# EDGAR Filing Document

**Accession Number:** 0000742212
**File Stem:** 0001752724-23-042309
**Filing Date:** 2023-2
**Character Count:** 52822
**Document Hash:** 6c965ee10e5e056c5ac98bed9d295d02
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001752724-23-042309.hdr.sgml**: 20230227

**ACCESSION NUMBER**: 0001752724-23-042309

**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:** 23672564

**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 Core Stock Portfolio (Series ID: S000000040)

| Class ID   | Class Name                     | Ticker Symbol   |
|:---|:---|:---|
| C000000075 | Large Cap Core 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:** Large Cap Core Stock Portfolio

- **b. EDGAR series identifier (if any):** S000000040

- **c. LEI of Series:** VR6JA5TLPSU3FJG4YL55

**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:** $566739898.06

**Total Liabilities:** $237415.32

**Net Assets:** $566502482.74

**Cash Not Reported:** $3921377.46

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000000075 | 7.23%                | 5.84%                | -5.26%               |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $-9289363.84             | $47759051.35                               |
| Month 2  | $-2864323.69             | $34968873.26                               |
| Month 3  | $3207556.07              | $-35506342.11                              |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Honeywell International Inc              | Honeywell International Inc              | CUSIP: 438516106<br>LEI: ISRPG12PN4EIEOEMW547 | Long             | EC               | CORP              | US        |     17992 | NS      | $3855685.60   | 0.68%             |  |  |  | No            |                  1 | On Loan: No      |
| FMC Corp                                 | FMC Corp                                 | CUSIP: 302491303<br>LEI: CKDHZ2X64EEBQCSP7013 | Long             | EC               | CORP              | US        |     31095 | NS      | $3880656.00   | 0.69%             |  |  |  | No            |                  1 | On Loan: No      |
| Equitable Holdings Inc                   | Equitable Holdings Inc                   | CUSIP: 29452E101<br>LEI: 549300FIBAKMNHPZ4009 | Long             | EC               | CORP              | US        |     64058 | NS      | $1838464.60   | 0.32%             |  |  |  | No            |                  1 | On Loan: No      |
| Shell PLC                                | Shell PLC                                | CUSIP: 780259305<br>LEI: 21380068P1DRHMJ8KU70 | Long             | EC               | CORP              | GB        |    141599 | NS      | $8064063.05   | 1.42%             |  |  |  | No            |                  1 | On Loan: No      |
| Salesforce Inc                           | Salesforce Inc                           | CUSIP: 79466L302<br>LEI: RCGZFPDMRW58VJ54VR07 | Long             | EC               | CORP              | US        |     22957 | NS      | $3043868.63   | 0.54%             |  |  |  | No            |                  1 | On Loan: No      |
| BlackRock Inc                            | BlackRock Inc                            | CUSIP: 09247X101<br>LEI: 549300LRIF3NWCU26A80 | Long             | EC               | CORP              | US        |      5887 | NS      | $4171704.81   | 0.74%             |  |  |  | No            |                  1 | On Loan: No      |
| AMETEK Inc                               | AMETEK Inc                               | CUSIP: 031100100<br>LEI: 549300WZDEF9KKE40E98 | Long             | EC               | CORP              | US        |     19684 | NS      | $2750248.48   | 0.49%             |  |  |  | No            |                  1 | On Loan: No      |
| Alnylam Pharmaceuticals Inc              | Alnylam Pharmaceuticals Inc              | CUSIP: 02043Q107<br>LEI: 529900S3ZI14OWRJII50 | Long             | EC               | CORP              | US        |      3502 | NS      | $832250.30    | 0.15%             |  |  |  | No            |                  1 | On Loan: No      |
| Welltower Inc                            | Welltower Inc                            | CUSIP: 95040Q104<br>LEI: T6IZ0MBEG5ACZDTR7D06 | Long             | EC               |  | US        |     56230 | NS      | $3685876.50   | 0.65%             |  |  |  | No            |                  1 | On Loan: No      |
| MSCI Inc                                 | MSCI Inc                                 | CUSIP: 55354G100<br>LEI: 549300HTIN2PD78UB763 | Long             | EC               | CORP              | US        |     12238 | NS      | $5692750.46   | 1.00%             |  |  |  | No            |                  1 | On Loan: No      |
| Vertex Pharmaceuticals Inc               | Vertex Pharmaceuticals Inc               | CUSIP: 92532F100<br>LEI: 54930015RAQRRZ5ZGJ91 | Long             | EC               | CORP              | US        |      8858 | NS      | $2558013.24   | 0.45%             |  |  |  | No            |                  1 | On Loan: No      |
| Okta Inc                                 | Okta Inc                                 | CUSIP: 679295105<br>LEI: 549300N8J06I8MRHU620 | Long             | EC               | CORP              | US        |      2670 | NS      | $182441.10    | 0.03%             |  |  |  | No            |                  1 | On Loan: No      |
| UnitedHealth Group Inc                   | UnitedHealth Group Inc                   | CUSIP: 91324P102<br>LEI: 549300GHBMY8T5GXDE41 | Long             | EC               | CORP              | US        |      7262 | NS      | $3850167.16   | 0.68%             |  |  |  | No            |                  1 | On Loan: No      |
| Philip Morris International Inc          | Philip Morris International Inc          | CUSIP: 718172109<br>LEI: HL3H1H2BGXWVG3BSWR90 | Long             | EC               | CORP              | US        |     46649 | NS      | $4721345.29   | 0.83%             |  |  |  | No            |                  1 | On Loan: No      |
| United Rentals Inc                       | United Rentals Inc                       | CUSIP: 911363109<br>LEI: 5323X5O7RN0NKFCDRY08 | Long             | EC               | CORP              | US        |      1513 | NS      | $537750.46    | 0.09%             |  |  |  | No            |                  1 | On Loan: No      |
