# EDGAR Filing Document

**Accession Number:** 0000742212
**File Stem:** 0001752724-25-192567
**Filing Date:** 2025-8
**Character Count:** 51949
**Document Hash:** 45740e1acfde106a90321802593eb4a4
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001752724-25-192567.hdr.sgml**: 20250819

**ACCESSION NUMBER**: 0001752724-25-192567

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250630

**FILED AS OF DATE**: 20250819

**DATE AS OF CHANGE**: 20250819

**PERIOD START**: 20251231

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** NORTHWESTERN MUTUAL SERIES FUND INC
- **CENTRAL INDEX KEY:** 0000742212

**ORGANIZATION NAME:**
- **EIN:** 391603401
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-03990
- **FILM NUMBER:** 251231248

**BUSINESS ADDRESS:**
- **STREET 1:** 720 E WISCONSIN AVE
- **CITY:** MILWAUKEE
- **STATE:** WI
- **ZIP:** 53202
- **BUSINESS PHONE:** 4142992508

**MAIL ADDRESS:**
- **STREET 1:** 720 EAST WISCONSIN AVE
- **CITY:** MILWAUKEE
- **STATE:** WI
- **ZIP:** 53202

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** NORTHWESTERN MUTUAL VARIABLE LIFE SERIES FUND INC
- **DATE OF NAME CHANGE:** 19940830

## Series and Classes Contracts Data

### Small Cap Growth Stock Portfolio (Series ID: S000000039)

| Class ID   | Class Name                       | Ticker Symbol   |
|:---|:---|:---|
| C000000074 | Small Cap Growth Stock Portfolio |  |

