# EDGAR Filing Document

**Accession Number:** 0000887194
**File Stem:** 0001410368-26-006430
**Filing Date:** 2026-1
**Character Count:** 23968
**Document Hash:** 6d76eecddc00673b032db1529bd69eda
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001410368-26-006430.hdr.sgml**: 20260122

**ACCESSION NUMBER**: 0001410368-26-006430

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251130

**FILED AS OF DATE**: 20260122

**DATE AS OF CHANGE**: 20260122

**PERIOD START**: 20251130

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** LORD ABBETT RESEARCH FUND INC
- **CENTRAL INDEX KEY:** 0000887194

**ORGANIZATION NAME:**
- **EIN:** 136995863
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 1130

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-06650
- **FILM NUMBER:** 26551803

**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

### Small-Cap Value Series (Series ID: S000007001)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000019103 | Class A      | LRSCX           |
| C000019105 | Class C      | LSRCX           |
| C000019106 | Class P      | LRSPX           |
| C000019107 | Class I      | LRSYX           |
| C000054721 | Class F      | LRSFX           |
| C000054722 | Class R2     | LRSQX           |
| C000054723 | Class R3     | LRSRX           |
| C000156659 | Class R4     | LRSSX           |
| C000156660 | Class R5     | LRSTX           |
| C000156661 | Class R6     | LRSVX           |
| C000188284 | Class F3     | LRSOX           |

