# Small Cap Growth Stock Portfolio

Small Cap Growth Stock Portfolio is a registered fund series of NORTHWESTERN MUTUAL SERIES FUND INC (series S000000039). Net assets $732.8M as of 2026-03-31.

## Profile

- Series ID: S000000039
- Registrant: NORTHWESTERN MUTUAL SERIES FUND INC
- LEI: YTR2S467AP5XPLF6CQ13
- Net assets: $732.8M
- Total assets: $733.3M
- As of: 2026-03-31

## Advisers

- [Wellington Management Company LLP (Subadvisor)](https://search.stillhousedata.com/firm/106595)
- [Mason Street Advisors, LLC (Advisor)](https://search.stillhousedata.com/firm/114085)

## Top holdings (175 reported)

_Showing 15 of 175 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [Bloom Energy Corp](https://search.stillhousedata.com/security/093712107) | — | $15.5M | 211.15% |
| [Ensign Group Inc/The](https://search.stillhousedata.com/security/29358P101) | — | $12.4M | 169.81% |
| [Modine Manufacturing Co](https://search.stillhousedata.com/security/607828100) | — | $11.6M | 158.59% |
| [FirstCash Holdings Inc](https://search.stillhousedata.com/security/33768G107) | — | $10.6M | 144.64% |
| [Nextpower Inc](https://search.stillhousedata.com/security/65290E101) | — | $9.8M | 133.42% |
| [SPX Technologies Inc](https://search.stillhousedata.com/security/78473E103) | — | $9.5M | 129.81% |
| [Viavi Solutions Inc](https://search.stillhousedata.com/security/925550105) | — | $9.1M | 124.05% |
| [Bridgebio Pharma Inc](https://search.stillhousedata.com/security/10806X102) | — | $9.0M | 122.64% |
| Credo Technology Group Holding Ltd | — | $8.7M | 119.09% |
| Marex Group PLC | — | $8.3M | 113.25% |
| [Primoris Services Corp](https://search.stillhousedata.com/security/74164F103) | — | $8.1M | 110.99% |
| Fabrinet | — | $7.9M | 107.34% |
| [Moog Inc](https://search.stillhousedata.com/security/615394202) | — | $7.3M | 99.83% |
| [Atmus Filtration Technologies Inc](https://search.stillhousedata.com/security/04956D107) | — | $7.2M | 98.09% |
| [ESCO Technologies Inc](https://search.stillhousedata.com/security/296315104) | — | $7.1M | 97.16% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-03-31 | $732.8M |
| 2025-12-31 | $759.1M |
| 2025-09-30 | $751.7M |
| 2025-06-30 | $700.1M |
| 2025-03-31 | $636.3M |
| 2024-12-31 | $733.0M |
| 2024-09-30 | $752.8M |
| 2024-06-30 | $709.0M |

## 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/S000000039.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.