## Form NPORT-P: Monthly Portfolio Investments Report

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

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

- **a. Name of Registrant:** NORTHWESTERN MUTUAL SERIES FUND INC

- **b. Investment Company Act file number:** 811-03990

- **c. CIK number of Registrant:** 0000742212

- **d. LEI of Registrant:** 549300T1UBX7MDSNZA55

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

  - **Street Address 1:** 720 E WISCONSIN AVE

  - **City:** MILWAUKEE

  - **State:** WI

  - **Foreign country:** US

  - **Zip / Postal Code:** 53202

  - **Telephone number:** 414-271-1444

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

- **a. Name of Series:** Small Cap Growth Stock Portfolio

- **b. EDGAR series identifier (if any):** S000000039

- **c. LEI of Series:** YTR2S467AP5XPLF6CQ13

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

- **a. Date of fiscal year-end:** 2025-12-31

- **b. Date as of which information is reported:** 2025-06-30

**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:** $700435418.34

**Total Liabilities:** $368851.12

**Net Assets:** $700066567.22

**Cash Not Reported:** $9798989.75

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000000074 | -1.54%               | 5.07%                | 5.70%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $-13490886.35            | $4131417.68                                |
| Month 2  | $1023799.42              | $30983401.70                               |
| Month 3  | $9741262.02              | $27538467.65                               |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| WESCO International Inc                 | WESCO International Inc                 | CUSIP: 95082P105<br>LEI: 529900TXOGREY3WNJ434 | Long             | EC               | CORP              | US        |     30791 | NS      | $5702493.20   | 0.81%             |  |  |  | No            |                  1 | On Loan: No      |
| Ionis Pharmaceuticals Inc               | Ionis Pharmaceuticals Inc               | CUSIP: 462222100<br>LEI: 549300SI4ZGLG0BLUZ92 | Long             | EC               | CORP              | US        |     46213 | NS      | $1825875.63   | 0.26%             |  |  |  | No            |                  1 | On Loan: No      |
| FMC Corp                                | FMC Corp                                | CUSIP: 302491303<br>LEI: CKDHZ2X64EEBQCSP7013 | Long             | EC               | CORP              | US        |     94789 | NS      | $3957440.75   | 0.57%             |  |  |  | No            |                  1 | On Loan: No      |
| Independence Realty Trust Inc           | Independence Realty Trust Inc           | CUSIP: 45378A106<br>LEI: 549300Z3L8NU44NQEB29 | Long             | EC               |  | US        |    267077 | NS      | $4724592.13   | 0.67%             |  |  |  | No            |                  1 | On Loan: No      |
| Primoris Services Corp                  | Primoris Services Corp                  | CUSIP: 74164F103<br>LEI: 549300UF3OLBJ8D5K349 | Long             | EC               | CORP              | US        |     68151 | NS      | $5311688.94   | 0.76%             |  |  |  | No            |                  1 | On Loan: No      |
| AZEK Co Inc/The                         | AZEK Co Inc/The                         | CUSIP: 05478C105<br>LEI: 5493002LDDDU1RX46815 | Long             | EC               | CORP              | US        |    111020 | NS      | $6033937.00   | 0.86%             |  |  |  | No            |                  1 | On Loan: No      |
| Carpenter Technology Corp               | Carpenter Technology Corp               | CUSIP: 144285103<br>LEI: DX6I6ZD3X5WNNCDJKP85 | Long             | EC               | CORP              | US        |     22186 | NS      | $6131766.68   | 0.88%             |  |  |  | No            |                  1 | On Loan: No      |
| Viavi Solutions Inc                     | Viavi Solutions Inc                     | CUSIP: 925550105<br>LEI: 5493006K3E3N1QOBF092 | Long             | EC               | CORP              | US        |    369793 | NS      | $3723815.51   | 0.53%             |  |  |  | No            |                  1 | On Loan: No      |
| Hyatt Hotels Corp                       | Hyatt Hotels Corp                       | CUSIP: 448579102<br>LEI: T27JQIMTYSH41TCD5186 | Long             | EC               | CORP              | US        |     26475 | NS      | $3697233.75   | 0.53%             |  |  |  | No            |                  1 | On Loan: No      |
| Vertex Inc                              | Vertex Inc                              | CUSIP: 92538J106<br>LEI: 549300QMYW171MP1PL50 | Long             | EC               | CORP              | US        |    133991 | NS      | $4734571.99   | 0.68%             |  |  |  | No            |                  1 | On Loan: No      |
| Interparfums Inc                        | Interparfums Inc                        | CUSIP: 458334109<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     46262 | NS      | $6074663.22   | 0.87%             |  |  |  | No            |                  1 | On Loan: No      |
| Stifel Financial Corp                   | Stifel Financial Corp                   | CUSIP: 860630102<br>LEI: 549300E5F07FE5GHJX84 | Long             | EC               | CORP              | US        |     74626 | NS      | $7744686.28   | 1.11%             |  |  |  | No            |                  1 | On Loan: No      |
| Protagonist Therapeutics Inc            | Protagonist Therapeutics Inc            | CUSIP: 74366E102<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     68885 | NS      | $3807273.95   | 0.54%             |  |  |  | No            |                  1 | On Loan: No      |
| Cabot Corp                              | Cabot Corp                              | CUSIP: 127055101<br>LEI: K05C0SER542GQ6VLRO68 | Long             | EC               | CORP              | US        |     90044 | NS      | $6753300.00   | 0.96%             |  |  |  | No            |                  1 | On Loan: No      |
| Pool Corp                               | Pool Corp                               | CUSIP: 73278L105<br>LEI: 5493005VZK1KMN6CO617 | Long             | EC               | CORP              | US        |     14418 | NS      | $4202558.64   | 0.60%             |  |  |  | No            |                  1 | On Loan: No      |
| Evercore Inc                            | Evercore Inc                            | CUSIP: 29977A105<br>LEI: 529900P6KLPT95DW3W58 | Long             | EC               | CORP              | US        |     18191 | NS      | $4911933.82   | 0.70%             |  |  |  | No            |                  1 | On Loan: No      |
