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Securities FEDERAL NATIONAL MORTGAGE ASSOCIATION B1V7KEBTPIMZEU4LTD58 31405AU68 2034-06-01 5 N/A 15000.00 81.79 Agency Mortgage-Backed Securities FEDERAL HOME LOAN MORTGAGE CORPORATION S6XOOCT0IEG5ABCC6L87 31426FSN8 2055-03-01 6.5 N/A 1024.00 1054.95 Agency Mortgage-Backed Securities GOVERNMENT NATIONAL MORTGAGE ASSOCIATION 2 N/A 36179X2J4 2053-05-20 4.5 N/A 45582.00 38509.88 Agency Mortgage-Backed Securities FEDERAL HOME LOAN MORTGAGE CORPORATION S6XOOCT0IEG5ABCC6L87 3132XFLZ9 2032-11-01 1.22 N/A 1000.00 775.47 Agency Mortgage-Backed Securities FEDERAL HOME LOAN MORTGAGE CORPORATION S6XOOCT0IEG5ABCC6L87 3131XRY24 2045-06-01 3.5 N/A 1000.00 166.57 Agency Mortgage-Backed Securities GOVERNMENT NATIONAL MORTGAGE ASSOCIATION 2 N/A 36179YPG3 2054-01-20 5.5 N/A 8331062.00 7070782.93 Agency Mortgage-Backed Securities GOVERNMENT NATIONAL MORTGAGE ASSOCIATION 2 N/A 36179XVT0 2053-03-20 5.5 N/A 179784.00 137149.82 Agency Mortgage-Backed Securities GOVERNMENT NATIONAL MORTGAGE ASSOCIATION 2 N/A 36179TAJ4 2047-06-20 3 N/A 31025.00 4319.52 Agency Mortgage-Backed Securities FEDERAL NATIONAL MORTGAGE ASSOCIATION B1V7KEBTPIMZEU4LTD58 31405FSX1 2029-04-01 6.5 N/A 49000.00 13.55 Agency Mortgage-Backed Securities FEDERAL HOME LOAN MORTGAGE CORPORATION S6XOOCT0IEG5ABCC6L87 3132A5H81 2048-02-01 3.5 N/A 1000.00 119.78 Agency Mortgage-Backed Securities FEDERAL NATIONAL MORTGAGE ASSOCIATION B1V7KEBTPIMZEU4LTD58 31406FR86 2035-01-01 5 N/A 5000.00 56.95 Agency Mortgage-Backed Securities FEDERAL NATIONAL MORTGAGE ASSOCIATION B1V7KEBTPIMZEU4LTD58 31418CEF7 2046-12-01 3 N/A 1000.00 187.76 Agency Mortgage-Backed Securities FEDERAL HOME LOAN MORTGAGE CORPORATION S6XOOCT0IEG5ABCC6L87 3133CYXE3 2054-11-01 6.5 N/A 1000.00 1033.05 Agency Mortgage-Backed Securities GOVERNMENT NATIONAL MORTGAGE ASSOCIATION 2 N/A 3622AAYN8 2051-02-20 2 N/A 10365.00 4748.90 Agency Mortgage-Backed Securities FEDERAL HOME LOAN MORTGAGE CORPORATION S6XOOCT0IEG5ABCC6L87 3133D1TM1 2054-11-01 5.5 N/A 1000.00 970.50 Agency Mortgage-Backed Securities FEDERAL HOME LOAN MORTGAGE CORPORATION S6XOOCT0IEG5ABCC6L87 3132DQAM8 2049-08-01 4.5 N/A 1006.00 767.46 Agency Mortgage-Backed Securities GOVERNMENT NATIONAL MORTGAGE ASSOCIATION 2 N/A 3617MHKJ4 2050-04-20 4 N/A 2280.00 706.75 Agency Mortgage-Backed Securities FEDERAL HOME LOAN MORTGAGE CORPORATION S6XOOCT0IEG5ABCC6L87 3132DWAN3 2050-12-01 2 N/A 1000.00 535.65 Agency Mortgage-Backed Securities FEDERAL HOME LOAN MORTGAGE CORPORATION S6XOOCT0IEG5ABCC6L87 3133CJNY3 2053-11-01 6.5 N/A 1000.00 670.76 Agency Mortgage-Backed Securities FEDERAL NATIONAL MORTGAGE ASSOCIATION B1V7KEBTPIMZEU4LTD58 