N-MFP2 0001107414 XXXXXXXX 2020-01-31 0001107414 S000019117 5 N N 333-30810 SSGA Funds Management, Inc. 801-60103 Ernst & Young LLP Boston MA SSGA Funds Management, Inc. DST Asset Manager Solutions, Inc. 0000275143 084-00896 Y 0001094885 Treasury Money Market Portfolio S000019933 N N Exempt Government N 1 1 12728526934.12 12564549520.59 13562376931.97 13779825807.66 13566057979.65 12728526934.12 12564549520.59 13562376931.97 13779825807.66 13566057979.65 0.9986 0.9984 0.9984 0.9983 0.9992 0.9986 0.9984 0.9984 0.9983 0.9992 0.00 12629545799.27 12629545799.27 179.60 17855027.98 12611690950.89 12611625812.6400 1.0000 0.0164 1.0002 1.0002 1.0002 1.0002 1.0002 C000052877 250000000.00 12016835664.50 12016779194.4000 1.0002 1.0002 1.0002 1.0002 1.0002 1462824233.51 2105255306.99 1797621285.67 2000882888.45 2925425423.79 2126516304.09 2098048900.02 1742757067.88 2201127954.19 2590410050.26 9663249136.25 9444560232.22 0.0152 N C000052878 25000000.00 404325885.36 404317279.1400 1.0002 1.0002 1.0002 1.0002 1.0002 32886625.30 8089100.16 6059094.89 33942515.08 9404726.60 3838230.68 6703753.85 11161472.09 24988217.95 5572602.76 52402359.54 54675059.80 0.0122 Y SSGA Funds Management Management Fees 17,203 C000143780 50000.00 50000.23 50000.0000 1.0002 1.0002 1.0001 1.0002 1.0002 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.0127 N C000143781 50000.00 9046230.62 9045934.7700 1.0002 1.0002 1.0001 1.0002 1.0002 29138100.13 47625663.96 32887624.04 39104955.59 39540227.69 21628451.38 6495138.38 14559033.68 31077224.83 53109597.30 133824666.09 148382025.92 0.0149 N C000143782 10000000.00 181433170.18 181433404.3300 1.0002 1.0002 1.0001 1.0002 1.0002 84332270.70 52077252.60 16634754.15 16631774.97 64358661.06 39036917.48 135397094.39 129925513.38 30265835.50 82796296.62 327151650.67 276549522.60 0.0144 N State Street Treasury Money Market Portfolio State Street Treasury Money Market Portfolio FSSgAK171 Investment Company Y 2020-02-03 2020-02-03 2020-02-03 N N N 0.0000 12629545799.27 12629545799.27 1.0000 N Y Y N STATE STREET INSTITUTIONAL INVESTMENT TRUST 2020-02-07 /s/ Chad Hallett Chad Hallett Deputy Treasurer