| Marathon Petroleum Corp                  | Marathon Petroleum Corp                  | CUSIP: 56585A102<br>LEI: 3BNYRYQHD39K4LCKQF12 | Long             | EC               | CORP              | US        |     34221 | NS      | $3982982.19   | 0.70%             |  |  |  | No            |                  1 | On Loan: No      |
| DR Horton Inc                            | DR Horton Inc                            | CUSIP: 23331A109<br>LEI: 529900ZIUEYVSB8QDD25 | Long             | EC               | CORP              | US        |      3245 | NS      | $289259.30    | 0.05%             |  |  |  | No            |                  1 | On Loan: No      |
| Schlumberger Ltd                         | Schlumberger Ltd                         | CUSIP: 000000000<br>LEI: 213800ZUA17OK3QLGM62 | Long             | EC               | CORP              | CW        |     45415 | NS      | $2427885.90   | 0.43%             |  |  |  | No            |                  1 | On Loan: No      |
| Ball Corp                                | Ball Corp                                | CUSIP: 058498106<br>LEI: 0BGI85ALH27ZJP15DY16 | Long             | EC               | CORP              | US        |     19542 | NS      | $999377.88    | 0.18%             |  |  |  | No            |                  1 | On Loan: No      |
| Teradyne Inc                             | Teradyne Inc                             | CUSIP: 880770102<br>LEI: C3X4YJ278QNZHRJULN75 | Long             | EC               | CORP              | US        |     19010 | NS      | $1660523.50   | 0.29%             |  |  |  | No            |                  1 | On Loan: No      |
| EOG Resources Inc                        | EOG Resources Inc                        | CUSIP: 26875P101<br>LEI: XWTZDRYZPBUHIQBKDB46 | Long             | EC               | CORP              | US        |     13854 | NS      | $1794370.08   | 0.32%             |  |  |  | No            |                  1 | On Loan: No      |
| Arch Capital Group Ltd                   | Arch Capital Group Ltd                   | CUSIP: 000000000<br>LEI: 549300AYR4P8AFKDCE43 | Long             | EC               | CORP              | BM        |     41077 | NS      | $2578814.06   | 0.46%             |  |  |  | No            |                  1 | On Loan: No      |
| NIKE Inc                                 | NIKE Inc                                 | CUSIP: 654106103<br>LEI: 787RXPR0UX0O0XUXPZ81 | Long             | EC               | CORP              | US        |     44202 | NS      | $5172076.02   | 0.91%             |  |  |  | No            |                  1 | On Loan: No      |
| Agilent Technologies Inc                 | Agilent Technologies Inc                 | CUSIP: 00846U101<br>LEI: QUIX8Y7A2WP0XRMW7G29 | Long             | EC               | CORP              | US        |     23910 | NS      | $3578131.50   | 0.63%             |  |  |  | No            |                  1 | On Loan: No      |
| HashiCorp Inc                            | HashiCorp Inc                            | CUSIP: 418100103<br>LEI: 549300XGOB9ZFQHMIP56 | Long             | EC               | CORP              | US        |     25634 | NS      | $700833.56    | 0.12%             |  |  |  | No            |                  1 | On Loan: No      |
| Micron Technology Inc                    | Micron Technology Inc                    | CUSIP: 595112103<br>LEI: B3DXGBC8GAIYWI2Z0172 | Long             | EC               | CORP              | US        |     49052 | NS      | $2451618.96   | 0.43%             |  |  |  | No            |                  1 | On Loan: No      |
| HubSpot Inc                              | HubSpot Inc                              | CUSIP: 443573100<br>LEI: 529900BLNVEW0MVKJB37 | Long             | EC               | CORP              | US        |       744 | NS      | $215112.72    | 0.04%             |  |  |  | No            |                  1 | On Loan: No      |
| Linde PLC                                | Linde PLC                                | CUSIP: 000000000<br>LEI: 8945002PAZHZLBGKGF02 | Long             | EC               | CORP              | IE        |     13429 | NS      | $4380271.22   | 0.77%             |  |  |  | No            |                  1 | On Loan: No      |
| Chubb Ltd                                | Chubb Ltd                                | CUSIP: 000000000<br>LEI: E0JAN6VLUDI1HITHT809 | Long             | EC               | CORP              | CH        |     19263 | NS      | $4249417.80   | 0.75%             |  |  |  | No            |                  1 | On Loan: No      |
| Omnicom Group Inc                        | Omnicom Group Inc                        | CUSIP: 681919106<br>LEI: HKUPACFHSSASQK8HLS17 | Long             | EC               | CORP              | US        |     64742 | NS      | $5281004.94   | 0.93%             |  |  |  | No            |                  1 | On Loan: No      |
| General Dynamics Corp                    | General Dynamics Corp                    | CUSIP: 369550108<br>LEI: 9C1X8XOOTYY2FNYTVH06 | Long             | EC               | CORP              | US        |     12355 | NS      | $3065399.05   | 0.54%             |  |  |  | No            |                  1 | On Loan: No      |
| Celanese Corp                            | Celanese Corp                            | CUSIP: 150870103<br>LEI: 549300FHJQTDPPN41627 | Long             | EC               | CORP              | US        |     24980 | NS      | $2553955.20   | 0.45%             |  |  |  | No            |                  1 | On Loan: No      |
| PPG Industries Inc                       | PPG Industries Inc                       | CUSIP: 693506107<br>LEI: 549300BKPEP01R3V6C59 | Long             | EC               | CORP              | US        |     20284 | NS      | $2550510.16   | 0.45%             |  |  |  | No            |                  1 | On Loan: No      |
| Sun Communities Inc                      | Sun Communities Inc                      | CUSIP: 866674104<br>LEI: 549300H5GEOJYN41ZG57 | Long             | EC               |  | US        |     16406 | NS      | $2346058.00   | 0.41%             |  |  |  | No            |                  1 | On Loan: No      |