31416KZ27 2039-04-01 6 N/A 1000.00 69.66 Agency Mortgage-Backed Securities FEDERAL NATIONAL MORTGAGE ASSOCIATION B1V7KEBTPIMZEU4LTD58 3140QEBK7 2050-07-01 2.5 N/A 1000.00 492.68 Agency Mortgage-Backed Securities FEDERAL NATIONAL MORTGAGE ASSOCIATION B1V7KEBTPIMZEU4LTD58 31412Q7E3 2040-02-01 4.5 N/A 1001.00 76.49 Agency Mortgage-Backed Securities FEDERAL HOME LOAN MORTGAGE CORPORATION S6XOOCT0IEG5ABCC6L87 3132A5DS1 2045-05-01 3 N/A 1000.00 137.01 Agency Mortgage-Backed Securities FEDERAL NATIONAL MORTGAGE ASSOCIATION B1V7KEBTPIMZEU4LTD58 3140QNUV2 2052-04-01 2.5 N/A 1008.00 669.83 Agency Mortgage-Backed Securities GOVERNMENT NATIONAL MORTGAGE ASSOCIATION 2 N/A 36179VN30 2050-06-20 3 N/A 3587.00 921.25 Agency Mortgage-Backed Securities FEDERAL HOME LOAN MORTGAGE CORPORATION S6XOOCT0IEG5ABCC6L87 31425XRB7 2055-01-01 6.5 N/A 1000.00 1032.26 Agency Mortgage-Backed Securities FEDERAL HOME LOAN MORTGAGE CORPORATION S6XOOCT0IEG5ABCC6L87 31426BAD8 2055-02-01 6 N/A 4004.00 4049.96 Agency Mortgage-Backed Securities FEDERAL HOME LOAN MORTGAGE CORPORATION S6XOOCT0IEG5ABCC6L87 3132E0WB4 2053-11-01 5.5 N/A 45590.00 41131.29 Agency Mortgage-Backed Securities FEDERAL NATIONAL MORTGAGE ASSOCIATION B1V7KEBTPIMZEU4LTD58 31405DND5 2034-07-01 6.5 N/A 316560.00 1902.15 Agency Mortgage-Backed Securities GOVERNMENT NATIONAL MORTGAGE ASSOCIATION 2 N/A 36179QL74 2044-08-20 4.5 N/A 6211.00 412.38 Agency Mortgage-Backed Securities FEDERAL HOME LOAN MORTGAGE CORPORATION S6XOOCT0IEG5ABCC6L87 3133W6L21 2054-02-01 5.5 N/A 1000.00 919.19 Agency Mortgage-Backed Securities FEDERAL NATIONAL MORTGAGE ASSOCIATION B1V7KEBTPIMZEU4LTD58 3140HJJT9 2048-08-01 5 N/A 1024.00 246.03 Agency Mortgage-Backed Securities FEDERAL HOME LOAN MORTGAGE CORPORATION S6XOOCT0IEG5ABCC6L87 3131XVYC3 2047-01-01 3 N/A 1000.00 326.41 Agency Mortgage-Backed Securities FEDERAL HOME LOAN MORTGAGE CORPORATION S6XOOCT0IEG5ABCC6L87 3132DPBH0 2052-06-01 3 N/A 1000.00 699.11 Agency Mortgage-Backed Securities GOVERNMENT NATIONAL MORTGAGE ASSOCIATION 2 N/A 3622ADPG7 2048-05-20 4.943 N/A 1478.00 1399.74 Agency Mortgage-Backed Securities GOVERNMENT NATIONAL MORTGAGE ASSOCIATION 2 N/A 36179NBA5 2043-04-20 3 N/A 4000.00 440.05 Agency Mortgage-Backed Securities GOVERNMENT NATIONAL MORTGAGE ASSOCIATION 2 N/A 36179RQ44 2045-10-20 4.5 N/A 26000.00 2024.54 Agency Mortgage-Backed Securities FEDERAL HOME LOAN MORTGAGE CORPORATION S6XOOCT0IEG5ABCC6L87 3132WXAW0 2040-01-01 3.409 N/A 1001.00 798.12 Agency Mortgage-Backed Securities FEDERAL HOME LOAN MORTGAGE CORPORATION S6XOOCT0IEG5ABCC6L87 3132DT7B0 2054-07-01 6.5 N/A 1000.00 929.27 Agency Mortgage-Backed Securities FEDERAL HOME LOAN MORTGAGE