Current Market Value 1,389,362,192
Current Holdings 403
Most Recent File Date 2025-08-19
Total Filings on Record 24
SEC Form 13F Filing History

This page shows a list of all the recent 13F filings made by NORTHWESTERN MUTUAL SERIES FUND INC - Index 400 Stock Portfolio . Form 13F is required to be filed within 45 days of the end of a calendar quarter. The Form 13F report requires disclosure of the manager that files the report, the name and class of the security, the CUSIP number, the number of shares as of the end of the calendar quarter for which the report is filed, and the total market value. The market value column should not be used as a substitute for Assets Under Management (AUM), as it does not include cash held in accounts.

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File Date Reporting Period Form Amendment Holdings Reported Value
($1000)
2025-08-19 2025-06-30 NPORT-P 403 1,389,362
2025-05-19 2025-03-31 NPORT-P 403 1,296,696
2025-02-20 2024-12-31 NPORT-P 403 1,388,435
2024-11-22 2024-09-30 NPORT-P 403 1,408,262
2024-08-16 2024-06-30 NPORT-P 404 1,322,666
2024-05-21 2024-03-31 NPORT-P 403 1,392,919
2024-02-20 2023-12-31 NPORT-P 406 1,277,509
2023-11-29 2023-09-30 NPORT-P 404 1,153,194
2023-08-23 2023-06-30 NPORT-P 403 1,205,409
2023-05-23 2023-03-31 NPORT-P 403 1,159,968
2023-02-27 2022-12-31 NPORT-P 403 1,122,662
2022-11-28 2022-09-30 NPORT-P 404 1,035,084
2022-08-23 2022-06-30 NPORT-P 404 1,070,026
2022-05-24 2022-03-31 NPORT-P 403 1,271,214
2022-02-28 2021-12-31 NPORT-P 403 1,320,899
2021-11-22 2021-09-30 NPORT-P 404 1,248,797
2021-08-19 2021-06-30 NPORT-P 405 1,275,404
2021-05-26 2021-03-31 NPORT-P 404 1,234,019
2021-02-23 2020-12-31 NPORT-P 411 1,115,666
2020-11-24 2020-09-30 NPORT-P 418 913,458
2020-08-21 2020-06-30 NPORT-P 410 878,815
2020-05-22 2020-03-31 NPORT-P 414 705,832
2020-02-20 2019-12-31 NPORT-P 413 989,105
2019-11-20 2019-09-30 NPORT-P 412 950,025