# EDGAR Filing Document

**Accession Number:** 0000742212
**File Stem:** 0001752724-25-192578
**Filing Date:** 2025-8
**Character Count:** 19714
**Document Hash:** 6337adeb24c3a6f6c1934f585d9557db
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001752724-25-192578.hdr.sgml**: 20250819

**ACCESSION NUMBER**: 0001752724-25-192578

**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:** 251231259

**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

### Large Company Value Portfolio (Series ID: S000018227)

| Class ID   | Class Name                    | Ticker Symbol   |
|:---|:---|:---|
| C000050275 | Large Company Value 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:** Large Company Value Portfolio

- **b. EDGAR series identifier (if any):** S000018227

- **c. LEI of Series:** 6UWSQM9V60QIAUKWH425

**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:** $157331962.02

**Total Liabilities:** $447560.17

**Net Assets:** $156884401.85

**Cash Not Reported:** $3248816.83

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000050275 | -3.90%               | 1.55%                | 2.24%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $-188680.86              | $-5983197.89                               |
| Month 2  | $-1557539.24             | $3642510.44                                |
| Month 3  | $1007172.27              | $2541425.56                                |

**Designated Index Information**

- **Index Name:** Russell 1000 Value Index

- **Index Identifier:** RLV

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Cisco Systems Inc                   | Cisco Systems Inc                | CUSIP: 17275R102<br>LEI: 549300LKFJ962MZ46593 | Long             | EC               | CORP              | US        |     45102 | NS      | $3129176.76   | 1.99%             |  |  |  | No            |                  1 | On Loan: No      |
| United Parcel Service Inc           | United Parcel Service Inc        | CUSIP: 911312106<br>LEI: D01LMJZU09ULLNCY6Z23 | Long             | EC               | CORP              | US        |     19598 | NS      | $1978222.12   | 1.26%             |  |  |  | No            |                  1 | On Loan: No      |
| Blackrock Inc                       | Blackrock Inc                    | CUSIP: 09290D101<br>LEI: 529900VBK42Y5HHRMD23 | Long             | EC               | CORP              | US        |      4469 | NS      | $4689098.25   | 2.99%             |  |  |  | No            |                  1 | On Loan: No      |
| Mondelez International Inc          | Mondelez International Inc       | CUSIP: 609207105<br>LEI: 549300DV9GIB88LZ5P30 | Long             | EC               | CORP              | US        |     46397 | NS      | $3129013.68   | 1.99%             |  |  |  | No            |                  1 | On Loan: No      |
| Johnson & Johnson                   | Johnson & Johnson                | CUSIP: 478160104<br>LEI: 549300G0CFPGEF6X2043 | Long             | EC               | CORP              | US        |     56292 | NS      | $8598603.00   | 5.48%             |  |  |  | No            |                  1 | On Loan: No      |
| Heineken Holding NV                 | Heineken Holding NV              | CUSIP: 000000000<br>LEI: 724500M1WJLFM9TYBS04 | Long             | EC               | CORP              | NL        |     28993 | NS      | $2162370.15   | 1.38%             |  |  |  | No            |                  2 | On Loan: No      |
| UnitedHealth Group Inc              | UnitedHealth Group Inc           | CUSIP: 91324P102<br>LEI: 549300GHBMY8T5GXDE41 | Long             | EC               | CORP              | US        |      5746 | NS      | $1792579.62   | 1.14%             |  |  |  | No            |                  1 | On Loan: No      |
| Reinsurance Group of America Inc    | Reinsurance Group of America Inc | CUSIP: 759351604<br>LEI: LORM1GNEU1DKEW527V90 | Long             | EC               | CORP              | US        |     22958 | NS      | $4553948.88   | 2.90%             |  |  |  | No            |                  1 | On Loan: No      |
| nVent Electric PLC                  | nVent Electric PLC               | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | IE        |     26682 | NS      | $1954456.50   | 1.25%             |  |  |  | No            |                  1 | On Loan: No      |
