STATE STREET INSTITUTIONAL INVESTMENT TRUST

STATE STREET INSTITUTIONAL INVESTMENT TRUST (CIK 1107414) is an SEC-registered fund company with 30 reporting fund series and $97.3B in net assets as of 2026-03-31.

Registrant

Fund series (30)

Showing 25 of 30 series.

SeriesNet assets
State Street Equity 500 Index II Portfolio$21.1B
State Street Equity 500 Index Fund$13.5B
State Street Global All Cap Equity ex-U.S. Index Portfolio$11.1B
State Street Aggregate Bond Index Portfolio$6.2B
STATE STREET HEDGED INTERNATIONAL DEVELOPED EQUITY INDEX FUND$4.3B
State Street Global All Cap Equity ex-U.S. Index Fund$3.9B
State Street U.S. Core Equity Fund$3.7B
State Street Target Retirement 2035 Fund$3.6B
State Street Target Retirement 2040 Fund$3.4B
State Street Target Retirement 2030 Fund$3.3B
State Street Aggregate Bond Index Fund$3.3B
State Street Target Retirement 2045 Fund$3.2B
State Street Target Retirement 2050 Fund$2.7B
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO$2.6B
State Street Target Retirement 2055 Fund$2.2B
State Street Target Retirement 2025 Fund$1.9B
State Street Target Retirement 2060 Fund$1.6B
State Street Target Retirement Fund$1.4B
State Street Target Retirement 2020 Fund$801.7M
STATE STREET SMALL/MID CAP EQUITY INDEX FUND$767.4M
State Street Income Fund$664.2M
STATE STREET EMERGING MARKETS EQUITY INDEX FUND$646.7M
State Street Balanced Index Fund$583.8M
State Street Target Retirement 2065 Fund$554.6M
State Street Target Retirement 2015 Fund$280.6M

Largest reported holdings (across all series)

HoldingValue
State Street Equity 500 Index II Portfolio$13.5B

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