CORPORATION S6XOOCT0IEG5ABCC6L87 3133WEE97 2054-06-01 6 N/A 1000.00 990.10 Agency Mortgage-Backed Securities FEDERAL HOME LOAN MORTGAGE CORPORATION S6XOOCT0IEG5ABCC6L87 3131XVXB6 2047-01-01 3 N/A 1000.00 285.43 Agency Mortgage-Backed Securities GOVERNMENT NATIONAL MORTGAGE ASSOCIATION 2 N/A 36179W5E4 2052-05-20 4 N/A 47209.00 34760.75 Agency Mortgage-Backed Securities GOVERNMENT NATIONAL MORTGAGE ASSOCIATION 2 N/A 36179RLR8 2045-08-20 4.5 N/A 22884.00 1497.71 Agency Mortgage-Backed Securities GOVERNMENT NATIONAL MORTGAGE ASSOCIATION 2 N/A 36179S2R7 2047-04-20 4.5 N/A 10824.00 872.44 Agency Mortgage-Backed Securities FEDERAL HOME LOAN MORTGAGE CORPORATION S6XOOCT0IEG5ABCC6L87 3132DM4X0 2052-01-01 2 N/A 1000.00 687.66 Agency Mortgage-Backed Securities FEDERAL HOME LOAN MORTGAGE CORPORATION S6XOOCT0IEG5ABCC6L87 3133BDQ24 2052-06-01 5 N/A 1000.00 806.03 Agency Mortgage-Backed Securities GOVERNMENT NATIONAL MORTGAGE ASSOCIATION 2 N/A 36179SUX3 2047-01-20 4.5 N/A 30000.00 3089.32 Agency Mortgage-Backed Securities FEDERAL HOME LOAN MORTGAGE CORPORATION S6XOOCT0IEG5ABCC6L87 3132DWN74 2055-03-01 5 N/A 1000.00 957.00 Agency Mortgage-Backed Securities GOVERNMENT NATIONAL MORTGAGE ASSOCIATION 2 N/A 36179YDL5 2053-08-20 6 N/A 595683.00 415408.31 Agency Mortgage-Backed Securities FEDERAL NATIONAL MORTGAGE ASSOCIATION B1V7KEBTPIMZEU4LTD58 31418CR89 2047-12-01 3.5 N/A 1000.00 130.52 Agency Mortgage-Backed Securities FEDERAL HOME LOAN MORTGAGE CORPORATION S6XOOCT0IEG5ABCC6L87 31426BBB1 2055-02-01 6 N/A 4000.00 4082.41 Agency Mortgage-Backed Securities GOVERNMENT NATIONAL MORTGAGE ASSOCIATION 2 N/A 3618NKV29 2055-04-20 6 N/A 13213.00 13491.14 Agency Mortgage-Backed Securities FEDERAL HOME LOAN MORTGAGE CORPORATION S6XOOCT0IEG5ABCC6L87 31426GDW2 2055-03-01 6 N/A 1000.00 1016.11 Agency Mortgage-Backed Securities GOVERNMENT NATIONAL MORTGAGE ASSOCIATION 2 N/A 3618N5A41 2054-11-20 5.5 N/A 1607.00 1575.27 Agency Mortgage-Backed Securities FEDERAL HOME LOAN MORTGAGE CORPORATION S6XOOCT0IEG5ABCC6L87 31426GHL2 2055-03-01 5.5 N/A 2789.00 2775.72 Agency Mortgage-Backed Securities Y Fitch F1 Moody's P-1 Standard & Poor's A-1 2025-06-02 2025-06-02 2025-06-02 N N N 0.0435 10000000.00 10000000.00 0.0934 N Y Y N Federal National Mortgage Association Variable Rate Notes Federal National Mortgage Association Variable Rate Notes 4.47000120 3135G07L1 B1V7KEBTPIMZEU4LTD58 US3135G07L12 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y Moody's Aa1 Standard & Poor's AA+ Fitch AA+ 2025-06-02 2026-10-23 2026-10-23 N N N 0.0449 335336.22 335336.22 0.0031 N N N N U.S. Treasury Bills U.S. Treasury Bills 0.00000000 912797NA1 254900HROIFWPRGM1V77 US912797NA14 