## 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 RESEARCH FUND INC

- **b. Investment Company Act file number:** 811-06650

- **c. CIK number of Registrant:** 0000887194

- **d. LEI of Registrant:** 5493008OZQ1GMZMEC410

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

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

  - **City:** JERSEY CITY

  - **State:** NJ

  - **Foreign country:** US

  - **Zip / Postal Code:** 07302-3973

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

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

- **a. Name of Series:** Small-Cap Value Series

- **b. EDGAR series identifier (if any):** S000007001

- **c. LEI of Series:** 5493007UOPFNCNRUAX11

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

- **a. Date of fiscal year-end:** 2025-11-30

- **b. Date as of which information is reported:** 2025-11-30

**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:** $367325456.15

**Total Liabilities:** $611465.70

**Net Assets:** $366713990.45

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000019103 | -1.36%               | -2.11%               | 2.42%                |
| Class ID C000019105 | -1.57%               | -2.13%               | 2.17%                |
| Class ID C000019106 | -1.38%               | -2.14%               | 2.41%                |
| Class ID C000019107 | -1.32%               | -2.11%               | 2.44%                |
| Class ID C000054721 | -1.34%               | -2.14%               | 2.45%                |
| Class ID C000054722 | -1.42%               | -2.13%               | 2.41%                |
| Class ID C000054723 | -1.37%               | -2.12%               | 2.39%                |
| Class ID C000156659 | -1.36%               | -2.17%               | 2.48%                |
| Class ID C000156660 | -1.32%               | -2.10%               | 2.44%                |
| Class ID C000156661 | -1.35%               | -2.08%               | 2.46%                |
| Class ID C000188284 | -1.35%               | -2.12%               | 2.46%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $-3032391.62             | $-2257977.56                               |
| Month 2  | $5124366.64              | $-12712074.61                              |
| Month 3  | $-4691204.60             | $12773971.79                               |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Acushnet Holdings Corp               | Acushnet Holdings Corp               | CUSIP: 005098108<br>LEI: 529900W5FI106H543E43 | Long             | EC               | CORP              | US        |     77930 | NS      | $6553913.00   | 1.79%             |  |  |  | No            |                  1 | On Loan: No      |
| Addus HomeCare Corp                  | Addus HomeCare Corp                  | CUSIP: 006739106<br>LEI: 52990090ZT33AKPDBX62 | Long             | EC               | CORP              | US        |     48317 | NS      | $5807703.40   | 1.58%             |  |  |  | No            |                  1 | On Loan: No      |
| Advanced Energy Industries Inc       | Advanced Energy Industries Inc       | CUSIP: 007973100<br>LEI: 549300756XI3QLFT2U27 | Long             | EC               | CORP              | US        |     35717 | NS      | $7543073.23   | 2.06%             |  |  |  | No            |                  1 | On Loan: No      |
| Affiliated Managers Group Inc        | Affiliated Managers Group Inc        | CUSIP: 008252108<br>LEI: 2JE75BUE3T1BLCYYGK54 | Long             | EC               | CORP              | US        |     21095 | NS      | $5670968.85   | 1.55%             |  |  |  | No            |                  1 | On Loan: No      |
| Arcosa Inc                           | Arcosa Inc                           | CUSIP: 039653100<br>LEI: 549300WFHLTCZV7D6V29 | Long             | EC               | CORP              | US        |     67504 | NS      | $7191876.16   | 1.96%             |  |  |  | No            |                  1 | On Loan: No      |
| Avient Corp                          | Avient Corp                          | CUSIP: 05368V106<br>LEI: SM8L9RZYIB34LNTWO040 | Long             | EC               | CORP              | US        |    181098 | NS      | $5539787.82   | 1.51%             |  |  |  | No            |                  1 | On Loan: No      |
| Axos Financial Inc                   | Axos Financial Inc                   | CUSIP: 05465C100<br>LEI: 529900D8M56422GK9O25 | Long             | EC               | CORP              | US        |     59829 | NS      | $4916747.22   | 1.34%             |  |  |  | No            |                  1 | On Loan: No      |
| Bancorp Inc/The                      | Bancorp Inc/The                      | CUSIP: 05969A105<br>LEI: 894500FP2ICT1B019Y71 | Long             | EC               | CORP              | US        |     88458 | NS      | $5667504.06   | 1.55%             |  |  |  | No            |                  1 | On Loan: No      |
| Bank of Hawaii Corp                  | Bank of Hawaii Corp                  | CUSIP: 062540109<br>LEI: 5493006Q8BQ8AD8M2U33 | Long             | EC               | CORP              | US        |     68049 | NS      | $4459931.46   | 1.22%             |  |  |  | No            |                  1 | On Loan: No      |
