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2026-09-11 0.0000 2026-09-14 0.0000 2026-09-15 0.0000 2026-09-16 0.0000 2026-09-17 0.0000 2026-09-18 0.0000 2026-09-21 0.0000 2026-09-22 0.0000 2026-09-23 0.0000 2026-09-24 0.0000 2026-09-25 0.0000 2026-09-28 0.0000 2026-09-29 0.0000 2026-09-30 N 0.00 N State Street Treasury Money Market Portfolio State Street Treasury Money Market Portfolio FSSgAK171 549300N64B7W4646YW39 FSSgAK171 Investment Company Y 2026-10-01 2026-10-01 2026-10-01 N N N 0.0000 13076295984.65 13076295984.65 1.0000 N Y Y N STATE STREET INSTITUTIONAL INVESTMENT TRUST 2026-10-07 /s/ Chad Hallett Chad Hallett Deputy Treasurer