5,556
Total				10,229
Technology Hardware, Storage & Peripherals 1.69%
Diebold Nixdorf, Inc.*		378,384		3,939
Thrifts & Mortgage Finance 5.64%
Axos Financial, Inc.*		105,016		5,025
Essent Group Ltd.		74,200		3,352
Flagstar Bancorp, Inc.		104,600		4,786
Total				13,163
Tobacco 2.74%
Turning Point Brands, Inc.		120,571		6,393
Total Common Stocks (cost $199,202,986)				232,344

Investments	Principal Amount (000)		Fair Value (000)
SHORT-TERM INVESTMENTS 0.83%
Repurchase Agreements 0.60%
Repurchase Agreement dated 7/30/2021, 0.00% due 8/2/2021 with Fixed Income Clearing Corp. collateralized by $1,341,400 of U.S. Treasury Note at 2.625% due 12/31/2023; value: $1,420,301; proceeds: $1,392,452 (cost $1,392,452)	$	1,393	$	1,393
	Shares
Money Market Funds 0.21%
Fidelity Government Portfolio(c) (cost $504,000)		504,000		504
Time Deposits 0.02%
CitiBank N.A.(c) (cost $56,000)		56,000		56
Total Short-Term Investments (cost $1,952,452)				1,953
Total Investments in Securities 100.37% (cost $201,155,438)				234,297
Other Assets and Liabilities – Net (0.37)%				(872	)
Net Assets 100.00%			$	233,425

ADR	American Depositary Receipt.
CAD	Canadian dollar.
*	Non-income producing security.
(a)	Investment in non-U.S. dollar denominated securities.
(b)	All or a portion of this security is temporarily on loan to unaffiliated broker/dealers.
(c)	Security was purchased with the cash collateral from loaned securities.

10 See Notes to Schedule of Investments.

Schedule of Investments (unaudited)(concluded)

LORD ABBETT SECURITIES TRUST – FOCUSED SMALL CAP VALUE FUND July 31, 2021

The following is a summary of the inputs used as of July 31, 2021 in valuing the Fund’s investments carried at fair value⁽¹⁾:

Investment Type(2)	Level 1 (000)		Level 2 (000)		Level 3 (000)		Total (000)
Common Stocks	$	232,344	$	–	$	–	$	232,344
Short-Term Investments
Repurchase Agreements		–		1,393		–		1,393
Money Market Funds		504		–		–		504
Time Deposits		–		56		–		56
Total	$	232,848	$	1,449	$	–	$	234,297

(1)	Refer to Note 2(b) for a description of fair value measurements and the three-tier hierarchy of inputs.
(2)	See Schedule of Investments for fair values in each industry and identification of foreign issuers and/or geography.

A reconciliation of Level 3 investments is presented when the Fund has a material amount of Level 3 investments at the beginning or end of the period in relation to the Fund’s net assets.

See Notes to Schedule of Investments. 11

Schedule of Investments (unaudited)

LORD ABBETT SECURITIES TRUST – FUNDAMENTAL EQUITY FUND July 31, 2021

Investments	Shares		Fair Value (000)
COMMON STOCKS 99.43%
Aerospace & Defense 3.88%
Lockheed Martin Corp.		87,790	$	32,629
Raytheon Technologies Corp.		485,460		42,211
Total				74,840
Automobiles 1.88%
General Motors Co.*		638,730		36,305
Banks 8.94%
CIT Group, Inc.		684,650		33,027
Citigroup, Inc.		530,940		35,902
East West Bancorp, Inc.		443,030		31,522
Wells Fargo & Co.		834,130		38,320
Western Alliance Bancorp		360,610		33,472
Total				172,243
Beverages 0.99%
PepsiCo, Inc.		121,530		19,074
Biotechnology 1.68%
AbbVie, Inc.		166,520		19,366
Vertex Pharmaceuticals, Inc.*		64,780		13,059
Total				32,425
Biotechnology Research & Production 0.69%
Biogen, Inc.*		40,820		13,337
Building Products 1.46%
Masco Corp.		472,130		28,191
Capital Markets 5.91%
Ameriprise Financial, Inc.		131,780		33,941
Blackstone Group, Inc. (The)		325,780		37,553
Morgan Stanley		442,170		42,439
Total				113,933
Chemicals 2.85%
Dow, Inc.		401,850		24,979
PPG Industries, Inc.		182,930		29,913
Total				54,892

Investments	Shares		Fair Value (000)
Construction & Engineering 1.00%
EMCOR Group, Inc.		157,670	$	19,206
Consumer Finance 1.23%
American Express Co.		138,440		23,608
Diversified Financial Services 1.54%
Equitable Holdings, Inc.		961,410		29,679
Electric: Utilities 2.87%
Edison International		257,080		14,011
NextEra Energy, Inc.		196,300		15,292
NRG Energy, Inc.		631,440		26,040
Total				55,343
Equity Real Estate Investment Trusts 2.13%
Alexandria Real Estate Equities, Inc.		99,320		19,997
Prologis, Inc.		164,510		21,064
Total				41,061
Food & Staples Retailing 1.08%
BJ’s Wholesale Club Holdings, Inc.*		408,820		20,703
Health Care Equipment & Supplies 3.36%
Medtronic plc (Ireland)(a)		304,470		39,980
Zimmer Biomet Holdings, Inc.		151,010		24,678
Total				64,658
Health Care Providers & Services 5.33%
CVS Health Corp.		355,420		29,272
McKesson Corp.		94,580		19,278
UnitedHealth Group, Inc.		131,230		54,096
Total				102,646
Hotels, Restaurants & Leisure 1.67%
Caesars Entertainment, Inc.*		368,620		32,203
Household Products 2.72%
Procter & Gamble Co. (The)		368,670		52,436

12 See Notes to Schedule of Investments.

Schedule of Investments (unaudited)(continued)

LORD ABBETT SECURITIES TRUST – FUNDAMENTAL EQUITY FUND July 31, 2021

Investments	Shares		Fair Value (000)
Insurance 4.17%
American International Group, Inc.		697,290	$	33,017
Arch Capital Group Ltd.*		498,130		19,427
Fidelity National Financial, Inc.		627,400		27,988
Total				80,432
Interactive Media & Services 3.53%
Alphabet, Inc. Class A*		19,440		52,382
Facebook, Inc. Class A*		43,750		15,588
Total				67,970
Life Sciences Tools & Services 0.86%
Thermo Fisher Scientific, Inc.		30,650		16,551
Machinery 1.90%
Allison Transmission Holdings, Inc.		669,590		26,723
Westinghouse Air Brake Technologies Corp.		116,710		9,905
Total				36,628
Media 3.94%
Comcast Corp. Class A		725,340		42,672
Fox Corp. Class A		549,200		19,584
Nexstar Media Group, Inc. Class A		93,290		13,720
Total				75,976
Metals & Mining 0.94%
Reliance Steel & Aluminum Co.		115,370		18,130
Multi-Utilities 1.01%
CMS Energy Corp.		313,380		19,364
Oil, Gas & Consumable Fuels 5.81%
Chesapeake Energy Corp.		351,800		19,015
Marathon Petroleum Corp.		446,260		24,642
Pioneer Natural Resources Co.		186,160		27,062
Royal Dutch Shell plc Class A ADR		584,460		23,741

Investments	Shares		Fair Value (000)
Oil, Gas & Consumable Fuels (continued)
Total SE ADR		399,030	$	17,410
Total				111,870
Personal Products 1.44%
Unilever plc(b)	GBP	482,190		27,751
Pharmaceuticals 5.61%
Bristol-Myers Squibb Co.		582,660		39,545
Eli Lilly & Co.		72,810		17,729
Organon & Co.*		963,140		27,941
Sanofi(b)	EUR	221,880		22,870
Total				108,085
Real Estate Investment Trusts 0.77%
Host Hotels & Resorts, Inc.*		935,540		14,903
Road & Rail 1.36%
Norfolk Southern Corp.		101,440		26,154
Semiconductors & Semiconductor Equipment 4.26%
KLA Corp.		29,660		10,326
Micron Technology, Inc.*		172,780		13,404
Taiwan Semiconductor Manufacturing Co., Ltd. ADR		188,130		21,944
Texas Instruments, Inc.		190,730		36,357
Total				82,031
Software 3.05%
Microsoft Corp.		105,950		30,186
Oracle Corp.		328,455		28,622
Total				58,808
Specialty Retail 2.86%
Lowe’s Cos., Inc.		159,420		30,719
TJX Cos., Inc. (The)		355,400		24,455
Total				55,174
Technology Hardware, Storage & Peripherals 3.00%
Apple, Inc.		204,380		29,811
NetApp, Inc.		350,380		27,887
Total				57,698

See Notes to Schedule of Investments. 13

Schedule of Investments (unaudited)(concluded)

LORD ABBETT SECURITIES TRUST – FUNDAMENTAL EQUITY FUND July 31, 2021

Investments	Shares		Fair Value (000)
Tobacco 1.06%
Philip Morris International, Inc.		204,670	$	20,485
Trading Companies & Distributors 1.55%
AerCap Holdings NV (Ireland)*(a)		564,320		29,909
Wireless Telecommunication Services 1.10%
T-Mobile US, Inc.*		146,800		21,142
Total Common Stocks (cost $1,470,288,104)				1,915,844

Investments	Principal Amount (000)		Fair Value (000)
SHORT-TERM INVESTMENTS 0.49%
Repurchase Agreements
Repurchase Agreement dated 7/30/2021, 0.00% due 8/2/2021 with Fixed Income Clearing Corp. collateralized by $9,547,400 of U.S. Treasury Note at 0.375% due 07/15/2024; value: $9,550,349; proceeds: $9,363,044 (cost $9,363,044)	$	9,363	$	9,363
Total Investments in Securities 99.92% (cost $1,479,651,148)				1,925,207
Other Assets and Liabilities – Net 0.08%				1,566
Net Assets 100.00%			$	1,926,773

ADR	American Depositary Receipt.
EUR	Euro.
GBP	British pound.
*	Non-income producing security.
(a)	Foreign security traded in U.S. dollars.
(b)	Investment in non-U.S. dollar denominated securities.

The following is a summary of the inputs used as of July 31, 2021 in valuing the Fund’s investments carried at fair value⁽¹⁾:

Investment Type(2)	Level 1 (000)		Level 2 (000)		Level 3 (000)		Total (000)
Common Stocks
Personal Products	$	–	$	27,751	$	–	$	27,751
Pharmaceuticals		85,215		22,870		–		108,085
Remaining Industries		1,780,008		–		–		1,780,008
Short-Term Investments
Repurchase Agreements		–		9,363		–		9,363
Total	$	1,865,223	$	59,984	$	–	$	1,925,207

(1)	Refer to Note 2(b) for a description of fair value measurements and the three-tier hierarchy of inputs.
(2)	See Schedule of Investments for fair values in each industry and identification of foreign issuers and/or geography. The table above is presented by Investment Type. Industries are presented within an Investment Type should such Investment Type include securities classified as two or more levels within the three-tier fair value hierarchy.

A reconciliation of Level 3 investments is presented when the Fund has a material amount of Level 3 investments at the beginning or end of the period in relation to the Fund’s net assets.

14 See Notes to Schedule of Investments.

Schedule of Investments (unaudited)

LORD ABBETT SECURITIES TRUST – GLOBAL EQUITY RESEARCH FUND July 31, 2021

Investments	Shares		U.S. $ Fair Value (000)
COMMON STOCKS 97.00%
Brazil 1.68%
Metals & Mining
Vale SA		8,601	$	180
Canada 3.47%
Aerospace & Defense 0.94%
CAE, Inc.*		3,327		101
Banks 1.73%
Royal Bank of Canada		1,832		185
Information Technology Services 0.80%
Shopify, Inc.*		57		86
Total Canada				372
China 1.30%
Construction Materials 0.53%2%
Engie SA		5,784		77
Textiles, Apparel & Luxury Goods 1.75%
LVMH Moet Hennessy Louis Vuitton SE		234		187
Total France				632
Germany 0.75%
Semiconductors & Semiconductor Equipment
Infineon Technologies AG		2,110		81
Hong Kong 1.81%
Real Estate Management & Development 1.07%
Kerry Properties Ltd.		38,969		115
Textiles, Apparel & Luxury Goods 0.74%
Stella International Holdings Ltd.*		61,445		79
Total Hong Kong				194

Investments	Shares		U.S. $ Fair Value (000)
India 1.79%
Bank				648
Mexico 1.00%
Banks
Grupo Financiero Banorte SAB de CV		16,537		107
Netherlands 4.80%
Information Technology Services 1.37%
Adyen NV*†		54		147
Insurance 1.09%
NN Group NV		2,354		117
Oil, Gas & Consumable Fuels 0.84%
Royal Dutch Shell plc A Shares 4,481				90
Semiconductors & Semiconductor Equipment 1.50%
ASML Holding NV		211		161
Total Netherlands				515
Norway 0.81%
Oil, Gas & Consumable Fuels
Equinor ASA		4,475		87
South Korea 2.66%
Interactive Media & Services 0.43%
NHN Corp.		123	$	46
Technology Hardware, Storage & Peripherals 2.23%
Samsung Electronics Co., Ltd.		3,490		239
Total South Korea				285
Spain 0.52%
Electric: Utilities
Iberdrola SA		4,657		56

See Notes to Schedule of Investments. 15

Schedule of Investments (unaudited)(continued)

