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BlackRock Advisors, LLC, Management Fees, 1035378.10; C000003953 5000.00 96493462.40 96482400.56 1.0004 1.0004 1.0004 1.0004 7302252.80 11198346.80 19619382.90 16790332.92 9748256.62 6598164.68 4109705.82 10356212.75 41251109.72 46316686.51 0.0000 Y BlackRock Advisors, LLC, Management Fees, 1748.79; BlackRock Investments, LLC, Service/Distribution Fees, 33338.27; C000060559 1.00 103041171.35 103029358.89 1.0004 1.0004 1.0004 1.0004 11446032.24 4418557.81 5247440.27 6180150.54 8617170.00 3787753.47 11265533.99 20511765.76 36611268.25 34898227.58 0.0000 Y BlackRock Advisors, LLC, Management Fees, 1821.19; BlackRock Investments, LLC, Service/Distribution Fees, 74757.24; U.S. Treasury Bills U.S. Treasury Bills 0.101 9127962J7 254900HROIFWPRGM1V77 US9127962J70 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2020-10-01 2020-10-01 2020-10-01 N N N 0.0010 2523354436.65 2523354436.65 0.0415 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.131 9127962Q1 254900HROIFWPRGM1V77 US9127962Q14 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2021-04-22 2021-04-22 2021-04-22 N N N 0.0013 351309163.07 351309163.07 0.0058 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.099 9127962R9 254900HROIFWPRGM1V77 US9127962R96 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2020-10-15 2020-10-15 2020-10-15 N N N 0.0010 784734078.08 784734078.08 0.0129 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.104 9127962S7 254900HROIFWPRGM1V77 US9127962S79 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2020-10-22 2020-10-22 2020-10-22 N N N 0.0010 1989399032.87 1989399032.87 0.0327 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.102 9127962T5 254900HROIFWPRGM1V77 US9127962T52 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2020-10-29 2020-10-29 2020-10-29 N N N 0.0010 954922278.09 954922278.09 0.0157 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.112 9127962Y4 254900HROIFWPRGM1V77 US9127962Y48 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2021-05-20 2021-05-20 2021-05-20 N N N 0.0011 477429613.53 477429613.53 0.0078 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.105 9127962Z1 254900HROIFWPRGM1V77 US9127962Z13 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2020-11-12 2020-11-12 2020-11-12 N N N 0.0011 687255646.00 687255646.00 0.0113 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.108 9127963A5 254900HROIFWPRGM1V77 US9127963A52 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2020-11-19 2020-11-19 2020-11-19 N N N 0.0011 204551734.86 204551734.86 0.0034 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.112 9127963B3 254900HROIFWPRGM1V77 US9127963B36 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2020-11-27 2020-11-27 2020-11-27 N N N 0.0011 119447877.80 119447877.80 0.0020 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.113 9127963J6 254900HROIFWPRGM1V77 US9127963J61 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2020-12-10 2020-12-10 2020-12-10 N N N 0.0011 80109957.81 80109957.81 0.0013 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.121 9127963L1 254900HROIFWPRGM1V77 US9127963L18 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2020-12-24 2020-12-24 2020-12-24 N N N 0.0012 295032844.90 295032844.90 0.0048 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.096 9127963R8 254900HROIFWPRGM1V77 US9127963R87 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2020-09-01 2020-09-01 2020-09-01 N N N 0.0010 527310000.00 527310000.00 0.0087 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.137 9127963S6 254900HROIFWPRGM1V77 US9127963S60 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2021-07-15 2021-07-15 2021-07-15 N N N 0.0014 188016229.70 188016229.70 0.0031 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.126 9127963T4 254900HROIFWPRGM1V77 US9127963T44 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2021-01-07 