# MassMutual Mid Cap Growth Fund

MassMutual Mid Cap Growth Fund is a registered fund series of MASSMUTUAL SELECT FUNDS (series S000003665). Net assets $2.8B as of 2026-03-31.

## Profile

- Series ID: S000003665
- Registrant: MASSMUTUAL SELECT FUNDS
- LEI: 549300LPDVDBGPODUD56
- Net assets: $2.8B
- Total assets: $3.0B
- As of: 2026-03-31

## Advisers

- [T. Rowe Price Associates, Inc. (Subadvisor)](https://search.stillhousedata.com/firm/105496)
- [Frontier Capital Management Company LLC (Subadvisor)](https://search.stillhousedata.com/firm/106274)
- [MML Investment Advisers, LLC (Advisor)](https://search.stillhousedata.com/firm/169568)
- [T. Rowe Price Investment Management, Inc. (Subadvisor)](https://search.stillhousedata.com/firm/314590)

## Top holdings (183 reported)

_Showing 15 of 183 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| Fixed Income Clearing Corp. | — | $63.0M | 228.55% |
| [Hilton Worldwide Holdings Inc](https://search.stillhousedata.com/security/43300A203) | — | $55.4M | 201.17% |
| [XPO Inc](https://search.stillhousedata.com/security/983793100) | — | $54.2M | 196.79% |
| [Monolithic Power Systems Inc](https://search.stillhousedata.com/security/609839105) | — | $52.5M | 190.68% |
| [Lattice Semiconductor Corp](https://search.stillhousedata.com/security/518415104) | — | $50.4M | 183.11% |
| [Agilent Technologies Inc](https://search.stillhousedata.com/security/00846U101) | — | $49.5M | 179.74% |
| [Mettler-Toledo International Inc](https://search.stillhousedata.com/security/592688105) | — | $47.1M | 170.92% |
| [Burlington Stores Inc](https://search.stillhousedata.com/security/122017106) | — | $46.7M | 169.60% |
| [Cencora Inc](https://search.stillhousedata.com/security/03073E105) | — | $41.4M | 150.35% |
| [Alnylam Pharmaceuticals Inc](https://search.stillhousedata.com/security/02043Q107) | — | $40.4M | 146.53% |
| Viking Holdings Ltd | — | $40.3M | 146.46% |
| [Yum! Brands Inc](https://search.stillhousedata.com/security/988498101) | — | $37.7M | 136.78% |
| [Keysight Technologies Inc](https://search.stillhousedata.com/security/49338L103) | — | $37.1M | 134.74% |
| [MSCI Inc](https://search.stillhousedata.com/security/55354G100) | — | $36.9M | 134.08% |
| [PTC Inc](https://search.stillhousedata.com/security/69370C100) | — | $36.8M | 133.45% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-03-31 | $2.8B |
| 2025-12-31 | $3.4B |
| 2025-09-30 | $3.8B |
| 2025-06-30 | $4.2B |
| 2025-03-31 | $4.1B |
| 2024-12-31 | $4.8B |
| 2024-09-30 | $5.1B |
| 2024-06-30 | $5.0B |

## More

- [Registrant: MASSMUTUAL SELECT FUNDS](https://search.stillhousedata.com/registrant/916053)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000003665.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.