LORD ABBETT SECURITIES TRUST – GLOBAL EQUITY RESEARCH FUND July 31, 2021

Investments	Shares		U.S. $ Fair Value (000)
Switzerland 2.79%
Capital Markets 1.85%
UBS Group AG		12,037		198
Life Sciences Tools & Services 0.94%
Lonza Group AG		129		101
Total Switzerland				299
Taiwan 1.41%
Semiconductors & Semiconductor Equipment
Taiwan Semiconductor Manufacturing Co., Ltd.		7,244		151
United Kingdom 1.46%
Equity Real Estate Investment Trusts 0.94%
UNITE Group plc (The)		6,229		100
Insurance 0.52%
Prudential plc		2,968		56
Total United Kingdom				156
United States 56.36%
Aerospace & Defense 0.98%
TransDigm Group, Inc.*		163		105
Automobiles 0.88%
General Motors Co.*		1,662		95
United States (continued)
Banks 1.14%
Bancorp, Inc. (The)*		656	$	15
Western Alliance Bancorp		1,153		107
				122
Beverages 1.24%
Coca-Cola Co. (The)		2,336		133
Biotechnology 1.92%
Natera, Inc.*		762		87
TG Therapeutics, Inc.*		772		27

Investments	Shares		U.S. $ Fair Value (000)
Vertex Pharmaceuticals, Inc.*		453		92
				206
Building Products 1.03%
Masco Corp.		1,843		110
Capital Markets 1.48%
Ameriprise Financial, Inc.		310		80
Morgan Stanley		824		79
				159
Chemicals 2.53%
Axalta Coating Systems Ltd.*		3,443		104
Valvoline, Inc.		5,438		167
				271
Consumer Finance 1.48%
Ally Financial, Inc.		3,104		159
Diversified Financial Services 0.46%
Equitable Holdings, Inc.		1,594		49
Electrical Equipment 1.18%
AMETEK, Inc.		909		126
Entertainment 1.66%
Activision Blizzard, Inc.		1,037		87
Live Nation Entertainment, Inc.*		588		46
Roku, Inc.*		105		45
				178
United States (continued)
Equity Real Estate Investment Trusts 1.19%
Alexandria Real Estate Equities, Inc.		430	$	86
Prologis, Inc.		318		41
				127
Food & Staples Retailing 2.52%
Sysco Corp.		760		56
Walmart, Inc.		1,498		214
				270

16 See Notes to Schedule of Investments.

Schedule of Investments (unaudited)(continued)

LORD ABBETT SECURITIES TRUST – GLOBAL EQUITY RESEARCH FUND July 31, 2021

Investments	Shares		U.S. $ Fair Value (000)
Health Care Equipment & Supplies 2.32%
Align Technology, Inc.*		133		93
DexCom, Inc.*		137		71
Zimmer Biomet Holdings, Inc.		523		85
				249
Health Care Providers & Services 1.76%
UnitedHealth Group, Inc.		459		189
Hotels, Restaurants & Leisure 0.57%
Caesars Entertainment, Inc.*		697		61
Information Technology Services 2.86%
Fidelity National Information Services, Inc.		473		71
Mastercard, Inc. Class A		351		135
PayPal Holdings, Inc.*		362		100
				306
Interactive Media & Services 6.23%
Alphabet, Inc. Class A*		163		439
Facebook, Inc. Class A*		643		229
				668
Internet & Direct Marketing Retail 3.16%
Amazon.com, Inc.*		102		339
Machinery 2.17%
Crane Co.		1,305		127
Stanley Black & Decker, Inc.		536		106
				233
United States (continued)
Oil, Gas & Consumable Fuels 1.97%
Marathon Petroleum Corp.		1,728	$	95
Pioneer Natural Resources Co.		797		116
				211
Personal Products 1.05%
Estee Lauder Cos., Inc. (The) Class A		336		112
Pharmaceuticals 1.37%

Investments	Shares		U.S. $ Fair Value (000)
Eli Lilly & Co.		604		147
Road & Rail 1.70%
Norfolk Southern Corp.		570		147
Uber Technologies, Inc.*		797		35
				182
Semiconductors & Semiconductor Equipment 3.27%
Applied Materials, Inc.		893		125
NVIDIA Corp.		1,156		225
				350
Software 6.26%
Microsoft Corp.		1,796		512
RingCentral, Inc. Class A*		166		44
salesforce.com, Inc.*		473		115
				671
Specialty Retail 1.16%
Burlington Stores, Inc.*		184		61
Sally Beauty Holdings, Inc.*		3,313		63
				124
Textiles, Apparel & Luxury Goods 0.82%
NIKE, Inc. Class B		524		88
Total United States				6,040
Total Common Stocks (cost $8,573,037)				10,395
SHORT-TERM INVESTMENTS 2.86%
Repurchase Agreements
Repurchase Agreement dated 7/30/2021, 0.00% due 8/2/2021 with Fixed Income Clearing Corp. collateralized by $298,000 of U.S. Treasury Note at 2.625% due 06/30/2023; value: $312,502; proceeds: $306,303 (cost $306,303)	$	306	$	306

See Notes to Schedule of Investments. 17

Schedule of Investments (unaudited)(continued)

LORD ABBETT SECURITIES TRUST – GLOBAL EQUITY RESEARCH FUND July 31, 2021

Investments	Shares	U.S. $ Fair Value (000)
Total Investments in Securities 99.86% (cost $8,879,340)			10,701
Other Assets and Liabilities – Net 0.14%			15
Net Assets 100.00%		$	10,716

ADR	American Depositary Receipt.
*	Non-income producing security.
†	Security was purchased pursuant to Rule 144A under the Securities Act of 1933 and, unless registered under such Act or exempted from registration, may only be resold to qualified institutional buyers. At July 31, 2021, the total value of Rule 144A securities was $147, which represents 1.37% of net assets.

Investments Principal
Amount
(000) U.S. $
Fair Value
(000)

18 See Notes to Schedule of Investments.

Schedule of Investments (unaudited)(concluded)

LORD ABBETT SECURITIES TRUST – GLOBAL EQUITY RESEARCH FUND July 31, 2021

The following is a summary of the inputs used as of July 31, 2021 in valuing the Fund’s investments carried at fair value⁽¹⁾:

Investment Type(2)	Level 1 (000)		Level 2 (000)		Level 3 (000)		Total (000)
Common Stocks
China	$	–	$	139	$	–	$	139
Denmark		99		162		–		261
France		103		529		–		632
Germany		–		81		–		81
Hong Kong		–		194		–		194
Japan		80		568		–		648
Netherlands		–		515		–		515
Norway		–		87		–		87
South Korea		46		239		–		285
Switzerland		–		299		–		299
Taiwan		–		151		–		151
United Kingdom		100		56		–		156
Remaining Countries		6,947		–		–		6,947
Short-Term Investments
Repurchase Agreements		–		306		–		306
Total	$	7,375	$	3,326	$	–	$	10,701

(1)	Refer to Note 2(b) for a description of fair value measurements and the three-tier hierarchy of inputs.
(2)	See Schedule of Investments for fair values in each industry and identification of foreign issuers and/or geography. The table above is presented by Investment Type. Industries are presented within an Investment Type should such Investment Type include securities classified as two or more levels within the three-tier fair value hierarchy.

A reconciliation of Level 3 investments is presented when the Fund has a material amount of Level 3 investments at the beginning or end of the period in relation to the Fund’s net assets.

See Notes to Schedule of Investments. 19

Schedule of Investments (unaudited)

LORD ABBETT SECURITIES TRUST – GROWTH LEADERS FUND July 31, 2021

Investments	Shares		Fair Value (000)
COMMON STOCKS 98.39%
Aerospace & Defense 1.40%
Axon Enterprise, Inc.*		722,784	$	134,452
Automobiles 1.07%
Tesla, Inc.*		149,200		102,530
Banks 1.53%
First Republic Bank		228,559		44,574
SVB Financial Group*		185,856		102,213
Total				146,787
Biotechnology 2.00%
Arena Pharmaceuticals, Inc.*		671,144		41,517
Biogen, Inc.*		182,873		59,750
Intellia Therapeutics, Inc.*		365,103		51,790
TG Therapeutics, Inc.*		1,120,402		39,203
Total				192,260
Capital Markets 2.61%
Blackstone Group, Inc. (The)		1,165,799		134,382
MSCI, Inc.		195,745		116,656
Total				251,038
Commercial Services & Supplies 1.06%
Copart, Inc.*		692,356		101,776
Communications Equipment 0.73%
Arista Networks, Inc.*		184,681		70,251
Electrical Equipment 1.47%
Generac Holdings, Inc.*		335,919		140,871
Electronic Equipment, Instruments & Components 3.18%
Amphenol Corp. Class A		1,329,746		96,393
Cognex Corp.		834,139		75,414
Trimble, Inc.*		1,565,328		133,836
Total				305,643

Investments	Shares		Fair Value (000)
Entertainment 3.31%
Live Nation Entertainment, Inc.*		1,533,708	$	120,994
Roku, Inc.*		350,380		150,071
Walt Disney Co. (The)*		265,293		46,697
Total				317,762
Health Care Equipment & Supplies 7.86%
Align Technology, Inc.*		301,190		209,568
DexCom, Inc.*		197,567		101,848
Edwards Lifesciences Corp.*		864,606		97,069
IDEXX Laboratories, Inc.*		209,838		142,381
Intuitive Surgical, Inc.*		205,968		204,209
Total				755,075
Hotels, Restaurants & Leisure 0.47%
Airbnb, Inc. Class A*		315,870		45,488
Industrial Conglomerates 0.75%
Honeywell International, Inc.		306,787		71,724
Information Technology Services 8.64%
EPAM Systems, Inc.*		328,822		184,075
Mastercard, Inc. Class A		501,547		193,567
PayPal Holdings, Inc.*		627,294		172,838
Shopify, Inc. Class A (Canada)*(a)		93,343		140,008
Visa, Inc. Class A		563,746		138,901
Total				829,389
Interactive Media & Services 16.47%
Alphabet, Inc. Class A*		298,125		803,307
Facebook, Inc. Class A*		1,213,935		432,525
Match Group, Inc.*		737,388		117,444
Snap, Inc. Class A*		3,072,969		228,690
Total				1,581,966
Internet & Direct Marketing Retail 1.86%
Amazon.com, Inc.*		53,616		178,412
Personal Products 1.27%
Estee Lauder Cos., Inc. (The) Class A		363,921		121,488

20 See Notes to Schedule of Investments.

Schedule of Investments (unaudited)(continued)

LORD ABBETT SECURITIES TRUST – GROWTH LEADERS FUND July 31, 2021

Investments	Shares		Fair Value (000)
Pharmaceuticals 1.51%
Zoetis, Inc.		716,325	$	145,199
Real Estate Investment Trusts 0.67%
Crown Castle International Corp.		333,759		64,446
Road & Rail 1.34%
Lyft, Inc. Class A*		863,776		47,784
Uber Technologies, Inc.*		1,854,694		80,605
Total				128,389
Semiconductors & Semiconductor Equipment 10.28%
Advanced Micro Devices, Inc.*		1,687,355		179,180
Applied Materials, Inc.		1,395,236		195,236
Lam Research Corp.		182,418		116,275
Monolithic Power Systems, Inc.		345,363		155,158
NVIDIA Corp.		1,751,244		341,475
Total				987,324
Software 15.48%
Atlassian Corp. plc Class A (Australia)*(a)		452,169		147,009
Crowdstrike Holdings, Inc. Class A*		686,726		174,161
DocuSign, Inc.*		347,421		103,545
Five9, Inc.*		245,012		49,318
HubSpot, Inc.*		190,730		113,679
Intuit, Inc.		200,974		106,510
Microsoft Corp.		2,698,272		768,765
SentinelOne, Inc. Class A*		310,580		15,315
UiPath, Inc. Class A*(b)		136,720		8,553
Total				1,486,855
Specialty Retail 4.37%
Burlington Stores, Inc.*		193,807		64,887
Five Below, Inc.*		434,142		84,406
Home Depot, Inc. (The)		266,578		87,488
O’Reilly Automotive, Inc.*		150,988		91,173
RH*		138,660		92,081
Total				420,035

Investments	Shares		Fair Value (000)
Technology Hardware, Storage & Peripherals 5.89%
Apple, Inc.		3,880,123	$	565,955
Textiles, Apparel & Luxury Goods 3.17%
Crocs, Inc.*		603,621		81,978
Lululemon Athletica, Inc. (Canada)*(a)		184,174		73,701
NIKE, Inc. Class B		887,637		148,688
Total				304,367
Total Common Stocks (cost $7,336,958,943)				9,449,482
	Principal Amount (000)
SHORT-TERM INVESTMENTS 2.18%
Repurchase Agreements 1.72%
Repurchase Agreement dated 7/30/2021, 0.00% due 8/2/2021 with Fixed Income Clearing Corp. collateralized by $168,738,900 of U.S. Treasury Note at 0.125% due 12/15/2023; value: $168,217,782; proceeds: $164,919,311 (cost $164,919,311)	$	164,919		164,919

See Notes to Schedule of Investments. 21

Schedule of Investments (unaudited)(concluded)

LORD ABBETT SECURITIES TRUST – GROWTH LEADERS FUND July 31, 2021

Investments	Shares		Fair Value (000)
Money Market Funds 0.41%
Fidelity Government Portfolio(c) (cost $39,787,878)		39,787,878	$	39,788
Time Deposits 0.05%
CitiBank N.A.(c) (cost $4,420,876)		4,420,876		4,421
Total Short-Term Investments (cost $209,128,065)				209,128
Total Investments in Securities 100.57% (cost $7,546,087,008)				9,658,610
Other Assets and Liabilities – Net (0.57)%				(55,000	)
Net Assets 100.00%			$	9,603,610

*	Non-income producing security.
(a)	Foreign security traded in U.S. dollars.
(b)	All or a portion of this security is temporarily on loan to unaffiliated broker/dealers.
(c)	Security was purchased with the cash collateral from loaned securities.

The following is a summary of the inputs used as of July 31, 2021 in valuing the Fund’s investments carried at fair value⁽¹⁾:

Investment Type(2)	Level 1 (000)		Level 2 (000)		Level 3 (000)		Total (000)
Common Stocks	$	9,449,482	$	–	$	–	$	9,449,482
Short-Term Investments
Repurchase Agreements		–		164,919		–		164,919
Money Market Funds		39,788		–		–		39,788
Time Deposits		–		4,421		–		4,421
Total	$	9,489,270	$	169,340	$	–	$	9,658,610

(1)	Refer to Note 2(b) for a description of fair value measurements and the three-tier hierarchy of inputs.
(2)	See Schedule of Investments for fair values in each industry and identification of foreign issuers and/or geography.

