# EDGAR Filing Document

**Accession Number:** 0000898031
**File Stem:** 0001752724-25-158801
**Filing Date:** 2025-6
**Character Count:** 7308
**Document Hash:** 33e2817d1d7b7991d240a795495b23c5
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001752724-25-158801.hdr.sgml**: 20250626

**ACCESSION NUMBER**: 0001752724-25-158801

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250430

**FILED AS OF DATE**: 20250626

**DATE AS OF CHANGE**: 20250626

**PERIOD START**: 20251031

**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:** 251078216

**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 Alpha Strategy Fund (Series ID: S000007139)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000019521 | Class I      | ALFYX           |
| C000019522 | Class A      | ALFAX           |
| C000019524 | Class C      | ALFCX           |
| C000054925 | Class F      | ALFFX           |
| C000054926 | Class R2     | ALFQX           |
| C000054927 | Class R3     | ALFRX           |
| C000155670 | Class R4     | ALFKX           |
| C000155671 | Class R5     | ALFTX           |
| C000155672 | Class R6     | ALFVX           |
| C000184531 | Class F3     | ALFOX           |

## 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 Alpha Strategy Fund

- **b. EDGAR series identifier (if any):** S000007139

- **c. LEI of Series:** 549300SWW68LOHCN3898

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

- **a. Date of fiscal year-end:** 2025-10-31

- **b. Date as of which information is reported:** 2025-04-30

**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:** $542995368.58

**Total Liabilities:** $361061.76

**Net Assets:** $542634306.82

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000155671 | -5.52%               | -5.26%               | 0.36%                |
| Class ID C000054925 | -5.52%               | -5.29%               | 0.33%                |
| Class ID C000155672 | -5.51%               | -5.26%               | 0.36%                |
| Class ID C000054927 | -5.57%               | -5.31%               | 0.36%                |
| Class ID C000184531 | -5.51%               | -5.26%               | 0.36%                |
| Class ID C000054926 | -5.59%               | -5.28%               | 0.31%                |
| Class ID C000019521 | -5.55%               | -5.26%               | 0.36%                |
| Class ID C000019522 | -5.56%               | -5.28%               | 0.34%                |
| Class ID C000155670 | -5.57%               | -5.26%               | 0.34%                |
| Class ID C000019524 | -5.57%               | -5.35%               | 0.23%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $81162.56                | $-34140106.26                              |
| Month 2  | $924739.29               | $-31395556.11                              |
| Month 3  | $932201.83               | $972884.16                                 |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Lord Abbett Micro Cap Growth Fund            | Lord Abbett Micro Cap Growth Fund            | CUSIP: 54400V104<br>LEI: 549300VL8AMXUES9JL76 | Long             | EC               | RF                | US        |   2875374 | NS      | $52993139.10  | 9.77%             |  |  |  | No            |                  1 | On Loan: No      |
| Lord Abbett International Opportunities Fund | Lord Abbett International Opportunities Fund | CUSIP: 543915813<br>LEI: DJROU6QIURETNZO2HV24 | Long             | EC               | RF                | US        |   5679962 | NS      | $116155230.96 | 21.41%            |  |  |  | No            |                  1 | On Loan: No      |
| Lord Abbett Focused Small Cap Value Fund     | Lord Abbett Focused Small Cap Value Fund     | CUSIP: 54400W102<br>LEI: 549300TBYNRWTGRQG753 | Long             | EC               | RF                | US        |   2082211 | NS      | $53408714.61  | 9.84%             |  |  |  | No            |                  1 | On Loan: No      |
| Fixed Income Clearing Corp                   | FIXED INC CLEARING CORP.REPO                 | CUSIP: 000000000<br>LEI: 549300H47WTHXPU08X20 | Long             | RA               | CORP              | US        |    371394 | PA      | $371394.14    | 0.07%             |  |  |  | No            |                  2 | On Loan: No      |
| Lord Abbett Value Opportunities Fund         | Lord Abbett Value Opportunities Fund         | CUSIP: 54400A506<br>LEI: 549300DSLIHMAFWXRD49 | Long             | EC               | RF                | US        |   5940262 | NS      | $108528594.58 | 20.00%            |  |  |  | No            |                  1 | On Loan: No      |
| Lord Abbett Small Cap Value Fund             | Lord Abbett Small Cap Value Fund             | CUSIP: 543913800<br>LEI: 5493007UOPFNCNRUAX11 | Long             | EC               | RF                | US        |   5855658 | NS      | $106748638.74 | 19.67%            |  |  |  | No            |                  1 | On Loan: No      |
| Lord Abbett Developing Growth Fund Inc       | Lord Abbett Developing Growth Fund Inc       | CUSIP: 544006505<br>LEI: 549300HWJ2W28SDTJF85 | Long             | EC               | RF                | US        |   4138498 | NS      | $104745387.70 | 19.30%            |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2025-05-16

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

**Signature:** Michael Hebert

**Name of Signer:** Michael Hebert

**Title:** Chief Financial Officer