SSBIX — State Street Balanced Index Fund
Data updated: 2026-08-28
SSBIX — State Street Balanced Index Fund. United States Large Cap Blend / Core Equity · $618.18M AUM. Holdings, fees, performance and SEC filings.
SSBIX Fund Overview
SSBIX — State Street Balanced Index Fund is a US mutual fund managed by State Street Institutional Investment Trust, 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: State Street Institutional Investment Trust
- Category: United States Large Cap Blend / Core Equity
- Assets under management: $618.18M
- 1-year return: 15.3%
- Ticker: SSBIX
- SEC CIK: 0001107414
- SEC series ID: S000082802
- Share class ID: C000246124
SSBIX Holdings
Top 10 holdings of State Street Balanced Index Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| State Street Aggregate Bond Index Portfolio | 36.56% |
| NVIDIA Corp | 4.18% |
| Apple Inc | 3.67% |
| Microsoft Corp | 2.39% |
| Amazon.com Inc | 2.01% |
| Alphabet Inc | 1.81% |
| Broadcom Inc | 1.54% |
| Alphabet Inc | 1.44% |
| Micron Technology Inc | 1.12% |
| Meta Platforms Inc | 1.07% |
SSBIX Portfolio Allocation
Asset-class allocation of State Street Balanced Index Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 99.5% |
| Cash & Equivalents | 1.0% |
SSBIX Performance
Total returns for SSBIX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 7.0% |
| 1 year | 15.3% |
| 3 years (annualised) | 17.8% |
SSBIX Risk Information
Risk metrics for SSBIX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 8.2%
SSBIX Costs and Fees
SSBIX costs about $5 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.05%
- Gross expense ratio: 0.15%
- Portfolio turnover: 7%
- Brokerage commissions: 0.04 bps of average net assets (SEC N-CEN)
SSBIX Cashflows
Over the 12 months to 2026-06, State Street Balanced Index Fund had net outflows of $23.26M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | −$5.67M |
| 2026-05 | −$10.60M |
| 2026-04 | −$5.42M |
| 2026-03 | $411.08K |
| 2026-02 | −$4.99M |
| 2026-01 | −$6.16M |
SSBIX Debt Constituents
No individual debt constituents are reported in State Street Balanced Index Fund's latest SEC N-PORT filing.
SSBIX Prospectus and SEC Filings
Official State Street Balanced 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 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.