A reconciliation of Level 3 investments is presented when the Fund has a material amount of Level 3 investments at the beginning or end of the period in relation to the Fund’s net assets.

22 See Notes to Schedule of Investments.

Schedule of Investments (unaudited)

LORD ABBETT SECURITIES TRUST – HEALTH CARE FUND July 31, 2021

Investments	Shares		U.S. $ Fair Value (000)
COMMON STOCKS 95.16%
Belgium 0.77%
Pharmaceuticals
UCB SA		501	$	54
Canada 0.72%
Biotechnology
Trillium Therapeutics, Inc.*		3,768		25
Xenon Pharmaceuticals, Inc.*		1,515		26
Total Canada				51
Denmark 4.27%
Biotechnology 1.67%
Genmab A/S*		261		118
Pharmaceuticals 2.60%
Novo Nordisk A/S Class B		1,981		183
Total Denmark				301
France 1.91%
Life Sciences Tools & Services 0.92%
Sartorius Stedim Biotech		113		65
Pharmaceuticals 0.99%
Sanofi		681		70
Total France				135
Germany 0.51%
Biotechnology
BioNTech SE ADR*		110		36
Netherlands 1.10%
Biotechnology
Argenx SE*		254		78
Sweden 0.45%
Life Sciences Tools & Services
Olink Holding AB ADR*		859		32

Investments	Shares		U.S. $ Fair Value (000)
Switzerland 5.80%
Biotechnology 0.55%
CRISPR Therapeutics AG*		320	$	39
Health Care Equipment & Supplies 1.08%
Alcon, Inc.		1,041		76
Life Sciences Tools & Services 1.93%
Lonza Group AG		175		136
Pharmaceuticals 2.24%
Roche Holding AG		410		158
Total Switzerland				409
United Kingdom 3.31%
Pharmaceuticals
AstraZeneca plc		2,036		234
United States 76.32%
Biotechnology 18.01%
Acceleron Pharma, Inc.*		431		54
Arena Pharmaceuticals, Inc.*		907		56
Biogen, Inc.*		133		43
Blueprint Medicines Corp.*		393		35
Bridgebio Pharma, Inc.*		794		42
Curis, Inc.*		2,671		20
Horizon Therapeutics plc*		1,098		110
Insmed, Inc.*		2,540		62
Intellia Therapeutics, Inc.*		496		70
Karuna Therapeutics, Inc.*		347		40
Krystal Biotech, Inc.*		948		55
Mirati Therapeutics, Inc.*		418		67
Natera, Inc.*		999		114
Neurocrine Biosciences, Inc.*		460		43
Protagonist Therapeutics, Inc.*		760		38
Rigel Pharmaceuticals, Inc.*		15,178		61
Rocket Pharmaceuticals, Inc.*		1,075		39
Seagen, Inc.*		375		58
SpringWorks Therapeutics, Inc.*		465		40

See Notes to Schedule of Investments. 23

Schedule of Investments (unaudited)(continued)

LORD ABBETT SECURITIES TRUST – HEALTH CARE FUND July 31, 2021

Investments	Shares		U.S. $ Fair Value (000)
United States (continued)
TG Therapeutics, Inc.*		1,997	$	70
Turning Point Therapeutics, Inc.*		556		35
Ultragenyx Pharmaceutical, Inc.*		287		23
Vertex Pharmaceuticals, Inc.*		477		96
				1,271
Health Care Equipment & Supplies 25.69%
Abbott Laboratories		545		66
Align Technology, Inc.*		274		191
Axonics, Inc.*		581		39
Cooper Cos., Inc. (The)		219		92
Danaher Corp.		807		240
DexCom, Inc.*		259		134
Edwards Lifesciences Corp.*		1,277		143
IDEXX Laboratories, Inc.*		199		135
Inari Medical, Inc.*		364		33
Insulet Corp.*		305		85
Intuitive Surgical, Inc.*		181		179
Medtronic plc		1,339		176
Nevro Corp.*		227		35
Outset Medical, Inc.*		1,018		42
Pulmonx Corp.*		788		31
Shockwave Medical, Inc.*		243		44
Silk Road Medical, Inc.*		712		36
Zimmer Biomet Holdings, Inc.		683		112
				1,813
Health Care Providers & Services 8.71%
AmerisourceBergen Corp.		645		79
CVS Health Corp.		620		51
HCA Healthcare, Inc.		558		138
Oak Street Health, Inc.*		653		41
UnitedHealth Group, Inc.		742		306
				615
Health Care Technology 1.39%
Cerner Corp.		668		54
Doximity, Inc. Class A*		24		1
Inspire Medical Systems, Inc.*		235		43
				98

Investments	Shares		U.S. $ Fair Value (000)
United States (continued)
Internet & Direct Marketing Retail 0.51%
Chewy, Inc. Class A*		426	$	36
Life Sciences Tools & Services 9.04%
10X Genomics, Inc. Class A*		238		44
Agilent Technologies, Inc.		453		69
Akoya Biosciences, Inc.*		1,850		32
Bio-Rad Laboratories, Inc. Class A*		126		93
Charles River Laboratories International, Inc.*		90		37
Maravai LifeSciences Holdings, Inc. Class A*		1,110		49
Quanterix Corp.*		741		39
Repligen Corp.*		335		82
Thermo Fisher Scientific, Inc.		357		193
				638
Pharmaceuticals 12.35%
Catalent, Inc.*		604		72
Eli Lilly & Co.		1,161		283
Intra-Cellular Therapies, Inc.*		1,504		52
Johnson & Johnson		721		124
Merck & Co., Inc.		1,474		113
NGM Biopharmaceuticals, Inc.*		1,600		33
Organon & Co.*		1,061		31
Zoetis, Inc.		809		164
				872
Specialty Retail 0.62%
Petco Health & Wellness Co., Inc.*		2,105		44
Total United States				5,387
Total Common Stocks (cost $5,750,166)				6,717

24 See Notes to Schedule of Investments.

Schedule of Investments (unaudited)(concluded)

LORD ABBETT SECURITIES TRUST – HEALTH CARE FUND July 31, 2021

Investments	Principal Amount (000)		U.S. $ Fair Value (000)
SHORT-TERM INVESTMENTS 4.22%
Repurchase Agreements
Repurchase Agreement dated 7/30/2021, 0.00% due 8/2/2021 with Fixed Income Clearing Corp. collateralized by $304,600 of U.S. Treasury Note at 0.125% due 04/30/2023; value: $304,444; proceeds: $298,450 (cost $298,450)	$	298	$	298
Total Investments in Securities 99.38% (cost $6,048,616)				7,015
Other Assets and Liabilities – Net 0.62%				44
Net Assets 100.00%			$	7,059

ADR	American Depositary Receipt.
*	Non-income producing security.

The following is a summary of the inputs used as of July 31, 2021 in valuing the Fund’s investments carried at fair value⁽¹⁾:

	Level 1		Level 2		Level 3		Total
Investment Type(2)		(000)		(000)		(000)		(000)
Common Stocks
Canada	$	51	$	–	$	–	$	51
Germany		36		–		–		36
Sweden		32		–		–		32
Switzerland		115		294		–		409
United States		5,387		–		–		5,387
Remaining Countries		–		802				802
Short-Term Investments
Repurchase Agreements		–		298		–		298
Total	$	5,621	$	1,394	$	–	$	7,015

(1)	Refer to Note 2(b) for a description of fair value measurements and the three-tier hierarchy of inputs.
(2)	See Schedule of Investments for fair values in each industry and identification of foreign issuers and/or geography. The table above is presented by Investment Type. Industries are presented within an Investment Type should such Investment Type include securities classified as two or more levels within the three-tier fair value hierarchy.

A reconciliation of Level 3 investments is presented when the Fund has a material amount of Level 3 investments at the beginning or end of the period in relation to the Fund’s net assets.

See Notes to Schedule of Investments. 25

Schedule of Investments (unaudited)

LORD ABBETT SECURITIES TRUST – INTERNATIONAL EQUITY FUND July 31, 2021

Investments	Shares		U.S. $ Fair Value (000)
COMMON STOCKS 96.45%
Argentina 0.79%
Internet & Direct Marketing Retail
MercadoLibre, Inc.*		2,051	$	3,217
Australia 3.01%
Capital Markets 0.94%
Macquarie Group Ltd.		33,262		3,840
Equity Real Estate Investment Trusts 0.68%
Goodman Group		165,808		2,758
Metals & Mining 1.39%
BHP Group Ltd.		144,758		5,686
Total Australia				12,284
Austria 0.82%
Oil, Gas & Consumable Fuels
OMV AG		61,873		3,341
Brazil 0.64%
Metals & Mining
Vale SA ADR		123,283		2,592
Canada 3.21%
Aerospace & Defense 0.92%
CAE, Inc.*		122,517		3,739
Banks 0.95%
Royal Bank of Canada		38,200		3,863
Oil, Gas & Consumable Fuels 1.34%
Pembina Pipeline Corp.		92,419		3,055
Suncor Energy, Inc.		123,168		2,425
				5,480
Total Canada				13,082

Investments	Shares		U.S. $ Fair Value (000)
China 2.50%
Interactive Media & Services 0.88%
Tencent Holdings Ltd.		59,276	$	3,575
Internet & Direct Marketing Retail 0.70%
Alibaba Group Holding Ltd. ADR*		14,752		2,879
Textiles, Apparel & Luxury Goods 0.92%
ANTA Sports Products Ltd.		172,520		3,756
Total China				10,210
Denmark 5.12%
Air Freight & Logistics 1.16%
DSV PANALPINA A/S		19,374		4,723
Beverages 1.11%
Carlsberg A/S Class B		24,519		4,531
Biotechnology 1.21%
Genmab A/S*		10,880		4,917
Pharmaceuticals 1.64%
Novo Nordisk A/S Class B		72,401		6,702
Total Denmark				20,873
Finland 1.15%
Banks
Nordea Bank Abp		401,719		4,704
France 16.28%
Aerospace & Defense 1.93%
Airbus SE*		34,446		4,725
Safran SA		23,926		3,131
				7,856
Auto Components 1.01%
Cie Generale des Etablissements Michelin SCA		25,144		4,107

26 See Notes to Schedule of Investments.

Schedule of Investments (unaudited)(continued)

LORD ABBETT SECURITIES TRUST – INTERNATIONAL EQUITY FUND July 31, 2021

Investments	Shares		U.S. $ Fair Value (000)
France (continued)
Banks 0.80%
Credit Agricole SA		233,916	$	3,262
Beverages 1.11%
Pernod Ricard SA		20,548		4,535
Building Products 1.04%
Cie de Saint-Gobain		59,538		4,256
Chemicals 1.08%
Air Liquide SA		25,249		4,391
Construction & Engineering 0.50%
Vinci SA		19,300		2,043
Information Technology Services 0.90%
Capgemini SE		17,066		3,689
Insurance 0.66%
AXA SA		103,288		2,675
Life Sciences Tools & Services 0.98%
Sartorius Stedim Biotech		7,008		4,001
Multi-Utilities 0.62%
Engie SA		191,142		2,549
Oil, Gas & Consumable Fuels 0.80%
Total SE		74,768		3,260
Personal Products 1.51%
L’Oreal SA		13,424		6,141
Textiles, Apparel & Luxury Goods 3.34%
Kering SA		6,087		5,461
LVMH Moet Hennessy Louis Vuitton SE		10,177		8,148
				13,609
Total France				66,374

Investments	Shares		U.S. $ Fair Value (000)
Germany 5.22%
Air Freight & Logistics 1.47%
Deutsche Post AG Registered Shares		88,120	$	5,972
Auto Components 0.74%
Continental AG*		22,310		3,031
Automobiles 1.05%
Volkswagen AG		12,896		4,280
Semiconductors & Semiconductor Equipment 1.01%
Infineon Technologies AG		107,679		4,115
Textiles, Apparel & Luxury Goods 0.95%
adidas AG		10,712		3,888
Total Germany				21,286
Hong Kong 3.18%
Capital Markets 0.88%
Hong Kong Exchanges & Clearing Ltd.		56,345		3,601
Insurance 1.43%
AIA Group Ltd.		485,882		5,814
Machinery 0.87%
Techtronic Industries Co. Ltd.		198,315		3,536
Total Hong Kong				12,951
Hungary 0.70%
Commercial Banks
OTP Bank Nyrt*		52,541		2,833
India 1.62%
Banks
HDFC Bank Ltd. ADR		36,763		2,595
ICICI Bank Ltd. ADR		215,990		4,015
Total India				6,610

See Notes to Schedule of Investments. 27

Schedule of Investments (unaudited)(continued)

LORD ABBETT SECURITIES TRUST – INTERNATIONAL EQUITY FUND July 31, 2021

Investments	Shares		U.S. $ Fair Value (000)
Indonesia 0.59%
Banks
Bank Rakyat Indonesia Persero Tbk PT		9,430,958	$	2,420
Ireland 0.99%
Construction Materials
CRH plc		81,033		4,053
Japan 16.17%
Auto Components 1.37%
Denso Corp.		81,585		5,605
Automobiles 1.78%
Toyota Motor Corp.		80,800		7,254
Banks 0.65%
Sumitomo Mitsui Financial Group, Inc.		78,000		2,629
Beverages 0.74%
Asahi Group Holdings Ltd.		66,825		3,007
Building Products 0.97%
Daikin Industries Ltd.		18,975		3,963
Diversified Financial Services 0.68%
ORIX Corp.		158,800		2,778
Electrical Equipment 1.61%
Fuji Electric Co., Ltd.		58,500		2,560
Nidec Corp.		35,700		4,007
				6,567
Electronic Equipment, Instruments & Components 2.29%
Keyence Corp.		10,140		5,648
Murata Manufacturing Co., Ltd.		44,400		3,684
				9,332

