Morningstar

MM S&P 500® Index Fund Class R3 MMINX

Morningstar Medalist Rating
Medalist Rating as of | See MassMutual Investment Hub
  • NAV / 1-Day Return 13.67  /  +0.74 %
  • Total Assets 2.2B
  • Adj. Expense Ratio
    0.890%
  • Expense Ratio 0.890%
  • Distribution Fee Level Low
  • Share Class Type Retirement, Medium
  • Category Large Blend
  • Investment Style Large Blend
  • Min. Initial Investment 0
  • Status Open
  • TTM Yield 0.50%
  • Turnover 5%

USD | NAV as of Oct 03, 2026 | 1-Day Return as of Oct 03, 2026, 12:10 AM GMT+0

Morningstar’s Analysis MMINX

Will MMINX outperform in the future?

Get our overall rating based on a fundamental assessment of the pillars below.

  • Process Pillar

    The Process Pillar is our assessment of how sensible, clearly defined, and repeatable MMINX’s performance objective and investment process is for both security selection and portfolio construction.

  • People Pillar

    The People Pillar is our evaluation of the MMINX management team’s experience and ability. We find that high-quality management teams deliver superior performance relative to their benchmarks and/or peers.

  • Parent Pillar

    The Parent Pillar is our rating of MMINX’s parent organization’s priorities and whether they’re in line with investors’ interests.

null Morningstar Automated Analysis

Morningstar Automated Analysis

Summary

MM S&P 500® Index R3 holds a quantitatively derived Neutral Morningstar Medalist Rating. The rating suggests the model does not express a clear expectation of outperformance or underperformance relative to peers over a full market cycle.

by Morningstar Automated Analysis
Rated on Published on

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Portfolio Holdings MMINX

More MMINX Holdings
  • Current Portfolio Date
  • Equity Holdings —
  • Bond Holdings —
  • Other Holdings —
  • % Assets in Top 10 Holdings 36.2
Top 10 Holdings
% Portfolio Weight
Market Value USD
Sector

NVIDIA Corp

7.47 167M
Technology

Apple Inc

6.55 147M
Technology

Microsoft Corp

4.27 96M
Technology

Amazon.com Inc

3.60 80M
Consumer Cyclical

Alphabet Inc Class A

3.23 72M
Communication Services

Broadcom Inc

2.76 62M
Technology

Alphabet Inc Class C

2.57 58M
Communication Services

Micron Technology Inc

2.01 45M
Technology

Meta Platforms Inc Class A

1.91 43M
Communication Services

Tesla Inc

1.83 41M
Consumer Cyclical

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