# Growth Stock Portfolio

Growth Stock Portfolio is a registered fund series of NORTHWESTERN MUTUAL SERIES FUND INC (series S000000056). Net assets $1.3B as of 2026-03-31.

## Profile

- Series ID: S000000056
- Registrant: NORTHWESTERN MUTUAL SERIES FUND INC
- LEI: SZG5ML0R3BIC0KK1SI27
- Net assets: $1.3B
- Total assets: $1.3B
- As of: 2026-03-31

## Advisers

- [T. Rowe Price Associates, Inc. (Subadvisor)](https://search.stillhousedata.com/firm/105496)
- [Mason Street Advisors, LLC (Advisor)](https://search.stillhousedata.com/firm/114085)

## Top holdings (58 reported)

_Showing 15 of 58 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [NVIDIA Corp](https://search.stillhousedata.com/security/67066G104) | — | $218.9M | 1673.93% |
| [Apple Inc](https://search.stillhousedata.com/security/037833100) | — | $120.3M | 920.21% |
| [Microsoft Corp](https://search.stillhousedata.com/security/594918104) | — | $107.6M | 823.06% |
| [Amazon.com Inc](https://search.stillhousedata.com/security/023135106) | — | $87.8M | 671.88% |
| [Alphabet Inc](https://search.stillhousedata.com/security/02079K107) | — | $80.6M | 616.45% |
| [Meta Platforms Inc](https://search.stillhousedata.com/security/30303M102) | — | $65.5M | 501.13% |
| [Broadcom Inc](https://search.stillhousedata.com/security/11135F101) | — | $65.5M | 500.85% |
| [Carvana Co](https://search.stillhousedata.com/security/146869102) | — | $46.4M | 354.88% |
| [Eli Lilly & Co](https://search.stillhousedata.com/security/532457108) | — | $39.0M | 298.27% |
| [Visa Inc](https://search.stillhousedata.com/security/92826C839) | — | $36.7M | 280.99% |
| [Tesla Inc](https://search.stillhousedata.com/security/88160R101) | — | $36.3M | 277.37% |
| [Netflix Inc](https://search.stillhousedata.com/security/64110L106) | — | $30.0M | 229.51% |
| [Mastercard Inc](https://search.stillhousedata.com/security/57636Q104) | — | $29.0M | 221.89% |
| [General Electric Co](https://search.stillhousedata.com/security/369604301) | — | $24.4M | 186.48% |
| [Alphabet Inc](https://search.stillhousedata.com/security/02079K305) | — | $20.8M | 158.78% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-03-31 | $1.3B |
| 2025-12-31 | $1.5B |
| 2025-09-30 | $1.5B |
| 2025-06-30 | $1.4B |
| 2025-03-31 | $1.2B |
| 2024-12-31 | $1.4B |
| 2024-09-30 | $1.3B |
| 2024-06-30 | $1.3B |

## More

- [Registrant: NORTHWESTERN MUTUAL SERIES FUND INC](https://search.stillhousedata.com/registrant/742212)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000000056.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.