| Belden Inc                           | Belden Inc                           | CUSIP: 077454106<br>LEI: 68BKYO1JC791TTJHUE82 | Long             | EC               | CORP              | US        |     55819 | NS      | $6329874.60   | 1.73%             |  |  |  | No            |                  1 | On Loan: No      |
| Blackbaud Inc                        | Blackbaud Inc                        | CUSIP: 09227Q100<br>LEI: 54930056X3HKFMNG3754 | Long             | EC               | CORP              | US        |     78099 | NS      | $4403221.62   | 1.20%             |  |  |  | No            |                  1 | On Loan: No      |
| Brady Corp                           | Brady Corp                           | CUSIP: 104674106<br>LEI: 549300G2LEQOFQC8GY34 | Long             | EC               | CORP              | US        |     82292 | NS      | $6438526.08   | 1.76%             |  |  |  | No            |                  1 | On Loan: No      |
| Commvault Systems Inc                | Commvault Systems Inc                | CUSIP: 204166102<br>LEI: 65T5VRP62VXG39YFML83 | Long             | EC               | CORP              | US        |     49111 | NS      | $6065208.50   | 1.65%             |  |  |  | No            |                  1 | On Loan: No      |
| Crane Co                             | Crane Co                             | CUSIP: 224408104<br>LEI: 5493000CQRQOTHUODL75 | Long             | EC               | CORP              | US        |     20417 | NS      | $3741415.25   | 1.02%             |  |  |  | No            |                  1 | On Loan: No      |
| Crane NXT Co                         | Crane NXT Co                         | CUSIP: 224441105<br>LEI: 549300EXNPSXEWUD3N21 | Long             | EC               | CORP              | US        |     98361 | NS      | $5537724.30   | 1.51%             |  |  |  | No            |                  1 | On Loan: No      |
| Element Solutions Inc                | Element Solutions Inc                | CUSIP: 28618M106<br>LEI: 549300FLGN6P5CU20J91 | Long             | EC               | CORP              | US        |    231477 | NS      | $5999883.84   | 1.64%             |  |  |  | No            |                  1 | On Loan: No      |
| Everus Construction Group Inc        | Everus Construction Group Inc        | CUSIP: 300426103<br>LEI: 2549006JMMHR0KILT425 | Long             | EC               | CORP              | US        |     41357 | NS      | $3803189.72   | 1.04%             |  |  |  | No            |                  1 | On Loan: No      |
| First BanCorp/Puerto Rico            | First BanCorp/Puerto Rico            | CUSIP: 318672706<br>LEI: N/A                  | Long             | EC               | CORP              | PR        |    360680 | NS      | $7130643.60   | 1.94%             |  |  |  | No            |                  1 | On Loan: No      |
| FirstCash Holdings Inc               | FirstCash Holdings Inc               | CUSIP: 33768G107<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     47299 | NS      | $7492634.59   | 2.04%             |  |  |  | No            |                  1 | On Loan: No      |
| Fortrea Holdings Inc                 | Fortrea Holdings Inc                 | CUSIP: 34965K107<br>LEI: 5493000FIVFABOVCDU97 | Long             | EC               | CORP              | US        |    512553 | NS      | $6514548.63   | 1.78%             |  |  |  | No            |                  1 | On Loan: No      |
| HB Fuller Co                         | HB Fuller Co                         | CUSIP: 359694106<br>LEI: JSMX3Z5FOYM8V0Q52357 | Long             | EC               | CORP              | US        |     93315 | NS      | $5438398.20   | 1.48%             |  |  |  | No            |                  1 | On Loan: No      |
| Griffon Corp                         | Griffon Corp                         | CUSIP: 398433102<br>LEI: 5493000C2SGNC7ZN3242 | Long             | EC               | CORP              | US        |     99590 | NS      | $7469250.00   | 2.04%             |  |  |  | No            |                  1 | On Loan: No      |
| Gulfport Energy Corp                 | Gulfport Energy Corp                 | CUSIP: 402635502<br>LEI: 254900DJRGZBUZ3F5038 | Long             | EC               | CORP              | US        |     33741 | NS      | $7507035.09   | 2.05%             |  |  |  | No            |                  1 | On Loan: No      |
| Heritage Financial Corp/WA           | Heritage Financial Corp/WA           | CUSIP: 42722X106<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    280934 | NS      | $6725559.96   | 1.83%             |  |  |  | No            |                  1 | On Loan: No      |
| IDACORP Inc                          | IDACORP Inc                          | CUSIP: 451107106<br>LEI: N134NUJDWN8UEFA8B673 | Long             | EC               | CORP              | US        |     56410 | NS      | $7433709.80   | 2.03%             |  |  |  | No            |                  1 | On Loan: No      |
| Interparfums Inc                     | Interparfums Inc                     | CUSIP: 458334109<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     62069 | NS      | $5044347.63   | 1.38%             |  |  |  | No            |                  1 | On Loan: No      |