| Atmos Energy Corp                   | Atmos Energy Corp                | CUSIP: 049560105<br>LEI: QVLWEGTD2S8GJMO8D383 | Long             | EC               | CORP              | US        |     19304 | NS      | $2974939.44   | 1.90%             |  |  |  | No            |                  1 | On Loan: No      |
| Graphic Packaging Holding Co        | Graphic Packaging Holding Co     | CUSIP: 388689101<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    139078 | NS      | $2930373.46   | 1.87%             |  |  |  | No            |                  1 | On Loan: No      |
| Unilever PLC                        | Unilever PLC                     | CUSIP: 904767704<br>LEI: 549300MKFYEKVRWML317 | Long             | EC               | CORP              | GB        |     76978 | NS      | $4708744.26   | 3.00%             |  |  |  | No            |                  1 | On Loan: No      |
| Medtronic PLC                       | Medtronic PLC                    | CUSIP: 000000000<br>LEI: 549300GX3ZBSQWUXY261 | Long             | EC               | CORP              | IE        |     44204 | NS      | $3853262.68   | 2.46%             |  |  |  | No            |                  1 | On Loan: No      |
| Truist Financial Corp               | Truist Financial Corp            | CUSIP: 89832Q109<br>LEI: 549300DRQQI75D2JP341 | Long             | EC               | CORP              | US        |    145381 | NS      | $6249929.19   | 3.98%             |  |  |  | No            |                  1 | On Loan: No      |
| Reckitt Benckiser Group PLC         | Reckitt Benckiser Group PLC      | CUSIP: 000000000<br>LEI: 5493003JFSMOJG48V108 | Long             | EC               | CORP              | GB        |     26316 | NS      | $1790197.63   | 1.14%             |  |  |  | No            |                  2 | On Loan: No      |
| PepsiCo Inc                         | PepsiCo Inc                      | CUSIP: 713448108<br>LEI: FJSUNZKFNQ5YPJ5OT455 | Long             | EC               | CORP              | US        |     26236 | NS      | $3464201.44   | 2.21%             |  |  |  | No            |                  1 | On Loan: No      |
| Alphabet Inc                        | Alphabet Inc                     | CUSIP: 02079K305<br>LEI: 5493006MHB84DD0ZWV18 | Long             | EC               | CORP              | US        |     13625 | NS      | $2401133.75   | 1.53%             |  |  |  | No            |                  1 | On Loan: No      |
| Estee Lauder Cos Inc/The            | Estee Lauder Cos Inc/The         | CUSIP: 518439104<br>LEI: 549300VFZ8XJ9NUPU221 | Long             | EC               | CORP              | US        |     28036 | NS      | $2265308.80   | 1.44%             |  |  |  | No            |                  1 | On Loan: No      |
| Roche Holding AG                    | Roche Holding AG                 | CUSIP: 000000000<br>LEI: 549300U41AUUVOAAOB37 | Long             | EC               | CORP              | CH        |      6200 | NS      | $2026844.73   | 1.29%             |  |  |  | No            |                  2 | On Loan: No      |
| Zimmer Biomet Holdings Inc          | Zimmer Biomet Holdings Inc       | CUSIP: 98956P102<br>LEI: 2P2YLDVPES3BXQ1FRB91 | Long             | EC               | CORP              | US        |     39934 | NS      | $3642380.14   | 2.32%             |  |  |  | No            |                  1 | On Loan: No      |
| Cummins Inc                         | Cummins Inc                      | CUSIP: 231021106<br>LEI: ZUNI8PYC725B6H8JU438 | Long             | EC               | CORP              | US        |      6079 | NS      | $1990872.50   | 1.27%             |  |  |  | No            |                  1 | On Loan: No      |
| Norfolk Southern Corp               | Norfolk Southern Corp            | CUSIP: 655844108<br>LEI: 54930036C8MWP850MI84 | Long             | EC               | CORP              | US        |     20321 | NS      | $5201566.37   | 3.32%             |  |  |  | No            |                  1 | On Loan: No      |
| Becton Dickinson & Co               | Becton Dickinson & Co            | CUSIP: 075887109<br>LEI: ICE2EP6D98PQUILVRZ91 | Long             | EC               | CORP              | US        |     28346 | NS      | $4882598.50   | 3.11%             |  |  |  | No            |                  1 | On Loan: No      |
