# EDGAR Filing Document

**Accession Number:** 0000898031
**File Stem:** 0001410368-26-068165
**Filing Date:** 2026-6
**Character Count:** 23956
**Document Hash:** 1621333a2b5dfeab7337d7fd3e4939e9
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001410368-26-068165.hdr.sgml**: 20260629

**ACCESSION NUMBER**: 0001410368-26-068165

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260430

**FILED AS OF DATE**: 20260629

**DATE AS OF CHANGE**: 20260629

**PERIOD START**: 20261031

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** LORD ABBETT SECURITIES TRUST
- **CENTRAL INDEX KEY:** 0000898031

**ORGANIZATION NAME:**
- **EIN:** 133712440
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1031

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-07538
- **FILM NUMBER:** 261132423

**BUSINESS ADDRESS:**
- **STREET 1:** 30 HUDSON STREET
- **CITY:** JERSEY CITY
- **STATE:** NJ
- **ZIP:** 07302
- **BUSINESS PHONE:** 201-827-2000

**MAIL ADDRESS:**
- **STREET 1:** 30 HUDSON STREET
- **CITY:** JERSEY CITY
- **STATE:** NJ
- **ZIP:** 07302

## Series and Classes Contracts Data

### Lord Abbett Growth Leaders Fund (Series ID: S000032915)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000101588 | Class A      | LGLAX           |
| C000101589 | Class C      | LGLCX           |
| C000101590 | Class F      | LGLFX           |
| C000101591 | Class I      | LGLIX           |
| C000101592 | Class R2     | LGLQX           |
| C000101593 | Class R3     | LGLRX           |
| C000155685 | Class R4     | LGLSX           |
| C000155686 | Class R5     | LGLUX           |
| C000155687 | Class R6     | LGLVX           |
| C000184541 | Class F3     | LGLOX           |

## Form NPORT-P: Monthly Portfolio Investments Report

### NPORT-P: Part A: General Information

**Item A.1. Information about the Registrant.**

- **a. Name of Registrant:** LORD ABBETT SECURITIES TRUST

- **b. Investment Company Act file number:** 811-07538

- **c. CIK number of Registrant:** 0000898031

- **d. LEI of Registrant:** 5493002HV0D15KTWO412

- **e. Address and telephone number of Registrant.**

  - **Street Address 1:** 30 HUDSON STREET

  - **City:** JERSEY CITY

  - **State:** NJ

  - **Foreign country:** US

  - **Zip / Postal Code:** 07302

  - **Telephone number:** 201-827-2000

**Item A.2. Information about the Series.**

- **a. Name of Series:** Lord Abbett Growth Leaders Fund

- **b. EDGAR series identifier (if any):** S000032915

- **c. LEI of Series:** 54930074HNMKS2EXE462

**Item A.3. Reporting period.**

- **a. Date of fiscal year-end:** 2026-10-31

- **b. Date as of which information is reported:** 2026-04-30

**Item A.4. Final filing**

Does the Fund anticipate that this will be its final filing on Form N-PORT? **No**

### Fund Information

**Total Assets:** $7558989244.33

**Total Liabilities:** $5678600.38

**Net Assets:** $7553310643.95

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000101592 | -4.29%               | -4.69%               | 13.86%               |
| Class ID C000155685 | -4.26%               | -4.68%               | 13.89%               |
| Class ID C000184541 | -4.26%               | -4.65%               | 13.93%               |
| Class ID C000101590 | -4.25%               | -4.65%               | 13.91%               |
| Class ID C000155687 | -4.24%               | -4.65%               | 13.91%               |
| Class ID C000101593 | -4.28%               | -4.70%               | 13.85%               |
| Class ID C000101589 | -4.32%               | -4.73%               | 13.80%               |
| Class ID C000101591 | -4.25%               | -4.66%               | 13.92%               |
| Class ID C000155686 | -4.25%               | -4.66%               | 13.91%               |
| Class ID C000101588 | -4.28%               | -4.66%               | 13.89%               |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $68662941.14             | $-382443266.34                             |
| Month 2  | $30341606.38             | $-354654233.74                             |
| Month 3  | $45714491.66             | $880251682.39                              |

