# EDGAR Filing Document

**Accession Number:** 0000898031
**File Stem:** 0001410368-25-042280
**Filing Date:** 2025-12
**Character Count:** 25382
**Document Hash:** d15c0a4ddaf89a79066c6c3b80211f3a
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001410368-25-042280.hdr.sgml**: 20251223

**ACCESSION NUMBER**: 0001410368-25-042280

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251031

**FILED AS OF DATE**: 20251223

**DATE AS OF CHANGE**: 20251223

**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:** 251599406

**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 Health Care Fund (Series ID: S000064462)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000208658 | Class A      | LHCAX           |
| C000208659 | Class C      | LHCCX           |
| C000208660 | Class F      | LHCFX           |
| C000208661 | Class F3     | LHCOX           |
| C000208662 | Class I      | LHCIX           |
| C000208664 | Class R3     | LHCQX           |
| C000208665 | Class R4     | LHCSX           |
| C000208666 | Class R6     | LHCVX           |
| C000208667 | Class R5     | LHCTX           |

## 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 Health Care Fund

- **b. EDGAR series identifier (if any):** S000064462

- **c. LEI of Series:** 549300KZ8HTJO03UM174

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

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

- **b. Date as of which information is reported:** 2025-10-31

**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:** $8482464.76

**Total Liabilities:** $29318.80

**Net Assets:** $8453145.96

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000208658 | 8.02%                | 2.36%                | 7.20%                |
| Class ID C000208659 | 7.99%                | 2.25%                | 7.18%                |
| Class ID C000208660 | 8.02%                | 2.37%                | 7.25%                |
| Class ID C000208661 | 8.06%                | 2.37%                | 7.29%                |
| Class ID C000208662 | 8.04%                | 2.38%                | 7.27%                |
| Class ID C000208664 | 7.98%                | 2.34%                | 7.22%                |
| Class ID C000208665 | 8.02%                | 2.36%                | 7.26%                |
| Class ID C000208666 | 8.06%                | 2.37%                | 7.28%                |
| Class ID C000208667 | 8.04%                | 2.38%                | 7.27%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $32097.64                | $544137.88                                 |
| Month 2  | $20945.31                | $163746.77                                 |
| Month 3  | $178149.63               | $396715.07                                 |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Abbott Laboratories                | Abbott Laboratories                | CUSIP: 002824100<br>LEI: HQD377W2YR662HK5JX27 | Long             | EC               | CORP              | US        |       816 | NS      | $100873.92    | 1.19%             |  |  |  | No            |                  1 | On Loan: No      |
| AbbVie Inc                         | AbbVie Inc                         | CUSIP: 00287Y109<br>LEI: FR5LCKFTG8054YNNRU85 | Long             | EC               | CORP              | US        |       667 | NS      | $145432.68    | 1.72%             |  |  |  | No            |                  1 | On Loan: No      |
| Abivax SA                          | Abivax SA                          | CUSIP: 00370M103<br>LEI: 969500D8TMNB184OJU95 | Long             | EC               | CORP              | FR        |      1474 | NS      | $150967.08    | 1.79%             |  |  |  | No            |                  1 | On Loan: No      |
| Adaptive Biotechnologies Corp      | Adaptive Biotechnologies Corp      | CUSIP: 00650F109<br>LEI: 549300ZTF7OT1FW66Q96 | Long             | EC               | CORP              | US        |      4406 | NS      | $76488.16     | 0.90%             |  |  |  | No            |                  1 | On Loan: No      |
| Alnylam Pharmaceuticals Inc        | Alnylam Pharmaceuticals Inc        | CUSIP: 02043Q107<br>LEI: 529900S3ZI14OWRJII50 | Long             | EC               | CORP              | US        |       323 | NS      | $147300.92    | 1.74%             |  |  |  | No            |                  1 | On Loan: No      |
| Cencora Inc                        | Cencora Inc                        | CUSIP: 03073E105<br>LEI: AI8GXW8LG5WK7E9UD086 | Long             | EC               | CORP              | US        |       681 | NS      | $230048.61    | 2.72%             |  |  |  | No            |                  1 | On Loan: No      |