| American Tower Corp                 | American Tower Corp              | CUSIP: 03027X100<br>LEI: 5493006ORUSIL88JOE18 | Long             | EC               |  | US        |     12441 | NS      | $2749709.82   | 1.75%             |  |  |  | No            |                  1 | On Loan: No      |
| Packaging Corp of America           | Packaging Corp of America        | CUSIP: 695156109<br>LEI: 549300XZP8MFZFY8TJ84 | Long             | EC               | CORP              | US        |     12484 | NS      | $2352609.80   | 1.50%             |  |  |  | No            |                  1 | On Loan: No      |
| IQVIA Holdings Inc                  | IQVIA Holdings Inc               | CUSIP: 46266C105<br>LEI: 549300W3R20NM4KQPH86 | Long             | EC               | CORP              | US        |     22238 | NS      | $3504486.42   | 2.23%             |  |  |  | No            |                  1 | On Loan: No      |
| Marsh & McLennan Cos Inc            | Marsh & McLennan Cos Inc         | CUSIP: 571748102<br>LEI: 549300XMP3KDCKJXIU47 | Long             | EC               | CORP              | US        |     11129 | NS      | $2433244.56   | 1.55%             |  |  |  | No            |                  1 | On Loan: No      |
| Exxon Mobil Corp                    | Exxon Mobil Corp                 | CUSIP: 30231G102<br>LEI: J3WHBG0MTS7O8ZVMDC91 | Long             | EC               | CORP              | US        |     37604 | NS      | $4053711.20   | 2.58%             |  |  |  | No            |                  1 | On Loan: No      |
| Bank of America NA                  | PURCHASED USD / SOLD CHF         | CUSIP: 000000000<br>LEI: B4TYDEB6GKMZO031MB27 | N/A              | DFE              |  | US        |         1 | NC      | $-49628.97    | -0.03%            |  |  |  | No            |                  2 | On Loan: No      |
| Berkshire Hathaway Inc              | Berkshire Hathaway Inc           | CUSIP: 084670702<br>LEI: 5493000C01ZX7D35SD85 | Long             | EC               | CORP              | US        |      5188 | NS      | $2520174.76   | 1.61%             |  |  |  | No            |                  1 | On Loan: No      |
| Bank of America NA                  | PURCHASED USD / SOLD GBP         | CUSIP: 000000000<br>LEI: B4TYDEB6GKMZO031MB27 | N/A              | DFE              |  | US        |         1 | NC      | $-135532.91   | -0.09%            |  |  |  | No            |                  2 | On Loan: No      |
| Kenvue Inc                          | Kenvue Inc                       | CUSIP: 49177J102<br>LEI: 5493008HSF8L4M2LIJ82 | Long             | EC               | CORP              | US        |    268680 | NS      | $5623472.40   | 3.58%             |  |  |  | No            |                  1 | On Loan: No      |
| Analog Devices Inc                  | Analog Devices Inc               | CUSIP: 032654105<br>LEI: GYVOE5EZ4GDAVTU4CQ61 | Long             | EC               | CORP              | US        |     18010 | NS      | $4286740.20   | 2.73%             |  |  |  | No            |                  1 | On Loan: No      |
| Charles Schwab Corp/The             | Charles Schwab Corp/The          | CUSIP: 808513105<br>LEI: 549300VSGCJ7E698NM85 | Long             | EC               | CORP              | US        |     42982 | NS      | $3921677.68   | 2.50%             |  |  |  | No            |                  1 | On Loan: No      |
| F5 Inc                              | F5 Inc                           | CUSIP: 315616102<br>LEI: 54930015FPK9KT966303 | Long             | EC               | CORP              | US        |      6684 | NS      | $1967234.88   | 1.25%             |  |  |  | No            |                  1 | On Loan: No      |
| Duke Energy Corp                    | Duke Energy Corp                 | CUSIP: 26441C204<br>LEI: I1BZKREC126H0VB1BL91 | Long             | EC               | CORP              | US        |     46802 | NS      | $5522636.00   | 3.52%             |  |  |  | No            |                  1 | On Loan: No      |