### Schedule of Portfolio Investments

| Name                          | Title                         | Identifiers                                   | Payoff Profile   | Asset Category   | Issuer Category   | Country   |   Balance | Units   | Value (USD)   | % of Net Assets   | Maturity Date   | Coupon Type   | Annualized Rate (%)   | Restricted?   |   Fair Value Level | Lending Status   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Carpenter Technology Corp     | Carpenter Technology Corp     | CUSIP: 144285103<br>LEI: DX6I6ZD3X5WNNCDJKP85 | Long             | EC               | CORP              | US        |    214894 | NS      | $92017610.80  | 1.22%             |  |  |  | No            |                  1 | On Loan: No      |
| L3Harris Technologies Inc     | L3Harris Technologies Inc     | CUSIP: 502431109<br>LEI: 549300UTE50ZMDBG8A20 | Long             | EC               | CORP              | US        |    160637 | NS      | $51492190.35  | 0.68%             |  |  |  | No            |                  1 | On Loan: No      |
| Vertex Pharmaceuticals Inc    | Vertex Pharmaceuticals Inc    | CUSIP: 92532F100<br>LEI: 54930015RAQRRZ5ZGJ91 | Long             | EC               | CORP              | US        |    160408 | NS      | $68555171.04  | 0.91%             |  |  |  | No            |                  1 | On Loan: No      |
| Amphenol Corp                 | Amphenol Corp                 | CUSIP: 032095101<br>LEI: 549300D3L3G0R4U4VT04 | Long             | EC               | CORP              | US        |    439135 | NS      | $64671411.45  | 0.86%             |  |  |  | No            |                  1 | On Loan: No      |
| Hilton Worldwide Holdings Inc | Hilton Worldwide Holdings Inc | CUSIP: 43300A203<br>LEI: 549300HVGPK36ICB0B89 | Long             | EC               | CORP              | US        |    221368 | NS      | $71738727.76  | 0.95%             |  |  |  | No            |                  1 | On Loan: No      |
| Interactive Brokers Group Inc | Interactive Brokers Group Inc | CUSIP: 45841N107<br>LEI: 5493004DT6DCDUZNDM53 | Long             | EC               | CORP              | US        |   1219943 | NS      | $96985468.50  | 1.28%             |  |  |  | No            |                  1 | On Loan: No      |
| Costco Wholesale Corp         | Costco Wholesale Corp         | CUSIP: 22160K105<br>LEI: 29DX7H14B9S6O3FD6V18 | Long             | EC               | CORP              | US        |     67797 | NS      | $68782090.41  | 0.91%             |  |  |  | No            |                  1 | On Loan: No      |
| Cloudflare Inc                | Cloudflare Inc                | CUSIP: 18915M107<br>LEI: 5493007DY18BGNLDWU14 | Long             | EC               | CORP              | US        |    639545 | NS      | $131087538.65 | 1.74%             |  |  |  | No            |                  1 | On Loan: No      |
| Teradyne Inc                  | Teradyne Inc                  | CUSIP: 880770102<br>LEI: C3X4YJ278QNZHRJULN75 | Long             | EC               | CORP              | US        |    130846 | NS      | $44941675.62  | 0.59%             |  |  |  | No            |                  1 | On Loan: No      |
| Micron Technology Inc         | Micron Technology Inc         | CUSIP: 595112103<br>LEI: B3DXGBC8GAIYWI2Z0172 | Long             | EC               | CORP              | US        |    153039 | NS      | $79145649.24  | 1.05%             |  |  |  | No            |                  1 | On Loan: No      |
| Cheniere Energy Inc           | Cheniere Energy Inc           | CUSIP: 16411R208<br>LEI: MIHC87W9WTYSYZWV1J40 | Long             | EC               | CORP              | US        |    113194 | NS      | $31122690.30  | 0.41%             |  |  |  | No            |                  1 | On Loan: No      |