| Arcellx Inc                        | Arcellx Inc                        | CUSIP: 03940C100<br>LEI: N/A                  | Long             | EC               | CORP              | US        |      1630 | NS      | $147107.50    | 1.74%             |  |  |  | No            |                  1 | On Loan: No      |
| Ascendis Pharma A/S                | Ascendis Pharma A/S                | CUSIP: 04351P101<br>LEI: 549300B66JN3W3J8GH73 | Long             | EC               | CORP              | DK        |       621 | NS      | $125193.60    | 1.48%             |  |  |  | No            |                  1 | On Loan: No      |
| Avidity Biosciences Inc            | Avidity Biosciences Inc            | CUSIP: 05370A108<br>LEI: N/A                  | Long             | EC               | CORP              | US        |       810 | NS      | $56578.50     | 0.67%             |  |  |  | No            |                  1 | On Loan: No      |
| AstraZeneca PLC                    | AstraZeneca PLC                    | CUSIP: 000000000<br>LEI: PY6ZZQWO2IZFZC3IOL08 | Long             | EC               | CORP              | GB        |      1724 | NS      | $284371.27    | 3.36%             |  |  |  | No            |                  2 | On Loan: No      |
| Boston Scientific Corp             | Boston Scientific Corp             | CUSIP: 101137107<br>LEI: Y6ZDD9FP4P8JSSJMW954 | Long             | EC               | CORP              | US        |      1687 | NS      | $169914.64    | 2.01%             |  |  |  | No            |                  1 | On Loan: No      |
| Bridgebio Pharma Inc               | Bridgebio Pharma Inc               | CUSIP: 10806X102<br>LEI: 54930028YG89VTY2J114 | Long             | EC               | CORP              | US        |      2278 | NS      | $142693.92    | 1.69%             |  |  |  | No            |                  1 | On Loan: No      |
| CVS Health Corp                    | CVS Health Corp                    | CUSIP: 126650100<br>LEI: 549300EJG376EN5NQE29 | Long             | EC               | CORP              | US        |      2320 | NS      | $181308.00    | 2.14%             |  |  |  | No            |                  1 | On Loan: No      |
| Celcuity Inc                       | Celcuity Inc                       | CUSIP: 15102K100<br>LEI: 25490070W7UU7W2SEY87 | Long             | EC               | CORP              | US        |      1169 | NS      | $90200.04     | 1.07%             |  |  |  | No            |                  1 | On Loan: No      |
| Cidara Therapeutics Inc            | Cidara Therapeutics Inc            | CUSIP: 171757206<br>LEI: 549300IHQ9Z7RI1X2D22 | Long             | EC               | CORP              | US        |      1669 | NS      | $182321.56    | 2.16%             |  |  |  | No            |                  1 | On Loan: No      |
| Doximity Inc                       | Doximity Inc                       | CUSIP: 26622P107<br>LEI: N/A                  | Long             | EC               | CORP              | US        |      1328 | NS      | $87648.00     | 1.04%             |  |  |  | No            |                  1 | On Loan: No      |
| Edwards Lifesciences Corp          | Edwards Lifesciences Corp          | CUSIP: 28176E108<br>LEI: YA13X31F3V31L8TMPR58 | Long             | EC               | CORP              | US        |       443 | NS      | $36525.35     | 0.43%             |  |  |  | No            |                  1 | On Loan: No      |
| Encompass Health Corp              | Encompass Health Corp              | CUSIP: 29261A100<br>LEI: 549300FVRPM9DRQZRG64 | Long             | EC               | CORP              | US        |       968 | NS      | $110206.80    | 1.30%             |  |  |  | No            |                  1 | On Loan: No      |
| Gilead Sciences Inc                | Gilead Sciences Inc                | CUSIP: 375558103<br>LEI: 549300WTZWR07K8MNV44 | Long             | EC               | CORP              | US        |      2551 | NS      | $305584.29    | 3.62%             |  |  |  | No            |                  1 | On Loan: No      |
| Guardant Health Inc                | Guardant Health Inc                | CUSIP: 40131M109<br>LEI: 254900M8C3E5VC8BR186 | Long             | EC               | CORP              | US        |      2459 | NS      | $228736.18    | 2.71%             |  |  |  | No            |                  1 | On Loan: No      |
| HeartFlow Inc                      | HeartFlow Inc                      | CUSIP: 42238D107<br>LEI: N/A                  | Long             | EC               | CORP              | US        |      2360 | NS      | $87697.60     | 1.04%             |  |  |  | No            |                  1 | On Loan: No      |