| Kontoor Brands Inc                      | Kontoor Brands Inc                      | CUSIP: 50050N103<br>LEI: 549300M0CPXV65RFF271 | Long             | EC               | CORP              | US        |     96199 | NS      | $6346248.03   | 0.91%             |  |  |  | No            |                  1 | On Loan: No      |
| Archer Aviation Inc                     | Archer Aviation Inc                     | CUSIP: 03945R102<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    224681 | NS      | $2437788.85   | 0.35%             |  |  |  | No            |                  1 | On Loan: No      |
| FirstCash Holdings Inc                  | FirstCash Holdings Inc                  | CUSIP: 33768G107<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     56927 | NS      | $7693114.78   | 1.10%             |  |  |  | No            |                  1 | On Loan: No      |
| Hamilton Lane Inc                       | Hamilton Lane Inc                       | CUSIP: 407497106<br>LEI: 5493006OKN3V1NORM833 | Long             | EC               | CORP              | US        |     39955 | NS      | $5678404.60   | 0.81%             |  |  |  | No            |                  1 | On Loan: No      |
| MBX Biosciences Inc                     | MBX Biosciences Inc                     | CUSIP: 55287L101<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     77052 | NS      | $879163.32    | 0.13%             |  |  |  | No            |                  1 | On Loan: No      |
| AtriCure Inc                            | AtriCure Inc                            | CUSIP: 04963C209<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    124453 | NS      | $4078324.81   | 0.58%             |  |  |  | No            |                  1 | On Loan: No      |
| MACOM Technology Solutions Holdings Inc | MACOM Technology Solutions Holdings Inc | CUSIP: 55405Y100<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     21158 | NS      | $3031729.82   | 0.43%             |  |  |  | No            |                  1 | On Loan: No      |
| ExlService Holdings Inc                 | ExlService Holdings Inc                 | CUSIP: 302081104<br>LEI: 81E3DTNF6OSH489ZOV15 | Long             | EC               | CORP              | US        |     97575 | NS      | $4272809.25   | 0.61%             |  |  |  | No            |                  1 | On Loan: No      |
| Atmus Filtration Technologies Inc       | Atmus Filtration Technologies Inc       | CUSIP: 04956D107<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    138099 | NS      | $5029565.58   | 0.72%             |  |  |  | No            |                  1 | On Loan: No      |
| Ollie's Bargain Outlet Holdings Inc     | Ollie's Bargain Outlet Holdings Inc     | CUSIP: 681116109<br>LEI: 529900YO5DSQCPEFDZ05 | Long             | EC               | CORP              | US        |     39005 | NS      | $5140078.90   | 0.73%             |  |  |  | No            |                  1 | On Loan: No      |
| Merit Medical Systems Inc               | Merit Medical Systems Inc               | CUSIP: 589889104<br>LEI: 549300OYTY138SP2CE83 | Long             | EC               | CORP              | US        |     62461 | NS      | $5838854.28   | 0.83%             |  |  |  | No            |                  1 | On Loan: No      |
| Spyre Therapeutics Inc                  | Spyre Therapeutics Inc                  | CUSIP: 00773J202<br>LEI: 52990017AIJPRH3HQH40 | Long             | EC               | CORP              | US        |     84766 | NS      | $1268947.02   | 0.18%             |  |  |  | No            |                  1 | On Loan: No      |
| iRhythm Technologies Inc                | iRhythm Technologies Inc                | CUSIP: 450056106<br>LEI: 549300FJI72RJGDQS384 | Long             | EC               | CORP              | US        |     40712 | NS      | $6268019.52   | 0.90%             |  |  |  | No            |                  1 | On Loan: No      |
| Cirrus Logic Inc                        | Cirrus Logic Inc                        | CUSIP: 172755100<br>LEI: 549300NKSJEM5ZZSSV18 | Long             | EC               | CORP              | US        |     44800 | NS      | $4670624.00   | 0.67%             |  |  |  | No            |                  1 | On Loan: No      |
| BILL Holdings Inc                       | BILL Holdings Inc                       | CUSIP: 090043100<br>LEI: 549300IBF9VZZIGOZW63 | Long             | EC               | CORP              | US        |     82385 | NS      | $3811130.10   | 0.54%             |  |  |  | No            |                  1 | On Loan: No      |
| Axalta Coating Systems Ltd              | Axalta Coating Systems Ltd              | CUSIP: 000000000<br>LEI: 529900AGLPA40GV6H619 | Long             | EC               | CORP              | BM        |    163178 | NS      | $4844754.82   | 0.69%             |  |  |  | No            |                  1 | On Loan: No      |
| Intapp Inc                              | Intapp Inc                              | CUSIP: 45827U109<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     78858 | NS      | $4070649.96   | 0.58%             |  |  |  | No            |                  1 | On Loan: No      |
| Modine Manufacturing Co                 | Modine Manufacturing Co                 | CUSIP: 607828100<br>LEI: Z35SZFYJR8GZZRSIUU09 | Long             | EC               | CORP              | US        |     67768 | NS      | $6675148.00   | 0.95%             |  |  |  | No            |                  1 | On Loan: No      |
| Remitly Global Inc                      | Remitly Global Inc                      | CUSIP: 75960P104<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    222330 | NS      | $4173134.10   | 0.60%             |  |  |  | No            |                  1 | On Loan: No      |
| Appfolio Inc                            | Appfolio Inc                            | CUSIP: 03783C100<br>LEI: 529900OOUUGT6JFC0S15 | Long             | EC               | CORP              | US        |     11553 | NS      | $2660424.84   | 0.38%             |  |  |  | No            |                  1 | On Loan: No      |
| Synovus Financial Corp                  | Synovus Financial Corp                  | CUSIP: 87161C501<br>LEI: 549300EIUS8UN5JTLE54 | Long             | EC               | CORP              | US        |    134050 | NS      | $6937087.50   | 0.99%             |  |  |  | No            |                  1 | On Loan: No      |
| Boot Barn Holdings Inc                  | Boot Barn Holdings Inc                  | CUSIP: 099406100<br>LEI: 529900QE1BFMYA3N4E71 | Long             | EC               | CORP              | US        |     45007 | NS      | $6841064.00   | 0.98%             |  |  |  | No            |                  1 | On Loan: No      |
| Dorman Products Inc                     | Dorman Products Inc                     | CUSIP: 258278100<br>LEI: 2549000O0BBUX740XR59 | Long             | EC               | CORP              | US        |     51241 | NS      | $6285733.47   | 0.90%             |  |  |  | No            |                  1 | On Loan: No      |