| LCI Industries                       | LCI Industries                       | CUSIP: 50189K103<br>LEI: 549300E1B98YNJ1WIQ04 | Long             | EC               | CORP              | US        |     59602 | NS      | $6774959.34   | 1.85%             |  |  |  | No            |                  1 | On Loan: No      |
| Marzetti Company/The                 | Marzetti Company/The                 | CUSIP: 513847103<br>LEI: 529900X4O13HED1ZAS58 | Long             | EC               | CORP              | US        |     33748 | NS      | $5633891.12   | 1.54%             |  |  |  | No            |                  1 | On Loan: No      |
| Landstar System Inc                  | Landstar System Inc                  | CUSIP: 515098101<br>LEI: 254900CUQXQRL09MEI52 | Long             | EC               | CORP              | US        |     48667 | NS      | $6367590.28   | 1.74%             |  |  |  | No            |                  1 | On Loan: No      |
| Littelfuse Inc                       | Littelfuse Inc                       | CUSIP: 537008104<br>LEI: 549300MY7HLQFYTPCX75 | Long             | EC               | CORP              | US        |     27797 | NS      | $7116587.94   | 1.94%             |  |  |  | No            |                  1 | On Loan: No      |
| Marcus & Millichap Inc               | Marcus & Millichap Inc               | CUSIP: 566324109<br>LEI: 549300B2HE8ULXNB1N48 | Long             | EC               | CORP              | US        |    145196 | NS      | $4254242.80   | 1.16%             |  |  |  | No            |                  1 | On Loan: No      |
| Pediatrix Medical Group Inc          | Pediatrix Medical Group Inc          | CUSIP: 58502B106<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    250549 | NS      | $6035725.41   | 1.65%             |  |  |  | No            |                  1 | On Loan: No      |
| Mirion Technologies Inc              | Mirion Technologies Inc              | CUSIP: 60471A101<br>LEI: 549300BNTOWVWFNVTJ65 | Long             | EC               | CORP              | US        |    157046 | NS      | $4086336.92   | 1.11%             |  |  |  | No            |                  1 | On Loan: No      |
| Moelis & Co                          | Moelis & Co                          | CUSIP: 60786M105<br>LEI: 549300891QNU7VTQUR83 | Long             | EC               | CORP              | US        |     53803 | NS      | $3452538.51   | 0.94%             |  |  |  | No            |                  1 | On Loan: No      |
| Nexstar Media Group Inc              | Nexstar Media Group Inc              | CUSIP: 65336K103<br>LEI: 52990083ZRR5UT591988 | Long             | EC               | CORP              | US        |     28279 | NS      | $5433527.06   | 1.48%             |  |  |  | No            |                  1 | On Loan: No      |
| Chord Energy Corp                    | Chord Energy Corp                    | CUSIP: 674215207<br>LEI: 529900FA4V2YNIKZ0M71 | Long             | EC               | CORP              | US        |     81301 | NS      | $7630911.86   | 2.08%             |  |  |  | No            |                  1 | On Loan: No      |
| Phibro Animal Health Corp            | Phibro Animal Health Corp            | CUSIP: 71742Q106<br>LEI: 549300U24SP4AF2JUX52 | Long             | EC               | CORP              | US        |     95470 | NS      | $3998283.60   | 1.09%             |  |  |  | No            |                  1 | On Loan: No      |
| Phillips Edison & Co Inc             | Phillips Edison & Co Inc             | CUSIP: 71844V201<br>LEI: 549300JPN4YHYPXTJQ85 | Long             | EC               |  | US        |    124638 | NS      | $4424649.00   | 1.21%             |  |  |  | No            |                  1 | On Loan: No      |
| PriceSmart Inc                       | PriceSmart Inc                       | CUSIP: 741511109<br>LEI: 549300JVYOSTGVSDZS46 | Long             | EC               | CORP              | US        |     42739 | NS      | $5261170.90   | 1.43%             |  |  |  | No            |                  1 | On Loan: No      |
| Rush Enterprises Inc                 | Rush Enterprises Inc                 | CUSIP: 781846209<br>LEI: 529900V3XHTN7A6DFT17 | Long             | EC               | CORP              | US        |    106422 | NS      | $5540329.32   | 1.51%             |  |  |  | No            |                  1 | On Loan: No      |
| Seacoast Banking Corp of Florida     | Seacoast Banking Corp of Florida     | CUSIP: 811707801<br>LEI: 549300V6IC06XYQYPG88 | Long             | EC               | CORP              | US        |    254935 | NS      | $8045748.60   | 2.19%             |  |  |  | No            |                  1 | On Loan: No      |
| Silicon Motion Technology Corp       | Silicon Motion Technology Corp       | CUSIP: 82706C108<br>LEI: 5299005RBVBZQJTYFC89 | Long             | EC               | CORP              | KY        |    101158 | NS      | $8999015.68   | 2.45%             |  |  |  | No            |                  1 | On Loan: No      |
| STAG Industrial Inc                  | STAG Industrial Inc                  | CUSIP: 85254J102<br>LEI: 549300QWYX2W6FASVQ07 | Long             | EC               |  | US        |    156319 | NS      | $6140210.32   | 1.67%             |  |  |  | No            |                  1 | On Loan: No      |
