MMIEX — MM S&P 500 Index Fund
Data updated: 2026-05-27
MMIEX — MM S&P 500 Index Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. United States Large Cap Blend / Core Equity · $2.03B AUM · 0.39% expense ratio · 17.3% 1-yr return. From SEC regulatory filings.
MMIEX Fund Overview
MMIEX — MM S&P 500 Index Fund is a US mutual fund managed by Massmutual Select Funds, categorised as United States Large Cap Blend / Core Equity. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Massmutual Select Funds
- Category: United States Large Cap Blend / Core Equity
- Assets under management: $2.03B
- 1-year return: 17.3%
- Ticker: MMIEX
- SEC CIK: 0000916053
- SEC series ID: S000003661
- Share class ID: C000010194
MMIEX Holdings
Top 10 holdings of MM S&P 500 Index Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| NVIDIA Corp | 7.57% |
| Apple Inc | 6.66% |
| Microsoft Corp | 4.91% |
| Amazon.com Inc | 3.64% |
| Alphabet Inc | 2.99% |
| Broadcom Inc | 2.62% |
| Alphabet Inc | 2.40% |
| Meta Platforms Inc | 2.24% |
| Tesla Inc | 1.87% |
| Berkshire Hathaway Inc | 1.57% |
MMIEX Portfolio Allocation
Asset-class allocation of MM S&P 500 Index Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 99.9% |
| Cash & Equivalents | 0.1% |
MMIEX Performance
Total returns for MMIEX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | -4.4% |
| 1 year | 17.3% |
| 3 years (annualised) | 17.8% |
| 5 years (annualised) | 11.6% |
MMIEX Risk Information
Risk metrics for MMIEX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 10.3%
MMIEX Costs and Fees
MMIEX costs about $39 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.39%
- Gross expense ratio: 0.39%
- Portfolio turnover: 5%
- Brokerage commissions: 0.16 bps of average net assets (SEC N-CEN)
MMIEX Cashflows
Over the 12 months to 2026-03, MM S&P 500 Index Fund had net outflows of $130.35M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | −$49.01M |
| 2026-02 | −$52.28M |
| 2026-01 | −$20.26M |
| 2025-12 | $316.01M |
| 2025-11 | −$32.13M |
| 2025-10 | −$6.28M |
MMIEX Debt Constituents
No individual debt constituents are reported in MM S&P 500 Index Fund's latest SEC N-PORT filing.
MMIEX Prospectus and SEC Filings
Official MM S&P 500 Index Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other United States Large Cap Blend / Core Equity funds tracked on ABC INVEST:
Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.