| Ryder System Inc                        | Ryder System Inc                        | CUSIP: 783549108<br>LEI: ZXJ6Y2OSPZXIVGRILD15 | Long             | EC               | CORP              | US        |     30794 | NS      | $4896246.00   | 0.70%             |  |  |  | No            |                  1 | On Loan: No      |
| Genius Sports Ltd                       | Genius Sports Ltd                       | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | GG        |    210367 | NS      | $2187816.80   | 0.31%             |  |  |  | No            |                  1 | On Loan: No      |
| Pegasystems Inc                         | Pegasystems Inc                         | CUSIP: 705573103<br>LEI: 549300FMCOKPL06FYN26 | Long             | EC               | CORP              | US        |    104664 | NS      | $5665462.32   | 0.81%             |  |  |  | No            |                  1 | On Loan: No      |
| AZZ Inc                                 | AZZ Inc                                 | CUSIP: 002474104<br>LEI: 549300HD1X2NFLWPYC83 | Long             | EC               | CORP              | US        |     48170 | NS      | $4551101.60   | 0.65%             |  |  |  | No            |                  1 | On Loan: No      |
| Chefs' Warehouse Inc/The                | Chefs' Warehouse Inc/The                | CUSIP: 163086101<br>LEI: 549300JYEDC8C547E980 | Long             | EC               | CORP              | US        |     81692 | NS      | $5212766.52   | 0.74%             |  |  |  | No            |                  1 | On Loan: No      |
| Smith Douglas Homes Corp                | Smith Douglas Homes Corp                | CUSIP: 83207R107<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    103456 | NS      | $2009115.52   | 0.29%             |  |  |  | No            |                  1 | On Loan: No      |
| Revolution Medicines Inc                | Revolution Medicines Inc                | CUSIP: 76155X100<br>LEI: 549300JU3X0LBCQ65892 | Long             | EC               | CORP              | US        |     46367 | NS      | $1705841.93   | 0.24%             |  |  |  | No            |                  1 | On Loan: No      |
| Cactus Inc                              | Cactus Inc                              | CUSIP: 127203107<br>LEI: 549300J3T8C9F8QFKV08 | Long             | EC               | CORP              | US        |     85079 | NS      | $3719653.88   | 0.53%             |  |  |  | No            |                  1 | On Loan: No      |
| Huron Consulting Group Inc              | Huron Consulting Group Inc              | CUSIP: 447462102<br>LEI: 549300NGVB9H6TKTLE36 | Long             | EC               | CORP              | US        |     25233 | NS      | $3470546.82   | 0.50%             |  |  |  | No            |                  1 | On Loan: No      |
| Grid Dynamics Holdings Inc              | Grid Dynamics Holdings Inc              | CUSIP: 39813G109<br>LEI: 9845007E77EEC65AZE29 | Long             | EC               | CORP              | US        |    220097 | NS      | $2542120.35   | 0.36%             |  |  |  | No            |                  1 | On Loan: No      |
| Wingstop Inc                            | Wingstop Inc                            | CUSIP: 974155103<br>LEI: 549300SSH3F8HPIM3Q47 | Long             | EC               | CORP              | US        |     12913 | NS      | $4348323.62   | 0.62%             |  |  |  | No            |                  1 | On Loan: No      |
| Sweetgreen Inc                          | Sweetgreen Inc                          | CUSIP: 87043Q108<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    286629 | NS      | $4265039.52   | 0.61%             |  |  |  | No            |                  1 | On Loan: No      |
| Verona Pharma PLC                       | Verona Pharma PLC                       | CUSIP: 925050106<br>LEI: 213800EVI6O6J3TIAL06 | Long             | EC               | CORP              | GB        |     39060 | NS      | $3694294.80   | 0.53%             |  |  |  | No            |                  1 | On Loan: No      |
| Celldex Therapeutics Inc                | Celldex Therapeutics Inc                | CUSIP: 15117B202<br>LEI: 529900F018DMYWH38923 | Long             | EC               | CORP              | US        |     92189 | NS      | $1876046.15   | 0.27%             |  |  |  | No            |                  1 | On Loan: No      |
| Fluor Corp                              | Fluor Corp                              | CUSIP: 343412102<br>LEI: CQ7WZ4NOFWT7FAE6Q943 | Long             | EC               | CORP              | US        |    129694 | NS      | $6649411.38   | 0.95%             |  |  |  | No            |                  1 | On Loan: No      |
| Structure Therapeutics Inc              | Structure Therapeutics Inc              | CUSIP: 86366E106<br>LEI: N/A                  | Long             | EC               | CORP              | KY        |     50227 | NS      | $1041707.98   | 0.15%             |  |  |  | No            |                  1 | On Loan: No      |
| Disc Medicine Inc                       | Disc Medicine Inc                       | CUSIP: 254604101<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     44757 | NS      | $2370330.72   | 0.34%             |  |  |  | No            |                  1 | On Loan: No      |
| Patrick Industries Inc                  | Patrick Industries Inc                  | CUSIP: 703343103<br>LEI: 549300FZ5ZTCCJ3Z5W14 | Long             | EC               | CORP              | US        |     50298 | NS      | $4640996.46   | 0.66%             |  |  |  | No            |                  1 | On Loan: No      |
| Atlanta Braves Holdings Inc             | Atlanta Braves Holdings Inc             | CUSIP: 047726302<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    110451 | NS      | $5165793.27   | 0.74%             |  |  |  | No            |                  1 | On Loan: No      |
| Universal Technical Institute Inc       | Universal Technical Institute Inc       | CUSIP: 913915104<br>LEI: 2549003YOJGAZ0PVFV48 | Long             | EC               | CORP              | US        |    120587 | NS      | $4086693.43   | 0.58%             |  |  |  | No            |                  1 | On Loan: No      |
| Varonis Systems Inc                     | Varonis Systems Inc                     | CUSIP: 922280102<br>LEI: 549300SHIVNRRH7STS26 | Long             | EC               | CORP              | US        |     94453 | NS      | $4793489.75   | 0.68%             |  |  |  | No            |                  1 | On Loan: No      |