2021-01-07 2021-01-07 N N N 0.0013 126943556.12 126943556.12 0.0021 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.116 9127963V9 254900HROIFWPRGM1V77 US9127963V99 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2021-01-21 2021-01-21 2021-01-21 N N N 0.0012 599727834.00 599727834.00 0.0099 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.118 9127963W7 254900HROIFWPRGM1V77 US9127963W72 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2021-02-04 2021-02-04 2021-02-04 N N N 0.0012 364814152.95 364814152.95 0.0060 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.082 9127963X5 254900HROIFWPRGM1V77 US9127963X55 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2020-09-08 2020-09-08 2020-09-08 N N N 0.0008 3504616950.81 3504616950.81 0.0576 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.085 9127963Y3 254900HROIFWPRGM1V77 US9127963Y39 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2020-09-15 2020-09-15 2020-09-15 N N N 0.0009 2498797539.03 2498797539.03 0.0411 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.090 9127963Z0 254900HROIFWPRGM1V77 US9127963Z04 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2020-09-22 2020-09-22 2020-09-22 N N N 0.0009 2450272776.15 2450272776.15 0.0403 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.091 9127964A4 254900HROIFWPRGM1V77 US9127964A44 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2020-09-29 2020-09-29 2020-09-29 N N N 0.0009 5304618358.30 5304618358.30 0.0872 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.116 9127964C0 254900HROIFWPRGM1V77 US9127964C00 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2021-02-11 2021-02-11 2021-02-11 N N N 0.0012 500249389.45 500249389.45 0.0082 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.121 9127964D8 254900HROIFWPRGM1V77 US9127964D82 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2021-02-18 2021-02-18 2021-02-18 N N N 0.0012 226751433.91 226751433.91 0.0037 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.096 9127964G1 254900HROIFWPRGM1V77 US9127964G14 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2020-10-06 2020-10-06 2020-10-06 N N N 0.0010 2751739137.92 2751739137.92 0.0452 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.099 9127964H9 254900HROIFWPRGM1V77 US9127964H96 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2020-10-13 2020-10-13 2020-10-13 N N N 0.0010 1566722189.19 1566722189.19 0.0258 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.102 9127964J5 254900HROIFWPRGM1V77 US9127964J52 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2020-10-20 2020-10-20 2020-10-20 N N N 0.0010 1271847539.79 1271847539.79 0.0209 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.107 9127964K2 254900HROIFWPRGM1V77 US9127964K26 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2020-10-27 2020-10-27 2020-10-27 N N N 0.0011 502835901.72 502835901.72 0.0083 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.090 9127964R7 254900HROIFWPRGM1V77 US9127964R78 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2020-11-10 2020-11-10 2020-11-10 N N N 0.0009 706061417.63 706061417.63 0.0116 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.065 9127964S5 254900HROIFWPRGM1V77 US9127964S51 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2020-11-17 2020-11-17 2020-11-17 N N N 0.0007 699902679.00 699902679.00 0.0115 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.080 9127964T3 254900HROIFWPRGM1V77 US9127964T35 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2020-11-24 2020-11-24 2020-11-24 N N N 0.0008 859839463.80 859839463.80 0.0141 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.095 9127964U0 254900HROIFWPRGM1V77 US9127964U08 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2020-12-01 2020-12-01 2020-12-01 N N N 0.0010 82500183.65 82500183.65 0.0014 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.091 9127965D7 