# EDGAR Filing Document

**Accession Number:** 0000742212
**File Stem:** 0001752724-23-042300
**Filing Date:** 2023-2
**Character Count:** 13426
**Document Hash:** af788a84a42210615bedaa41aef70946
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001752724-23-042300.hdr.sgml**: 20230227

**ACCESSION NUMBER**: 0001752724-23-042300

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20221231

**FILED AS OF DATE**: 20230227

**DATE AS OF CHANGE**: 20230227

**PERIOD START**: 20221231

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** NORTHWESTERN MUTUAL SERIES FUND INC
- **CENTRAL INDEX KEY:** 0000742212
- **IRS NUMBER:** 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:** 23672553

**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 Cap Blend Portfolio (Series ID: S000018229)

| Class ID   | Class Name                | Ticker Symbol   |
|:---|:---|:---|
| C000050277 | Large Cap Blend 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 Cap Blend Portfolio

- **b. EDGAR series identifier (if any):** S000018229

- **c. LEI of Series:** 549300J8IDGQV6XROU84

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

- **a. Date of fiscal year-end:** 2022-12-31

- **b. Date as of which information is reported:** 2022-12-31

**Item A.4. Final filing**

Does the Fund anticipate that this will be its final filing on Form N-PORT? **No**

### Fund Information

**Total Assets:** $196059395.41

**Total Liabilities:** $140663.93

**Net Assets:** $195918731.48

**Cash Not Reported:** $8675185.35

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000050277 | 7.77%                | 7.60%                | -3.40%               |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $-3395617.89             | $17777611.09                               |
| Month 2  | $3971866.69              | $10940297.66                               |
| Month 3  | $2273292.90              | $-9812993.14                               |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| BlackRock Inc                       | BlackRock Inc                       | CUSIP: 09247X101<br>LEI: 549300LRIF3NWCU26A80 | Long             | EC               | CORP              | US        |      6113 | NS      | $4331855.19   | 2.21%             |  |  |  | No            |                  1 | On Loan: No      |
| Dollar General Corp                 | Dollar General Corp                 | CUSIP: 256677105<br>LEI: OPX52SQVOZI8IVSWYU66 | Long             | EC               | CORP              | US        |     37991 | NS      | $9355283.75   | 4.78%             |  |  |  | No            |                  1 | On Loan: No      |
| Progressive Corp/The                | Progressive Corp/The                | CUSIP: 743315103<br>LEI: 529900TACNVLY9DCR586 | Long             | EC               | CORP              | US        |     30202 | NS      | $3917501.42   | 2.00%             |  |  |  | No            |                  1 | On Loan: No      |
| UnitedHealth Group Inc              | UnitedHealth Group Inc              | CUSIP: 91324P102<br>LEI: 549300GHBMY8T5GXDE41 | Long             | EC               | CORP              | US        |     14882 | NS      | $7890138.76   | 4.03%             |  |  |  | No            |                  1 | On Loan: No      |
| Northern Trust Corp                 | Northern Trust Corp                 | CUSIP: 665859104<br>LEI: 549300GLF98S992BC502 | Long             | EC               | CORP              | US        |     65738 | NS      | $5817155.62   | 2.97%             |  |  |  | No            |                  1 | On Loan: No      |
| Schlumberger Ltd                    | Schlumberger Ltd                    | CUSIP: 000000000<br>LEI: 213800ZUA17OK3QLGM62 | Long             | EC               | CORP              | CW        |     75179 | NS      | $4019069.34   | 2.05%             |  |  |  | No            |                  1 | On Loan: No      |
| Ferguson PLC                        | Ferguson PLC                        | CUSIP: 000000000<br>LEI: 213800DU1LGY3R2S2X42 | Long             | EC               | CORP              | JE        |     65413 | NS      | $8305488.61   | 4.24%             |  |  |  | No            |                  1 | On Loan: No      |
| Masco Corp                          | Masco Corp                          | CUSIP: 574599106<br>LEI: 5GCSNMQXHEYA1JO8QN11 | Long             | EC               | CORP              | US        |    145008 | NS      | $6767523.36   | 3.45%             |  |  |  | No            |                  1 | On Loan: No      |
| Arch Capital Group Ltd              | Arch Capital Group Ltd              | CUSIP: 000000000<br>LEI: 549300AYR4P8AFKDCE43 | Long             | EC               | CORP              | BM        |     78625 | NS      | $4936077.50   | 2.52%             |  |  |  | No            |                  1 | On Loan: No      |
| Micron Technology Inc               | Micron Technology Inc               | CUSIP: 595112103<br>LEI: B3DXGBC8GAIYWI2Z0172 | Long             | EC               | CORP              | US        |    109840 | NS      | $5489803.20   | 2.80%             |  |  |  | No            |                  1 | On Loan: No      |
| Omnicom Group Inc                   | Omnicom Group Inc                   | CUSIP: 681919106<br>LEI: HKUPACFHSSASQK8HLS17 | Long             | EC               | CORP              | US        |     75518 | NS      | $6160003.26   | 3.14%             |  |  |  | No            |                  1 | On Loan: No      |
| Unilever PLC                        | Unilever PLC                        | CUSIP: 904767704<br>LEI: 549300MKFYEKVRWML317 | Long             | EC               | CORP              | GB        |    143464 | NS      | $7223412.40   | 3.69%             |  |  |  | No            |                  1 | On Loan: No      |
