SSDOX — State Street Target Retirement 2055 Fund
Data updated: 2026-05-28
SSDOX — State Street Target Retirement 2055 Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Target Date / Glide Path Allocation · $2.15B AUM · 0.29% expense ratio · 19.8% 1-yr return. From SEC regulatory filings.
SSDOX Fund Overview
SSDOX — State Street Target Retirement 2055 Fund is a US mutual fund managed by State Street Institutional Investment Trust, categorised as Target Date / Glide Path Allocation. 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: Target Date / Glide Path Allocation
- Assets under management: $2.15B
- 1-year return: 19.8%
- Ticker: SSDOX
- SEC CIK: 0001107414
- SEC series ID: S000046024
- Share class ID: C000143832
SSDOX Holdings
Top 5 holdings of State Street Target Retirement 2055 Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| State Street Global All Cap Equity ex-U.S. Index Portfolio | 39.37% |
| State Street Equity 500 Index II Portfolio | 37.58% |
| State Street Small/Mid Cap Equity Index Portfolio | 12.93% |
| State Street SPDR Portfolio Long Term Treasury ETF | 9.44% |
| State Street Global Advisors | 0.25% |
SSDOX Portfolio Allocation
Asset-class allocation of State Street Target Retirement 2055 Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 99.3% |
| Cash & Equivalents | 0.3% |
SSDOX Performance
Total returns for SSDOX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | -1.4% |
| 1 year | 19.8% |
| 3 years (annualised) | 14.5% |
| 5 years (annualised) | 7.2% |
SSDOX Risk Information
Risk metrics for SSDOX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 10.3%
SSDOX Costs and Fees
SSDOX costs about $29 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.29%
- Gross expense ratio: 0.36%
- Portfolio turnover: 17%
- Brokerage commissions: 0.32 bps of average net assets (SEC N-CEN)
SSDOX Cashflows
Over the 12 months to 2026-03, State Street Target Retirement 2055 Fund had net inflows of $248.82M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | $75.10M |
| 2026-02 | $22.14M |
| 2026-01 | −$5.62M |
| 2025-12 | $107.79M |
| 2025-11 | −$10.82M |
| 2025-10 | $7.73M |
SSDOX Debt Constituents
No individual debt constituents are reported in State Street Target Retirement 2055 Fund's latest SEC N-PORT filing.
SSDOX Prospectus and SEC Filings
Official State Street Target Retirement 2055 Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Target Date / Glide Path Allocation 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.