MIEYX — MM S&P 500 Index Fund
Data updated: 2026-08-27
MIEYX — MM S&P 500 Index Fund. United States Large Cap Blend / Core Equity · $2.23B AUM · 0.49% expense ratio. Holdings, fees, performance and SEC filings.
MIEYX Fund Overview
MIEYX — 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: $2.23B
- 1-year return: 21.7%
- Ticker: MIEYX
- SEC CIK: 0000916053
- SEC series ID: S000003661
- Share class ID: C000010195
MIEYX 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 | 7.50% |
| Apple Inc | 6.57% |
| Microsoft Corp | 4.29% |
| Amazon.com Inc | 3.61% |
| Alphabet Inc | 3.24% |
| Broadcom Inc | 2.77% |
| Alphabet Inc | 2.58% |
| Micron Technology Inc | 2.01% |
| Meta Platforms Inc | 1.91% |
| Tesla Inc | 1.83% |
MIEYX 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 | 99.7% |
| Cash & Equivalents | 0.3% |
MIEYX Performance
Total returns for MIEYX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 9.9% |
| 1 year | 21.7% |
| 3 years (annualised) | 20.0% |
| 5 years (annualised) | 12.8% |
MIEYX Risk Information
Risk metrics for MIEYX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 13.0%
MIEYX Costs and Fees
MIEYX costs about $49 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.49%
- Gross expense ratio: 0.49%
- Portfolio turnover: 5%
- Brokerage commissions: 0.16 bps of average net assets (SEC N-CEN)
MIEYX Cashflows
Over the 12 months to 2026-06, MM S&P 500 Index Fund had net outflows of $101.07M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | −$35.81M |
| 2026-05 | −$52.09M |
| 2026-04 | −$14.58M |
| 2026-03 | −$49.01M |
| 2026-02 | −$52.28M |
| 2026-01 | −$20.26M |
MIEYX Debt Constituents
No individual debt constituents are reported in MM S&P 500 Index Fund's latest SEC N-PORT filing.
MIEYX Prospectus and SEC Filings
Official MM S&P 500 Index Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2026-01-30
- Prospectus (485BPOS) — filed 2025-01-31
- Prospectus (485BPOS) — filed 2024-02-02
- Portfolio holdings (N-PORT) — filed 2026-08-27
- Portfolio holdings (N-PORT) — filed 2026-05-27
- Portfolio holdings (N-PORT) — filed 2026-02-26
- Annual census (N-CEN) — filed 2025-12-12
- Annual census (N-CEN) — filed 2024-12-13
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.