| MYR Group Inc                           | MYR Group Inc                           | CUSIP: 55405W104<br>LEI: 529900G1IMMZHOQ17I54 | Long             | EC               | CORP              | US        |     23068 | NS      | $4185688.60   | 0.60%             |  |  |  | No            |                  1 | On Loan: No      |
| Gulfport Energy Corp                    | Gulfport Energy Corp                    | CUSIP: 402635502<br>LEI: 254900DJRGZBUZ3F5038 | Long             | EC               | CORP              | US        |     25648 | NS      | $5159608.16   | 0.74%             |  |  |  | No            |                  1 | On Loan: No      |
| Akero Therapeutics Inc                  | Akero Therapeutics Inc                  | CUSIP: 00973Y108<br>LEI: 549300SI3KG74LBE2955 | Long             | EC               | CORP              | US        |     62010 | NS      | $3308853.60   | 0.47%             |  |  |  | No            |                  1 | On Loan: No      |
| TransMedics Group Inc                   | TransMedics Group Inc                   | CUSIP: 89377M109<br>LEI: 549300060GVOSMWARH50 | Long             | EC               | CORP              | US        |     17298 | NS      | $2318104.98   | 0.33%             |  |  |  | No            |                  1 | On Loan: No      |
| Axsome Therapeutics Inc                 | Axsome Therapeutics Inc                 | CUSIP: 05464T104<br>LEI: 549300EXGR0XLRJEIB95 | Long             | EC               | CORP              | US        |     42902 | NS      | $4478539.78   | 0.64%             |  |  |  | No            |                  1 | On Loan: No      |
| Rambus Inc                              | Rambus Inc                              | CUSIP: 750917106<br>LEI: 2549000211GDCQSLV833 | Long             | EC               | CORP              | US        |     90231 | NS      | $5776588.62   | 0.83%             |  |  |  | No            |                  1 | On Loan: No      |
| ATI Inc                                 | ATI Inc                                 | CUSIP: 01741R102<br>LEI: ZW1LRE7C3H17O2ZN9B45 | Long             | EC               | CORP              | US        |     75766 | NS      | $6541636.44   | 0.93%             |  |  |  | No            |                  1 | On Loan: No      |
| GeneDx Holdings Corp                    | GeneDx Holdings Corp                    | CUSIP: 81663L200<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     37003 | NS      | $3415746.93   | 0.49%             |  |  |  | No            |                  1 | On Loan: No      |
| SPX Technologies Inc                    | SPX Technologies Inc                    | CUSIP: 78473E103<br>LEI: P761FCI0CPOG24I8JE10 | Long             | EC               | CORP              | US        |     58272 | NS      | $9771048.96   | 1.40%             |  |  |  | No            |                  1 | On Loan: No      |
| Sezzle Inc                              | Sezzle Inc                              | CUSIP: 78435P105<br>LEI: 9845000CA64541AE3I35 | Long             | EC               | CORP              | US        |     16357 | NS      | $2931992.25   | 0.42%             |  |  |  | No            |                  1 | On Loan: No      |
| Hims & Hers Health Inc                  | Hims & Hers Health Inc                  | CUSIP: 433000106<br>LEI: 254900V041EIVTSB6D58 | Long             | EC               | CORP              | US        |     82745 | NS      | $4124838.25   | 0.59%             |  |  |  | No            |                  1 | On Loan: No      |
| SiriusPoint Ltd                         | SiriusPoint Ltd                         | CUSIP: 000000000<br>LEI: 549300OGXFI85N3YZZ51 | Long             | EC               | CORP              | BM        |     49403 | NS      | $1007327.17   | 0.14%             |  |  |  | No            |                  1 | On Loan: No      |
| Cargurus Inc                            | Cargurus Inc                            | CUSIP: 141788109<br>LEI: 54930027BKQN6B7X7G78 | Long             | EC               | CORP              | US        |    158551 | NS      | $5306701.97   | 0.76%             |  |  |  | No            |                  1 | On Loan: No      |
| AeroVironment Inc                       | AeroVironment Inc                       | CUSIP: 008073108<br>LEI: 529900PGHVI29YLZ6221 | Long             | EC               | CORP              | US        |     32546 | NS      | $9273982.70   | 1.32%             |  |  |  | No            |                  1 | On Loan: No      |
| Avidity Biosciences Inc                 | Avidity Biosciences Inc                 | CUSIP: 05370A108<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    128227 | NS      | $3641646.80   | 0.52%             |  |  |  | No            |                  1 | On Loan: No      |
| WD-40 Co                                | WD-40 Co                                | CUSIP: 929236107<br>LEI: 549300UZHTN0CNKBOB19 | Long             | EC               | CORP              | US        |     25068 | NS      | $5717760.12   | 0.82%             |  |  |  | No            |                  1 | On Loan: No      |
| Rush Enterprises Inc                    | Rush Enterprises Inc                    | CUSIP: 781846209<br>LEI: 529900V3XHTN7A6DFT17 | Long             | EC               | CORP              | US        |     77614 | NS      | $3997897.14   | 0.57%             |  |  |  | No            |                  1 | On Loan: No      |
| Veracyte Inc                            | Veracyte Inc                            | CUSIP: 92337F107<br>LEI: 529900ESWZRHXOW27Z37 | Long             | EC               | CORP              | US        |    122708 | NS      | $3316797.24   | 0.47%             |  |  |  | No            |                  1 | On Loan: No      |
| Ensign Group Inc/The                    | Ensign Group Inc/The                    | CUSIP: 29358P101<br>LEI: 5493003K4HEEA8Q0BC72 | Long             | EC               | CORP              | US        |     76076 | NS      | $11735483.76  | 1.68%             |  |  |  | No            |                  1 | On Loan: No      |
| Vaxcyte Inc                             | Vaxcyte Inc                             | CUSIP: 92243G108<br>LEI: 254900M7NMHTGASX8D95 | Long             | EC               | CORP              | US        |     42081 | NS      | $1368053.31   | 0.20%             |  |  |  | No            |                  1 | On Loan: No      |
| Lumentum Holdings Inc                   | Lumentum Holdings Inc                   | CUSIP: 55024U109<br>LEI: 549300JLWRRC38DWEF52 | Long             | EC               | CORP              | US        |     48911 | NS      | $4649479.66   | 0.66%             |  |  |  | No            |                  1 | On Loan: No      |
| Blueprint Medicines Corp                | Blueprint Medicines Corp                | CUSIP: 09627Y109<br>LEI: 5299004CC60O9T5HVM83 | Long             | EC               | CORP              | US        |     46804 | NS      | $5999336.72   | 0.86%             |  |  |  | No            |                  1 | On Loan: No      |