| Carvana Co                    | Carvana Co                    | CUSIP: 146869102<br>LEI: 5493003WEAK2PJ5WS063 | Long             | EC               | CORP              | US        |    166695 | NS      | $65977881.00  | 0.87%             |  |  |  | No            |                  1 | On Loan: No      |
| Advanced Micro Devices Inc    | Advanced Micro Devices Inc    | CUSIP: 007903107<br>LEI: R2I72C950HOYXII45366 | Long             | EC               | CORP              | US        |    160664 | NS      | $56953781.36  | 0.75%             |  |  |  | No            |                  1 | On Loan: No      |
| Alphabet Inc                  | Alphabet Inc                  | CUSIP: 02079K305<br>LEI: 5493006MHB84DD0ZWV18 | Long             | EC               | CORP              | US        |   1575257 | NS      | $606158893.60 | 8.03%             |  |  |  | No            |                  1 | On Loan: No      |
| Lam Research Corp             | Lam Research Corp             | CUSIP: 512807306<br>LEI: 549300I4GMO6D34U1T02 | Long             | EC               | CORP              | US        |    616106 | NS      | $158869093.16 | 2.10%             |  |  |  | No            |                  1 | On Loan: No      |
| Madrigal Pharmaceuticals Inc  | Madrigal Pharmaceuticals Inc  | CUSIP: 558868105<br>LEI: 549300CHIMT2EUSNJB60 | Long             | EC               | CORP              | US        |    102377 | NS      | $52968836.03  | 0.70%             |  |  |  | No            |                  1 | On Loan: No      |
| Woodward Inc                  | Woodward Inc                  | CUSIP: 980745103<br>LEI: YPYKXXTR8TFDH54ZMB45 | Long             | EC               | CORP              | US        |     93290 | NS      | $33863337.10  | 0.45%             |  |  |  | No            |                  1 | On Loan: No      |
| CoreWeave Inc                 | CoreWeave Inc                 | CUSIP: 21873S108<br>LEI: 984500511DP2B6186053 | Long             | EC               | CORP              | US        |    310451 | NS      | $34646331.60  | 0.46%             |  |  |  | No            |                  1 | On Loan: No      |
| Microsoft Corp                | Microsoft Corp                | CUSIP: 594918104<br>LEI: INR2EJN1ERAN0W5ZP974 | Long             | EC               | CORP              | US        |    221220 | NS      | $90209091.60  | 1.19%             |  |  |  | No            |                  1 | On Loan: No      |
| Vertiv Holdings Co            | Vertiv Holdings Co            | CUSIP: 92537N108<br>LEI: 549300KTTIRAOGXCRV69 | Long             | EC               | CORP              | US        |    217963 | NS      | $71598665.87  | 0.95%             |  |  |  | No            |                  1 | On Loan: No      |
| Revolution Medicines Inc      | Revolution Medicines Inc      | CUSIP: 76155X100<br>LEI: 549300JU3X0LBCQ65892 | Long             | EC               | CORP              | US        |    526650 | NS      | $75900798.00  | 1.00%             |  |  |  | No            |                  1 | On Loan: No      |
| Comfort Systems USA Inc       | Comfort Systems USA Inc       | CUSIP: 199908104<br>LEI: 5299009DT1ZA5HTU6R38 | Long             | EC               | CORP              | US        |    134321 | NS      | $247184220.25 | 3.27%             |  |  |  | No            |                  1 | On Loan: No      |
| NVIDIA Corp                   | NVIDIA Corp                   | CUSIP: 67066G104<br>LEI: 549300S4KLFTLO7GSQ80 | Long             | EC               | CORP              | US        |   4749500 | NS      | $947857715.00 | 12.55%            |  |  |  | No            |                  1 | On Loan: No      |
| Bloom Energy Corp             | Bloom Energy Corp             | CUSIP: 093712107<br>LEI: 549300XB5J9BFW5JXV97 | Long             | EC               | CORP              | US        |    276027 | NS      | $78215010.72  | 1.04%             |  |  |  | No            |                  1 | On Loan: No      |
