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LLC 2.510 ZS09YD1 FOR8UP27PHTHYVLBNG30 BRTTUSSU5 U.S. Government Agency Repurchase Agreement, collateralized only by U.S. Government Agency securities, U.S. Treasuries, and cash Y N GINNIE MAE II 2048-10-20 4.500000 3055307.00 3060000.13 Agency Mortgage-Backed Securities Y Fitch F1 Moody's NR Standard & Poor's A-1 2019-06-05 2019-06-05 2019-06-05 N N N 0.0251 3000000.00 3000000.00 0.0248 N N Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 2.339 313384MV8 2549001DPIFGXC1TOL40 US313384MV85 U.S. Government Agency Debt Y Fitch Agency Moody's Agency Standard & Poor's A-1+ 2019-10-11 2019-10-11 2019-10-11 N N N 0.0234 287549.50 287549.50 0.0024 N N N N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 2.341 313384MZ9 2549001DPIFGXC1TOL40 US313384MZ99 U.S. Government Agency Debt Y Fitch Agency Moody's Agency Standard & Poor's A-1+ 2019-10-15 2019-10-15 2019-10-15 N N N 0.0234 262691.85 262691.85 0.0022 N N N N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 2.344 313384NF2 2549001DPIFGXC1TOL40 US313384NF27 U.S. Government Agency Debt Y Fitch Agency Moody's Agency Standard & Poor's A-1+ 2019-10-21 2019-10-21 2019-10-21 N N N 0.0234 520222.50 520222.50 0.0043 N N N N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 2.345 313384NH8 2549001DPIFGXC1TOL40 US313384NH82 U.S. Government Agency Debt Y Fitch Agency Moody's Agency Standard & Poor's A-1+ 2019-10-23 2019-10-23 2019-10-23 N N N 0.0235 698492.85 698492.85 0.0058 N N N N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 2.348 313384NQ8 2549001DPIFGXC1TOL40 US313384NQ81 U.S. Government Agency Debt Y Fitch Agency Moody's Agency Standard & Poor's A-1+ 2019-10-30 2019-10-30 2019-10-30 N N N 0.0235 505060.65 505060.65 0.0042 N N N N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 2.355 313384PE3 2549001DPIFGXC1TOL40 US313384PE34 U.S. Government Agency Debt Y Fitch Agency Moody's Agency Standard & Poor's A-1+ 2019-11-13 2019-11-13 2019-11-13 N N N 0.0235 588695.98 588695.98 0.0049 N N N N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 2.357 313384PM5 2549001DPIFGXC1TOL40 US313384PM59 U.S. Government Agency Debt Y Fitch Agency Moody's Agency Standard & Poor's A-1+ 2019-11-20 2019-11-20 2019-11-20 N N N 0.0236 1216408.50 1216408.50 0.0101 N N N N Federal Farm Credit Bank Variable Rate Notes Federal Farm Credit Bank Variable Rate Notes 2.441 3133EHNT6 US3133EHNT68 U.S. Government Agency Debt Y Fitch Agency Moody's Agency Standard & Poor's AA+ 2019-06-19 2020-06-19 2020-06-19 N N N 0.0247 999834.36 999834.36 0.0083 N N N N Federal Farm Credit Bank Variable Rate Notes Federal Farm Credit Bank Variable Rate Notes 2.474 3133EJ2N8 US3133EJ2N89 U.S. Government Agency Debt Y Fitch Agency Moody's Agency Standard & Poor's AA+ 2019-06-14 2020-12-14 2020-12-14 N N N 0.0248 685005.71 685005.71 0.0057 N N N N Federal Farm Credit Bank Variable Rate Notes Federal Farm Credit Bank Variable Rate Notes 2.417 3133EJNN5 US3133EJNN54 U.S. Government Agency Debt Y Fitch Agency Moody's Agency Standard & Poor's AA+ 2019-06-07 2020-02-07 2020-02-07 N N N 0.0245 1544463.55 1544463.55 0.0128 N N N N Federal Farm Credit Bank Variable Rate Notes Federal Farm Credit Bank Variable Rate Notes 2.382 3133EJXD6 US3133EJXD62 U.S. Government Agency Debt Y Fitch Agency Moody's Agency Standard & Poor's AA+ 2019-06-17 2020-08-17 2020-08-17 N N N 0.0247 454628.21 454628.21 0.0038 N N N N Federal Farm Credit Bank Variable Rate Notes Federal Farm Credit Bank Variable Rate Notes 2.413 3133EJZA0 US3133EJZA06 U.S. Government Agency Debt Y Fitch Agency Moody's Agency Standard & Poor's AA+ 2019-06-11 2020-09-11 2020-09-11 N N N 0.0247 544590.73 544590.73 0.0045 N N N N Federal Farm Credit Bank Variable Rate Notes Federal Farm Credit Bank Variable Rate Notes 2.483 3133EKGX8 US3133EKGX82 U.S. Government Agency Debt Y Fitch Agency