| Verra Mobility Corp                     | Verra Mobility Corp                     | CUSIP: 92511U102<br>LEI: 549300XX5EKGLR0M4152 | Long             | EC               | CORP              | US        |    363717 | NS      | $9234774.63   | 1.32%             |  |  |  | No            |                  1 | On Loan: No      |
| Perella Weinberg Partners               | Perella Weinberg Partners               | CUSIP: 71367G102<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    192615 | NS      | $3740583.30   | 0.53%             |  |  |  | No            |                  1 | On Loan: No      |
| Nuvalent Inc                            | Nuvalent Inc                            | CUSIP: 670703107<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     40043 | NS      | $3055280.90   | 0.44%             |  |  |  | No            |                  1 | On Loan: No      |
| Kymera Therapeutics Inc                 | Kymera Therapeutics Inc                 | CUSIP: 501575104<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     62582 | NS      | $2731078.48   | 0.39%             |  |  |  | No            |                  1 | On Loan: No      |
| Agilysys Inc                            | Agilysys Inc                            | CUSIP: 00847J105<br>LEI: 5299001XWB5V3B5IPN93 | Long             | EC               | CORP              | US        |     46116 | NS      | $5286738.24   | 0.76%             |  |  |  | No            |                  1 | On Loan: No      |
| Fabrinet                                | Fabrinet                                | CUSIP: 000000000<br>LEI: 5493004TETZ6IYF7CV44 | Long             | EC               | CORP              | KY        |     23297 | NS      | $6865159.96   | 0.98%             |  |  |  | No            |                  1 | On Loan: No      |
| YETI Holdings Inc                       | YETI Holdings Inc                       | CUSIP: 98585X104<br>LEI: 549300DSQICIGNT5GO63 | Long             | EC               | CORP              | US        |    132591 | NS      | $4179268.32   | 0.60%             |  |  |  | No            |                  1 | On Loan: No      |
| Insight Enterprises Inc                 | Insight Enterprises Inc                 | CUSIP: 45765U103<br>LEI: 529900S8991TYW6YP792 | Long             | EC               | CORP              | US        |     36238 | NS      | $5003924.23   | 0.71%             |  |  |  | No            |                  1 | On Loan: No      |
| Credo Technology Group Holding Ltd      | Credo Technology Group Holding Ltd      | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | KY        |    104030 | NS      | $9632137.70   | 1.38%             |  |  |  | No            |                  1 | On Loan: No      |
| ITT Inc                                 | ITT Inc                                 | CUSIP: 45073V108<br>LEI: 549300KDSERHTJOXUS80 | Long             | EC               | CORP              | US        |     22236 | NS      | $3487271.88   | 0.50%             |  |  |  | No            |                  1 | On Loan: No      |
| TG Therapeutics Inc                     | TG Therapeutics Inc                     | CUSIP: 88322Q108<br>LEI: 529900X21UKABN9NJ529 | Long             | EC               | CORP              | US        |    134165 | NS      | $4828598.35   | 0.69%             |  |  |  | No            |                  1 | On Loan: No      |
| CCC Intelligent Solutions Holdings Inc  | CCC Intelligent Solutions Holdings Inc  | CUSIP: 12510Q100<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    598696 | NS      | $5633729.36   | 0.80%             |  |  |  | No            |                  1 | On Loan: No      |
| Apogee Therapeutics Inc                 | Apogee Therapeutics Inc                 | CUSIP: 03770N101<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     43622 | NS      | $1894503.46   | 0.27%             |  |  |  | No            |                  1 | On Loan: No      |
| Napco Security Technologies Inc         | Napco Security Technologies Inc         | CUSIP: 630402105<br>LEI: 529900KV21J4YY9YST76 | Long             | EC               | CORP              | US        |    143640 | NS      | $4264671.60   | 0.61%             |  |  |  | No            |                  1 | On Loan: No      |
| Hillman Solutions Corp                  | Hillman Solutions Corp                  | CUSIP: 431636109<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    623300 | NS      | $4450362.00   | 0.64%             |  |  |  | No            |                  1 | On Loan: No      |
| iShares Russell 2000 Growth ETF         | iShares Russell 2000 Growth ETF         | CUSIP: 464287648<br>LEI: 549300CPJOUVKWJGSH44 | Long             | EC               | RF                | US        |     43093 | NS      | $12318564.98  | 1.76%             |  |  |  | No            |                  1 | On Loan: No      |
| ACV Auctions Inc                        | ACV Auctions Inc                        | CUSIP: 00091G104<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    181416 | NS      | $2942567.52   | 0.42%             |  |  |  | No            |                  1 | On Loan: No      |
| Option Care Health Inc                  | Option Care Health Inc                  | CUSIP: 68404L201<br>LEI: 549300DI3Q5ACSYJRI17 | Long             | EC               | CORP              | US        |    135148 | NS      | $4389607.04   | 0.63%             |  |  |  | No            |                  1 | On Loan: No      |
| Mr Cooper Group Inc                     | Mr Cooper Group Inc                     | CUSIP: 62482R107<br>LEI: 549300KD8C6DPXYC2M26 | Long             | EC               | CORP              | US        |     45329 | NS      | $6763540.09   | 0.97%             |  |  |  | No            |                  1 | On Loan: No      |
| MKS Inc                                 | MKS Inc                                 | CUSIP: 55306N104<br>LEI: 549300KEQATBHAGVF505 | Long             | EC               | CORP              | US        |     50765 | NS      | $5044010.40   | 0.72%             |  |  |  | No            |                  1 | On Loan: No      |
| Super Group SGHC Ltd                    | Super Group SGHC Ltd                    | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | GG        |    349063 | NS      | $3829221.11   | 0.55%             |  |  |  | No            |                  1 | On Loan: No      |
| ACI Worldwide Inc                       | ACI Worldwide Inc                       | CUSIP: 004498101<br>LEI: 5493003BPVMZUJ6F5C02 | Long             | EC               | CORP              | US        |    176997 | NS      | $8125932.27   | 1.16%             |  |  |  | No            |                  1 | On Loan: No      |
