N-MFP2 0000893818 XXXXXXXX 2017-01-31 0000893818 S000004271 6 N N 033-54126 BlackRock Fund Advisors 801-22609 PricewaterhouseCoopers New York NY BlackRock Institutional Trust Company, N.A. State Street 0001145958 085-11329 Y 0000915092 Prime Money Market Master Portfolio S000004284 N N Prime N 1 1 195226674.75 132772015.88 225265583.41 210991724.44 236226859.70 183768020.32 299261047.41 252990773.66 0.00 0.6884 0.5095 0.5895 0.5697 0.8330 0.7052 0.7832 0.6831 0.0000 0.00 355543164.61 0.00 225078.73 431365.11 355336878.23 355301541.2500 0.0000 0.0080 1.0000 1.0000 1.0001 1.0001 0.0000 C000011975 100000000.00 219872618.64 219852767.1400 1.0000 1.0000 1.0001 1.0001 0.0000 30038735.77 36254997.26 27650843.71 27922400.57 26472786.00 3772070.00 59037482.00 66807365.00 0.00 0.00 185158323.48 179946492.83 0.0068 Y BlackRock Advisors, LLC: Advisor Fee- $730 C000011976 10000000.00 106980150.17 106966251.2900 1.0001 1.0000 1.0001 1.0001 0.0000 1199.96 0.00 0.00 0.00 99996000.00 0.00 0.00 0.00 0.00 0.00 103380771.17 0.00 0.0064 Y BlackRock Advisors, LLC: Advisor Fee- $139 C000011977 1000000.00 100.01 100.0000 1.0000 1.0000 1.0001 1.0001 0.0000 0.00 0.00 0.00 0.00 23237098.27 23237098.27 0.00 0.00 0.00 0.00 23237098.27 23237098.27 0.0000 Y BlackRock Advisors, LLC: Admin Fee- $25, BlackRock Advisors, LLC: FIXED EXPENSE WAIVER-FEEDER- $4 C000011978 100000.00 100.01 100.0000 1.0000 1.0000 1.0001 1.0001 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 C000060668 25000000.00 28483809.39 28482222.8200 1.0000 1.0000 1.0000 1.0000 0.0000 20246.19 225.92 100.00 20000000.00 0.00 4000000.00 0.00 0.00 0.00 0.00 20346.19 39000225.92 0.0066 Y BlackRock Advisors, LLC: Advisor Fee- $185 C000074116 1.00 100.01 100.0000 1.0000 1.0000 1.0001 1.0001 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 Prime Money Market Master Portfolio Prime Money Market Master Portfolio 0.000000% 0000915092 Investment Company Y 2017-02-01 2017-02-01 2017-02-01 N N N 0.0000 355543164.61 355543164.61 1.0000 N Y Y N BlackRock Funds III 2017-02-07 /s/ Neal J. Andrews Neal J. Andrews Chief Financial Officer