Investments	Shares		U.S. $ Fair Value (000)
Japan (continued)
Health Care Equipment & Supplies 1.12%
Hoya Corp.		32,200	$	4,546
Household Durables 1.43%
Sony Group Corp.		55,900		5,840
Machinery 2.02%
Ebara Corp.		65,100		3,220
FANUC Corp.		15,100		3,382
Fujitec Co. Ltd.		73,500		1,633
				8,235
Specialty Retail 0.49%
Fast Retailing Co. Ltd.		2,950		2,001
Trading Companies & Distributors 1.02%
ITOCHU Corp.		140,900		4,170
Total Japan				65,927
Mexico 1.20%
Banks 0.67%
Grupo Financiero Banorte SAB de CV		420,417		2,726
Transportation Infrastructure 0.53%
Grupo Aeroportuario del Pacifico SAB de CV ADR(a)		18,938		2,172
Total Mexico				4,898
Netherlands 5.57%
Chemicals 0.76%
Akzo Nobel NV		25,197		3,112
Information Technology Services 1.08%
Adyen NV*†		1,618		4,385
Insurance 0.94%
NN Group NV		77,274		3,842
Oil, Gas & Consumable Fuels 0.74%
Royal Dutch Shell plc A Shares		150,243		3,020

28 See Notes to Schedule of Investments.

Schedule of Investments (unaudited)(continued)

LORD ABBETT SECURITIES TRUST – INTERNATIONAL EQUITY FUND July 31, 2021

Investments	Shares		U.S. $ Fair Value (000)
Netherlands (continued)
Semiconductors & Semiconductor Equipment 2.05%
ASML Holding NV		10,929	$	8,354
Total Netherlands				22,713
Norway 0.93%
Oil, Gas & Consumable Fuels
Equinor ASA		193,803		3,775
Singapore 0.68%
Banks
United Overseas Bank Ltd.		143,300		2,771
South Africa 1.15%
Metals & Mining
Anglo American plc		106,190		4,706
South Korea 1.88%
Banks 0.01%
KakaoBank Corp.*		500		17	(b)
Technology Hardware, Storage & Peripherals 1.87%
Samsung Electronics Co., Ltd. 111,612				7,627
Total South Korea				7,644
Spain 3.26%
Banks 0.50%
Banco Bilbao Vizcaya Argentaria SA*		316,196		2,024
Diversified Telecommunication Services 1.08%
Cellnex Telecom SA†		67,504		4,402
Electric: Utilities 0.97%
Iberdrola SA		330,126		3,973
Information Technology Services 0.71%
Amadeus IT Group SA*		44,122		2,894
Total Spain				13,293

Investments	Shares		U.S. $ Fair Value (000)
Sweden 1.02%
Machinery
Atlas Copco AB A Shares		61,472	$	4,163
Switzerland 6.36%
Capital Markets 1.34%
UBS Group AG		330,622		5,447
Food Products 2.14%
Nestle SA Registered Shares		68,959		8,732
Life Sciences Tools & Services 1.56%
Lonza Group AG		8,149		6,345
Pharmaceuticals 1.32%
Roche Holding AG		13,930		5,382
Total Switzerland				25,906
Taiwan 3.56%
Entertainment 0.79%
Sea Ltd. ADR*		11,699		3,231
Semiconductors & Semiconductor Equipment 2.77%
MediaTek, Inc.		87,090		2,847
Taiwan Semiconductor Manufacturing Co., Ltd.		279,230		5,836
Taiwan Semiconductor Manufacturing Co., Ltd. ADR		22,283		2,599
				11,282
Total Taiwan				14,513
United Kingdom 5.91%
Banks 0.88%
Barclays plc		747,913		1,809
HSBC Holdings plc		320,785		1,771
				3,580
Beverages 1.17%
Diageo plc		96,376		4,779

See Notes to Schedule of Investments. 29

Schedule of Investments (unaudited)(continued)

LORD ABBETT SECURITIES TRUST – INTERNATIONAL EQUITY FUND July 31, 2021

Investments	Shares		U.S.$ Fair Value (000)
United Kingdom (continued)
Equity Real Estate Investment Trusts 0.62%
UNITE Group plc (The)		156,747	$	2,522
Insurance 0.91%
Prudential plc		197,194		3,703
Multi-Line Retail 0.70%
Next plc*		25,965		2,844
Pharmaceuticals 1.63%
AstraZeneca plc		57,923		6,656
Total United Kingdom				24,084
United States 2.94%
Biotechnology 0.63%
Horizon Therapeutics plc*		25,532		2,554
Electrical Equipment 1.31%
Schneider Electric SE		31,814		5,328
Trading Companies & Distributors 1.00%
Ferguson plc		29,231		4,098
Total United States				11,980
Total Common Stocks (cost $293,977,601)				393,203
	Principal Amount (000)
SHORT-TERM INVESTMENTS 3.36%
Repurchase Agreements 3.28%
Repurchase Agreement dated 7/30/2021, 0.00% due 8/2/2021 with Fixed Income Clearing Corp. collateralized by $13,022,100 of U.S. Treasury Note at 2.625% due 6/30/2023; value: $13,655,794; proceeds: $13,388,011 (cost $13,388,011)	$	13,388		13,388

Investments	Shares		U.S. $ Fair Value (000)
Money Market Funds 0.07%
Fidelity Government Portfolio(c) (cost $275,267)		275,267	$	275
Time Deposits 0.01%
CitiBank N.A.(c) (cost $30,586)		30,586		31
Total Short-Term Investments (cost $13,693,864)				13,694
Total Investments in Securities 99.81% (cost $307,671,465)				406,897
Other Assets and Liabilities – Net 0.19%				770
Net Assets 100.00%			$	407,667

ADR	American Depositary Receipt.
*	Non-income producing security.
†	Security was purchased pursuant to Rule 144A under the Securities Act of 1933 and, unless registered under such Act or exempted from registration, may only be resold to qualified institutional buyers. At July 31, 2021, the total value of Rule 144A securities was $8,787,000, which represents 2.16% of net assets.
(a)	All or a portion of this security is temporarily on loan to unaffiliated broker/dealers.
(b)	Level 3 Investment as described in Note 2(b) in the Notes to Financials. Security valued utilizing third party pricing information without adjustment. Such valuations are based on unobservable inputs. A significant change in third party information could result in a significantly lower or higher value of such Level 3 investments.
(c)	Security was purchased with the cash collateral from loaned securities.

30 See Notes to Schedule of Investments.

Schedule of Investments (unaudited)(concluded)

LORD ABBETT SECURITIES TRUST – INTERNATIONAL EQUITY FUND July 31, 2021

The following is a summary of the inputs used as of July 31, 2021 in valuing the Fund’s investments carried at fair value⁽¹⁾:

Investment Type(2)	Level 1 (000)		Level 2 (000)		Level 3 (000)		Total (000)
Common Stocks
Argentina	$	3,217	$	–	$	–	$	3,217
Brazil		2,592		–		–		2,592
Canada		13,082		–		–		13,082
China		2,879		7,331		–		10,210
India		6,610		–		–		6,610
Mexico		4,898		–		–		4,898
South Korea		–		7,627		17		7,644
Taiwan		5,830		8,683		–		14,513
United Kingdom		2,522		21,562		–		24,084
United States		2,554		9,426		–		11,980
Remaining Countries		–		294,373		–		294,373
Short-Term Investments
Repurchase Agreements		–		13,388		–		13,388
Money Market Funds		275		–		–		275
Time Deposits		–		31		–		31
Total	$	44,459	$	362,421	$	17	$	406,897

(1)

Refer to Note 2(b) for a description of fair value measurements and the three-tier hierarchy of inputs.

(2)

See Schedule of Investments for fair values in each industry and identification of foreign issuers and/or geography. The table above is presented by Investment Type. Industries are presented within an Investment Type should such Investment Type include securities classified as two or more levels within the three-tier fair value hierarchy. Each Level 3 security is identified on the Schedule of Investments along with the valuation technique utilized.

A reconciliation of Level 3 investments is presented when the Fund has a material amount of Level 3 investments at the beginning or end of the period in relation to the Fund’s net assets. Management has determined not to provide a reconciliation as the balance of Level 3 investments was not considered to be material to the Fund’s net assets at the beginning or end of the period.

See Notes to Schedule of Investments. 31

Schedule of Investments (unaudited)

LORD ABBETT SECURITIES TRUST – INTERNATIONAL OPPORTUNITIES FUND July 31, 2021

Investments	Shares		U.S. $ Fair Value (000)
COMMON STOCKS 95.70%
Australia 4.03%
Auto Components 1.02%
GUD Holdings Ltd.		558,763	$	4,839
Electric: Utilities 1.32%
AusNet Services		4,708,346		6,297
Food Products 0.78%
Costa Group Holdings Ltd.		1,581,944		3,734
Professional Services 0.91%
IPH Ltd.		732,073		4,353
Total Australia				19,223
Austria 3.83%
Banks 1.06%
BAWAG Group AG†		89,415		5,080
Electronic Equipment, Instruments & Components 1.40%
AT&S Austria Technologie & Systemtechnik AG		145,409		6,662
Machinery 1.37%
ANDRITZ AG		118,955		6,549
Total Austria				18,291
Belgium 1.96%
Equity Real Estate Investment Trusts 0.88%
Warehouses De Pauw CVA		97,007		4,172
Real Estate Management & Development 1.08%
Shurgard Self Storage SA		96,444		5,170
Total Belgium				9,342

Investments	Shares		U.S. $ Fair Value (000)
Canada 2.67%
Aerospace & Defense 1.04%
CAE, Inc.*		162,700	$	4,965
Metals & Mining 0.65%
Capstone Mining Corp.*		695,200		3,115
Paper & Forest Products 0.98%
Interfor Corp.		227,300		4,662
Total Canada				12,742
China 0.72%
Food & Staples Retailing 0.31%
Yixintang Pharmaceutical Group Co. Ltd.		332,911		1,504
Marine 0.41%
SITC International Holdings Co. Ltd.		473,000		1,951
Total China				3,455
Finland 0.99%
Machinery
Konecranes OYJ		110,271		4,747
France 2.38%
Construction Materials 1.19%
Vicat SA		113,310		5,712
Health Care Providers & Services 1.19%
Korian SA		149,496		5,675
Total France				11,387
Germany 6.21%
Industrial Conglomerates 1.62%
Rheinmetall AG		80,639		7,738
Life Sciences Tools & Services 0.90%
Gerresheimer AG		41,349		4,318

32 See Notes to Schedule of Investments.

Schedule of Investments (unaudited)(continued)

LORD ABBETT SECURITIES TRUST – INTERNATIONAL OPPORTUNITIES FUND July 31, 2021

Investments	Shares		U.S. $ Fair Value (000)
Germany (continued)
Media 0.58%
Stroeer SE & Co. KGaA		35,252	$	2,788
Real Estate Management & Development 0.96%
PATRIZIA AG		179,706		4,580
Semiconductors & Semiconductor Equipment 1.44%
Aixtron SE		278,173		6,862
Specialty Retail 0.71%
MYT Netherlands Parent BV ADR*		117,719		3,395
Total Germany				29,681
Hong Kong 2.23%
Hotels, Restaurants & Leisure 0.58%
Melco International Development Ltd.		1,729,000		2,761
Real Estate Management & Development 0.93%
Kerry Properties Ltd.		1,503,500		4,440
Textiles, Apparel & Luxury Goods 0.72%
Stella International Holdings Ltd.*		2,701,432		3,449
Total Hong Kong				10,650
India 2.95%
Banks 1.26%
Federal Bank Ltd.		5,110,507		6,019
Capital Markets 1.69%
UTI Asset Management Co. Ltd.		576,949		8,090
Total India				14,109
Ireland 0.99%
Health Care Providers & Services
UDG Healthcare plc		315,803		4,732

Investments	Shares		U.S. $ Fair Value (000)
Israel 2.05%
Capital Markets 0.54%
Tel Aviv Stock Exchange Ltd.		413,635	$	2,557
Machinery 1.51%
Marel HF†		961,035		7,228
Total Israel				9,785
Italy 4.63%
Auto Components 0.63%
Freni Brembo SpA		216,945		3,032
Construction Materials 0.60%
Buzzi Unicem SpA		107,834		2,850
Diversified Financial Services 2.22%
Banca Mediolanum SpA		731,235		7,197
doValue SpA†		295,926		3,392
				10,589
Textiles, Apparel & Luxury Goods 1.18%
Brunello Cucinelli SpA*		41,458		2,568
Salvatore Ferragamo SpA*		153,889		3,070
				5,638
Total Italy				22,109
Japan 17.75%
Auto Components 0.27%
FCC Co., Ltd.		91,900		1,317
Banks 0.99%
Aozora Bank Ltd.		209,800		4,722
Beverages 1.53%
Coca-Cola Bottlers Japan Holdings, Inc.		446,600		7,288
Building Products 1.49%
Sanwa Holdings Corp.		584,200		7,109

See Notes to Schedule of Investments. 33

Schedule of Investments (unaudited)(continued)

LORD ABBETT SECURITIES TRUST – INTERNATIONAL OPPORTUNITIES FUND July 31, 2021

Investments	Shares		U.S. $ Fair Value (000)
Japan (continued)
Chemicals 0.98%
Kansai Paint Co., Ltd.		190,100	$	4,669
Construction & Engineering 1.10%
SHO-BOND Holdings Co. Ltd.		124,100		5,242
Distributors 0.81%
PALTAC Corp.		83,700		3,887
Equity Real Estate Investment Trusts 0.82%
GLP J-REIT		1,280		2,293
Nippon Prologis REIT, Inc.		486		1,623
				3,916
Information Technology Services 2.65%
NS Solutions Corp.		205,300		6,536
TIS, Inc.		236,000		6,121
				12,657
Machinery 3.20%
CKD Corp.		141,600		2,832
DMG Mori Co., Ltd.		261,400		4,084
Fujitec Co. Ltd.		107,300		2,384
OSG Corp.		320,700		5,999
				15,299
Professional Services 1.01%
TechnoPro Holdings, Inc.		193,200		4,832
Software 1.42%
Money Forward, Inc.*		110,100		6,786
Thrifts & Mortgage Finance 0.61%
Aruhi Corp.		229,200		2,900
Wireless Telecommunication Services 0.87%
Okinawa Cellular Telephone Co.		87,400		4,158
Total Japan				84,782

