N-MFP2 0001107414 XXXXXXXX 2024-03-31 0001107414 S000010700 9 N N 333-30810 SSGA Funds Management, Inc. 801-60103 Ernst & Young LLP Boston MA SSGA Funds Management, Inc. SS&C GIDS, Inc. 0000027048 084-00448 Y 0001094885 Money Market Portfolio S000010685 N N Prime N 1 1 5661164731.74 5698518994.10 5240676289.37 4952176146.89 6028358880.07 8467013070.68 8334944768.06 7632081211.03 7015046517.89 9022762745.66 0.3470 0.3551 0.3470 0.3468 0.3750 0.5189 0.5194 0.5054 0.4913 0.5613 0.00 16023356773.74 16023356773.74 0.00 69309810.11 15954046963.63 15950478534.5000 1.0000 0.0553 1.0003 1.0003 1.0003 1.0003 1.0002 C000052881 250000000.00 14345314127.26 14342357628.3500 1.0003 1.0003 1.0003 1.0003 1.0002 2857833757.83 3022549671.59 2143750727.72 1989769212.87 1617205704.91 2459049973.10 2646713086.11 3585403540.13 2952178952.31 1365818298.43 9788291196.79 10085091894.78 0.0541 N C000052882 25000000.00 6491.27 6489.3000 1.0004 1.0004 1.0004 1.0003 1.0003 26.11 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 26.11 0.00 0.0509 N C000143773 25000000.00 385175596.54 385028244.9100 1.0005 1.0005 1.0004 1.0004 1.0004 13906497.83 18446295.74 11866256.44 8330147.59 20794408.16 4286179.17 13645821.23 45654256.52 15124315.28 6991007.50 65591071.16 65328876.04 0.0538 N C000143774 1000.00 283004167.25 282905574.8300 1.0004 1.0004 1.0004 1.0004 1.0003 71338688.08 71114899.58 63998817.05 30993254.08 33095025.13 57498658.93 100535453.21 57326379.83 95514956.58 97240909.85 310176223.97 256733250.69 0.0516 N C000145475 10000000.00 55465606.14 55448936.2600 1.0004 1.0004 1.0004 1.0004 1.0003 6260402.13 6354669.25 2941772.60 11111399.95 4954143.01 879501.22 1292730.10 1725961.05 9107535.89 430554.22 19414772.66 19921527.64 0.0533 N C000172253 15000000.00 697254566.21 696926587.5100 1.0006 1.0006 1.0005 1.0005 1.0005 216592911.82 126974700.51 120666054.82 110536842.18 101104538.61 124675499.09 104905843.36 69071507.17 218830807.85 23798667.62 638333587.67 351538580.60 0.0535 N C000230477 25000000.00 50006.39 50000.0000 1.0002 1.0002 1.0002 1.0002 1.0001 0.00 0.00 7380.77 300000000.00 0.00 0.00 0.00 0.00 0.00 0.00 7380.77 300000000.00 0.0538 N C000231442 25000000.00 0.00 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.0000 N C000231962 25000000.00 187776402.57 187755073.3400 1.0002 1.0002 1.0002 1.0002 1.0001 14157596.54 22928314.05 82317484.22 112557709.50 1323922.84 39995273.89 15905572.69 11419830.27 2585888.81 18015720.81 106471551.56 182489283.53 0.0538 N State Street Money Market Portfolio State Street Money Market Portfolio 0001094885 FSSgADVKM Investment Company Y 2024-04-01 2024-04-01 2024-04-01 N N N 0.0000 16023356773.74 16023356773.74 1.0000 N Y Y N STATE STREET INSTITUTIONAL INVESTMENT TRUST 2024-04-05 /s/ Chad Hallett Chad Hallett Deputy Treasurer