| Hinge Health Inc                   | Hinge Health Inc                   | CUSIP: 433313103<br>LEI: N/A                  | Long             | EC               | CORP              | US        |      1788 | NS      | $88970.88     | 1.05%             |  |  |  | No            |                  1 | On Loan: No      |
| iRhythm Technologies Inc           | iRhythm Technologies Inc           | CUSIP: 450056106<br>LEI: 549300FJI72RJGDQS384 | Long             | EC               | CORP              | US        |       497 | NS      | $93088.10     | 1.10%             |  |  |  | No            |                  1 | On Loan: No      |
| IDEXX Laboratories Inc             | IDEXX Laboratories Inc             | CUSIP: 45168D104<br>LEI: OGMTXK0LUU1HKV2P0J84 | Long             | EC               | CORP              | US        |       166 | NS      | $104498.66    | 1.24%             |  |  |  | No            |                  1 | On Loan: No      |
| Insmed Inc                         | Insmed Inc                         | CUSIP: 457669307<br>LEI: 529900Q55QAG41CCAC11 | Long             | EC               | CORP              | US        |       795 | NS      | $150732.00    | 1.78%             |  |  |  | No            |                  1 | On Loan: No      |
| Insulet Corp                       | Insulet Corp                       | CUSIP: 45784P101<br>LEI: 549300TZTYD2PYN92D43 | Long             | EC               | CORP              | US        |       453 | NS      | $141793.53    | 1.68%             |  |  |  | No            |                  1 | On Loan: No      |
| Intuitive Surgical Inc             | Intuitive Surgical Inc             | CUSIP: 46120E602<br>LEI: 54930052SRG011710797 | Long             | EC               | CORP              | US        |       378 | NS      | $201957.84    | 2.39%             |  |  |  | No            |                  1 | On Loan: No      |
| Johnson & Johnson                  | Johnson & Johnson                  | CUSIP: 478160104<br>LEI: 549300G0CFPGEF6X2043 | Long             | EC               | CORP              | US        |       635 | NS      | $119932.45    | 1.42%             |  |  |  | No            |                  1 | On Loan: No      |
| Eli Lilly & Co                     | Eli Lilly & Co                     | CUSIP: 532457108<br>LEI: FRDRIPF3EKNDJ2CQJL29 | Long             | EC               | CORP              | US        |       663 | NS      | $572076.18    | 6.77%             |  |  |  | No            |                  1 | On Loan: No      |
| Madrigal Pharmaceuticals Inc       | Madrigal Pharmaceuticals Inc       | CUSIP: 558868105<br>LEI: 549300CHIMT2EUSNJB60 | Long             | EC               | CORP              | US        |       315 | NS      | $131953.50    | 1.56%             |  |  |  | No            |                  1 | On Loan: No      |
| UCB SA                             | UCB SA                             | CUSIP: 000000000<br>LEI: 2138008J191VLSGY5A09 | Long             | EC               | CORP              | BE        |       883 | NS      | $227056.35    | 2.69%             |  |  |  | No            |                  2 | On Loan: No      |
| Mineralys Therapeutics Inc         | Mineralys Therapeutics Inc         | CUSIP: 603170101<br>LEI: N/A                  | Long             | EC               | CORP              | US        |       940 | NS      | $38408.40     | 0.45%             |  |  |  | No            |                  1 | On Loan: No      |
| Mirum Pharmaceuticals Inc          | Mirum Pharmaceuticals Inc          | CUSIP: 604749101<br>LEI: 254900YZKR40F7F27K81 | Long             | EC               | CORP              | US        |      1651 | NS      | $119945.15    | 1.42%             |  |  |  | No            |                  1 | On Loan: No      |
| Pro Medicus Ltd                    | Pro Medicus Ltd                    | CUSIP: 000000000<br>LEI: 98450085A903D1BMFF27 | Long             | EC               | CORP              | AU        |       291 | NS      | $49966.12     | 0.59%             |  |  |  | No            |                  2 | On Loan: No      |
| Natera Inc                         | Natera Inc                         | CUSIP: 632307104<br>LEI: N/A                  | Long             | EC               | CORP              | US        |      1151 | NS      | $228968.43    | 2.71%             |  |  |  | No            |                  1 | On Loan: No      |
| Nektar Therapeutics                | Nektar Therapeutics                | CUSIP: 640268306<br>LEI: 5299005I24806IOIYE03 | Long             | EC               | CORP              | US        |       673 | NS      | $43697.89     | 0.52%             |  |  |  | No            |                  1 | On Loan: No      |