Moody's Agency Standard & Poor's AA+ 2019-06-16 2021-04-16 2021-04-16 N N N 0.0251 699856.40 699856.40 0.0058 N N N N JP Morgan Securities LLC JP Morgan Securities LLC 2.480 ZS09ZSY ZBUT11V806EZRVTWT807 BRTTY2EB5 U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash Y N UNITED STATES TREASURY 254900HROIFWPRGM1V77 2048-05-15 0.000000 23.00 10.51 U.S. Treasuries (including strips) UNITED STATES TREASURY 254900HROIFWPRGM1V77 2019-08-15 0.000000 70.40 70.08 U.S. Treasuries (including strips) UNITED STATES TREASURY 254900HROIFWPRGM1V77 2040-08-15 0.000000 89.60 51.57 U.S. Treasuries (including strips) UNITED STATES TREASURY 254900HROIFWPRGM1V77 2042-08-15 0.000000 89.60 48.40 U.S. Treasuries (including strips) UNITED STATES TREASURY 254900HROIFWPRGM1V77 2021-08-15 0.000000 9000.00 8613.85 U.S. Treasuries (including strips) UNITED STATES TREASURY 254900HROIFWPRGM1V77 2020-02-15 0.000000 41000.00 40336.09 U.S. Treasuries (including strips) UNITED 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Variable Rate Notes Federal Home Loan Mortgage Corp. Variable Rate Notes 2.367 3134GSDS1 S6XOOCT0IEG5ABCC6L87 US3134GSDS16 U.S. Government Agency Debt Y Fitch Agency Moody's Agency Standard & Poor's AA+ 2019-06-08 2019-08-08 2019-08-08 N N N 0.0240 964912.25 964912.25 0.0080 N N N N Mizuho Securities USA LLC Mizuho Securities USA LLC 2.490 ZS09ZTD 7TK5RJIZDFROZCA6XF66 BRTTY2DG5 U.S. Government Agency Repurchase Agreement, collateralized only by U.S. Government Agency securities, U.S. Treasuries, and cash Y N UNITED STATES TREASURY 254900HROIFWPRGM1V77 2025-08-31 2.750000 3662100.00 3825045.14 U.S. Treasuries (including strips) Y Fitch NR Moody's P-1 Standard & Poor's A-1 2019-06-03 2019-06-03 2019-06-03 N N N 0.0249 3750000.00 3750000.00 0.0310 N Y Y N Wells Fargo Securities LLC Wells Fargo Securities LLC 2.470 ZS09ZTR VYVVCKR63DVZZN70PB21 BRTTY2EP4 U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash Y N 2 5/8 NOTE AU 21 2021-12-15 2.625000 4967800.00 5100048.57 U.S. Treasuries (including strips) Y Fitch NR Moody's NR Standard & Poor's A-1 2019-06-03 2019-06-03 2019-06-03 N N N 0.0247 5000000.00 5000000.00 0.0413 N Y Y N Federal National Mortgage Association Federal National Mortgage Association 0.875 3135G0N33 B1V7KEBTPIMZEU4LTD58 US3135G0N339 U.S. Government Agency Debt Y Fitch Agency Moody's Agency Standard & Poor's AA+ 2019-08-02 2019-08-02 2019-08-02 N N N 0.0242 728096.18 728096.18 0.0060 N N N N Bank of America Securities, Inc. Bank of America Securities, Inc. 2.500 ZS09ZV3 549300HN4UKV1E2R3U73 BRTTY2DF7 U.S. Government Agency Repurchase Agreement, collateralized only by U.S. Government Agency securities, U.S. Treasuries, and cash Y N HMBK_94-29 2068-12-20 3.690000 10312681.00 10200000.20 Asset-Backed Securities Y Fitch F1+ Moody's NR Standard & Poor's A-1 2019-06-03 2019-06-03 2019-06-03 N N N 0.0250 10000000.00 10000000.00 0.0827 N Y Y N BNP Paribas SA BNP Paribas SA 2.500 ZS09ZVF R0MUWSFPU8MPRO8K5P83 BRTTY2DJ9 U.S. Government Agency Repurchase Agreement, collateralized only by U.S. Government Agency securities, U.S. Treasuries, and cash Y N GINNIE MAE II 2049-04-20 4.000000 292478.00 302732.22 Agency Mortgage-Backed Securities GINNIE MAE II 2048-08-20 3.500000 747054.00 717267.89 Agency Mortgage-Backed Securities Y Fitch F1 Moody's P-1 Standard & Poor's A-1 2019-06-03 2019-06-03 2019-06-03 N N N 0.0250 1000000.00 1000000.00 0.0083 N Y Y N TD Securities USA LLC TD Securities USA LLC 2.470 ZS09ZVJ SUVUFHICNZMP2WKHG940 BRTTY2EN9 U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash Y N 2 7/8 NOTE AF 23 2023-11-30 2.875000 4857000.00 5100073.50 U.S. Treasuries (including strips) Y Fitch NR Moody's NR Standard & Poor's A-1+ 2019-06-03 2019-06-03 2019-06-03 N N N 0.0247 5000000.00 5000000.00 0.0413 N Y Y N BlackRock SeriesFund 2019-06-06 /s/Neal J. Andrews Neal J. Andrews Chief Financial Officer