| Fixed Income Clearing Corp           | FIXED INC CLEARING CORP.REPO         | CUSIP: 000000000<br>LEI: 549300H47WTHXPU08X20 | Long             | RA               | CORP              | US        |   2050446 | PA      | $2050445.62   | 0.56%             |  |  |  | No            |                  2 | On Loan: No      |
| TWFG Inc                             | TWFG Inc                             | CUSIP: 87318A101<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    209143 | NS      | $5941752.63   | 1.62%             |  |  |  | No            |                  1 | On Loan: No      |
| Taylor Morrison Home Corp            | Taylor Morrison Home Corp            | CUSIP: 87724P106<br>LEI: 5299009UDLLGLKOOJE30 | Long             | EC               | CORP              | US        |     79831 | NS      | $5004605.39   | 1.36%             |  |  |  | No            |                  1 | On Loan: No      |
| TriMas Corp                          | TriMas Corp                          | CUSIP: 896215209<br>LEI: 75G1WUQ8QK4P5MZOYD78 | Long             | EC               | CORP              | US        |    193057 | NS      | $6577451.99   | 1.79%             |  |  |  | No            |                  1 | On Loan: No      |
| UFP Industries Inc                   | UFP Industries Inc                   | CUSIP: 90278Q108<br>LEI: 5493007KB485C9OV5572 | Long             | EC               | CORP              | US        |     39622 | NS      | $3684449.78   | 1.00%             |  |  |  | No            |                  1 | On Loan: No      |
| Vishay Precision Group Inc           | Vishay Precision Group Inc           | CUSIP: 92835K103<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    265310 | NS      | $9057683.40   | 2.47%             |  |  |  | No            |                  1 | On Loan: No      |
| WSFS Financial Corp                  | WSFS Financial Corp                  | CUSIP: 929328102<br>LEI: 549300SU7VQHD6QRG886 | Long             | EC               | CORP              | US        |    143907 | NS      | $8031449.67   | 2.19%             |  |  |  | No            |                  1 | On Loan: No      |
| WillScot Holdings Corp               | WillScot Holdings Corp               | CUSIP: 971378104<br>LEI: 549300HJ4VIXF476Q166 | Long             | EC               | CORP              | US        |    352492 | NS      | $6961717.00   | 1.90%             |  |  |  | No            |                  1 | On Loan: No      |
| Wintrust Financial Corp              | Wintrust Financial Corp              | CUSIP: 97650W108<br>LEI: Q774KI4AW80FHFW33O61 | Long             | EC               | CORP              | US        |     55643 | NS      | $7457274.86   | 2.03%             |  |  |  | No            |                  1 | On Loan: No      |
| Worthington Enterprises Inc          | Worthington Enterprises Inc          | CUSIP: 981811102<br>LEI: 1WRCIANKYOIK6KYE5E82 | Long             | EC               | CORP              | US        |    153607 | NS      | $8426880.02   | 2.30%             |  |  |  | No            |                  1 | On Loan: No      |
| Samsonite Group SA                   | Samsonite Group SA                   | CUSIP: 000000000<br>LEI: 549300UULS5HYFJSEL12 | Long             | EC               | CORP              | LU        |   2952151 | NS      | $7297012.45   | 1.99%             |  |  |  | Yes           |                  2 | On Loan: No      |
| Bank of NT Butterfield & Son Ltd/The | Bank of NT Butterfield & Son Ltd/The | CUSIP: 000000000<br>LEI: 549300V8RVM0EMTDPF28 | Long             | EC               | CORP              | BM        |    153122 | NS      | $7110985.68   | 1.94%             |  |  |  | No            |                  1 | On Loan: No      |
| Cushman & Wakefield Ltd              | Cushman & Wakefield Ltd              | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | BM        |    693769 | NS      | $11620630.75  | 3.17%             |  |  |  | No            |                  1 | On Loan: No      |
| Genpact Ltd                          | Genpact Ltd                          | CUSIP: 000000000<br>LEI: 529900OSEC6Q0L4L5B35 | Long             | EC               | CORP              | BM        |    172790 | NS      | $7613127.40   | 2.08%             |  |  |  | No            |                  1 | On Loan: No      |
| Marex Group PLC                      | Marex Group PLC                      | CUSIP: 000000000<br>LEI: 549300DWX0SVICJAL507 | Long             | EC               | CORP              | GB        |    174808 | NS      | $6081570.32   | 1.66%             |  |  |  | No            |                  1 | On Loan: No      |
| White Mountains Insurance Group Ltd  | White Mountains Insurance Group Ltd  | CUSIP: 000000000<br>LEI: 549300N3FL068JERBG02 | Long             | EC               | CORP              | BM        |      4028 | NS      | $8153679.00   | 2.22%             |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2026-01-08

**Name of Applicant:** LORD ABBETT RESEARCH FUND INC

**Signature:** Michael Hebert

**Name of Signer:** Michael Hebert

**Title:** Chief Financial Officer