U.S. Treasury Debt Y Moody's P-1 Fitch F1+ Standard & Poor's A-1+ 2025-10-30 2025-10-30 2025-10-30 N N N 0.0423 1154510.94 1154510.94 0.0108 N Y Y N Federal Farm Credit Bank Variable Rate Notes Federal Farm Credit Bank Variable Rate Notes 4.39499880 3133ETAU1 254900C5LP6DN9OP9V83 US3133ETAU17 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y Fitch AA+ Standard & Poor's AA+ Moody's Aa1 2025-06-02 2027-03-26 2027-03-26 N N N 0.0448 94997.74 94997.74 0.0009 N N N N TD Securities USA LLC TD Securities USA LLC 4.34000000 N/A SUVUFHICNZMP2WKHG940 BYDKSEZ73 U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash Y N N Y UNITED STATES TREASURY 254900HROIFWPRGM1V77 91282CAH4 2027-08-31 0.5 N/A 4489300.00 4165380.90 U.S. Treasuries (including strips) UNITED STATES TREASURY 254900HROIFWPRGM1V77 91282CGV7 2026-04-15 3.75 N/A 1582500.00 1583227.40 U.S. Treasuries (including strips) UNITED STATES TREASURY 254900HROIFWPRGM1V77 9128286L9 2026-03-31 2.25 N/A 4294500.00 4240683.58 U.S. Treasuries (including strips) UNITED STATES TREASURY 254900HROIFWPRGM1V77 91282CLL3 2027-09-15 3.375 N/A 211800.00 210753.73 U.S. Treasuries (including strips) Y Fitch NR Standard & Poor's A-1 Moody's NR 2025-06-02 2025-06-02 2025-06-02 N N N 0.0434 10000000.00 10000000.00 0.0934 N Y Y N Federal Home Loan Bank Variable Rate Notes Federal Home Loan Bank Variable Rate Notes 4.33000080 3130B5DQ8 2549001DPIFGXC1TOL40 US3130B5DQ80 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y Standard & Poor's AA+ Fitch AA+ Moody's Aa1 2025-06-02 2025-08-29 2025-08-29 N N N 0.0445 934999.03 934999.03 0.0087 N N N N U.S. Treasury Bills U.S. Treasury Bills 0.00000000 912797QP5 254900HROIFWPRGM1V77 US912797QP55 U.S. Treasury Debt Y Standard & Poor's A-1+ Moody's P-1 Fitch F1+ 2025-11-06 2025-11-06 2025-11-06 N N N 0.0423 371909.22 371909.22 0.0035 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.00000000 912797QW0 254900HROIFWPRGM1V77 US912797QW07 U.S. Treasury Debt Y Standard & Poor's A-1+ Fitch F1+ Moody's P-1 2025-09-30 2025-09-30 2025-09-30 N N N 0.0420 893443.56 893443.56 0.0083 N Y Y N U.S. Treasury Bills U.S. Treasury Bills 0.00000000 912797PY7 254900HROIFWPRGM1V77 US912797PY71 U.S. Treasury Debt Y Standard & Poor's A-1+ Fitch F1+ Moody's P-1 2025-09-25 2025-09-25 2025-09-25 N N N 0.0420 253060.95 253060.95 0.0024 N Y Y N U.S. Treasury Notes U.S. Treasury Notes 1.62500000 912828R36 254900HROIFWPRGM1V77 US912828R366 U.S. Treasury Debt Y Moody's Aa1 Fitch AA+ Standard & Poor's AA+ 2026-05-15 2026-05-15 2026-05-15 N N N 0.0415 19530.16 19530.16 0.0002 N Y Y N BlackRock Series Fund, Inc. 2025-06-05 Chuck Pulsfort Chuck Pulsfort Assistant Treasurer