SSMHX — State Street Small/mid Cap Equity Index Portfolio
Data updated: 2026-08-28
SSMHX — State Street Small/mid Cap Equity Index Portfolio. United States Mid Cap Blend / Core Equity. Holdings, fees, performance and SEC filings.
SSMHX Fund Overview
SSMHX — State Street Small/mid Cap Equity Index Portfolio is a US mutual fund managed by State Street Institutional Investment Trust, categorised as United States Mid 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 Mid Cap Blend / Core Equity
- Assets under management: $3.10B
- 1-year return: 29.1%
- Ticker: SSMHX
- SEC CIK: 0001107414
- SEC series ID: S000050332
- Share class ID: C000158904
SSMHX Holdings
Top 10 holdings of State Street Small/mid Cap Equity Index Portfolio by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| State Street Global Advisors | 5.91% |
| Space Exploration Technologies Corp | 1.00% |
| Snowflake Inc | 0.95% |
| Bloom Energy Corp | 0.91% |
| Cloudflare Inc | 0.87% |
| Astera Labs Inc | 0.82% |
| Spotify Technology SA | 0.81% |
| Rocket Lab Corp | 0.61% |
| Cheniere Energy Inc | 0.56% |
| NU Holdings Ltd/Cayman Islands | 0.52% |
SSMHX Portfolio Allocation
Asset-class allocation of State Street Small/mid Cap Equity Index Portfolio by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 98.4% |
| Cash & Equivalents | 5.9% |
SSMHX Performance
Total returns for SSMHX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 17.9% |
| 1 year | 29.1% |
| 3 years (annualised) | 20.1% |
| 5 years (annualised) | 7.4% |
SSMHX Risk Information
Risk metrics for SSMHX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 11.9%
SSMHX Costs and Fees
SSMHX costs about $1 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.01%
- Gross expense ratio: 0.01%
- Portfolio turnover: 26%
- Brokerage commissions: 0.54 bps of average net assets (SEC N-CEN)
SSMHX Cashflows
Over the 12 months to 2026-06, State Street Small/mid Cap Equity Index Portfolio had net inflows of $133.54M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | $13.24M |
| 2026-05 | $15.00M |
| 2026-04 | −$49.95M |
| 2026-03 | $53.45M |
| 2026-02 | $9.64M |
| 2026-01 | $16.99M |
SSMHX Debt Constituents
No individual debt constituents are reported in State Street Small/mid Cap Equity Index Portfolio's latest SEC N-PORT filing.
SSMHX Prospectus and SEC Filings
Official State Street Small/mid Cap Equity Index Portfolio 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 Mid 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.