X0101 EFFECT 33 LIVE 2015-01-13 0001193125-15-006661 485APOS 0001107414 STATE STREET INSTITUTIONAL INVESTMENT TRUST 333-30810 S000046134 State Street Clarion Global Infrastructure & MLP Fund C000144377 Class A S000046134 State Street Clarion Global Infrastructure & MLP Fund C000144378 Class C S000046134 State Street Clarion Global Infrastructure & MLP Fund C000144379 Class I S000046134 State Street Clarion Global Infrastructure & MLP Fund C000144380 Class K