Investments	Shares		U.S. $ Fair Value (000)
Mexico 1.26%
Banks
Banco Santander Mexico SA Institucion de Banca Multiple Grupo Financiero Santand ADR		1,026,985	$	6,018
Norway 2.94%
Semiconductors & Semiconductor Equipment 1.26%
Nordic Semiconductor ASA*		183,330		6,003
Software 1.68%
Crayon Group Holding ASA*†		235,813		4,084
LINK Mobility Group Holding ASA*		240,783		888
Pexip Holding ASA*		369,847		3,043
				8,015
Total Norway				14,018
Portugal 1.31%
Multi-Utilities
REN - Redes Energeticas Nacionais SGPS SA		2,238,816		6,254
South Korea 2.74%
Chemicals 0.97%
Soulbrain Co. Ltd/New		15,672		4,640
Food & Staples Retailing 0.69%
GS Retail Co., Ltd.		106,367		3,267
Semiconductors & Semiconductor Equipment 0.81%
WONIK IPS Co., Ltd.		96,043		3,879
Software 0.27%
Douzone Bizon Co. Ltd.		17,544		1,277
Total South Korea				13,063

34 See Notes to Schedule of Investments.

Schedule of Investments (unaudited)(continued)

LORD ABBETT SECURITIES TRUST – INTERNATIONAL OPPORTUNITIES FUND July 31, 2021

Investments	Shares		U.S. $ Fair Value (000)
Spain 2.80%
Containers & Packaging 1.45%
Vidrala SA		57,649	$	6,934
Independent Power and Renewable Electricity Producer 0.39%
Solaria Energia y Medio Ambiente SA*		95,694		1,849
Professional Services 0.96%
Applus Services SA		477,660		4,598
Total Spain				13,381
Sweden 5.26%
Auto Components 0.89%
Dometic Group AB†		250,772		4,256
Biotechnology 0.98%
Vitrolife AB		81,957		4,669
Commercial Services & Supplies 1.19%
Loomis AB		170,074		5,704
Food & Staples Retailing 0.48%
Axfood AB		85,511		2,314
Internet & Catalog Retail 0.72%
Boozt AB*†		159,288		3,429
Software 1.00%
Cint Group AB*		357,200		4,772
Total Sweden				25,144
Switzerland 5.11%
Aerospace & Defense 0.77%
Montana Aerospace AG*†		95,937		3,654
Containers & Packaging 1.06%
SIG Combibloc Group AG*		171,230		5,052
Insurance 0.49%
Swiss Life Holding AG		4,562		2,353

Investments	Shares		U.S. $ Fair Value (000)
Switzerland (continued)
Life Sciences Tools & Services 1.36%
Tecan Group AG		11,286	$	6,508
Machinery 1.43%
Sulzer AG		46,604		6,839
Total Switzerland				24,406
Taiwan 0.63%
Semiconductors & Semiconductor Equipment
Realtek Semiconductor Corp.		142,000		2,998
United Kingdom 19.04%
Aerospace & Defense 0.37%
Senior plc*		783,197		1,764
Beverages 1.70%
Britvic plc		598,463		8,107
Capital Markets 1.31%
Man Group plc		2,269,110		6,244
Construction Materials 0.99%
Breedon Group plc*		3,148,049		4,717
Consumer Finance 0.44%
Arrow Global Group plc*		496,634		2,102
Entertainment 0.82%
Frontier Developments plc*		74,957		2,766
Sumo Group plc*		172,689		1,162
				3,928
Equity Real Estate Investment Trusts 2.45%
Big Yellow Group plc		258,064		5,209
UNITE Group plc (The)		403,569		6,493
				11,702
Household Durables 0.87%
Focusrite plc		211,334		4,171

See Notes to Schedule of Investments. 35

Schedule of Investments (unaudited)(continued)

LORD ABBETT SECURITIES TRUST – INTERNATIONAL OPPORTUNITIES FUND July 31, 2021

Investments	Shares		U.S. $ Fair Value (000)
United Kingdom (continued)
Insurance 1.50%
Lancashire Holdings Ltd.		810,414	$	7,172
Internet & Direct Marketing Retail 0.49%
ASOS plc*		44,124		2,333
Machinery 0.79%
Concentric AB		163,095		3,753
Media 1.55%
S4 Capital plc*		769,816		7,426
Multi-Line Retail 0.79%
B&M European Value Retail SA		493,873		3,794
Pharmaceuticals 1.06%
Dechra Pharmaceuticals plc		73,074		5,048
Real Estate Management & Development 1.13%
Savills plc		338,007		5,398
Specialty Retail 0.99%
WH Smith plc*		209,003		4,714
Trading Companies & Distributors 1.79%
Grafton Group plc		478,639		8,539
Total United Kingdom				90,912
United States 1.22%
Exchange- Traded Funds
VanEck Vectors Junior Gold Miners		126,906		5,816
Total Common Stocks (cost $373,127,454)				457,045

Investments	Principal Amount (000)		U.S. $ Fair Value (000)
SHORT-TERM INVESTMENTS 3.38%
Repurchase Agreements
Repurchase Agreement dated 7/30/2021, 0.00% due 8/2/2021 with Fixed Income Clearing Corp. collateralized by $16,492,000 of U.S. Treasury Note at 0.375% due 07/15/2024; value: $16,497,094; proceeds: $16,173,610 (cost $16,173,610)	$	16,173	$	16,173
Total Investments in Securities 99.08% (cost $389,301,064)				473,218
Other Assets and Liabilities - Net(a) 0.92%				4,380
Net Assets 100.00%			$	477,598

ADR	American Depositary Receipt.
REIT	Real Estate Investment Trust.
*	Non-income producing security.
†	Security was purchased pursuant to Rule 144A under the Securities Act of 1933 and, unless registered under such Act or exempted from registration, may only be resold to qualified institutional buyers. At July 31, 2021, the total value of Rule 144A securities was $31,123, which represents 6.52% of net assets.
(a)	Other Assets and Liabilities - Net include net unrealized appreciation on total return swaps as follows:

36 See Notes to Schedule of Investments.

Schedule of Investments (unaudited)(concluded)

LORD ABBETT SECURITIES TRUST – INTERNATIONAL OPPORTUNITIES FUND July 31, 2021

Open Total Return Swap Contracts at July 31, 2021:

Swap Counterparty	Referenced Index*	Referenced Spread	Units	Position	Termination Date	Notional Amount	Notional Value	Unrealized Appreciation
Bank of America	MLLACEB	1 Mo. LIBOR + 0.49% + 2days	94,010	Long	6/15/2022	$7,973,928	$7,979,019	$5,091

* Merrill Lynch Custom Basket Index.

The following is a summary of the inputs used as of July 31, 2021 in valuing the Fund’s investments carried at fair value⁽¹⁾:

Investment Type(2)	Level 1 (000)		Level 2 (000)		Level 3 (000)		Total (000)
Common Stocks
Canada	$	12,742	$	–	$	–	$	12,742
Germany		3,395		26,286		–		29,681
Ireland		4,732		–		–		4,732
Israel		9,785		–		–		9,785
Japan		11,965		72,817		–		84,782
Mexico		6,018		–		–		6,018
Norway		4,972		9,046		–		14,018
Spain		6,934		6,447		–		13,381
Sweden		8,201		16,943		–		25,144
Switzerland		3,654		20,752		–		24,406
United Kingdom		41,654		49,258		–		90,912
United States		5,816		–		–		5,816
Remaining Countries		–		135,628		–		135,628
Short-Term Investments
Repurchase Agreements		–		16,173		–		16,173
Total	$	119,868	$	353,350	$	–	$	473,218
Other Financial Instruments
Total Return Swap Contracts
Assets		–		5		–		5
Liabilities		–		–		–		–
Total	$	–	$	5	$	–	$	5

(1)	Refer to Note 2(b) for a description of fair value measurements and the three-tier hierarchy of inputs.
(2)	See Schedule of Investments for fair values in each industry and identification of foreign issuers and/or geography. The table above is presented by Investment Type. Industries are presented within an Investment Type should such Investment Type include securities classified as two or more levels within the three-tier fair value hierarchy.

A reconciliation of Level 3 investments is presented when the Fund has a material amount of Level 3 investments at the beginning or end of the period in relation to the Fund’s net assets.

See Notes to Schedule of Investments. 37

Schedule of Investments (unaudited)

LORD ABBETT SECURITIES TRUST – INTERNATIONAL VALUE FUND July 31, 2021

Investments	Shares		U.S. $ Fair Value (000)
COMMON STOCKS 96.15%
Australia 4.49%
Banks 0.88%
National Australia Bank Ltd.		300,077	$	5,722
Equity Real Estate Investment Trusts 1.35%
Goodman Group		530,710		8,827
Metals & Mining 2.26%
BHP Group Ltd.		375,956		14,767
Total Australia				29,316
Austria 2.79%
Banks 1.55%
BAWAG Group AG†		178,274		10,128
Oil, Gas & Consumable Fuels 1.24%
OMV AG		150,094		8,104
Total Austria				18,232
Belgium 0.82%
Beverages
Anheuser-Busch InBev SA		85,165		5,375
Cambodia 0.20%
Hotels, Restaurants & Leisure
NagaCorp Ltd.		1,730,000		1,271
Canada 2.32%
Banks 1.29%
Royal Bank of Canada		83,100		8,405
Oil, Gas & Consumable Fuels 1.03%
Pembina Pipeline Corp.		203,933		6,741
Total Canada				15,146

Investments	Shares		U.S. $ Fair Value (000)
China 2.32%
Construction Materials 0.48%
China Resources Cement Holdings Ltd.		3,788,000	$	3,129
Insurance 0.26%
Ping An Insurance Group Co. of China Ltd. Class H		196,000		1,715
Internet & Direct Marketing Retail 0.33%
Alibaba Group Holding Ltd. ADR*		11,138		2,174
Real Estate Management & Development 0.55%
Logan Group Co., Ltd.		3,337,000		3,556
Specialty Retail 0.70%
Topsports International Holdings Ltd.†		3,266,000		4,558
Total China				15,132
Finland 1.47%
Banks
Nordea Bank Abp		816,278		9,559
France 18.94%
Aerospace & Defense 3.49%
Airbus SE*		57,043		7,825
Safran SA		43,651		5,713
Thales SA		88,156		9,252
				22,790
Banks 1.88%
Credit Agricole SA		881,998		12,298
Building Products 1.81%
Cie de Saint-Gobain		165,139		11,804
Construction & Engineering 1.05%
Vinci SA		64,641		6,844

38 See Notes to Schedule of Investments.

Schedule of Investments (unaudited)(continued)

LORD ABBETT SECURITIES TRUST – INTERNATIONAL VALUE FUND July 31, 2021

Investments	Shares		U.S. $ Fair Value (000)
France (continued)
Diversified Telecommunication Services 1.33%
Orange SA		779,031	$	8,670
Gas Utilities 0.78%
Rubis SCA		127,278		5,106
Information Technology Services 1.65%
Capgemini SE		49,701		10,743
Insurance 1.76%
AXA SA		442,845		11,468
Multi-Utilities 2.67%
Engie SA		627,435		8,367
Veolia Environnement SA		275,398		9,032
				17,399
Pharmaceuticals 2.52%
Sanofi		159,438		16,434
Total France				123,556
Germany 8.40%
Air Freight & Logistics 1.77%
Deutsche Post AG Registered Shares		170,129		11,530
Auto Components 0.94%
Continental AG *		45,168		6,136
Automobiles 1.31%
Volkswagen AG		25,748		8,545
Chemicals 1.48%
BASF SE		123,030		9,668
Insurance 1.89%
Allianz SE Registered Shares		49,666		12,345
Media 0.30%
Stroeer SE & Co. KGaA		24,785		1,960

Investments	Shares		U.S. $ Fair Value (000)
Germany (continued)
Semiconductors & Semiconductor Equipment 0.71%
Infineon Technologies AG		121,679	$	4,650
Total Germany				54,834
Hong Kong 1.33%
Real Estate Management & Development
Kerry Properties Ltd.		2,929,500		8,651
India 1.40%
Banks 0.72%
Federal Bank Ltd.		4,008,432		4,721
Oil, Gas & Consumable Fuels 0.68%
Petronet LNG Ltd.		1,509,864		4,431
Total India				9,152
Ireland 0.84%
Beverages
C&C Group plc *		1,660,852		5,467
Italy 1.21%
Electric: Utilities
Enel SpA		853,692		7,867
Japan 15.60%
Auto Components 2.03%
Denso Corp.		192,900		13,252
Banks 1.75%
Sumitomo Mitsui Financial Group, Inc.		337,800		11,387
Beverages 1.62%
Asahi Group Holdings Ltd.		235,500		10,596
Building Products 1.49%
Sanwa Holdings Corp.		801,600		9,755

See Notes to Schedule of Investments. 39

Schedule of Investments (unaudited)(continued)

LORD ABBETT SECURITIES TRUST – INTERNATIONAL VALUE FUND July 31, 2021

Investments	Shares		U.S. $ Fair Value (000)
Japan (continued)
Diversified Financial Services 1.56%
ORIX Corp.		580,800	$	10,161
Electrical Equipment 1.56%
Fuji Electric Co., Ltd.		232,700		10,184
Electronic Equipment, Instruments & Components 0.57%
TDK Corp.		32,500		3,708
Household Durables 1.41%
Sony Group Corp.		88,000		9,193
Industrial Conglomerates 1.52%
Hitachi Ltd.		172,700		9,934
Machinery 0.58%
Fujitec Co. Ltd.		171,300		3,806
Trading Companies & Distributors 1.51%
ITOCHU Corp.		332,400		9,839
Total Japan				101,815
Macau 0.19%
Hotels, Restaurants & Leisure
Sands China Ltd. *		366,000		1,247
Mexico 1.44%
Banks 0.65%
Grupo Financiero Banorte SAB de CV		657,766		4,264
Transportation Infrastructure 0.79%
Grupo Aeroportuario del Pacifico SAB de CV *		445,900		5,129
Total Mexico				9,393