| Ultragenyx Pharmaceutical Inc           | Ultragenyx Pharmaceutical Inc           | CUSIP: 90400D108<br>LEI: 529900EV44GVDN1DCX77 | Long             | EC               | CORP              | US        |     40029 | NS      | $1455454.44   | 0.21%             |  |  |  | No            |                  1 | On Loan: No      |
| AvePoint Inc                            | AvePoint Inc                            | CUSIP: 053604104<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    284386 | NS      | $5491493.66   | 0.78%             |  |  |  | No            |                  1 | On Loan: No      |
| Acadia Healthcare Co Inc                | Acadia Healthcare Co Inc                | CUSIP: 00404A109<br>LEI: 5493005CW985Y9D0NC11 | Long             | EC               | CORP              | US        |    116886 | NS      | $2652143.34   | 0.38%             |  |  |  | No            |                  1 | On Loan: No      |
| Clearwater Analytics Holdings Inc       | Clearwater Analytics Holdings Inc       | CUSIP: 185123106<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    331106 | NS      | $7261154.58   | 1.04%             |  |  |  | No            |                  1 | On Loan: No      |
| Vericel Corp                            | Vericel Corp                            | CUSIP: 92346J108<br>LEI: 54930076YM3PLTDR4B91 | Long             | EC               | CORP              | US        |     75898 | NS      | $3229459.90   | 0.46%             |  |  |  | No            |                  1 | On Loan: No      |
| RadNet Inc                              | RadNet Inc                              | CUSIP: 750491102<br>LEI: 529900RECG94V2IZJ970 | Long             | EC               | CORP              | US        |     95273 | NS      | $5421986.43   | 0.77%             |  |  |  | No            |                  1 | On Loan: No      |
| Moog Inc                                | Moog Inc                                | CUSIP: 615394202<br>LEI: 549300WM2I4U7OBAHG07 | Long             | EC               | CORP              | US        |     43909 | NS      | $7946211.73   | 1.14%             |  |  |  | No            |                  1 | On Loan: No      |
| Casella Waste Systems Inc               | Casella Waste Systems Inc               | CUSIP: 147448104<br>LEI: 8EU0XUFVJ48U37IIDH51 | Long             | EC               | CORP              | US        |     55803 | NS      | $6438550.14   | 0.92%             |  |  |  | No            |                  1 | On Loan: No      |
| CBIZ Inc                                | CBIZ Inc                                | CUSIP: 124805102<br>LEI: 529900D5X8CFM8O1N813 | Long             | EC               | CORP              | US        |     97980 | NS      | $7026145.80   | 1.00%             |  |  |  | No            |                  1 | On Loan: No      |
| NEXTracker Inc                          | NEXTracker Inc                          | CUSIP: 65290E101<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    101382 | NS      | $5512139.34   | 0.79%             |  |  |  | No            |                  1 | On Loan: No      |
| Kodiak Gas Services Inc                 | Kodiak Gas Services Inc                 | CUSIP: 50012A108<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     69757 | NS      | $2390572.39   | 0.34%             |  |  |  | No            |                  1 | On Loan: No      |
| HealthEquity Inc                        | HealthEquity Inc                        | CUSIP: 42226A107<br>LEI: 529900LRJU1RAFQHM467 | Long             | EC               | CORP              | US        |     91795 | NS      | $9616444.20   | 1.37%             |  |  |  | No            |                  1 | On Loan: No      |
| Crinetics Pharmaceuticals Inc           | Crinetics Pharmaceuticals Inc           | CUSIP: 22663K107<br>LEI: 549300Q1CNFXK5P31D28 | Long             | EC               | CORP              | US        |    102786 | NS      | $2956125.36   | 0.42%             |  |  |  | No            |                  1 | On Loan: No      |
| Chesapeake Utilities Corp               | Chesapeake Utilities Corp               | CUSIP: 165303108<br>LEI: 254900WW0FDCKAOCKE74 | Long             | EC               | CORP              | US        |     41332 | NS      | $4968933.04   | 0.71%             |  |  |  | No            |                  1 | On Loan: No      |
| Unity Software Inc                      | Unity Software Inc                      | CUSIP: 91332U101<br>LEI: 549300D1ESJMGNQNG432 | Long             | EC               | CORP              | US        |    121441 | NS      | $2938872.20   | 0.42%             |  |  |  | No            |                  1 | On Loan: No      |
| White Mountains Insurance Group Ltd     | White Mountains Insurance Group Ltd     | CUSIP: 000000000<br>LEI: 549300N3FL068JERBG02 | Long             | EC               | CORP              | BM        |      2776 | NS      | $4984918.72   | 0.71%             |  |  |  | No            |                  1 | On Loan: No      |
| CACI International Inc                  | CACI International Inc                  | CUSIP: 127190304<br>LEI: SYRPI2D1O9WRTS2WX210 | Long             | EC               | CORP              | US        |     10841 | NS      | $5167904.70   | 0.74%             |  |  |  | No            |                  1 | On Loan: No      |
| Matador Resources Co                    | Matador Resources Co                    | CUSIP: 576485205<br>LEI: 549300CI3Q2UUK5R4G79 | Long             | EC               | CORP              | US        |     88235 | NS      | $4210574.20   | 0.60%             |  |  |  | No            |                  1 | On Loan: No      |
| Commercial Metals Co                    | Commercial Metals Co                    | CUSIP: 201723103<br>LEI: 549300OQS2LO07ZJ7N73 | Long             | EC               | CORP              | US        |     62071 | NS      | $3035892.61   | 0.43%             |  |  |  | No            |                  1 | On Loan: No      |
| Jamf Holding Corp                       | Jamf Holding Corp                       | CUSIP: 47074L105<br>LEI: 254900IHLXZU4Z5ANA12 | Long             | EC               | CORP              | US        |    291102 | NS      | $2768380.02   | 0.40%             |  |  |  | No            |                  1 | On Loan: No      |
| CG oncology Inc                         | CG oncology Inc                         | CUSIP: 156944100<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     83638 | NS      | $2174588.00   | 0.31%             |  |  |  | No            |                  1 | On Loan: No      |
| Lantheus Holdings Inc                   | Lantheus Holdings Inc                   | CUSIP: 516544103<br>LEI: 5299005HUB5IOJGO7S39 | Long             | EC               | CORP              | US        |     71859 | NS      | $5882377.74   | 0.84%             |  |  |  | No            |                  1 | On Loan: No      |