| EMCOR Group Inc               | EMCOR Group Inc               | CUSIP: 29084Q100<br>LEI: 529900X0SQJB2J7YDU43 | Long             | EC               | CORP              | US        |     95565 | NS      | $85212443.55  | 1.13%             |  |  |  | No            |                  1 | On Loan: No      |
| Corning Inc                   | Corning Inc                   | CUSIP: 219350105<br>LEI: 549300X2937PB0CJ7I56 | Long             | EC               | CORP              | US        |    470985 | NS      | $77354576.40  | 1.02%             |  |  |  | No            |                  1 | On Loan: No      |
| Guardant Health Inc           | Guardant Health Inc           | CUSIP: 40131M109<br>LEI: 254900M8C3E5VC8BR186 | Long             | EC               | CORP              | US        |    800958 | NS      | $69747422.64  | 0.92%             |  |  |  | No            |                  1 | On Loan: No      |
| Planet Labs PBC               | Planet Labs PBC               | CUSIP: 72703X106<br>LEI: 254900Q7PVI3HTQBRB44 | Long             | EC               | CORP              | US        |   1018050 | NS      | $37637308.50  | 0.50%             |  |  |  | No            |                  1 | On Loan: No      |
| Palantir Technologies Inc     | Palantir Technologies Inc     | CUSIP: 69608A108<br>LEI: 549300UVN46B3BBDHO85 | Long             | EC               | CORP              | US        |    948728 | NS      | $131977552.08 | 1.75%             |  |  |  | No            |                  1 | On Loan: No      |
| Netflix Inc                   | Netflix Inc                   | CUSIP: 64110L106<br>LEI: 549300Y7VHGU0I7CE873 | Long             | EC               | CORP              | US        |    394307 | NS      | $36911078.27  | 0.49%             |  |  |  | No            |                  1 | On Loan: No      |
| Intuitive Surgical Inc        | Intuitive Surgical Inc        | CUSIP: 46120E602<br>LEI: 54930052SRG011710797 | Long             | EC               | CORP              | US        |     72992 | NS      | $33401869.12  | 0.44%             |  |  |  | No            |                  1 | On Loan: No      |
| Fixed Income Clearing Corp.   | FIXED INC CLEARING CORP.REPO  | CUSIP: 000000000<br>LEI: 549300H47WTHXPU08X20 | Long             | RA               | CORP              | US        | 290498869 | PA      | $290498869.07 | 3.85%             |  |  |  | No            |                  2 | On Loan: No      |
| Broadcom Inc                  | Broadcom Inc                  | CUSIP: 11135F101<br>LEI: 549300WV6GIDOZJTV909 | Long             | EC               | CORP              | US        |    648304 | NS      | $270621538.72 | 3.58%             |  |  |  | No            |                  1 | On Loan: No      |
| Tesla Inc                     | Tesla Inc                     | CUSIP: 88160R101<br>LEI: 54930043XZGB27CTOV49 | Long             | EC               | CORP              | US        |     94011 | NS      | $35877417.93  | 0.47%             |  |  |  | No            |                  1 | On Loan: No      |
| Reddit Inc                    | Reddit Inc                    | CUSIP: 75734B100<br>LEI: 529900APN1YHPBHPI679 | Long             | EC               | CORP              | US        |    259192 | NS      | $38160838.16  | 0.51%             |  |  |  | No            |                  1 | On Loan: No      |
| Lumentum Holdings Inc         | Lumentum Holdings Inc         | CUSIP: 55024U109<br>LEI: 549300JLWRRC38DWEF52 | Long             | EC               | CORP              | US        |     87100 | NS      | $78592072.00  | 1.04%             |  |  |  | No            |                  1 | On Loan: No      |
| Arista Networks Inc           | Arista Networks Inc           | CUSIP: 040413205<br>LEI: 635400H1WKBLOQERUU95 | Long             | EC               | CORP              | US        |    806322 | NS      | $139259872.62 | 1.84%             |  |  |  | No            |                  1 | On Loan: No      |
