SSSWX — State Street Equity 500 Index Fund
Data updated: 2026-08-28
SSSWX — State Street Equity 500 Index Fund. United States Multi-Cap / All-Cap Blend / Core Equity · $16.38B AUM. Holdings, fees, performance and SEC filings.
SSSWX Fund Overview
SSSWX — State Street Equity 500 Index Fund is a US mutual fund managed by State Street Institutional Investment Trust, categorised as United States Multi-Cap / All-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: State Street Institutional Investment Trust
- Category: United States Multi-Cap / All-Cap Blend / Core Equity
- Assets under management: $16.38B
- 1-year return: 22.0%
- Ticker: SSSWX
- SEC CIK: 0001107414
- SEC series ID: S000010695
- Share class ID: C000136667
SSSWX Holdings
Top 1 holdings of State Street Equity 500 Index Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| State Street Equity 500 Index II Portfolio | 100.00% |
SSSWX Portfolio Allocation
Asset-class allocation of State Street Equity 500 Index Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 100.0% |
SSSWX Performance
Total returns for SSSWX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 10.0% |
| 1 year | 22.0% |
| 3 years (annualised) | 20.4% |
| 5 years (annualised) | 13.2% |
SSSWX Risk Information
Risk metrics for SSSWX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 13.1%
SSSWX Costs and Fees
SSSWX costs about $22 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.22%
- Gross expense ratio: 0.29%
- Portfolio turnover: 2%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
SSSWX Cashflows
Over the 12 months to 2026-06, State Street Equity 500 Index Fund had net inflows of $2.06B, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | $78.46M |
| 2026-05 | $378.66M |
| 2026-04 | $304.11M |
| 2026-03 | $203.98M |
| 2026-02 | $188.17M |
| 2026-01 | $99.11M |
SSSWX Debt Constituents
No individual debt constituents are reported in State Street Equity 500 Index Fund's latest SEC N-PORT filing.
SSSWX Prospectus and SEC Filings
Official State Street Equity 500 Index Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2026-04-24
- Prospectus (485BPOS) — filed 2025-04-25
- Prospectus supplement (497) — filed 2024-04-30
- Portfolio holdings (N-PORT) — filed 2026-08-28
- Portfolio holdings (N-PORT) — filed 2026-05-28
- Portfolio holdings (N-PORT) — filed 2026-02-26
- Annual census (N-CEN) — filed 2026-03-12
- Annual census (N-CEN) — filed 2025-03-13
Related Funds
Other United States Multi-Cap / All-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.