| Exelon Corp                              | Exelon Corp                              | CUSIP: 30161N101<br>LEI: 3SOUA6IRML7435B56G12 | Long             | EC               | CORP              | US        |     93024 | NS      | $4021427.52   | 0.71%             |  |  |  | No            |                  1 | On Loan: No      |
| Seagen Inc                               | Seagen Inc                               | CUSIP: 81181C104<br>LEI: N/A                  | Long             | EC               | CORP              | US        |      7756 | NS      | $996723.56    | 0.18%             |  |  |  | No            |                  1 | On Loan: No      |
| FleetCor Technologies Inc                | FleetCor Technologies Inc                | CUSIP: 339041105<br>LEI: 549300DG6RR0NQSFLN74 | Long             | EC               | CORP              | US        |     10663 | NS      | $1958579.84   | 0.35%             |  |  |  | No            |                  1 | On Loan: No      |
| Advanced Micro Devices Inc               | Advanced Micro Devices Inc               | CUSIP: 007903107<br>LEI: R2I72C950HOYXII45366 | Long             | EC               | CORP              | US        |     46594 | NS      | $3017893.38   | 0.53%             |  |  |  | No            |                  1 | On Loan: No      |
| Texas Instruments Inc                    | Texas Instruments Inc                    | CUSIP: 882508104<br>LEI: WDJNR2L6D8RWOEB8T652 | Long             | EC               | CORP              | US        |     31854 | NS      | $5262917.88   | 0.93%             |  |  |  | No            |                  1 | On Loan: No      |
| PayPal Holdings Inc                      | PayPal Holdings Inc                      | CUSIP: 70450Y103<br>LEI: 5493005X2GO78EFZ3E94 | Long             | EC               | CORP              | US        |     45804 | NS      | $3262160.88   | 0.58%             |  |  |  | No            |                  1 | On Loan: No      |
| Centene Corp                             | Centene Corp                             | CUSIP: 15135B101<br>LEI: 549300Z7JJ4TQSQGT333 | Long             | EC               | CORP              | US        |     55039 | NS      | $4513748.39   | 0.80%             |  |  |  | No            |                  1 | On Loan: No      |
| Alphabet Inc                             | Alphabet Inc                             | CUSIP: 02079K305<br>LEI: 5493006MHB84DD0ZWV18 | Long             | EC               | CORP              | US        |    217631 | NS      | $19201583.13  | 3.39%             |  |  |  | No            |                  1 | On Loan: No      |
| Prologis Inc                             | Prologis Inc                             | CUSIP: 74340W103<br>LEI: 529900DFH19P073LZ636 | Long             | EC               |  | US        |     13883 | NS      | $1565030.59   | 0.28%             |  |  |  | No            |                  1 | On Loan: No      |
| Visa Inc                                 | Visa Inc                                 | CUSIP: 92826C839<br>LEI: 549300JZ4OKEHW3DPJ59 | Long             | EC               | CORP              | US        |     20343 | NS      | $4226461.68   | 0.75%             |  |  |  | No            |                  1 | On Loan: No      |
| Crown Holdings Inc                       | Crown Holdings Inc                       | CUSIP: 228368106<br>LEI: NYLWZIOY8PUNIT4JOE22 | Long             | EC               | CORP              | US        |     15210 | NS      | $1250414.10   | 0.22%             |  |  |  | No            |                  1 | On Loan: No      |
| Zoetis Inc                               | Zoetis Inc                               | CUSIP: 98978V103<br>LEI: 549300HD9Q1LOC9KLJ48 | Long             | EC               | CORP              | US        |     25370 | NS      | $3717973.50   | 0.66%             |  |  |  | No            |                  1 | On Loan: No      |
| Boston Scientific Corp                   | Boston Scientific Corp                   | CUSIP: 101137107<br>LEI: Y6ZDD9FP4P8JSSJMW954 | Long             | EC               | CORP              | US        |     70652 | NS      | $3269068.04   | 0.58%             |  |  |  | No            |                  1 | On Loan: No      |
| Archer-Daniels-Midland Co                | Archer-Daniels-Midland Co                | CUSIP: 039483102<br>LEI: 549300LO13MQ9HYSTR83 | Long             | EC               | CORP              | US        |     33111 | NS      | $3074356.35   | 0.54%             |  |  |  | No            |                  1 | On Loan: No      |
| Elevance Health Inc                      | Elevance Health Inc                      | CUSIP: 036752103<br>LEI: 8MYN82XMYQH89CTMTH67 | Long             | EC               | CORP              | US        |      7273 | NS      | $3730830.81   | 0.66%             |  |  |  | No            |                  1 | On Loan: No      |
| Lennar Corp                              | Lennar Corp                              | CUSIP: 526057104<br>LEI: 529900G61XVRLX5TJX09 | Long             | EC               | CORP              | US        |      8146 | NS      | $737213.00    | 0.13%             |  |  |  | No            |                  1 | On Loan: No      |
| CBRE Group Inc                           | CBRE Group Inc                           | CUSIP: 12504L109<br>LEI: 52990016II9MJ2OSWA10 | Long             | EC               | CORP              | US        |     20643 | NS      | $1588685.28   | 0.28%             |  |  |  | No            |                  1 | On Loan: No      |
| Biogen Inc                               | Biogen Inc                               | CUSIP: 09062X103<br>LEI: W8J5WZB5IY3K0NDQT671 | Long             | EC               | CORP              | US        |      4822 | NS      | $1335308.24   | 0.24%             |  |  |  | No            |                  1 | On Loan: No      |
| Block Inc                                | Block Inc                                | CUSIP: 852234103<br>LEI: 549300OHIIUWSTIZME52 | Long             | EC               | CORP              | US        |     46988 | NS      | $2952725.92   | 0.52%             |  |  |  | No            |                  1 | On Loan: No      |