| General Electric Co           | General Electric Co           | CUSIP: 369604301<br>LEI: 3C7474T6CDKPR9K6YT90 | Long             | EC               | CORP              | US        |    589221 | NS      | $170832844.53 | 2.26%             |  |  |  | No            |                  1 | On Loan: No      |
| Analog Devices Inc            | Analog Devices Inc            | CUSIP: 032654105<br>LEI: GYVOE5EZ4GDAVTU4CQ61 | Long             | EC               | CORP              | US        |    251985 | NS      | $101363486.10 | 1.34%             |  |  |  | No            |                  1 | On Loan: No      |
| Meta Platforms Inc            | Meta Platforms Inc            | CUSIP: 30303M102<br>LEI: BQ4BKCS1HXDV9HN80Z93 | Long             | EC               | CORP              | US        |    278317 | NS      | $170304955.47 | 2.25%             |  |  |  | No            |                  1 | On Loan: No      |
| Argenx SE                     | Argenx SE                     | CUSIP: 04016X101<br>LEI: 7245009C5FZE6G9ODQ71 | Long             | EC               | CORP              | NL        |    122831 | NS      | $96019449.32  | 1.27%             |  |  |  | No            |                  1 | On Loan: No      |
| Crowdstrike Holdings Inc      | Crowdstrike Holdings Inc      | CUSIP: 22788C105<br>LEI: 549300YBY08K9KM4HX32 | Long             | EC               | CORP              | US        |    105750 | NS      | $47138062.50  | 0.62%             |  |  |  | No            |                  1 | On Loan: No      |
| GE Vernova Inc                | GE Vernova Inc                | CUSIP: 36828A101<br>LEI: 254900DP080RU6OK2553 | Long             | EC               | CORP              | US        |    146174 | NS      | $158373682.04 | 2.10%             |  |  |  | No            |                  1 | On Loan: No      |
| TE Connectivity PLC           | TE Connectivity PLC           | CUSIP: 000000000<br>LEI: 6367003TB6K484NFHE54 | Long             | EC               | CORP              | IE        |    228106 | NS      | $48280915.96  | 0.64%             |  |  |  | No            |                  1 | On Loan: No      |
| Insmed Inc                    | Insmed Inc                    | CUSIP: 457669307<br>LEI: 529900Q55QAG41CCAC11 | Long             | EC               | CORP              | US        |    335009 | NS      | $45671776.97  | 0.60%             |  |  |  | No            |                  1 | On Loan: No      |
| Abivax SA                     | Abivax SA                     | CUSIP: 00370M103<br>LEI: 969500D8TMNB184OJU95 | Long             | EC               | CORP              | FR        |    468485 | NS      | $54990769.30  | 0.73%             |  |  |  | No            |                  1 | On Loan: No      |
| Cogent Biosciences Inc        | Cogent Biosciences Inc        | CUSIP: 19240Q201<br>LEI: N/A                  | Long             | EC               | CORP              | US        |   1268989 | NS      | $45417116.31  | 0.60%             |  |  |  | No            |                  1 | On Loan: No      |
| Monolithic Power Systems Inc  | Monolithic Power Systems Inc  | CUSIP: 609839105<br>LEI: 529900TB7O85LSZ1XU31 | Long             | EC               | CORP              | US        |     76196 | NS      | $123011584.36 | 1.63%             |  |  |  | No            |                  1 | On Loan: No      |
| Natera Inc                    | Natera Inc                    | CUSIP: 632307104<br>LEI: 529900CQ3OZ0A0VYVU59 | Long             | EC               | CORP              | US        |    743387 | NS      | $153256663.92 | 2.03%             |  |  |  | No            |                  1 | On Loan: No      |
