# MassMutual Blue Chip Growth Fund — new fund registration MASSMUTUAL SELECT FUNDS registered fund series on Form 485APOS, filed 2025-12-03. Featured series: MassMutual Blue Chip Growth Fund. ## Registration - Registrant / trust: MASSMUTUAL SELECT FUNDS - CIK: 0000916053 - Form: 485APOS - Filed: 2025-12-03 - State of incorporation: MA - Accession: 0001133228-25-013141 - Reported net assets: $1.8B ## Series & classes (47) _Showing 25 of 47 series/class rows._ | Series | Class | Ticker | New | | --- | --- | --- | --- | | [MassMutual Blue Chip Growth Fund](https://search.stillhousedata.com/fund/S000003658) | Class A | MBCGX | — | | [MassMutual Blue Chip Growth Fund](https://search.stillhousedata.com/fund/S000003658) | Administrative Class | MBCLX | — | | [MassMutual Blue Chip Growth Fund](https://search.stillhousedata.com/fund/S000003658) | Class R3 | MBCNX | — | | [MassMutual Blue Chip Growth Fund](https://search.stillhousedata.com/fund/S000003658) | Class R5 | MBCSX | — | | [MassMutual Blue Chip Growth Fund](https://search.stillhousedata.com/fund/S000003658) | Service Class | MBCYX | — | | [MassMutual Blue Chip Growth Fund](https://search.stillhousedata.com/fund/S000003658) | Class I | MBCZX | — | | [MassMutual Blue Chip Growth Fund](https://search.stillhousedata.com/fund/S000003658) | Class R4 | MBGFX | — | | [MassMutual Blue Chip Growth Fund](https://search.stillhousedata.com/fund/S000003658) | Class Y | MMZMX | — | | [MM S&P 500 Index Fund](https://search.stillhousedata.com/fund/S000003661) | Class R4 | MIEAX | — | | [MM S&P 500 Index Fund](https://search.stillhousedata.com/fund/S000003661) | Class R3 | MMINX | — | | [MM S&P 500 Index Fund](https://search.stillhousedata.com/fund/S000003661) | Service Class | MMIEX | — | | [MM S&P 500 Index Fund](https://search.stillhousedata.com/fund/S000003661) | Administrative Class | MIEYX | — | | [MM S&P 500 Index Fund](https://search.stillhousedata.com/fund/S000003661) | Class R5 | MIEZX | — | | [MM S&P 500 Index Fund](https://search.stillhousedata.com/fund/S000003661) | Class I | MMIZX | — | | [MM S&P 500 Index Fund](https://search.stillhousedata.com/fund/S000003661) | Class A | MMFFX | — | | [MassMutual Mid Cap Growth Fund](https://search.stillhousedata.com/fund/S000003665) | Class A | MEFAX | — | | [MassMutual Mid Cap Growth Fund](https://search.stillhousedata.com/fund/S000003665) | Administrative Class | MMELX | — | | [MassMutual Mid Cap Growth Fund](https://search.stillhousedata.com/fund/S000003665) | Class R3 | MEFNX | — | | [MassMutual Mid Cap Growth Fund](https://search.stillhousedata.com/fund/S000003665) | Class R5 | MGRFX | — | | [MassMutual Mid Cap Growth Fund](https://search.stillhousedata.com/fund/S000003665) | Service Class | MEFYX | — | | [MassMutual Mid Cap Growth Fund](https://search.stillhousedata.com/fund/S000003665) | Class I | MEFZX | — | | [MassMutual Mid Cap Growth Fund](https://search.stillhousedata.com/fund/S000003665) | Class R4 | MEFFX | — | | [MassMutual Mid Cap Growth Fund](https://search.stillhousedata.com/fund/S000003665) | Class Y | MMNGX | — | | [MassMutual Overseas Fund](https://search.stillhousedata.com/fund/S000003667) | Class A | MOSAX | — | | [MassMutual Overseas Fund](https://search.stillhousedata.com/fund/S000003667) | Administrative Class | MOSLX | — | ## Fees (from the effective prospectus) - 12b-1 fee: 0.25% - Gross expense ratio: 1.16% - Management fee: 0.62% - Net expense ratio: 1.19% - Other expenses: 0.29% ## Investment objective This Fund seeks growth of capital over the long-term. ## Advisers - [MML Investment Advisers, LLC (Advisor)](https://search.stillhousedata.com/firm/169568) - [Loomis, Sayles & Company, L.P. (Subadvisor)](https://search.stillhousedata.com/firm/105377) - [T. Rowe Price Associates, Inc. (Subadvisor)](https://search.stillhousedata.com/firm/105496) ## Other filings by this registrant (15) - [485APOS — 2022-11-18 (29 new series)](https://search.stillhousedata.com/launch/0001104659-22-120210) - [485APOS — 2021-12-03](https://search.stillhousedata.com/launch/0001104659-21-146373) - [485APOS — 2020-12-03](https://search.stillhousedata.com/launch/0001104659-20-132051) - [485APOS — 2019-12-03](https://search.stillhousedata.com/launch/0001104659-19-069592) - [485APOS — 2018-12-03](https://search.stillhousedata.com/launch/0001144204-18-062888) - [485APOS — 2017-12-01](https://search.stillhousedata.com/launch/0001193125-17-359059) - [485APOS — 2017-10-27 (60 new series)](https://search.stillhousedata.com/launch/0001193125-17-322886) - [485APOS — 2017-10-27](https://search.stillhousedata.com/launch/0001193125-17-323252) - [485APOS — 2016-09-22](https://search.stillhousedata.com/launch/0001193125-16-717186) - [485APOS — 2015-12-03](https://search.stillhousedata.com/launch/0001193125-15-394308) - [485APOS — 2015-09-09 (7 new series)](https://search.stillhousedata.com/launch/0001193125-15-315969) - [485APOS — 2015-01-30](https://search.stillhousedata.com/launch/0001193125-15-027824) ## More - [Registrant profile: MASSMUTUAL SELECT FUNDS](https://search.stillhousedata.com/registrant/916053) - [This page as markdown (for LLM agents)](https://search.stillhousedata.com/launch/0001133228-25-013141.md) - [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/) --- 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.