| GSK PLC                                  | GSK PLC                                  | CUSIP: 37733W204<br>LEI: 5493000HZTVUYLO1D793 | Long             | EC               | CORP              | GB        |     43900 | NS      | $1542646.00   | 0.27%             |  |  |  | No            |                  1 | On Loan: No      |
| Edison International                     | Edison International                     | CUSIP: 281020107<br>LEI: 549300I7ROF15MAEVP56 | Long             | EC               | CORP              | US        |     55952 | NS      | $3559666.24   | 0.63%             |  |  |  | No            |                  1 | On Loan: No      |
| Lockheed Martin Corp                     | Lockheed Martin Corp                     | CUSIP: 539830109<br>LEI: DPRBOZP0K5RM2YE8UU08 | Long             | EC               | CORP              | US        |      6481 | NS      | $3152941.69   | 0.56%             |  |  |  | No            |                  1 | On Loan: No      |
| Workday Inc                              | Workday Inc                              | CUSIP: 98138H101<br>LEI: 549300J0DYC0N31V7G13 | Long             | EC               | CORP              | US        |      7415 | NS      | $1240751.95   | 0.22%             |  |  |  | No            |                  1 | On Loan: No      |
| Microsoft Corp                           | Microsoft Corp                           | CUSIP: 594918104<br>LEI: INR2EJN1ERAN0W5ZP974 | Long             | EC               | CORP              | US        |    134858 | NS      | $32341645.56  | 5.71%             |  |  |  | No            |                  1 | On Loan: No      |
| Insulet Corp                             | Insulet Corp                             | CUSIP: 45784P101<br>LEI: 549300TZTYD2PYN92D43 | Long             | EC               | CORP              | US        |      4751 | NS      | $1398646.89   | 0.25%             |  |  |  | No            |                  1 | On Loan: No      |
| Moderna Inc                              | Moderna Inc                              | CUSIP: 60770K107<br>LEI: 549300EI6OKH5K5Q2G38 | Long             | EC               | CORP              | US        |      3672 | NS      | $659564.64    | 0.12%             |  |  |  | No            |                  1 | On Loan: No      |
| Kellogg Co                               | Kellogg Co                               | CUSIP: 487836108<br>LEI: LONOZNOJYIBXOHXWDB86 | Long             | EC               | CORP              | US        |     30562 | NS      | $2177236.88   | 0.38%             |  |  |  | No            |                  1 | On Loan: No      |
| Stryker Corp                             | Stryker Corp                             | CUSIP: 863667101<br>LEI: 5493002F0SC4JTBU5137 | Long             | EC               | CORP              | US        |     13241 | NS      | $3237292.09   | 0.57%             |  |  |  | No            |                  1 | On Loan: No      |
| Constellation Brands Inc                 | Constellation Brands Inc                 | CUSIP: 21036P108<br>LEI: 5493005GKEG8QCVY7037 | Long             | EC               | CORP              | US        |     25818 | NS      | $5983321.50   | 1.06%             |  |  |  | No            |                  1 | On Loan: No      |
| NVIDIA Corp                              | NVIDIA Corp                              | CUSIP: 67066G104<br>LEI: 549300S4KLFTLO7GSQ80 | Long             | EC               | CORP              | US        |      9965 | NS      | $1456285.10   | 0.26%             |  |  |  | No            |                  1 | On Loan: No      |
| Johnson Controls International plc       | Johnson Controls International plc       | CUSIP: 000000000<br>LEI: 549300XQ6S1GYKGBL205 | Long             | EC               | CORP              | IE        |     31582 | NS      | $2021248.00   | 0.36%             |  |  |  | No            |                  1 | On Loan: No      |
| Adobe Inc                                | Adobe Inc                                | CUSIP: 00724F101<br>LEI: FU4LY2G4933NH2E1CP29 | Long             | EC               | CORP              | US        |      4383 | NS      | $1475010.99   | 0.26%             |  |  |  | No            |                  1 | On Loan: No      |
| AstraZeneca PLC                          | AstraZeneca PLC                          | CUSIP: 046353108<br>LEI: PY6ZZQWO2IZFZC3IOL08 | Long             | EC               | CORP              | GB        |     72844 | NS      | $4938823.20   | 0.87%             |  |  |  | No            |                  1 | On Loan: No      |
| Ceridian HCM Holding Inc                 | Ceridian HCM Holding Inc                 | CUSIP: 15677J108<br>LEI: 549300T64GVCHFJ8L449 | Long             | EC               | CORP              | US        |     48096 | NS      | $3085358.40   | 0.54%             |  |  |  | No            |                  1 | On Loan: No      |
| SPDR S&P 500 ETF Trust                   | SPDR S&P 500 ETF Trust                   | CUSIP: 78462F103<br>LEI: 549300NZAMSJ8FXPQQ63 | Long             | EC               | RF                | US        |     19365 | NS      | $7405756.95   | 1.31%             |  |  |  | No            |                  1 | On Loan: No      |
| Illumina Inc                             | Illumina Inc                             | CUSIP: 452327109<br>LEI: SQ95QG8SR5Q56LSNF682 | Long             | EC               | CORP              | US        |      8071 | NS      | $1631956.20   | 0.29%             |  |  |  | No            |                  1 | On Loan: No      |
| Walt Disney Co/The                       | Walt Disney Co/The                       | CUSIP: 254687106<br>LEI: 549300GZKULIZ0WOW665 | Long             | EC               | CORP              | US        |     52064 | NS      | $4523320.32   | 0.80%             |  |  |  | No            |                  1 | On Loan: No      |
| Marsh & McLennan Cos Inc                 | Marsh & McLennan Cos Inc                 | CUSIP: 571748102<br>LEI: 549300XMP3KDCKJXIU47 | Long             | EC               | CORP              | US        |     31637 | NS      | $5235290.76   | 0.92%             |  |  |  | No            |                  1 | On Loan: No      |