| Shopify Inc                   | Shopify Inc                   | CUSIP: 82509L107<br>LEI: 549300HGQ43STJLLP808 | Long             | EC               | CORP              | CA        |    705657 | NS      | $85476232.41  | 1.13%             |  |  |  | No            |                  1 | On Loan: No      |
| Nextpower Inc                 | Nextpower Inc                 | CUSIP: 65290E101<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    455943 | NS      | $54316489.59  | 0.72%             |  |  |  | No            |                  1 | On Loan: No      |
| XPO Inc                       | XPO Inc                       | CUSIP: 983793100<br>LEI: 54930096DB9LCLPN7H13 | Long             | EC               | CORP              | US        |    175189 | NS      | $38564354.57  | 0.51%             |  |  |  | No            |                  1 | On Loan: No      |
| KLA Corp                      | KLA Corp                      | CUSIP: 482480100<br>LEI: 549300H0BF5JCG96TJ81 | Long             | EC               | CORP              | US        |     33341 | NS      | $58358419.35  | 0.77%             |  |  |  | No            |                  1 | On Loan: No      |
| Apple Inc                     | Apple Inc                     | CUSIP: 037833100<br>LEI: HWUPKR0MPOU8FGXBT394 | Long             | EC               | CORP              | US        |   1494744 | NS      | $405598784.40 | 5.37%             |  |  |  | No            |                  1 | On Loan: No      |
| Howmet Aerospace Inc          | Howmet Aerospace Inc          | CUSIP: 443201108<br>LEI: 549300HO5WFZUT5N2T22 | Long             | EC               | CORP              | US        |    420633 | NS      | $102230644.32 | 1.35%             |  |  |  | No            |                  1 | On Loan: No      |
| AppLovin Corp                 | AppLovin Corp                 | CUSIP: 03831W108<br>LEI: 549300LLVXMUAOL3SQ07 | Long             | EC               | CORP              | US        |    170759 | NS      | $76218279.65  | 1.01%             |  |  |  | No            |                  1 | On Loan: No      |
| Circle Internet Group Inc     | Circle Internet Group Inc     | CUSIP: 172573107<br>LEI: 254900HFVVR6NPMQVN93 | Long             | EC               | CORP              | US        |    513761 | NS      | $46690599.68  | 0.62%             |  |  |  | No            |                  1 | On Loan: No      |
| Lattice Semiconductor Corp    | Lattice Semiconductor Corp    | CUSIP: 518415104<br>LEI: 549300LRBBPZDQ2II567 | Long             | EC               | CORP              | US        |    376644 | NS      | $46056028.32  | 0.61%             |  |  |  | No            |                  1 | On Loan: No      |
| Eli Lilly & Co                | Eli Lilly & Co                | CUSIP: 532457108<br>LEI: FRDRIPF3EKNDJ2CQJL29 | Long             | EC               | CORP              | US        |    254144 | NS      | $237522982.40 | 3.14%             |  |  |  | No            |                  1 | On Loan: No      |
| Amazon.com Inc                | Amazon.com Inc                | CUSIP: 023135106<br>LEI: ZXTILKJKG63JELOEG630 | Long             | EC               | CORP              | US        |   1467081 | NS      | $388864489.86 | 5.15%             |  |  |  | No            |                  1 | On Loan: No      |
| Gilead Sciences Inc           | Gilead Sciences Inc           | CUSIP: 375558103<br>LEI: 549300WTZWR07K8MNV44 | Long             | EC               | CORP              | US        |    833104 | NS      | $109003327.36 | 1.44%             |  |  |  | No            |                  1 | On Loan: No      |
| Karman Holdings Inc           | Karman Holdings Inc           | CUSIP: 485924104<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    720751 | NS      | $48996652.98  | 0.65%             |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2026-05-19

**Name of Applicant:** LORD ABBETT SECURITIES TRUST

**Signature:** Michael Hebert

**Name of Signer:** Michael Hebert

**Title:** Chief Financial Officer