Investments	Shares		U.S. $ Fair Value (000)
Netherlands 3.74%
Food & Staples Retailing 1.32%
Koninklijke Ahold Delhaize NV		278,311	$	8,651
Oil, Gas & Consumable Fuels 2.42%
Royal Dutch Shell plc Class A ADR		388,272		15,772
Total Netherlands				24,423
Singapore 0.95%
Banks
United Overseas Bank Ltd.		319,800		6,183
South Africa 1.76%
Metals & Mining
Anglo American plc		259,742		11,510
South Korea 1.99%
Technology Hardware, Storage & Peripherals
Samsung Electronics Co., Ltd.		190,410		13,012
Spain 1.15%
Banks
Banco Bilbao Vizcaya Argentaria SA *		1,172,566		7,506
Sweden 2.74%
Commercial Services & Supplies 1.22%
Loomis AB		237,304		7,959
Machinery 0.62%
Sandvik AB		155,384		4,052
Oil, Gas & Consumable Fuels 0.90%
Lundin Energy AB		188,919		5,889
Total Sweden				17,900

40 See Notes to Schedule of Investments.

Schedule of Investments (unaudited)(continued)

LORD ABBETT SECURITIES TRUST – INTERNATIONAL VALUE FUND July 31, 2021

Investments	Shares		U.S. $ Fair Value (000)
Switzerland 5.85%
Capital Markets 2.14%
UBS Group AG		847,782	$	13,968
Insurance 0.63%
Swiss Life Holding AG		7,967		4,109
Pharmaceuticals 3.08%
Novartis AG Registered Shares		116,409		10,765
Roche Holding AG		24,076		9,301
				20,066
Total Switzerland				38,143
United Kingdom 12.76%
Banks 1.12%
Standard Chartered plc		1,219,414		7,310
Electric: Utilities 1.14%
SSE plc		371,778		7,454
Equity Real Estate Investment Trusts 1.32%
UNITE Group plc (The)		536,383		8,630
Hotels, Restaurants & Leisure 0.35%
Entain PLC *		89,853		2,266
Household Durables 1.19%
Persimmon plc		192,809		7,777
Insurance 1.99%
Beazley plc *		674,971		3,682
Prudential plc		494,444		9,285
				12,967
Multi-Line Retail 0.98%
Next plc *		58,436		6,401
Pharmaceuticals 1.35%
AstraZeneca plc		76,500		8,791

Investments	Shares		U.S. $ Fair Value (000)
United Kingdom (continued)
Tobacco 2.06%
British American Tobacco plc		187,110	$	6,959
Imperial Brands plc		301,458		6,454
				13,413
Trading Companies & Distributors 1.26%
Ashtead Group plc		109,920		8,225
Total United Kingdom				83,234
United States 1.45%
Auto Components
Lear Corp.		53,999		9,449
Total Common Stocks (cost $547,548,143)				627,373
	Principal Amount (000)
SHORT-TERM INVESTMENTS 3.84%
Repurchase Agreements
Repurchase Agreement dated 7/30/2021, 0.00% due 8/2/2021 with Fixed Income Clearing Corp. collateralized by $24,147,600 of U.S. Treasury Note at 2.625% due 12/31/2023; value: $25,567,961; proceeds: $25,066,533 (cost $25,066,533)		$ 25,067		25,067
Total Investments in Securities 99.99% (cost $572,614,676)				652,440
Other Assets and Liabilities - Net 0.01%				67
Net Assets 100.00%			$	652,507

See Notes to Schedule of Investments. 41

Schedule of Investments (unaudited)(concluded)

LORD ABBETT SECURITIES TRUST – INTERNATIONAL VALUE FUND July 31, 2021

ADR	American Depositary Receipt.
†	Security was purchased pursuant to Rule 144A under the Securities Act of 1933 and, unless registered under such Act or exempted from registration, may only be resold to qualified institutional buyers. At July 31, 2021, the total value of Rule 144A securities was $14,686, which represents 2.25% of net assets.
*	Non-income producing security.

The following is a summary of the inputs used as of July 31, 2021 in valuing the Fund’s investments carried at fair value⁽¹⁾:

Investment Type(2)	Level 1 (000)		Level 2 (000)		Level 3 (000)		Total (000)
Common Stocks
Canada	$	15,146	$	–	$	–	$	15,146
China		2,174		12,958		–		15,132
Ireland		5,467		–		–		5,467
Mexico		9,393		–		–		9,393
Netherlands		15,772		8,651		–		24,423
Sweden		7,959		9,941		–		17,900
United Kingdom		12,312		70,922		–		83,234
United States		9,449		–		–		9,449
Remaining Countries		–		447,229		–		447,229
Short-Term Investments
Repurchase Agreements		–		25,067		–		25,067
Total	$	77,672	$	574,768	$	–	$	652,440

(1)	Refer to Note 2(b) for a description of fair value measurements and the three-tier hierarchy of inputs.
(2)	See Schedule of Investments for fair values in each industry and identification of foreign issuers and/or geography. The table above is presented by Investment Type. Industries are presented within an Investment Type should such Investment Type include securities classified as two or more levels within the three-tier fair value hierarchy.

A reconciliation of Level 3 investments is presented when the Fund has a material amount of Level 3 investments at the beginning or end of the period in relation to the Fund’s net assets.

42 See Notes to Schedule of Investments.

Schedule of Investments (unaudited)

LORD ABBETT SECURITIES TRUST – MICRO CAP GROWTH FUND July 31, 2021

Investments	Shares		Fair  Value  (000)
COMMON STOCKS 97.97%
Air Freight & Logistics 0.89%
Atlas Air Worldwide Holdings, Inc.*		53,887	$	3,609
Auto Components 1.74%
Gentherm, Inc.*		84,624		7,018
Banks 2.33%
Bancorp, Inc. (The)*		209,644		4,899
Silvergate Capital Corp. Class A*		43,977		4,521
Total				9,420
Beverages 1.44%
Celsius Holdings, Inc.*		84,701		5,813
Biotechnology 13.83%
Beam Therapeutics, Inc.*		24,582		2,262
CareDx, Inc.*		67,873		5,704
Curis, Inc.*		411,773		3,125
Insmed, Inc.*		71,747		1,765
Karuna Therapeutics, Inc.*		25,128		2,870
Krystal Biotech, Inc.*		109,301		6,388
MacroGenics, Inc.*		106,169		2,650
Myovant Sciences Ltd. (United Kingdom)*(a)		184,962		3,795
Protagonist Therapeutics, Inc.*		98,568		4,872
Rigel Pharmaceuticals, Inc.*		1,667,866		6,672
Rocket Pharmaceuticals, Inc.*		89,172		3,194
Syndax Pharmaceuticals, Inc.*		109,762		1,600
TG Therapeutics, Inc.*		74,170		2,595
Trillium Therapeutics, Inc. (Canada)*(a)		318,574		2,080
Turning Point Therapeutics, Inc.*		29,045		1,854
Verastem, Inc.*		512,844		1,657
Xenon Pharmaceuticals, Inc. (Canada)*(a)		165,148		2,852
Total				55,935

Investments	Shares		Fair  Value  (000)
Capital Markets 1.24%
Assetmark Financial Holdings, Inc.*		55,593	$	1,451
Piper Sandler Cos.		28,900		3,546
Total				4,997
Commercial Services & Supplies 1.48%
Montrose Environmental Group, Inc.*		111,132		5,967
Communications Equipment 2.95%
Calix, Inc.*		254,629		11,912
Construction & Engineering 1.60%
Ameresco, Inc. Class A*		94,216		6,457
Diversified Telecommunication Services 1.63%
Ooma, Inc.*		355,742		6,599
Electronic Equipment, Instruments & Components 1.98%
nLight, Inc.*		108,789		3,774
OSI Systems, Inc.*		42,273		4,229
Total				8,003
Entertainment 0.37%
IMAX Corp. (Canada)*(a)		93,662		1,512
Health Care Equipment & Supplies 12.01%
Axonics, Inc.*		140,079		9,518
CryoPort, Inc.*(b)		111,892		6,906
Inari Medical, Inc.*		29,707		2,668
NeuroPace, Inc.*		135,453		2,885
OrthoPediatrics Corp.*		112,533		7,072
Outset Medical, Inc.*		64,358		2,636
Pulmonx Corp.*		97,384		3,862
Shockwave Medical, Inc.*		19,249		3,503
SI-BONE, Inc.*		210,399		6,384
Treace Medical Concepts, Inc.*		103,085		3,119
Total				48,553

See Notes to Schedule of Investments. 43

Schedule of Investments (unaudited)(continued)

LORD ABBETT SECURITIES TRUST – MICRO CAP GROWTH FUND July 31, 2021

Investments	Shares		Fair Value (000)
Health Care Providers & Services 0.63%
Castle Biosciences, Inc.*		36,437	$	2,545
Health Care Technology 1.12%
Health Catalyst, Inc.*		77,743		4,514
Hotels, Restaurants & Leisure 1.04%
Lindblad Expeditions Holdings, Inc.*		160,353		2,195
Monarch Casino & Resort, Inc.*		31,367		2,003
Total				4,198
Household Durables 4.65%
Green Brick Partners, Inc.*		238,862		5,988
LGI Homes, Inc.*		34,427		5,884
Sonos, Inc.*		208,255		6,951
Total				18,823
Household Products 1.03%
Central Garden & Pet Co.*		86,680		4,186
Industrial Conglomerates 0.32%
Raven Industries, Inc.		22,163		1,291
Insurance 0.84%
Trupanion, Inc.*		29,537		3,397
Interactive Media & Services 0.84%
Eventbrite, Inc. Class A*		190,254		3,381
Internet Software & Services 1.06%
Cardlytics, Inc.*		34,039		4,288
Leisure Products 1.59%
Johnson Outdoors, Inc. Class A		14,912		1,765
Malibu Boats, Inc. Class A*		55,580		4,650
Total				6,415
Life Sciences Tools & Services 2.70%
Akoya Biosciences, Inc.*		96,776		1,678
NanoString Technologies, Inc.*		74,165		4,594
Quanterix Corp.*		87,189		4,634
Total				10,906

Investments	Shares		Fair  Value  (000)
Machinery 6.14%
Chart Industries, Inc.*		35,393	$	5,502
Evoqua Water Technologies Corp.*		119,995		3,961
Hydrofarm Holdings Group, Inc.*		59,848		2,953
Shyft Group, Inc. (The)		229,703		9,059
Westport Fuel System, Inc. (Canada)*(a)(b)		833,691		3,343
Total				24,818
Media 1.50%
Criteo SA ADR*		156,741		6,080
Personal Products 1.49%
elf Beauty, Inc.*		151,518		4,183
Honest Co., Inc. (The)*(b)		128,028		1,840
Total				6,023
Pharmaceuticals 2.09%
Intra-Cellular Therapies, Inc.*		180,061		6,181
Pliant Therapeutics, Inc.*		112,672		2,276
Total				8,457
Professional Services 2.08%
Kforce, Inc.		64,996		4,058
Willdan Group, Inc.*		105,956		4,370
Total				8,428
Road & Rail 0.77%
HyreCar, Inc.*(b)		177,984		3,111
Semiconductors & Semiconductor Equipment 5.69%
CEVA, Inc.*		104,462		5,185
Ichor Holdings Ltd.*		147,195		7,591
Impinj, Inc.*		74,451		3,425
Rambus, Inc.*		288,274		6,821
Total				23,022

44 See Notes to Schedule of Investments.

Schedule of Investments (unaudited)(continued)

LORD ABBETT SECURITIES TRUST – MICRO CAP GROWTH FUND July 31, 2021

Investments	Shares		Fair  Value  (000)
Software 9.90%
Agilysys, Inc.*		181,673	$	10,094
Cerence, Inc.*		71,503		7,687
Domo, Inc. Class B*		52,040		4,597
Sprout Social, Inc. Class A*		90,312		8,023
Telos Corp.*		201,438		5,644
Zuora, Inc. Class A*		229,768		3,973
Total				40,018
Specialty Retail 5.20%
Children’s Place, Inc. (The)*		32,138		2,710
Citi Trends, Inc.*		60,355		4,813
Container Store Group, Inc. (The)*		567,555		5,971
MarineMax, Inc.*		34,334		1,847
Sleep Number Corp.*		57,256		5,680
Total				21,021
Technology Hardware, Storage & Peripherals 1.13%
Avid Technology, Inc.*		122,435		4,578
Tobacco 1.64%
Turning Point Brands, Inc.		125,257		6,641
Trading Companies & Distributors 1.03%
Rush Enterprises, Inc. Class A		89,025		4,183
Total Common Stocks (cost $337,168,256)				396,119

Investments	Principal  Amount  (000)		Fair  Value  (000)
SHORT-TERM INVESTMENTS 3.04%
Repurchase Agreements 2.47%
Repurchase Agreement dated 7/30/2021, 0.00% due 8/2/2021 with Fixed Income Clearing Corp. collateralized by $10,168,800 of U.S. Treasury Note at 0.375% due 07/15/2024; value: $10,171,941; proceeds: $9,972,407 (cost $9,972,407)		$     9,973	$	9,973
	Shares
Money Market Funds 0.51%
Fidelity Government Portfolio(c) (cost $2,080,129)		2,080,129		2,080
Time Deposits 0.06%
CitiBank N.A.(c) (cost $231,126)		231,126		231
Total Short-Term Investments (cost $12,283,662)				12,284
Total Investments in Securities 101.01% (cost $349,451,918)				408,403
Other Assets and Liabilities – Net (1.01)%				(4,089	)
Net Assets 100.00%			$	404,314

ADR	American Depositary Receipt.
*	Non-income producing security.
(a)	Foreign security traded in U.S. dollars.
(b)	All or a portion of this security is temporarily on loan to unaffiliated broker/dealers.
(c)	Security was purchased with the cash collateral from loaned securities.