| GoDaddy Inc                              | GoDaddy Inc                              | CUSIP: 380237107<br>LEI: 549300J8H1TB0I2CB447 | Long             | EC               | CORP              | US        |     24634 | NS      | $1843115.88   | 0.33%             |  |  |  | No            |                  1 | On Loan: No      |
| Ares Management Corp                     | Ares Management Corp                     | CUSIP: 03990B101<br>LEI: 529900JUV61FH7B8VW38 | Long             | EC               | CORP              | US        |    111423 | NS      | $7625790.12   | 1.35%             |  |  |  | No            |                  1 | On Loan: No      |
| Airbnb Inc                               | Airbnb Inc                               | CUSIP: 009066101<br>LEI: 549300HMUDNO0RY56D37 | Long             | EC               | CORP              | US        |     67476 | NS      | $5769198.00   | 1.02%             |  |  |  | No            |                  1 | On Loan: No      |
| PACCAR Inc                               | PACCAR Inc                               | CUSIP: 693718108<br>LEI: KDTEY8BWE486IKZ3CC07 | Long             | EC               | CORP              | US        |     48694 | NS      | $4819245.18   | 0.85%             |  |  |  | No            |                  1 | On Loan: No      |
| Etsy Inc                                 | Etsy Inc                                 | CUSIP: 29786A106<br>LEI: 54930089Q7XT501AEA40 | Long             | EC               | CORP              | US        |     47680 | NS      | $5711110.40   | 1.01%             |  |  |  | No            |                  1 | On Loan: No      |
| Host Hotels & Resorts Inc                | Host Hotels & Resorts Inc                | CUSIP: 44107P104<br>LEI: N6EL63S0K3PB1YFTDI24 | Long             | EC               |  | US        |    187911 | NS      | $3015971.55   | 0.53%             |  |  |  | No            |                  1 | On Loan: No      |
| Marvell Technology Inc                   | Marvell Technology Inc                   | CUSIP: 573874104<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     42243 | NS      | $1564680.72   | 0.28%             |  |  |  | No            |                  1 | On Loan: No      |
| TJX Cos Inc/The                          | TJX Cos Inc/The                          | CUSIP: 872540109<br>LEI: V167QI9I69W364E2DY52 | Long             | EC               | CORP              | US        |    110676 | NS      | $8809809.60   | 1.56%             |  |  |  | No            |                  1 | On Loan: No      |
| Incyte Corp                              | Incyte Corp                              | CUSIP: 45337C102<br>LEI: 549300Z4WN6JVZ3T4680 | Long             | EC               | CORP              | US        |      5076 | NS      | $407704.32    | 0.07%             |  |  |  | No            |                  1 | On Loan: No      |
| Monster Beverage Corp                    | Monster Beverage Corp                    | CUSIP: 61174X109<br>LEI: 52990090AP0E7HCB6F33 | Long             | EC               | CORP              | US        |     48940 | NS      | $4968878.20   | 0.88%             |  |  |  | No            |                  1 | On Loan: No      |
| Berkshire Hathaway Inc                   | Berkshire Hathaway Inc                   | CUSIP: 084670702<br>LEI: 5493000C01ZX7D35SD85 | Long             | EC               | CORP              | US        |      5983 | NS      | $1848148.70   | 0.33%             |  |  |  | No            |                  1 | On Loan: No      |
| Hershey Co/The                           | Hershey Co/The                           | CUSIP: 427866108<br>LEI: 21X2CX66SU2BR6QTAD08 | Long             | EC               | CORP              | US        |     23900 | NS      | $5534523.00   | 0.98%             |  |  |  | No            |                  1 | On Loan: No      |
| Kimco Realty Corp                        | Kimco Realty Corp                        | CUSIP: 49446R109<br>LEI: 549300EA7I6T15IBYS12 | Long             | EC               |  | US        |    131770 | NS      | $2790888.60   | 0.49%             |  |  |  | No            |                  1 | On Loan: No      |
| AT&T Inc                                 | AT&T Inc                                 | CUSIP: 00206R102<br>LEI: 549300Z40J86GGSTL398 | Long             | EC               | CORP              | US        |    229376 | NS      | $4222812.16   | 0.75%             |  |  |  | No            |                  1 | On Loan: No      |
| Southwest Airlines Co                    | Southwest Airlines Co                    | CUSIP: 844741108<br>LEI: UDTZ87G0STFETI6HGH41 | Long             | EC               | CORP              | US        |    115232 | NS      | $3879861.44   | 0.68%             |  |  |  | No            |                  1 | On Loan: No      |
| Tesla Inc                                | Tesla Inc                                | CUSIP: 88160R101<br>LEI: 54930043XZGB27CTOV49 | Long             | EC               | CORP              | US        |      4914 | NS      | $605306.52    | 0.11%             |  |  |  | No            |                  1 | On Loan: No      |
| Intel Corp                               | Intel Corp                               | CUSIP: 458140100<br>LEI: KNX4USFCNGPY45LOCE31 | Long             | EC               | CORP              | US        |     50390 | NS      | $1331807.70   | 0.24%             |  |  |  | No            |                  1 | On Loan: No      |
| Abbott Laboratories                      | Abbott Laboratories                      | CUSIP: 002824100<br>LEI: HQD377W2YR662HK5JX27 | Long             | EC               | CORP              | US        |     30324 | NS      | $3329271.96   | 0.59%             |  |  |  | No            |                  1 | On Loan: No      |
| FedEx Corp                               | FedEx Corp                               | CUSIP: 31428X106<br>LEI: 549300E707U7WNPZN687 | Long             | EC               | CORP              | US        |      7867 | NS      | $1362564.40   | 0.24%             |  |  |  | No            |                  1 | On Loan: No      |
| Ford Motor Co                            | Ford Motor Co                            | CUSIP: 345370860<br>LEI: 20S05OYHG0MQM4VUIC57 | Long             | EC               | CORP              | US        |     80453 | NS      | $935668.39    | 0.17%             |  |  |  | No            |                  1 | On Loan: No      |