| Neurocrine Biosciences Inc         | Neurocrine Biosciences Inc         | CUSIP: 64125C109<br>LEI: 549300FECER0XBN49756 | Long             | EC               | CORP              | US        |       589 | NS      | $84350.69     | 1.00%             |  |  |  | No            |                  1 | On Loan: No      |
| Nuvalent Inc                       | Nuvalent Inc                       | CUSIP: 670703107<br>LEI: N/A                  | Long             | EC               | CORP              | US        |       520 | NS      | $51646.40     | 0.61%             |  |  |  | No            |                  1 | On Loan: No      |
| ORIC Pharmaceuticals Inc           | ORIC Pharmaceuticals Inc           | CUSIP: 68622P109<br>LEI: 54930033FJRNEYBW0L25 | Long             | EC               | CORP              | US        |      3130 | NS      | $41190.80     | 0.49%             |  |  |  | No            |                  1 | On Loan: No      |
| PTC Therapeutics Inc               | PTC Therapeutics Inc               | CUSIP: 69366J200<br>LEI: 549300UJLWOIWFDGB318 | Long             | EC               | CORP              | US        |      1091 | NS      | $74526.21     | 0.88%             |  |  |  | No            |                  1 | On Loan: No      |
| Penumbra Inc                       | Penumbra Inc                       | CUSIP: 70975L107<br>LEI: 549300RGE06P3ECANU72 | Long             | EC               | CORP              | US        |       326 | NS      | $74122.62     | 0.88%             |  |  |  | No            |                  1 | On Loan: No      |
| Novartis AG                        | Novartis AG                        | CUSIP: 000000000<br>LEI: 5493007HIVTX6SY6XD66 | Long             | EC               | CORP              | CH        |       604 | NS      | $74752.03     | 0.88%             |  |  |  | No            |                  2 | On Loan: No      |
| EssilorLuxottica SA                | EssilorLuxottica SA                | CUSIP: 000000000<br>LEI: 549300M3VH1A3ER1TB49 | Long             | EC               | CORP              | FR        |       616 | NS      | $225590.68    | 2.67%             |  |  |  | No            |                  2 | On Loan: No      |
| Lonza Group AG                     | Lonza Group AG                     | CUSIP: 000000000<br>LEI: 549300EFW4H2TCZ71055 | Long             | EC               | CORP              | CH        |       212 | NS      | $146392.67    | 1.73%             |  |  |  | No            |                  2 | On Loan: No      |
| RadNet Inc                         | RadNet Inc                         | CUSIP: 750491102<br>LEI: 529900RECG94V2IZJ970 | Long             | EC               | CORP              | US        |       542 | NS      | $41186.58     | 0.49%             |  |  |  | No            |                  1 | On Loan: No      |
| Revolution Medicines Inc           | Revolution Medicines Inc           | CUSIP: 76155X100<br>LEI: 549300JU3X0LBCQ65892 | Long             | EC               | CORP              | US        |       862 | NS      | $50720.08     | 0.60%             |  |  |  | No            |                  1 | On Loan: No      |
| Rhythm Pharmaceuticals Inc         | Rhythm Pharmaceuticals Inc         | CUSIP: 76243J105<br>LEI: 529900JPNWXQ8DPLA551 | Long             | EC               | CORP              | US        |       942 | NS      | $107161.92    | 1.27%             |  |  |  | No            |                  1 | On Loan: No      |
| GeneDx Holdings Corp               | GeneDx Holdings Corp               | CUSIP: 81663L200<br>LEI: N/A                  | Long             | EC               | CORP              | US        |       948 | NS      | $129790.68    | 1.54%             |  |  |  | No            |                  1 | On Loan: No      |
| Soleno Therapeutics Inc            | Soleno Therapeutics Inc            | CUSIP: 834203309<br>LEI: 5493003LCY77N7FXK844 | Long             | EC               | CORP              | US        |       740 | NS      | $49698.40     | 0.59%             |  |  |  | No            |                  1 | On Loan: No      |
| Fixed Income Clearing Corp         | FIXED INC CLEARING CORP.REPO       | CUSIP: 000000000<br>LEI: 549300H47WTHXPU08X20 | Long             | RA               | CORP              | US        |    170468 | PA      | $170468.28    | 2.02%             |  |  |  | No            |                  2 | On Loan: No      |
| Stryker Corp                       | Stryker Corp                       | CUSIP: 863667101<br>LEI: 5493002F0SC4JTBU5137 | Long             | EC               | CORP              | US        |       350 | NS      | $124684.00    | 1.48%             |  |  |  | No            |                  1 | On Loan: No      |
