SSASX — State Street Income Fund
Data updated: 2026-08-28
SSASX — State Street Income Fund. Long Total / Aggregate Bond · $272.71M AUM · 0.33% expense ratio. Holdings, fees, performance and SEC filings.
SSASX Fund Overview
SSASX — State Street Income Fund is a US mutual fund managed by State Street Institutional Investment Trust, categorised as Long Total / Aggregate Bond. 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: Long Total / Aggregate Bond
- Assets under management: $272.71M
- 1-year return: 3.5%
- Ticker: SSASX
- SEC CIK: 0001107414
- SEC series ID: S000071465
- Share class ID: C000226666
SSASX Holdings
Top 10 holdings of State Street Income Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| State Street Global Advisors | 22.38% |
| Umbs, Tba | 5.47% |
| Umbs, Tba | 5.03% |
| United States Treasury | 4.64% |
| United States Treasury | 2.85% |
| United States Treasury | 2.29% |
| Umbs, Tba | 2.28% |
| United States Treasury | 2.24% |
| United States Treasury | 2.14% |
| United States Treasury | 2.06% |
SSASX Portfolio Allocation
Asset-class allocation of State Street Income Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 54.4% |
| Securitized | 37.5% |
| Cash & Equivalents | 22.4% |
| Real Estate | 0.1% |
SSASX Performance
Total returns for SSASX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 0.3% |
| 1 year | 3.5% |
| 3 years (annualised) | 3.9% |
| 5 years (annualised) | -0.2% |
SSASX Risk Information
Risk metrics for SSASX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 3.3%
SSASX Costs and Fees
SSASX costs about $33 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.33%
- Gross expense ratio: 0.33%
- Portfolio turnover: 28%
- Brokerage commissions: 0.16 bps of average net assets (SEC N-CEN)
SSASX Cashflows
Over the 12 months to 2026-06, State Street Income Fund had net outflows of $418.44M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | −$1.48M |
| 2026-05 | −$1.16M |
| 2026-04 | −$387.56M |
| 2026-03 | −$485.35K |
| 2026-02 | −$1.22M |
| 2026-01 | −$1.59M |
SSASX Debt Constituents
Largest debt holdings of State Street Income Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| United States Treasury | 4.64% |
| United States Treasury | 2.85% |
| United States Treasury | 2.29% |
| United States Treasury | 2.24% |
| United States Treasury | 2.14% |
| United States Treasury | 2.06% |
| United States Treasury | 1.84% |
| United States Treasury | 1.49% |
| United States Treasury | 1.43% |
| United States Treasury | 1.42% |
SSASX Prospectus and SEC Filings
Official State Street Income Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2026-01-23
- Prospectus (485BPOS) — filed 2025-01-24
- Prospectus supplement (497) — filed 2026-04-30
- 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 2025-12-11
- Annual census (N-CEN) — filed 2024-12-12
Related Funds
Other Long Total / Aggregate Bond 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.