| Match Group Inc                          | Match Group Inc                          | CUSIP: 57667L107<br>LEI: 15OMOPB0A8K0EFUVD031 | Long             | EC               | CORP              | US        |     50244 | NS      | $2084623.56   | 0.37%             |  |  |  | No            |                  1 | On Loan: No      |
| Goldman Sachs Group Inc/The              | Goldman Sachs Group Inc/The              | CUSIP: 38141G104<br>LEI: 784F5XWPLTWKTBV3E584 | Long             | EC               | CORP              | US        |     19128 | NS      | $6568172.64   | 1.16%             |  |  |  | No            |                  1 | On Loan: No      |
| ServiceNow Inc                           | ServiceNow Inc                           | CUSIP: 81762P102<br>LEI: 549300HJTQM36M0E1G39 | Long             | EC               | CORP              | US        |      5679 | NS      | $2204985.33   | 0.39%             |  |  |  | No            |                  1 | On Loan: No      |
| Sysco Corp                               | Sysco Corp                               | CUSIP: 871829107<br>LEI: 5RGWIFLMGH3YS7KWI652 | Long             | EC               | CORP              | US        |    176990 | NS      | $13530885.50  | 2.39%             |  |  |  | No            |                  1 | On Loan: No      |
| SentinelOne Inc                          | SentinelOne Inc                          | CUSIP: 81730H109<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     11976 | NS      | $174729.84    | 0.03%             |  |  |  | No            |                  1 | On Loan: No      |
| Dexcom Inc                               | Dexcom Inc                               | CUSIP: 252131107<br>LEI: 549300YSK3QDSFR5EU59 | Long             | EC               | CORP              | US        |     15604 | NS      | $1766996.96   | 0.31%             |  |  |  | No            |                  1 | On Loan: No      |
| FirstEnergy Corp                         | FirstEnergy Corp                         | CUSIP: 337932107<br>LEI: 549300SVYJS666PQJH88 | Long             | EC               | CORP              | US        |    124222 | NS      | $5209870.68   | 0.92%             |  |  |  | No            |                  1 | On Loan: No      |
| Charles Schwab Corp/The                  | Charles Schwab Corp/The                  | CUSIP: 808513105<br>LEI: 549300VSGCJ7E698NM85 | Long             | EC               | CORP              | US        |    153414 | NS      | $12773249.64  | 2.25%             |  |  |  | No            |                  1 | On Loan: No      |
| MetLife Inc                              | MetLife Inc                              | CUSIP: 59156R108<br>LEI: C4BXATY60WC6XEOZDX54 | Long             | EC               | CORP              | US        |     31430 | NS      | $2274589.10   | 0.40%             |  |  |  | No            |                  1 | On Loan: No      |
| Qualtrics International Inc              | Qualtrics International Inc              | CUSIP: 747601201<br>LEI: 549300NW34K5PVZGTN68 | Long             | EC               | CORP              | US        |     30231 | NS      | $313797.78    | 0.06%             |  |  |  | No            |                  1 | On Loan: No      |
| Duke Energy Corp                         | Duke Energy Corp                         | CUSIP: 26441C204<br>LEI: I1BZKREC126H0VB1BL91 | Long             | EC               | CORP              | US        |     56609 | NS      | $5830160.91   | 1.03%             |  |  |  | No            |                  1 | On Loan: No      |
| Snowflake Inc                            | Snowflake Inc                            | CUSIP: 833445109<br>LEI: 254900CJNSY1K7T53Z16 | Long             | EC               | CORP              | US        |      1782 | NS      | $255788.28    | 0.05%             |  |  |  | No            |                  1 | On Loan: No      |
| Meta Platforms Inc                       | Meta Platforms Inc                       | CUSIP: 30303M102<br>LEI: BQ4BKCS1HXDV9HN80Z93 | Long             | EC               | CORP              | US        |     61666 | NS      | $7420886.44   | 1.31%             |  |  |  | No            |                  1 | On Loan: No      |
| Pfizer Inc                               | Pfizer Inc                               | CUSIP: 717081103<br>LEI: 765LHXWGK1KXCLTFYQ30 | Long             | EC               | CORP              | US        |    163059 | NS      | $8355143.16   | 1.47%             |  |  |  | No            |                  1 | On Loan: No      |
| VeriSign Inc                             | VeriSign Inc                             | CUSIP: 92343E102<br>LEI: LMPL4N8ZOJRMF0KOF759 | Long             | EC               | CORP              | US        |     29434 | NS      | $6046920.96   | 1.07%             |  |  |  | No            |                  1 | On Loan: No      |
| Waste Connections Inc                    | Waste Connections Inc                    | CUSIP: 94106B101<br>LEI: 549300HDLRTPBQU69P29 | Long             | EC               | CORP              | CA        |     10722 | NS      | $1421308.32   | 0.25%             |  |  |  | No            |                  1 | On Loan: No      |
| Molina Healthcare Inc                    | Molina Healthcare Inc                    | CUSIP: 60855R100<br>LEI: 549300NQQCEQ46YHZ591 | Long             | EC               | CORP              | US        |      3428 | NS      | $1131994.16   | 0.20%             |  |  |  | No            |                  1 | On Loan: No      |
| Raytheon Technologies Corp               | Raytheon Technologies Corp               | CUSIP: 75513E101<br>LEI: I07WOS4YJ0N7YRFE7309 | Long             | EC               | CORP              | US        |     44428 | NS      | $4483673.76   | 0.79%             |  |  |  | No            |                  1 | On Loan: No      |
| Edwards Lifesciences Corp                | Edwards Lifesciences Corp                | CUSIP: 28176E108<br>LEI: YA13X31F3V31L8TMPR58 | Long             | EC               | CORP              | US        |     34130 | NS      | $2546439.30   | 0.45%             |  |  |  | No            |                  1 | On Loan: No      |
