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2020-07-31 N N N 0.0014 144606635.58 144606635.58 0.0297 N Y Y N U.S. Treasury Notes U.S. Treasury Notes, 0.18% 9128285H9 254900HROIFWPRGM1V77 US9128285H96 U.S. Treasury Debt Y N/A N/A 2020-06-01 2020-10-31 2020-10-31 N N N 0.0014 30003798.30 30003798.30 0.0062 N Y Y N U.S. Treasury Notes U.S. Treasury Notes, 0.24% 912828ZK9 254900HROIFWPRGM1V77 US912828ZK94 U.S. Treasury Debt Y N/A N/A 2020-06-01 2022-04-30 2022-04-30 N N N 0.0023 25008573.50 25008573.50 0.0051 N Y Y N U.S. Treasury Notes U.S. Treasury Notes, 0.25% 9128285Y2 254900HROIFWPRGM1V77 US9128285Y20 U.S. Treasury Debt Y N/A N/A 2020-06-01 2021-01-31 2021-01-31 N N N 0.0013 108562515.39 108562515.39 0.0223 N Y Y N U.S. Treasury Notes U.S. Treasury Notes, 0.27% 9128286Q8 254900HROIFWPRGM1V77 US9128286Q86 U.S. Treasury Debt Y N/A N/A 2020-06-01 2021-04-30 2021-04-30 N N N 0.0015 103109678.52 103109678.52 0.0212 N Y Y N U.S. Treasury Notes U.S. Treasury Notes, 0.28% 912828Z45 254900HROIFWPRGM1V77 US912828Z450 U.S. Treasury Debt Y N/A N/A 2020-06-01 2022-01-31 2022-01-31 N N N 0.0022 198222371.82 198222371.82 0.0407 N Y Y N U.S. Treasury Notes U.S. Treasury Notes, 0.35% 9128287G9 254900HROIFWPRGM1V77 US9128287G95 U.S. Treasury Debt Y N/A N/A 2020-06-01 2021-07-31 2021-07-31 N N N 0.0017 71651773.77 71651773.77 0.0147 N Y Y N U.S. Treasury Notes U.S. Treasury Notes, 0.41% to 0.42% 9128285S5 254900HROIFWPRGM1V77 US9128285S51 U.S. Treasury Debt Y N/A N/A 2020-12-31 2020-12-31 2020-12-31 N N N 0.0022 10133984.40 10133984.40 0.0021 N Y Y N U.S. Treasury Notes U.S. Treasury Notes, 0.42% 912828M98 254900HROIFWPRGM1V77 US912828M987 U.S. Treasury Debt Y N/A N/A 2020-11-30 2020-11-30 2020-11-30 N N N 0.0022 1007109.38 1007109.38 0.0002 N Y Y N U.S. Treasury Notes U.S. Treasury Notes, 0.42% 912828A42 254900HROIFWPRGM1V77 US912828A420 U.S. Treasury Debt Y N/A N/A 2020-11-30 2020-11-30 2020-11-30 N N N 0.0023 1008945.31 1008945.31 0.0002 N Y Y N U.S. Treasury Notes U.S. Treasury Notes, 0.42% 912828N48 254900HROIFWPRGM1V77 US912828N480 U.S. Treasury Debt Y N/A N/A 2020-12-31 2020-12-31 2020-12-31 N N N 0.0021 2018125.00 2018125.00 0.0004 N Y Y N U.S. Treasury Notes U.S. Treasury Notes, 0.42% 9128283X6 254900HROIFWPRGM1V77 US9128283X64 U.S. Treasury Debt Y N/A N/A 2021-02-15 2021-02-15 2021-02-15 N N N 0.0021 1014531.25 1014531.25 0.0002 N Y Y N U.S. Treasury Notes U.S. Treasury Notes, 0.43% 912828YN4 254900HROIFWPRGM1V77 US912828YN43 U.S. Treasury Debt Y N/A N/A 2020-06-01 2021-10-31 2021-10-31 N N N 0.0020 71232822.49 71232822.49 0.0146 N Y Y N U.S. Treasury Notes U.S. Treasury Notes, 0.43% 9128285G1 254900HROIFWPRGM1V77 US9128285G14 U.S. Treasury Debt Y N/A N/A 2020-10-31 2020-10-31 2020-10-31 N N N 0.0026 1011015.62 1011015.62 0.0002 N Y Y N U.S. Treasury Notes U.S. Treasury Notes, 0.69% 912828PC8 254900HROIFWPRGM1V77 US912828PC88 U.S. Treasury Debt Y N/A N/A 2020-11-15 2020-11-15 2020-11-15 N N N 0.0024 3033046.86 3033046.86 0.0006 N Y Y N U.S. Treasury Notes U.S. Treasury Notes, 0.75% to 1.59% 912828VV9 254900HROIFWPRGM1V77 US912828VV95 U.S. Treasury Debt Y N/A N/A 2020-08-31 2020-08-31 2020-08-31 N N N 0.0019 39192269.22 39192269.22 0.0080 N Y Y N U.S. Treasury Notes U.S. Treasury Notes, 1.58% 912828XM7 254900HROIFWPRGM1V77 US912828XM78 U.S. Treasury Debt Y N/A N/A 2020-07-31 2020-07-31 2020-07-31 N N N 0.0019 14034708.80 14034708.80 0.0029 N Y Y N U.S. Treasury Notes U.S. Treasury Notes, 1.59% 912828XH8 254900HROIFWPRGM1V77 US912828XH83 U.S. Treasury Debt Y N/A N/A 2020-06-30 2020-06-30 2020-06-30 N N N 0.0025 14016888.20 14016888.20 0.0029 N Y Y N U.S. Treasury Notes U.S. Treasury Notes, 1.59% 9128282J8 254900HROIFWPRGM1V77 US9128282J89 U.S. Treasury Debt Y N/A N/A 2020-07-15 2020-07-15 2020-07-15 N N N 0.0021 16026673.12 16026673.12 0.0033 N Y Y N U.S. Treasury Notes U.S. Treasury Notes, 1.59% 9128284Y3 254900HROIFWPRGM1V77 US9128284Y39 U.S. Treasury Debt Y N/A N/A 2020-08-31 2020-08-31 2020-08-31 N N N 0.0021 4024662.36 4024662.36 0.0008 N Y Y N Fidelity Hereford Street Trust: Fidelity Treasury Only Money Market Fund 2020-06-02 Laura M. Del Prato Laura M. Del Prato President and Treasurer