254900HROIFWPRGM1V77 US9127965D73 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2020-12-22 2020-12-22 2020-12-22 N N N 0.0009 120641211.00 120641211.00 0.0020 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.126 912796A82 254900HROIFWPRGM1V77 US912796A825 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2021-01-26 2021-01-26 2021-01-26 N N N 0.0013 349821353.00 349821353.00 0.0058 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.111 912796B65 254900HROIFWPRGM1V77 US912796B658 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2021-02-02 2021-02-02 2021-02-02 N N N 0.0011 1542228947.10 1542228947.10 0.0254 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.081 912796TJ8 254900HROIFWPRGM1V77 US912796TJ85 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2020-09-10 2020-09-10 2020-09-10 N N N 0.0008 2141827471.79 2141827471.79 0.0352 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.095 912796TN9 254900HROIFWPRGM1V77 US912796TN97 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2020-10-08 2020-10-08 2020-10-08 N N N 0.0010 3561152695.93 3561152695.93 0.0585 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.102 912796TP4 254900HROIFWPRGM1V77 US912796TP46 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2020-11-05 2020-11-05 2020-11-05 N N N 0.0010 1462929205.58 1462929205.58 0.0241 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.120 912796TU3 254900HROIFWPRGM1V77 US912796TU31 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2020-12-03 2020-12-03 2020-12-03 N N N 0.0012 152417735.85 152417735.85 0.0025 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.121 912796TY5 254900HROIFWPRGM1V77 US912796TY52 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2020-12-31 2020-12-31 2020-12-31 N N N 0.0012 261869337.62 261869337.62 0.0043 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.126 912796XE4 254900HROIFWPRGM1V77 US912796XE43 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2021-02-25 2021-02-25 2021-02-25 N N N 0.0013 437670850.83 437670850.83 0.0072 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.056 912796XH7 254900HROIFWPRGM1V77 US912796XH73 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2020-09-03 2020-09-03 2020-09-03 N N N 0.0006 364793329.24 364793329.24 0.0060 N Y Y N U.S. Treasury Notes U.S. Treasury Notes 1.375 9128282V1 254900HROIFWPRGM1V77 US9128282V18 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's AA+ 2020-09-15 2020-09-15 2020-09-15 N N N 0.0019 464863473.25 464863473.25 0.0076 N Y Y N U.S. Treasury Notes U.S. Treasury Notes 2.000 9128283Q1 254900HROIFWPRGM1V77 US9128283Q14 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's AA+ 2021-01-15 2021-01-15 2021-01-15 N N N 0.0013 77967365.63 77967365.63 0.0013 N Y Y N U.S. Treasury Notes U.S. Treasury Notes 0.145 9128285H9 254900HROIFWPRGM1V77 US9128285H96 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's AA+ 2020-09-01 2020-10-31 2020-10-31 N N N 0.0009 489045853.53 489045853.53 0.0080 N Y Y N U.S. Treasury Notes U.S. Treasury Notes 2.500 9128285S5 254900HROIFWPRGM1V77 US9128285S51 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's AA+ 2020-12-31 2020-12-31 2020-12-31 N N N 0.0019 12424401.56 12424401.56 0.0002 N Y Y N U.S. Treasury Notes U.S. Treasury Notes 0.215 9128285Y2 254900HROIFWPRGM1V77 US9128285Y20 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's AA+ 2020-09-01 2021-01-31 2021-01-31 N N N 0.0012 1242004050.19 1242004050.19 0.0204 N Y Y N U.S. Treasury Notes U.S. Treasury Notes 2.500 9128286D7 254900HROIFWPRGM1V77 US9128286D73 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's AA+ 2021-02-28 2021-02-28 2021-02-28 N N N 0.0019 411753633.83 411753633.83 0.0068 N Y Y N U.S. Treasury Notes U.S. Treasury Notes 0.239 9128286Q8 254900HROIFWPRGM1V77 US9128286Q86 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's AA+ 2020-09-01 2021-04-30 2021-04-30 N N N 0.0013 1029542538.71 