See Notes to Schedule of Investments. 45

Schedule of Investments (unaudited)(concluded)

LORD ABBETT SECURITIES TRUST – MICRO CAP GROWTH FUND July 31, 2021

The following is a summary of the inputs used as of July 31, 2021 in valuing the Fund’s investments carried at fair value⁽¹⁾:

Investment Type(2)	Level 1 (000)		Level 2 (000)		Level 3 (000)		Total (000)
Common Stocks	$	396,119	$	–	$	–	$	396,119
Short-Term Investments
Repurchase Agreements		–		9,973		–		9,973
Money Market Funds		2,080		–		–		2,080
Time Deposits		–		231		–		231
Total	$	398,199	$	10,204	$	–	$	408,403

(1)	Refer to Note 2(b) for a description of fair value measurements and the three-tier hierarchy of inputs.
(2)	See Schedule of Investments for fair values in each industry and identification of foreign issuers and/or geography.

A reconciliation of Level 3 investments is presented when the Fund has a material amount of Level 3 investments at the beginning or end of the period in relation to the Fund’s net assets.

46 See Notes to Schedule of Investments.

Schedule of Investments (unaudited)

LORD ABBETT SECURITIES TRUST – VALUE OPPORTUNITIES FUND July 31, 2021

Investments	Shares		Fair  Value  (000)
COMMON STOCKS 99.52%
Auto Components 3.40%
Dorman Products, Inc.*		168,970	$	17,091
LCI Industries		124,245		18,118
Lear Corp.		154,841		27,094
Total				62,303
Banks 6.74%
East West Bancorp, Inc.		429,835		30,583
Pacific Premier Bancorp, Inc.		540,857		20,542
Signature Bank		114,673		26,027
SVB Financial Group*		31,984		17,590
Western Alliance Bancorp		308,155		28,603
Total				123,345
Biotechnology 1.04%
Horizon Therapeutics plc*		189,591		18,963
Building Products 4.22%
Allegion plc (Ireland)(a)		137,287		18,753
Masonite International Corp.*		264,024		29,877
Simpson Manufacturing Co., Inc.		254,996		28,682
Total				77,312
Capital Markets 1.00%
Moelis & Co. Class A		310,056		18,371
Chemicals 4.87%
Avient Corp.		552,622		26,813
Axalta Coating Systems Ltd.*		901,458		27,134
Valvoline, Inc.		1,145,112		35,132
Total				89,079
Construction & Engineering 1.45%
EMCOR Group, Inc.		217,202		26,458
Containers & Packaging 1.73%
Avery Dennison Corp.		150,103		31,624

Investments	Shares		Fair  Value  (000)
Electric: Utilities 2.11%
IDACORP, Inc.		190,782	$	20,118
Portland General Electric Co. 380,167				18,590
Total				38,708
Electrical Equipment 1.86%
Generac Holdings, Inc.*		80,998		33,967
Electronic Equipment, Instruments & Components 2.46%
Advanced Energy Industries, Inc.		144,243		14,965
Littelfuse, Inc.		113,140		30,094
Total				45,059
Food & Staples Retailing 1.66%
BJ’s Wholesale Club Holdings, Inc.*		598,283		30,297
Health Care Equipment & Supplies 5.82%
Cooper Cos., Inc. (The)		45,112		19,027
Hill-Rom Holdings, Inc.		236,198		32,704
NuVasive, Inc.*		342,985		21,934
STERIS plc		150,584		32,820
Total				106,485
Health Care Providers & Services 3.19%
Covetrus, Inc.*		466,873		11,887
Encompass Health Corp.		199,127		16,577
Molina Healthcare, Inc.*		109,851		29,990
Total				58,454
Hotels, Restaurants & Leisure 1.53%
Caesars Entertainment, Inc.*		320,100		27,964
Household Durables 4.70%
Helen of Troy Ltd.*		89,373		19,965
Leggett & Platt, Inc.		518,700		24,913
Purple Innovation, Inc.*		765,815		20,171
Sonos, Inc.*		626,710		20,920
Total				85,969
Industrial Conglomerates 1.88%
Carlisle Cos., Inc.		170,288		34,439

See Notes to Schedule of Investments. 47

Schedule of Investments (unaudited)(continued)

LORD ABBETT SECURITIES TRUST – VALUE OPPORTUNITIES FUND July 31, 2021

Investments	Shares		Fair  Value  (000)
Information Technology Services 5.89%
Alliance Data Systems Corp.		274,848	$	25,630
Euronet Worldwide, Inc.*		246,004		35,134
Jack Henry & Associates, Inc.		145,728		25,370
Sabre Corp.*		1,843,152		21,731
Total				107,865
Insurance 3.20%
American Financial Group, Inc.		220,279		27,863
Stewart Information Services Corp.		520,660		30,724
Total				58,587
Internet Software & Services 1.30%
TechTarget, Inc.*		326,271		23,844
Leisure Products 0.59%
Malibu Boats, Inc. Class A*		128,608		10,759
Life Sciences Tools & Services 7.00%
Bio-Techne Corp.		66,437		32,039
Charles River Laboratories International, Inc.*		84,994		34,586
PerkinElmer, Inc.		188,929		34,428
Repligen Corp.*		110,326		27,107
Total				128,160
Machinery 4.89%
Allison Transmission Holdings, Inc.		733,926		29,291
Columbus McKinnon Corp.		536,004		24,870
Crane Co.		364,195		35,411
Total				89,572
Media 1.39%
Criteo SA ADR*		654,652		25,394
Metals & Mining 1.49%
Reliance Steel & Aluminum Co.		173,529		27,270

Investments	Shares		Fair Value (000)
Oil, Gas & Consumable Fuels 2.49%
Chesapeake Energy Corp.		294,066	$	15,894
Par Pacific Holdings, Inc.*		918,469		15,045
Pioneer Natural Resources Co.		100,519		14,612
Total				45,551
Professional Services 1.36%
Booz Allen Hamilton Holding Corp.		290,061		24,890
Real Estate Investment Trusts 5.68%
Alexandria Real Estate Equities, Inc.		100,318		20,198
CoreSite Realty Corp.		203,521		28,129
First Industrial Realty Trust, Inc.		566,336		31,024
Sunstone Hotel Investors, Inc.*		2,130,700		24,588
Total				103,939
Real Estate Management & Development 0.96%
Marcus & Millichap, Inc.*		441,000		17,548
Road & Rail 1.43%
Saia, Inc.*		115,951		26,205
Semiconductors & Semiconductor Equipment 3.41%
Entegris, Inc.		294,559		35,535
Silicon Motion Technology Corp. ADR		359,590		26,966
Total				62,501
Software 3.16%
Aspen Technology, Inc.*		185,639		27,151
Fair Isaac Corp.*		58,668		30,737
Total				57,888

48 See Notes to Schedule of Investments.

Schedule of Investments (unaudited)(concluded)

LORD ABBETT SECURITIES TRUST – VALUE OPPORTUNITIES FUND July 31, 2021

Investments	Shares		Fair  Value  (000)
Specialty Retail 2.69%
Burlington Stores, Inc.*		66,443	$	22,245
Williams-Sonoma, Inc.		177,666		26,952
Total				49,197
Tobacco 1.43%
Turning Point Brands, Inc.		492,236		26,098
Trading Companies & Distributors 1.50%
AerCap Holdings NV (Ireland)*(a)		519,397		27,528
Total Common Stocks (cost $1,308,952,935)				1,821,593

Investments	Principal Amount (000)		Fair Value (000)
SHORT-TERM INVESTMENTS 0.68%
Repurchase Agreements
Repurchase Agreement dated 7/30/2021, 0.00% due 8/2/2021 with Fixed Income Clearing Corp. collateralized by $12,073,700 of U.S. Treasury Note at 2.50% due 08/15/2023; value: $12,775,351; proceeds: $12,524,832 (cost $12,524,832)	$	12,525	$	12,525
Total Investments in Securities 100.20% (cost $1,321,477,767)				1,834,118
Other Assets and Liabilities – Net (0.20)%				(3,712	)
Net Assets 100.00%			$	1,830,406

ADR	American Depositary Receipt.
*	Non-income producing security.
(a)	Foreign security traded in U.S. dollars.

The following is a summary of the inputs used as of July 31, 2021 in valuing the Fund’s investments carried at fair value⁽¹⁾:

Investment Type(2)	Level 1 (000)		Level 2 (000)		Level 3 (000)		Total (000)
Common Stocks	$	1,821,593	$	–	$	–	$	1,821,593
Short-Term Investments
Repurchase Agreements		–		12,525		–		12,525
Total	$	1,821,593	$	12,525	$	–	$	1,834,118

(1)	Refer to Note 2(b) for a description of fair value measurements and the three-tier hierarchy of inputs.
(2)	See Schedule of Investments for fair values in each industry and identification of foreign issuers and/or geography.

A reconciliation of Level 3 investments is presented when the Fund has a material amount of Level 3 investments at the beginning or end of the period in relation to the Fund’s net assets.

See Notes to Schedule of Investments. 49

Notes to Financial Statements (unaudited)

1. ORGANIZATION  

Lord Abbett Securities Trust (the “Trust”) is registered under the Investment Company Act of 1940, as amended (the “Act”), as a diversified, open-end management investment company and was organized as a Delaware statutory trust on February 26, 1993. The Trust consists of the following fourteen funds (separately, a “Fund” and collectively, the “Funds”): Lord Abbett Alpha Strategy Fund (“Alpha Strategy Fund”), Lord Abbett Durable Growth Fund (“Durable Growth Fund”), Lord Abbett Focused Growth Fund (“Focused Growth Fund”), Lord Abbett Focused Large Cap Value Fund (“Focused Large Cap Value Fund”), Lord Abbett Focused Small Cap Value (“Focused Small Cap Value Fund,” formerly “Micro-Cap Value Fund”), Lord Abbett Fundamental Equity Fund (“Fundamental Equity Fund”), Lord Abbett Global Equity Research Fund (“Global Equity Research Fund”), Lord Abbett Growth Leaders Fund (“Growth Leaders Fund”), Lord Abbett Health Care Fund (“Health Care Fund”), Lord Abbett International Equity Fund (“International Equity Fund”), Lord Abbett International Value Fund (“International Value Fund”), Lord Abbett International Opportunities Fund (“International Opportunities Fund”), Lord Abbett Micro-Cap Growth Fund (“Micro Cap Growth Fund”) and Lord Abbett Value Opportunities Fund (“Value Opportunities Fund”).

Each of Alpha Strategy Fund’s, Focused Large Cap Value Fund’s, Focused Small Cap Value Fund’s, Global Equity Research Fund’s, Health Care Fund’s, International Equity Fund’s, International Opportunities Fund’s, and Value Opportunities Fund’s investment objective is to seek long- term capital appreciation. Alpha Strategy Fund invests principally in other funds (“Underlying Funds”) managed by Lord, Abbett & Co. LLC (“Lord Abbett”). Fundamental Equity Fund’s investment objective is long- term growth of capital and income without excessive fluctuations in market value. Durable Growth Fund, Growth Leaders Fund’s and Focused Growth Fund’s investment objective is to seek capital appreciation. International Value Fund’s investment objective is to seek a high level of total return.

2. SIGNIFICANT ACCOUNTING POLICIES  

(a)

Investment Valuation-Under procedures approved by the Funds’ Board of Trustees (the “Board”), Lord, Abbett & Co. LLC (“Lord Abbett”), the Fund’s investment manager, has formed a Pricing Committee to administer the pricing and valuation of portfolio investments and to ensure that prices utilized reasonably reflect fair value. Among other things, these procedures allow the Funds to utilize independent pricing services, quotations from securities and financial instrument dealers and other market sources to determine fair value.

Securities actively traded on any recognized U.S. or non-U.S. exchange or on The NASDAQ Stock Market LLC are valued at the last sale price or official closing price on the exchange or system on which they are principally traded. Events occurring after the close of trading on non-U.S. exchanges may result in adjustments to the valuation of foreign securities to more accurately reflect their fair value as of the close of regular trading on the New York Stock Exchange. When valuing foreign equity securities that meet certain criteria, the Board has approved the use of an independent fair valuation service that values such securities to reflect market trading that occurs after the close of the applicable foreign markets of comparable securities or other instruments that correlate to the fair-valued securities. Unlisted equity securities are valued at the last quoted sale price or, if no sale price is available, at the mean between the most recently quoted bid and asked prices. Exchange traded options and futures contracts are valued at the last sale price in the market where they are principally traded. If no sale has occurred, the mean between the most recently quoted bid and asked prices is used. Fixed income securities are valued based on evaluated prices supplied by independent pricing services, which reflect broker/dealer supplied valuations and the independent pricing services’ own electronic data processing techniques. Floating rate loans are valued at the average of bid and ask quotations obtained from dealers in loans on the basis of prices supplied by independent pricing services. Forward foreign currency exchange contracts are valued using daily forward exchange rates. Swaps are valued daily using independent pricing services or quotations from broker/dealers to the extent available. Investments in the Underlying Funds are valued at their net asset value ("NAV") each business day at the close of regular trading on the NYSE, normally 4:00 p.m. Eastern time.