| Boeing Co/The                            | Boeing Co/The                            | CUSIP: 097023105<br>LEI: RVHJWBXLJ1RFUBSY1F30 | Long             | EC               | CORP              | US        |     11446 | NS      | $2180348.54   | 0.38%             |  |  |  | No            |                  1 | On Loan: No      |
| Altria Group Inc                         | Altria Group Inc                         | CUSIP: 02209S103<br>LEI: XSGZFLO9YTNO9VCQV219 | Long             | EC               | CORP              | US        |     29265 | NS      | $1337703.15   | 0.24%             |  |  |  | No            |                  1 | On Loan: No      |
| Palo Alto Networks Inc                   | Palo Alto Networks Inc                   | CUSIP: 697435105<br>LEI: 549300QXR2YVZV231H43 | Long             | EC               | CORP              | US        |      4794 | NS      | $668954.76    | 0.12%             |  |  |  | No            |                  1 | On Loan: No      |
| Starbucks Corp                           | Starbucks Corp                           | CUSIP: 855244109<br>LEI: OQSJ1DU9TAOC51A47K68 | Long             | EC               | CORP              | US        |     44824 | NS      | $4446540.80   | 0.78%             |  |  |  | No            |                  1 | On Loan: No      |
| Emerson Electric Co                      | Emerson Electric Co                      | CUSIP: 291011104<br>LEI: FGLT0EWZSUIRRITFOA30 | Long             | EC               | CORP              | US        |      8501 | NS      | $816606.06    | 0.14%             |  |  |  | No            |                  1 | On Loan: No      |
| Laboratory Corp of America Holdings      | Laboratory Corp of America Holdings      | CUSIP: 50540R409<br>LEI: OZ7UA8IXAIFILY2VZH07 | Long             | EC               | CORP              | US        |      5864 | NS      | $1380854.72   | 0.24%             |  |  |  | No            |                  1 | On Loan: No      |
| Morgan Stanley                           | Morgan Stanley                           | CUSIP: 617446448<br>LEI: IGJSJL3JD5P30I6NJZ34 | Long             | EC               | CORP              | US        |     45107 | NS      | $3834997.14   | 0.68%             |  |  |  | No            |                  1 | On Loan: No      |
| Ingersoll Rand Inc                       | Ingersoll Rand Inc                       | CUSIP: 45687V106<br>LEI: 5299004C02FMZCUOIR50 | Long             | EC               | CORP              | US        |     41582 | NS      | $2172659.50   | 0.38%             |  |  |  | No            |                  1 | On Loan: No      |
| Caterpillar Inc                          | Caterpillar Inc                          | CUSIP: 149123101<br>LEI: WRJR7GS4GTRECRRTVX92 | Long             | EC               | CORP              | US        |      7781 | NS      | $1864016.36   | 0.33%             |  |  |  | No            |                  1 | On Loan: No      |
| ON Semiconductor Corp                    | ON Semiconductor Corp                    | CUSIP: 682189105<br>LEI: ZV20P4CNJVT8V1ZGJ064 | Long             | EC               | CORP              | US        |     36139 | NS      | $2253989.43   | 0.40%             |  |  |  | No            |                  1 | On Loan: No      |
| HCA Healthcare Inc                       | HCA Healthcare Inc                       | CUSIP: 40412C101<br>LEI: 529900PH4ZGUH2MNEU89 | Long             | EC               | CORP              | US        |     15116 | NS      | $3627235.36   | 0.64%             |  |  |  | No            |                  1 | On Loan: No      |
| KLA Corp                                 | KLA Corp                                 | CUSIP: 482480100<br>LEI: 549300H0BF5JCG96TJ81 | Long             | EC               | CORP              | US        |      7450 | NS      | $2808873.50   | 0.50%             |  |  |  | No            |                  1 | On Loan: No      |
| AES Corp/The                             | AES Corp/The                             | CUSIP: 00130H105<br>LEI: 2NUNNB7D43COUIRE5295 | Long             | EC               | CORP              | US        |    118722 | NS      | $3414444.72   | 0.60%             |  |  |  | No            |                  1 | On Loan: No      |
| Diamondback Energy Inc                   | Diamondback Energy Inc                   | CUSIP: 25278X109<br>LEI: 549300R22LSX6OHWEN64 | Long             | EC               | CORP              | US        |      7338 | NS      | $1003691.64   | 0.18%             |  |  |  | No            |                  1 | On Loan: No      |
| Electronic Arts Inc                      | Electronic Arts Inc                      | CUSIP: 285512109<br>LEI: 549300O7A67PUEYKDL45 | Long             | EC               | CORP              | US        |      8234 | NS      | $1006030.12   | 0.18%             |  |  |  | No            |                  1 | On Loan: No      |
| McKesson Corp                            | McKesson Corp                            | CUSIP: 58155Q103<br>LEI: 549300WZWOM80UCFSF54 | Long             | EC               | CORP              | US        |      6468 | NS      | $2426276.16   | 0.43%             |  |  |  | No            |                  1 | On Loan: No      |
| Humana Inc                               | Humana Inc                               | CUSIP: 444859102<br>LEI: 529900YLDW34GJAO4J06 | Long             | EC               | CORP              | US        |      6833 | NS      | $3499794.27   | 0.62%             |  |  |  | No            |                  1 | On Loan: No      |
| Fortive Corp                             | Fortive Corp                             | CUSIP: 34959J108<br>LEI: 549300MU9YQJYHDQEF63 | Long             | EC               | CORP              | US        |     32369 | NS      | $2079708.25   | 0.37%             |  |  |  | No            |                  1 | On Loan: No      |
| Apple Inc                                | Apple Inc                                | CUSIP: 037833100<br>LEI: HWUPKR0MPOU8FGXBT394 | Long             | EC               | CORP              | US        |    143441 | NS      | $18637289.13  | 3.29%             |  |  |  | No            |                  1 | On Loan: No      |