1029542538.71 0.0169 N Y Y N U.S. Treasury Notes U.S. Treasury Notes 0.320 9128287G9 254900HROIFWPRGM1V77 US9128287G95 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's AA+ 2020-09-01 2021-07-31 2021-07-31 N N N 0.0013 1592829707.10 1592829707.10 0.0261 N Y Y N U.S. Treasury Notes U.S. Treasury Notes 2.000 912828A42 254900HROIFWPRGM1V77 US912828A420 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's AA+ 2020-11-30 2020-11-30 2020-11-30 N N N 0.0015 50229763.50 50229763.50 0.0008 N Y Y N U.S. Treasury Notes U.S. Treasury Notes 2.375 912828A83 254900HROIFWPRGM1V77 US912828A834 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's AA+ 2020-12-31 2020-12-31 2020-12-31 N N N 0.0013 50200975.78 50200975.78 0.0008 N Y Y N U.S. Treasury Notes U.S. Treasury Notes 2.125 912828B58 254900HROIFWPRGM1V77 US912828B584 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's AA+ 2021-01-31 2021-01-31 2021-01-31 N N N 0.0015 13105625.00 13105625.00 0.0002 N Y Y N U.S. Treasury Notes U.S. Treasury Notes 2.000 912828B90 254900HROIFWPRGM1V77 US912828B907 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's AA+ 2021-02-28 2021-02-28 2021-02-28 N N N 0.0012 60568620.61 60568620.61 0.0010 N Y Y N U.S. Treasury Notes U.S. Treasury Notes 2.250 912828C57 254900HROIFWPRGM1V77 US912828C574 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's AA+ 2021-03-31 2021-03-31 2021-03-31 N N N 0.0021 354265625.00 354265625.00 0.0058 N Y Y N U.S. Treasury Notes U.S. Treasury Notes 1.125 912828P87 254900HROIFWPRGM1V77 US912828P873 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's AA+ 2021-02-28 2021-02-28 2021-02-28 N N N 0.0017 82435996.11 82435996.11 0.0014 N Y Y N U.S. Treasury Notes U.S. Treasury Notes 2.625 912828PC8 254900HROIFWPRGM1V77 US912828PC88 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's AA+ 2020-11-15 2020-11-15 2020-11-15 N N N 0.0016 50359609.06 50359609.06 0.0008 N Y Y N U.S. Treasury Notes U.S. Treasury Notes 3.625 912828PX2 254900HROIFWPRGM1V77 US912828PX26 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's AA+ 2021-02-15 2021-02-15 2021-02-15 N N N 0.0013 40341752.34 40341752.34 0.0007 N Y Y N U.S. Treasury Notes U.S. Treasury Notes 0.400 912828YN4 254900HROIFWPRGM1V77 US912828YN43 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's AA+ 2020-09-01 2021-10-31 2021-10-31 N N N 0.0013 725869375.08 725869375.08 0.0119 N Y Y N U.S. Treasury Notes U.S. Treasury Notes 0.254 912828Z45 254900HROIFWPRGM1V77 US912828Z450 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's AA+ 2020-09-01 2022-01-31 2022-01-31 N N N 0.0014 991726037.70 991726037.70 0.0163 N Y Y N U.S. Treasury Notes U.S. Treasury Notes 0.214 912828ZK9 254900HROIFWPRGM1V77 US912828ZK94 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's AA+ 2020-09-01 2022-04-30 2022-04-30 N N N 0.0016 2030308408.29 2030308408.29 0.0333 N Y Y N U.S. Treasury Notes U.S. Treasury Notes 0.155 91282CAA9 254900HROIFWPRGM1V77 US91282CAA99 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's AA+ 2020-09-01 2022-07-31 2022-07-31 N N N 0.0016 737650966.39 737650966.39 0.0121 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.129 9127962F5 254900HROIFWPRGM1V77 US9127962F58 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2021-03-25 2021-03-25 2021-03-25 N N N 0.0013 1163734468.34 1163734468.34 0.0191 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.088 9127962G3 254900HROIFWPRGM1V77 US9127962G32 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2020-09-17 2020-09-17 2020-09-17 N N N 0.0009 2296355592.94 2296355592.94 0.0378 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.088 9127962H1 254900HROIFWPRGM1V77 US9127962H15 U.S. Treasury Debt Y Fitch Govt Moody's Govt Standard & Poor's A-1+ 2020-09-24 2020-09-24 2020-09-24 N N N 0.0009 1384920362.50 1384920362.50 0.0228 N Y Y N BlackRock Liquidity Funds 2020-09-04 /s/Neal J. Andrews Neal J. Andrews Chief Financial Officer