50

Notes to Financial Statements (unaudited)(continued)

	Securities for which prices are not readily available are valued at fair value as determined by the Pricing Committee. The Pricing Committee considers a number of factors, including observable and unobservable inputs, when arriving at fair value. The Pricing Committee may use related or comparable assets or liabilities, recent transactions, market multiples, book values and other relevant information to determine the fair value of portfolio investments. The Board or a designated committee thereof regularly reviews fair value determinations made by the Pricing Committee and may employ techniques such as reviewing related market activity, reviewing inputs and assumptions, and retrospectively comparing prices of subsequent purchases and sales transactions to fair value determinations made by the Pricing Committee.
	Short-term securities with 60 days or less remaining to maturity are valued using the amortized cost method, which approximates fair value.
(b)	Fair Value Measurements-Fair value is defined as the price that each Fund would receive upon selling an investment or transferring a liability in an orderly transaction to an independent buyer in the principal or most advantageous market of the investment. A three-tier hierarchy is used to maximize the use of observable market data and minimize the use of unobservable inputs and to establish classification of fair value measurements for disclosure purposes. Inputs refer broadly to the assumptions that market participants would use in pricing the asset or liability, including assumptions about risk - for example, the risk inherent in a particular valuation technique used to measure fair value (such as a pricing model) and/or the risk inherent in the inputs to the valuation technique. Inputs may be observable or unobservable. Observable inputs reflect the assumptions market participants would use in pricing the asset or liability. Observable inputs are based on market data obtained from sources independent of the reporting entity. Unobservable inputs reflect the reporting entity’s own assumptions about the assumptions market participants would use in pricing the asset or liability. Unobservable inputs are based on the best information available in the circumstances. The three-tier hierarchy classification is determined based on the lowest level of inputs that is significant to the fair value measurement, and is summarized in the three broad Levels listed below:

•	Level 1 -	unadjusted quoted prices in active markets for identical investments;
•	Level 2 -	other significant observable inputs (including quoted prices for similar investments, interest rates, prepayment speeds, credit risk, etc.); and
•	Level 3 -	significant unobservable inputs (including each Fund’s own assumptions in determining the fair value of investments).

A summary of inputs used in valuing each Fund’s investments and other financial instruments as of July 31, 2021 and, if applicable, Level 3 rollforwards for the period then ended is included in each Fund’s Schedule of Investments.

Changes in valuation techniques may result in transfers into or out of an assigned level within the three-tier hierarchy. The inputs or methodology used for valuing securities are not necessarily an indication of the risk associated with investing in those securities.

51

Notes to Financial Statements (unaudited)(continued)

3. FEDERAL TAX INFORMATION  

It is the policy of the Funds to meet the requirements of Subchapter M of the Internal Revenue Code applicable to regulated investment companies and to distribute substantially all taxable income and capital gains to its shareholders. Therefore, no income tax provision is required.

The Funds files U.S. federal and various state and local tax returns. No income tax returns are currently under examination. The statute of limitations on the Funds’ filed U.S. federal tax returns remains open generally three years after the filing of the tax return. The statutes of limitations on the Fund’s, state and local tax returns may remain open for an additional year depending upon the jurisdiction.

4. SECURITIES LENDING AGREEMENT  

The Funds have established a securities lending agreement with Citibank, N.A. for the lending of securities to qualified brokers in exchange for securities or cash collateral equal to at least the market value of securities loaned, plus interest, if applicable. Cash collateral is invested in an approved money market fund. In accordance with the Funds’ securities lending agreement, the market value of securities on loan is determined each day at the close of business and any additional collateral required to cover the value of securities on loan is delivered to the Funds on the next business day. As with other extensions of credit, the Funds may experience a delay in the recovery of their securities or incur a loss should the borrower of the securities breach its agreement with the Funds become insolvent at a time when the collateral is insufficient to cover the cost of repurchasing securities on loan.

The initial collateral received by the Funds is required to have a value equal to at least 100% of the market value of the securities loaned. The collateral must be marked-to-market daily to cover increases in the market value of the securities loaned (or potentially a decline in the value of the collateral). In general, the risk of borrower default will be borne by Citibank, N.A.; the Funds will bear the risk of loss with respect to the investment of the cash collateral. The advantage of such loans is that the Fund continues to receive income on loaned securities while receiving a portion of any securities lending fees and earning returns on the cash amounts which may be reinvested for the purchase of investments in securities.

As of July 31, 2021, the market value of securities loaned and collateral received for the Funds were as follows:

Funds	Market Value of Securities Loaned		Collateral Received
Durable Growth Fund	$	83,267	$	85,716
Focused Small Cap Value Fund		541,100		560,000
Growth Leaders Fund		8,414,320		44,208,754
International Equity Fund		298,590		305,853
Micro Cap Growth Fund		2,215,870		2,311,255

52

Notes to Financial Statements (unaudited)(concluded)

5. TRANSACTIONS WITH AFFILIATED ISSUERS  

An affiliated issuer is one in which a Fund has ownership of at least 5% of the outstanding voting securities of the underlying issuer at any point during the fiscal year or any company which is under common ownership or control. Alpha Strategy Fund had the following transactions with affiliated issuers (i.e. the Underlying Funds) during the period ended July 31, 2021:

Alpha Strategy Fund
Affiliated Issuer	Value at 10/31/2020		Purchases at Cost		Proceeds from Sales			Net Realized Gain(Loss)			Net Change in Appreciation (Depreciation)		Value at 7/31/2021		Shares as of 7/31/2021		Dividend Income
Lord Abbett Developing Growth Fund, Inc. - Class I	$	135,399,903	$	19,300,058	$	(9,573,493	)	$	16,961,025	(a)	$	20,842,099	$	171,322,488		4,278,783	$	–
Lord Abbett Securities Trust - Focused Small Cap Value Fund - Class I		67,384,060		1,459,571		(15,309,409	)		(1,445,992	)		38,087,639		90,175,869		2,830,379		785,231
Lord Abbett Securities Trust - International Opportunities Fund - Class I		129,478,917		5,573,683		(2,842,313	)		579,881			47,694,492		180,484,660		8,148,292		–
Lord Abbett Securities Trust - Micro-Cap Growth Fund - Class I		67,247,368		17,568,130		(15,804,251	)		21,487,620	(b)		8,255,288		82,368,826		3,533,626		–
Lord Abbett Research Fund, Inc. - Small-Cap Value Fund - Class I		133,392,192		2,293,936		(19,238,995	)		(7,776,863	)		68,374,161		177,044,431		8,040,165		1,619,595
Lord Abbett Securities Trust - Value Opportunities Fund - Class I		135,999,158		9,098,778		(7,655,040	)		7,694,518	(c)		46,026,487		183,664,089		7,736,482		681,801
Total	$	668,901,598	$	55,294,156	$	(70,423,501	)	$	37,500,189		$	229,280,166	$	885,060,363		34,567,727	$	3,086,627

(a)	Includes $11,607,104 of distributed capital gains.
(b)	Includes $16,385,329 of distributed capital gains.
(c)	Includes $7,499,812 of distributed capital gains.

53

Investments in Underlying Funds (unaudited)

Alpha Strategy Fund invests in Underlying Funds managed by Lord Abbett. As of July 31, 2021, Alpha Strategy Fund’s long-term investments were allocated among the Underlying Funds as follows:

Underlying Fund Name	% of Investments
Lord Abbett Developing Growth Fund, Inc. – Class I	19.36%
Lord Abbett Research Fund, Inc. – Small Cap Value Fund – Class I	20.00%
Lord Abbett Securities Trust – Focused Small Cap Value Fund – Class I	10.19%
Lord Abbett Securities Trust – International Opportunities Fund – Class I	20.39%
Lord Abbett Securities Trust – Micro-Cap Growth Fund – Class I	9.31%
Lord Abbett Securities Trust – Value Opportunities Fund – Class I	20.75%

The Ten Largest Holdings and the Holdings by Sector or Credit Rating, as of July 31, 2021, for each Underlying Fund are presented below. Each Underlying Fund’s annual and semiannual reports, which are sent to shareholders and filed with the SEC, contain information about the Underlying Fund’s portfolio holdings, including a complete schedule of holdings. A complete schedule of holdings for each Underlying Fund is also filed with the SEC on Form N-PORT as of the end of each respective Underlying Fund’s first and third quarters. In addition, on or about the first day of the second month following each calendar quarter-end, each Fund makes publicly available a complete schedule of its portfolio holdings as of the last day of each such quarter. The information for the most recently ended calendar quarter may be viewed at www.lordabbett.com or requested at no charge by calling Lord Abbett at 888-522-2388.

Lord Abbett Developing Growth Fund, Inc.

Ten Largest Holdings	% of Investments
Crocs, Inc.	2.52%
LGI Homes, Inc.	2.18%
Axon Enterprise, Inc.	2.16%
Endava plc ADR	2.04%
Axonics, Inc.	2.00%
RH	1.89%
Shift4 Payments, Inc. Class A	1.83%
Natera, Inc.	1.76%
Chart Industries, Inc.	1.75%
Calix, Inc.	1.70%
Holdings by Sector*	% of Investments
Communication Services	2.81%
Consumer Discretionary	21.50%
Consumer Staples	1.55%
Financials	5.40%
Health Care	24.88%
Industrials	12.45%
Information Technology	26.33%
Materials	2.48%
Repurchase Agreements	1.23%
Money Market Funds(a)	1.23%
Time Deposits(a)	0.14%
Total	100.00%

*	A sector may comprise several industries.
(a)	Securities were purchased with the cash collateral from loaned securities.

54

Investments in Underlying Funds (unaudited)(continued)

Focused Small Cap Value Fund

Ten Largest Holdings	% of Investments
International Money Express, Inc.	3.04%
RR Donnelley & Sons Co.	3.02%
Bancorp, Inc. (The)	2.88%
Turning Point Brands, Inc.	2.73%
Silicon Motion Technology Corp. ADR	2.52%
Sunstone Hotel Investors, Inc.	2.48%
Victory Capital Holdings, Inc. Class A	2.43%
Masonite International Corp.	2.41%
Spectrum Brands Holdings, Inc.	2.41%
Valaris Ltd.	2.38%
Holdings by Sector*	% of Investments
Communication Services	5.83%
Consumer Discretionary	9.86%
Consumer Staples	5.13%
Energy	9.31%
Financials	28.92%
Health Care	1.48%
Industrials	17.96%
Information Technology	10.94%
Materials	3.42%
Real Estate	6.32%
Repurchase Agreements	0.59%
Money Market Funds(a)	0.22%
Time Deposits(a)	0.02%
Total	100.00%

*	A sector may comprise several industries.
(a)	Securities were purchased with the cash collateral from loaned securities.

International Opportunities Fund

Ten Largest Holdings	% of Investments
Grafton Group plc	1.80%
Britvic plc	1.71%
UTI Asset Management Co. Ltd.	1.71%
Rheinmetall AG	1.64%
S4 Capital plc	1.57%
Coca-Cola Bottlers Japan Holdings, Inc.	1.54%
Marel HF	1.53%
Banca Mediolanum SpA	1.52%
Lancashire Holdings Ltd.	1.52%
Sanwa Holdings Corp.	1.50%

55

Investments in Underlying Funds (unaudited)(continued)

Holdings by Sector*	% of Investments
Communication Services	3.87%
Consumer Discretionary	10.78%
Consumer Staples	5.54%
Financials	14.72%
Health Care	6.54%
Industrials	22.16%
Information Technology	12.66%
Materials	8.95%
Real Estate	8.32%
Utilities	3.04%
Repurchase Agreements	3.42%
Total	100.00%

* A sector may comprise several industries.

Micro Cap Growth Fund

Ten Largest Holdings	% of Investments
Calix, Inc.	2.92%
Agilysys, Inc.	2.47%
Axonics, Inc.	2.33%
Shyft Group, Inc. (The)	2.22%
Sprout Social, Inc. Class A	1.96%
Cerence, Inc.	1.88%
Ichor Holdings Ltd.	1.86%
OrthoPediatrics Corp.	1.73%
Gentherm, Inc.	1.72%
Sonos, Inc.	1.70%
Holdings by Sector*	% of Investments
Communication Services	4.30%
Consumer Discretionary	14.07%
Consumer Staples	5.55%
Financials	4.36%
Health Care	32.06%
Industrials	14.17%
Information Technology	22.48%
Repurchase Agreements	2.44%
Money Market Funds(a)	0.51%
Time Deposits(a)	0.06%
Total	100.00%

*	A sector may comprise several industries.
(a)	Securities were purchased with the cash collateral from loaned securities.

56

Investments in Underlying Funds (unaudited)(continued)

Lord Abbett Research Fund, Inc. – Small Cap Value Fund

Ten Largest Holdings	% of Investments
Bancorp Inc. (The)	2.40%
Crane Co.	2.25%
International Money Express, Inc.	2.02%
Turning Point Brands, Inc.	2.01%
Spectrum Brands Holdings, Inc.	2.00%
Triumph Bancorp, Inc.	1.94%
Valvoline, Inc.	1.93%
Avient Corp.	1.92%
Silicon Motion Technology Corp. ADR	1.90%
STAG Industrial, Inc.	1.86%
Holdings by Sector*	% of Investments
Communication Services	5.80%
Consumer Discretionary	8.49%
Consumer Staples	4.00%
Energy	6.29%
Financials	23.26%
Health Care	6.50%
Industrials	16.69%
Information Technology	10.43%
Materials	6.00%
Real Estate	9.50%
Transportation	1.03%
Utilities	1.65%
Repurchase Agreements	0.36%
Total	100.00%

* A sector may comprise several industries.

Value Opportunities Fund

Ten Largest Holdings	% of Investments
Entegris, Inc.	1.94%
Crane Co.	1.93%
Euronet Worldwide, Inc.	1.92%
Valvoline, Inc.	1.92%
Charles River Laboratories International, Inc.	1.89%
Carlisle Cos., Inc.	1.88%
PerkinElmer, Inc.	1.88%
Generac Holdings, Inc.	1.85%
STERIS plc	1.79%
Hill-Rom Holdings, Inc.	1.78%

57

Investments in Underlying Funds (unaudited)(concluded)

Holdings by Sector*	% of Investments
Communication Services	1.39%
Consumer Discretionary	12.88%
Consumer Staples	3.08%
Energy	2.48%
Financials	10.92%
Health Care	17.01%
Industrials	18.56%
Information Technology	16.20%
Materials	8.07%
Real Estate	6.62%
Utilities	2.11%
Repurchase Agreements	0.68%
Total	100.00%

* A sector may comprise several industries.

58

QPHR-SET-3Q

(09/21)