| BP PLC                                   | BP PLC                                   | CUSIP: 055622104<br>LEI: 213800LH1BZH3DI6G760 | Long             | EC               | CORP              | GB        |    249217 | NS      | $8705149.81   | 1.54%             |  |  |  | No            |                  1 | On Loan: No      |
| Danaher Corp                             | Danaher Corp                             | CUSIP: 235851102<br>LEI: S4BKK9OTCEWQ3YHPFM11 | Long             | EC               | CORP              | US        |     21848 | NS      | $5798896.16   | 1.02%             |  |  |  | No            |                  1 | On Loan: No      |
| Regeneron Pharmaceuticals Inc            | Regeneron Pharmaceuticals Inc            | CUSIP: 75886F107<br>LEI: 549300RCBFWIRX3HYQ56 | Long             | EC               | CORP              | US        |      2678 | NS      | $1932150.22   | 0.34%             |  |  |  | No            |                  1 | On Loan: No      |
| Builders FirstSource Inc                 | Builders FirstSource Inc                 | CUSIP: 12008R107<br>LEI: 549300W0SKP6L3H7DP63 | Long             | EC               | CORP              | US        |     48658 | NS      | $3156931.04   | 0.56%             |  |  |  | No            |                  1 | On Loan: No      |
| Nasdaq Inc                               | Nasdaq Inc                               | CUSIP: 631103108<br>LEI: 549300L8X1Q78ERXFD06 | Long             | EC               | CORP              | US        |     19380 | NS      | $1188963.00   | 0.21%             |  |  |  | No            |                  1 | On Loan: No      |
| Equifax Inc                              | Equifax Inc                              | CUSIP: 294429105<br>LEI: 5493004MCF8JDC86VS77 | Long             | EC               | CORP              | US        |      4681 | NS      | $909799.16    | 0.16%             |  |  |  | No            |                  1 | On Loan: No      |
| T-Mobile US Inc                          | T-Mobile US Inc                          | CUSIP: 872590104<br>LEI: 549300QHIJYOHPACPG31 | Long             | EC               | CORP              | US        |     38870 | NS      | $5441800.00   | 0.96%             |  |  |  | No            |                  1 | On Loan: No      |
| Charter Communications Inc               | Charter Communications Inc               | CUSIP: 16119P108<br>LEI: 0J0XRGZE3PBRFEZ7MV65 | Long             | EC               | CORP              | US        |      2490 | NS      | $844359.00    | 0.15%             |  |  |  | No            |                  1 | On Loan: No      |
| Novartis AG                              | Novartis AG                              | CUSIP: 66987V109<br>LEI: 5493007HIVTX6SY6XD66 | Long             | EC               | CORP              | CH        |     26649 | NS      | $2417597.28   | 0.43%             |  |  |  | No            |                  1 | On Loan: No      |
| Merck & Co Inc                           | Merck & Co Inc                           | CUSIP: 58933Y105<br>LEI: 4YV9Y5M8S0BRK1RP0397 | Long             | EC               | CORP              | US        |     50518 | NS      | $5604972.10   | 0.99%             |  |  |  | No            |                  1 | On Loan: No      |
| Eli Lilly & Co                           | Eli Lilly & Co                           | CUSIP: 532457108<br>LEI: FRDRIPF3EKNDJ2CQJL29 | Long             | EC               | CORP              | US        |     29182 | NS      | $10675942.88  | 1.88%             |  |  |  | No            |                  1 | On Loan: No      |
| Global Payments Inc                      | Global Payments Inc                      | CUSIP: 37940X102<br>LEI: 549300NOMHGVQBX6S778 | Long             | EC               | CORP              | US        |     31494 | NS      | $3127984.08   | 0.55%             |  |  |  | No            |                  1 | On Loan: No      |
| JPMorgan Chase & Co                      | JPMorgan Chase & Co                      | CUSIP: 46625H100<br>LEI: 8I5DZWZKVSZI1NUHU748 | Long             | EC               | CORP              | US        |      9455 | NS      | $1267915.50   | 0.22%             |  |  |  | No            |                  1 | On Loan: No      |
| Amazon.com Inc                           | Amazon.com Inc                           | CUSIP: 023135106<br>LEI: ZXTILKJKG63JELOEG630 | Long             | EC               | CORP              | US        |    223947 | NS      | $18811548.00  | 3.32%             |  |  |  | No            |                  1 | On Loan: No      |
| Westinghouse Air Brake Technologies Corp | Westinghouse Air Brake Technologies Corp | CUSIP: 929740108<br>LEI: 06BTX5UWZD0GQ5N5Y745 | Long             | EC               | CORP              | US        |     50864 | NS      | $5076735.84   | 0.90%             |  |  |  | No            |                  1 | On Loan: No      |
| Baxter International Inc                 | Baxter International Inc                 | CUSIP: 071813109<br>LEI: J5OIVXX3P24RJRW5CK77 | Long             | EC               | CORP              | US        |     25379 | NS      | $1293567.63   | 0.23%             |  |  |  | No            |                  1 | On Loan: No      |
| Bristol-Myers Squibb Co                  | Bristol-Myers Squibb Co                  | CUSIP: 110122108<br>LEI: HLYYNH7UQUORYSJQCN42 | Long             | EC               | CORP              | US        |     38579 | NS      | $2775759.05   | 0.49%             |  |  |  | No            |                  1 | On Loan: No      |
| American International Group Inc         | American International Group Inc         | CUSIP: 026874784<br>LEI: ODVCVCQG2BP6VHV36M30 | Long             | EC               | CORP              | US        |     52020 | NS      | $3289744.80   | 0.58%             |  |  |  | No            |                  1 | On Loan: No      |
| ConocoPhillips                           | ConocoPhillips                           | CUSIP: 20825C104<br>LEI: WPTL2Z3FIYTHSP5V2253 | Long             | EC               | CORP              | US        |     61008 | NS      | $7198944.00   | 1.27%             |  |  |  | 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