| Cytokinetics Inc                        | Cytokinetics Inc                        | CUSIP: 23282W605<br>LEI: 549300BE5DY1HW7IHA64 | Long             | EC               | CORP              | US        |     54520 | NS      | $1801340.80   | 0.26%             |  |  |  | No            |                  1 | On Loan: No      |
| Zeta Global Holdings Corp               | Zeta Global Holdings Corp               | CUSIP: 98956A105<br>LEI: 2549008P9XSJQHGQ9S27 | Long             | EC               | CORP              | US        |    188490 | NS      | $2919710.10   | 0.42%             |  |  |  | No            |                  1 | On Loan: No      |
| Glaukos Corp                            | Glaukos Corp                            | CUSIP: 377322102<br>LEI: 5299004JA1LHE21M6T14 | Long             | EC               | CORP              | US        |     50857 | NS      | $5253019.53   | 0.75%             |  |  |  | No            |                  1 | On Loan: No      |
| Commvault Systems Inc                   | Commvault Systems Inc                   | CUSIP: 204166102<br>LEI: 65T5VRP62VXG39YFML83 | Long             | EC               | CORP              | US        |     40461 | NS      | $7053566.13   | 1.01%             |  |  |  | No            |                  1 | On Loan: No      |
| Clean Harbors Inc                       | Clean Harbors Inc                       | CUSIP: 184496107<br>LEI: 5493000SJVZVZJKHJF48 | Long             | EC               | CORP              | US        |     29008 | NS      | $6706069.44   | 0.96%             |  |  |  | No            |                  1 | On Loan: No      |
| Installed Building Products Inc         | Installed Building Products Inc         | CUSIP: 45780R101<br>LEI: 549300I95Y9P9YM5FI86 | Long             | EC               | CORP              | US        |     26374 | NS      | $4755759.68   | 0.68%             |  |  |  | No            |                  1 | On Loan: No      |
| FTAI Aviation Ltd                       | FTAI Aviation Ltd                       | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | KY        |     65440 | NS      | $7528217.60   | 1.08%             |  |  |  | No            |                  1 | On Loan: No      |
| Soleno Therapeutics Inc                 | Soleno Therapeutics Inc                 | CUSIP: 834203309<br>LEI: 5493003LCY77N7FXK844 | Long             | EC               | CORP              | US        |     45611 | NS      | $3821289.58   | 0.55%             |  |  |  | No            |                  1 | On Loan: No      |
| Freshpet Inc                            | Freshpet Inc                            | CUSIP: 358039105<br>LEI: 549300S4ZK8ZQ6HNPN59 | Long             | EC               | CORP              | US        |     47298 | NS      | $3214372.08   | 0.46%             |  |  |  | No            |                  1 | On Loan: No      |
| Wyndham Hotels & Resorts Inc            | Wyndham Hotels & Resorts Inc            | CUSIP: 98311A105<br>LEI: 549300FE3MQ4RVXXC673 | Long             | EC               | CORP              | US        |     36673 | NS      | $2978214.33   | 0.43%             |  |  |  | No            |                  1 | On Loan: No      |
| Amicus Therapeutics Inc                 | Amicus Therapeutics Inc                 | CUSIP: 03152W109<br>LEI: 549300MRD1SMUTNBPQ53 | Long             | EC               | CORP              | US        |    327828 | NS      | $1878454.44   | 0.27%             |  |  |  | No            |                  1 | On Loan: No      |
| Chart Industries Inc                    | Chart Industries Inc                    | CUSIP: 16115Q308<br>LEI: EM7QGKC1GYOF3LSZSL80 | Long             | EC               | CORP              | US        |     44664 | NS      | $7353927.60   | 1.05%             |  |  |  | No            |                  1 | On Loan: No      |
| StepStone Group Inc                     | StepStone Group Inc                     | CUSIP: 85914M107<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     74271 | NS      | $4122040.50   | 0.59%             |  |  |  | No            |                  1 | On Loan: No      |
| Scholar Rock Holding Corp               | Scholar Rock Holding Corp               | CUSIP: 80706P103<br>LEI: 549300Z1FLPGL4OWJ459 | Long             | EC               | CORP              | US        |     84366 | NS      | $2988243.72   | 0.43%             |  |  |  | No            |                  1 | On Loan: No      |
| PTC Therapeutics Inc                    | PTC Therapeutics Inc                    | CUSIP: 69366J200<br>LEI: 549300UJLWOIWFDGB318 | Long             | EC               | CORP              | US        |     93758 | NS      | $4579140.72   | 0.65%             |  |  |  | No            |                  1 | On Loan: No      |
| CareTrust REIT Inc                      | CareTrust REIT Inc                      | CUSIP: 14174T107<br>LEI: 5493001NVXE2B9GPLU96 | Long             | EC               |  | US        |    186948 | NS      | $5720608.80   | 0.82%             |  |  |  | No            |                  1 | On Loan: No      |
| Innodata Inc                            | Innodata Inc                            | CUSIP: 457642205<br>LEI: L9O7MPYIT56T6KBE0R95 | Long             | EC               | CORP              | US        |     81202 | NS      | $4159166.44   | 0.59%             |  |  |  | No            |                  1 | On Loan: No      |
| Boise Cascade Co                        | Boise Cascade Co                        | CUSIP: 09739D100<br>LEI: 549300Z8B8LSRHC7XA55 | Long             | EC               | CORP              | US        |     34852 | NS      | $3025850.64   | 0.43%             |  |  |  | No            |                  1 | On Loan: No      |
| PAR Technology Corp                     | PAR Technology Corp                     | CUSIP: 698884103<br>LEI: 549300HYPTHBJQINVG57 | Long             | EC               | CORP              | US        |     47306 | NS      | $3281617.22   | 0.47%             |  |  |  | No            |                  1 | On Loan: No      |
| BellRing Brands Inc                     | BellRing Brands Inc                     | CUSIP: 07831C103<br>LEI: 549300S3BOK5CMTS8054 | Long             | EC               | CORP              | US        |     73366 | NS      | $4250092.38   | 0.61%             |  |  |  | No            |                  1 | On Loan: No      |
| SPS Commerce Inc                        | SPS Commerce Inc                        | CUSIP: 78463M107<br>LEI: 2549006XVF9GCCETDQ72 | Long             | EC               | CORP              | US        |     47804 | NS      | $6505646.36   | 0.93%             |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2025-07-15

**Name of Applicant:** NORTHWESTERN MUTUAL SERIES FUND INC

**Signature:** Linda Wisniewski

**Name of Signer:** Linda Wisniewski

**Title:** Controller and Chief Accounting Officer