| Alphabet Inc                        | Alphabet Inc                        | CUSIP: 02079K305<br>LEI: 5493006MHB84DD0ZWV18 | Long             | EC               | CORP              | US        |     85742 | NS      | $7565016.66   | 3.86%             |  |  |  | No            |                  1 | On Loan: No      |
| CDW Corp/DE                         | CDW Corp/DE                         | CUSIP: 12514G108<br>LEI: 9845001B052ABF0B6755 | Long             | EC               | CORP              | US        |     41002 | NS      | $7322137.16   | 3.74%             |  |  |  | No            |                  1 | On Loan: No      |
| Dollar Tree Inc                     | Dollar Tree Inc                     | CUSIP: 256746108<br>LEI: 549300PMSTQITB1WHR43 | Long             | EC               | CORP              | US        |     47570 | NS      | $6728300.80   | 3.43%             |  |  |  | No            |                  1 | On Loan: No      |
| Smith & Nephew PLC                  | Smith & Nephew PLC                  | CUSIP: 83175M205<br>LEI: 213800ZTMDN8S67S1H61 | Long             | EC               | CORP              | GB        |    178319 | NS      | $4794997.91   | 2.45%             |  |  |  | No            |                  1 | On Loan: No      |
| PACCAR Inc                          | PACCAR Inc                          | CUSIP: 693718108<br>LEI: KDTEY8BWE486IKZ3CC07 | Long             | EC               | CORP              | US        |     57108 | NS      | $5651978.76   | 2.88%             |  |  |  | No            |                  1 | On Loan: No      |
| Carlisle Cos Inc                    | Carlisle Cos Inc                    | CUSIP: 142339100<br>LEI: XR64VGX1ZPX6G7ZN7Z11 | Long             | EC               | CORP              | US        |     21530 | NS      | $5073544.50   | 2.59%             |  |  |  | No            |                  1 | On Loan: No      |
| TJX Cos Inc/The                     | TJX Cos Inc/The                     | CUSIP: 872540109<br>LEI: V167QI9I69W364E2DY52 | Long             | EC               | CORP              | US        |     42189 | NS      | $3358244.40   | 1.71%             |  |  |  | No            |                  1 | On Loan: No      |
| Berkshire Hathaway Inc              | Berkshire Hathaway Inc              | CUSIP: 084670702<br>LEI: 5493000C01ZX7D35SD85 | Long             | EC               | CORP              | US        |     36725 | NS      | $11344352.50  | 5.79%             |  |  |  | No            |                  1 | On Loan: No      |
| Fresenius Medical Care AG & Co KGaA | Fresenius Medical Care AG & Co KGaA | CUSIP: 358029106<br>LEI: 549300CP8NY40UP89Q40 | Long             | EC               | CORP              | DE        |    155359 | NS      | $2538566.06   | 1.30%             |  |  |  | No            |                  1 | On Loan: No      |
| Charles Schwab Corp/The             | Charles Schwab Corp/The             | CUSIP: 808513105<br>LEI: 549300VSGCJ7E698NM85 | Long             | EC               | CORP              | US        |    127779 | NS      | $10638879.54  | 5.43%             |  |  |  | No            |                  1 | On Loan: No      |
| CarMax Inc                          | CarMax Inc                          | CUSIP: 143130102<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     90806 | NS      | $5529177.34   | 2.82%             |  |  |  | No            |                  1 | On Loan: No      |
| Avery Dennison Corp                 | Avery Dennison Corp                 | CUSIP: 053611109<br>LEI: 549300PW7VPFCYKLIV37 | Long             | EC               | CORP              | US        |     34939 | NS      | $6323959.00   | 3.23%             |  |  |  | No            |                  1 | On Loan: No      |
| SAP SE                              | SAP SE                              | CUSIP: 803054204<br>LEI: 529900D6BF99LW9R2E68 | Long             | EC               | CORP              | DE        |     58960 | NS      | $6084082.40   | 3.11%             |  |  |  | No            |                  1 | On Loan: No      |
| Sony Group Corp                     | Sony Group Corp                     | CUSIP: 835699307<br>LEI: 529900R5WX9N2OI2N910 | Long             | EC               | CORP              | JP        |     99724 | NS      | $7606946.72   | 3.88%             |  |  |  | No            |                  1 | On Loan: No      |
| Booking Holdings Inc                | Booking Holdings Inc                | CUSIP: 09857L108<br>LEI: FXM8FAOHMYDIPD38UZ17 | Long             | EC               | CORP              | US        |      4331 | NS      | $8728177.68   | 4.45%             |  |  |  | No            |                  1 | On Loan: No      |
| JPMorgan Chase & Co                 | JPMorgan Chase & Co                 | CUSIP: 46625H100<br>LEI: 8I5DZWZKVSZI1NUHU748 | Long             | EC               | CORP              | US        |     35966 | NS      | $4823040.60   | 2.46%             |  |  |  | No            |                  1 | On Loan: No      |
| Eaton Corp PLC                      | Eaton Corp PLC                      | CUSIP: 000000000<br>LEI: 549300VDIGTMXUNT7H71 | Long             | EC               | CORP              | IE        |     31323 | NS      | $4916144.85   | 2.51%             |  |  |  | No            |                  1 | On Loan: No      |
| Koninklijke Philips NV              | Koninklijke Philips NV              | CUSIP: 500472303<br>LEI: H1FJE8H61JGM1JSGM897 | Long             | EC               | CORP              | NL        |    248126 | NS      | $3719408.74   | 1.90%             |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2023-01-25

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

**Signature:** Phillip Rinzel

**Name of Signer:** Phillip Rinzel

**Title:** Controller and Chief Accounting Officer