| Tarsus Pharmaceuticals Inc         | Tarsus Pharmaceuticals Inc         | CUSIP: 87650L103<br>LEI: N/A                  | Long             | EC               | CORP              | US        |      4154 | NS      | $285836.74    | 3.38%             |  |  |  | No            |                  1 | On Loan: No      |
| Teva Pharmaceutical Industries Ltd | Teva Pharmaceutical Industries Ltd | CUSIP: 881624209<br>LEI: 549300BAFGM4RC74ZJ94 | Long             | EC               | CORP              | IL        |      2957 | NS      | $60559.36     | 0.72%             |  |  |  | No            |                  1 | On Loan: No      |
| Thermo Fisher Scientific Inc       | Thermo Fisher Scientific Inc       | CUSIP: 883556102<br>LEI: HCHV7422L5HDJZCRFL38 | Long             | EC               | CORP              | US        |       228 | NS      | $129364.92    | 1.53%             |  |  |  | No            |                  1 | On Loan: No      |
| TransMedics Group Inc              | TransMedics Group Inc              | CUSIP: 89377M109<br>LEI: 549300060GVOSMWARH50 | Long             | EC               | CORP              | US        |       320 | NS      | $42092.80     | 0.50%             |  |  |  | No            |                  1 | On Loan: No      |
| United Therapeutics Corp           | United Therapeutics Corp           | CUSIP: 91307C102<br>LEI: 5299005C4HZL4UWROC14 | Long             | EC               | CORP              | US        |       234 | NS      | $104230.62    | 1.23%             |  |  |  | No            |                  1 | On Loan: No      |
| Veeva Systems Inc                  | Veeva Systems Inc                  | CUSIP: 922475108<br>LEI: 549300YZEXPDB92M2F02 | Long             | EC               | CORP              | US        |       400 | NS      | $116480.00    | 1.38%             |  |  |  | No            |                  1 | On Loan: No      |
| Galderma Group AG                  | Galderma Group AG                  | CUSIP: 000000000<br>LEI: 89450001OK6O8ELQ4584 | Long             | EC               | CORP              | CH        |       695 | NS      | $129069.85    | 1.53%             |  |  |  | No            |                  2 | On Loan: No      |
| BioMerieux                         | BioMerieux                         | CUSIP: 000000000<br>LEI: 549300AK8Y0LBIQ4T071 | Long             | EC               | CORP              | FR        |       543 | NS      | $69911.58     | 0.83%             |  |  |  | No            |                  2 | On Loan: No      |
| Argenx SE                          | Argenx SE                          | CUSIP: 000000000<br>LEI: 7245009C5FZE6G9ODQ71 | Long             | EC               | CORP              | NL        |         7 | NS      | $5693.17      | 0.07%             |  |  |  | No            |                  2 | On Loan: No      |
| Pharma Mar SA                      | Pharma Mar SA                      | CUSIP: 000000000<br>LEI: 959800QWKZ45ZQC2AV58 | Long             | EC               | CORP              | ES        |       443 | NS      | $37453.62     | 0.44%             |  |  |  | No            |                  2 | On Loan: No      |
| Argenx SE                          | Argenx SE                          | CUSIP: 000000000<br>LEI: 7245009C5FZE6G9ODQ71 | Long             | EC               | CORP              | NL        |       399 | NS      | $326568.36    | 3.86%             |  |  |  | No            |                  2 | On Loan: No      |
| BeOne Medicines Ltd                | BeOne Medicines Ltd                | CUSIP: 000000000<br>LEI: 549300JFUK6FRD5MH739 | Long             | EC               | CORP              | CH        |      2274 | NS      | $54672.19     | 0.65%             |  |  |  | No            |                  2 | On Loan: No      |
| Newamsterdam Pharma Co NV          | Newamsterdam Pharma Co NV          | CUSIP: 000000000<br>LEI: 984500B6549TF6E14D36 | Long             | EC               | CORP              | NL        |      1243 | NS      | $47171.85     | 0.56%             |  |  |  | No            |                  1 | On Loan: No      |
| uniQure NV                         | uniQure NV                         | CUSIP: 000000000<br>LEI: 724500RPCTZLFYJZ3S98 | Long             | EC               | CORP              | NL        |      2722 | NS      | $184252.18    | 2.18%             |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2025-11-14

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

**Signature:** Michael Hebert

**Name of Signer:** Michael Hebert

**Title:** Chief Financial Officer