| Verizon Communications Inc          | Verizon Communications Inc       | CUSIP: 92343V104<br>LEI: 2S72QS2UO2OESLG6Y829 | Long             | EC               | CORP              | US        |     61242 | NS      | $2649941.34   | 1.69%             |  |  |  | No            |                  1 | On Loan: No      |
| RTX Corp                            | RTX Corp                         | CUSIP: 75513E101<br>LEI: I07WOS4YJ0N7YRFE7309 | Long             | EC               | CORP              | US        |     15858 | NS      | $2315585.16   | 1.48%             |  |  |  | No            |                  1 | On Loan: No      |
| Morgan Stanley Capital Services LLC | PURCHASED USD / SOLD EUR         | CUSIP: 000000000<br>LEI: I7331LVCZKQKX5T7XV54 | N/A              | DFE              |  | US        |         1 | NC      | $-140847.09   | -0.09%            |  |  |  | No            |                  2 | On Loan: No      |
| Allstate Corp/The                   | Allstate Corp/The                | CUSIP: 020002101<br>LEI: OBT0W1ED8G0NWVOLOJ77 | Long             | EC               | CORP              | US        |      7494 | NS      | $1508617.14   | 0.96%             |  |  |  | No            |                  1 | On Loan: No      |
| Goldman Sachs International         | PURCHASED GBP / SOLD USD         | CUSIP: 000000000<br>LEI: W22LROWP2IHZNBB6K528 | N/A              | DFE              |  | GB        |         1 | NC      | $94.11        | 0.00%             |  |  |  | No            |                  2 | On Loan: No      |
| TE Connectivity PLC                 | TE Connectivity PLC              | CUSIP: 000000000<br>LEI: 6367003TB6K484NFHE54 | Long             | EC               | CORP              | IE        |     18421 | NS      | $3107070.07   | 1.98%             |  |  |  | No            |                  1 | On Loan: No      |
| Bank of New York Mellon Corp/The    | Bank of New York Mellon Corp/The | CUSIP: 064058100<br>LEI: WFLLPEPC7FZXENRZV188 | Long             | EC               | CORP              | US        |     25501 | NS      | $2323396.11   | 1.48%             |  |  |  | No            |                  1 | On Loan: No      |
| Siemens AG                          | Siemens AG                       | CUSIP: 000000000<br>LEI: W38RGI023J3WT1HWRP32 | Long             | EC               | CORP              | DE        |      9670 | NS      | $2480116.22   | 1.58%             |  |  |  | No            |                  2 | On Loan: No      |
| TotalEnergies SE                    | TotalEnergies SE                 | CUSIP: 89151E109<br>LEI: 529900S21EQ1BO4ESM68 | Long             | EC               | CORP              | FR        |     29305 | NS      | $1799033.95   | 1.15%             |  |  |  | No            |                  1 | On Loan: No      |
| Enterprise Products Partners LP     | Enterprise Products Partners LP  | CUSIP: 293792107<br>LEI: K4CDIF4M54DJZ6TB4Q48 | Long             | EC               | CORP              | US        |    163787 | NS      | $5079034.87   | 3.24%             |  |  |  | No            |                  1 | On Loan: No      |
| CRH PLC                             | CRH PLC                          | CUSIP: 000000000<br>LEI: 549300MIDJNNTH068E74 | Long             | EC               | CORP              | IE        |     26434 | NS      | $2426641.20   | 1.55%             |  |  |  | No            |                  1 | On Loan: No      |
| Oshkosh Corp                        | Oshkosh Corp                     | CUSIP: 688239201<br>LEI: 549300FEKNPCFSA2B506 | Long             | EC               | CORP              | US        |     16130 | NS      | $1831400.20   | 1.17%             |  |  |  | No            |                  1 | On Loan: No      |
| Henry Schein Inc                    | Henry Schein Inc                 | CUSIP: 806407102<br>LEI: VGO3WGL8H45T73F4RR92 | Long             | EC               | CORP              | US        |     42562 | NS      | $3109154.10   | 1.98%             |  |  |  | No            |                  1 | On Loan: No      |
| JPMorgan Chase & Co                 | JPMorgan Chase & Co              | CUSIP: 46625H100<br>LEI: 8I5DZWZKVSZI1NUHU748 | Long             | EC               | CORP              | US        |     20470 | NS      | $5934457.70   | 3.78%             |  |  |  | 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