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OPERATIONS CO. 0000862124 084-01839 N N N Exempt Government N 37 100 14401440451.30 14190450949.46 13805176498.73 14032762361.77 14401440451.30 14190450949.46 13805176498.73 14032762361.77 0.9900 0.9900 0.9900 0.9900 0.9900 0.9900 0.9900 0.9900 1530254.53 13953718815.15 13952183392.23 7738742.27 19724853.77 13941727535.26 13940149260.82 1.0000 0.0172 1.0002 1.0002 1.0002 1.0002 C000013037 1000000.00 6763878236.84 6762784825.32 1.0002 1.0003 1.0002 1.0003 201080095.47 329437762.93 225476798.72 237096084.54 165913998.55 245503604.11 184425747.65 200467991.84 834706978.98 1045823848.85 0.0154 Y Fidelity Investments, Reimbursement Fees, -198064.46; C000013074 1000000.00 252820263.65 252841296.12 1.0000 1.0000 1.0000 1.0000 1071854.44 6621368.57 8642224.56 4084018.05 3169766.86 10737297.03 7852134.76 5423032.80 20974058.33 29431354.41 0.0139 Y Fidelity Investments, Reimbursement Fees, -7878.93; C000013075 1000000.00 971531836.89 971255941.65 1.0003 1.0004 1.0004 1.0004 70586006.29 79370215.42 51898325.02 63317907.81 62447860.70 80372242.07 135872588.07 42885278.30 331144862.33 288249824.10 0.0129 Y Fidelity Investments, Reimbursement Fees, -29298.29; C000013076 1000000.00 117260315.32 117261011.77 1.0001 1.0001 1.0001 1.0001 1867727.82 21187326.18 32255889.52 21001544.15 950648.99 882430.32 18189630.77 20000000.00 59734477.90 63071300.65 0.0149 Y Fidelity Investments, Reimbursement Fees, -3669.71; C000056567 1000000.00 117822228.65 117806691.96 1.0002 1.0002 1.0002 1.0002 4640315.57 3002255.11 3667849.35 3686565.79 2201420.46 2518978.06 4816455.44 3235705.44 15326040.82 13355788.80 0.0104 Y Fidelity Investments, Reimbursement Fees, -4081.66; C000141702 10000000.00 5718414653.91 5718199494.00 1.0001 1.0001 1.0001 1.0001 137647432.11 674657476.28 125552914.70 397327141.20 197545303.03 337045243.89 285985066.96 290291301.83 866853445.19 1778008756.64 0.0158 Y Fidelity Investments, Reimbursement Fees, -217661.87; U.S. Treasury Bills U.S. Treasury Bills, 1.05% 912796PC7 254900HROIFWPRGM1V77 US912796PC78 U.S. Treasury Debt Y N/A N/A 2018-05-03 2018-05-03 2018-05-03 N N N 0.0105 870329326.99 870329326.99 0.0624 N Y Y N U.S. Treasury Bills U.S. Treasury Bills, 1.39% 912796PF0 254900HROIFWPRGM1V77 US912796PF00 U.S. Treasury Debt Y N/A N/A 2018-05-10 2018-05-10 2018-05-10 N N N 0.0139 1290799465.54 1290799465.54 0.0926 N Y Y N U.S. Treasury Bills U.S. Treasury Bills, 1.51% 912796PG8 254900HROIFWPRGM1V77 US912796PG82 U.S. Treasury Debt Y N/A N/A 2018-05-17 2018-05-17 2018-05-17 N N N 0.0151 1232892765.10 1232892765.10 0.0884 N Y Y N U.S. Treasury Bills U.S. Treasury Bills, 1.54% 912796MB2 254900HROIFWPRGM1V77 US912796MB23 U.S. Treasury Debt Y N/A N/A 2018-05-24 2018-05-24 2018-05-24 N N N 0.0154 1363102355.47 1363102355.47 0.0978 N Y Y N U.S. Treasury Bills U.S. Treasury Bills, 1.61% 912796PH6 254900HROIFWPRGM1V77 US912796PH65 U.S. Treasury Debt Y N/A N/A 2018-05-31 2018-05-31 2018-05-31 N N N 0.0161 726004889.67 726004889.67 0.0521 N Y Y N U.S. Treasury Bills U.S. Treasury Bills, 1.61% 912796PJ2 254900HROIFWPRGM1V77 US912796PJ22 U.S. Treasury Debt Y N/A N/A 2018-06-07 2018-06-07 2018-06-07 N N N 0.0161 427279680.28 427279680.28 0.0306 N Y Y N U.S. Treasury Bills U.S. Treasury Bills, 1.63% 912796PL7 254900HROIFWPRGM1V77 US912796PL77 U.S. Treasury Debt Y N/A N/A 2018-06-14 2018-06-14 2018-06-14 N N N 0.0163 149697958.50 149697958.50 0.0107 N Y Y N U.S. Treasury Bills U.S. Treasury Bills, 1.67% 912796MF3 254900HROIFWPRGM1V77 US912796MF37 U.S. Treasury Debt Y N/A N/A 2018-06-21 2018-06-21 2018-06-21 N N N 0.0167 175579873.92 175579873.92 0.0126 N Y Y N U.S. Treasury Bills U.S. Treasury Bills, 1.68% 912796PM5 254900HROIFWPRGM1V77 US912796PM50 U.S. Treasury Debt Y N/A N/A 2018-06-28 2018-06-28 2018-06-28 N N N 0.0168 480687620.04 480687620.04 0.0345 N Y Y N U.S. Treasury Bills U.S. Treasury Bills, 1.73% 912796PN3 254900HROIFWPRGM1V77 US912796PN34 U.S. Treasury Debt Y N/A N/A 2018-07-05 2018-07-05 2018-07-05 N N N 0.0173 1181267048.55 1181267048.55 0.0847 N Y Y N U.S. Treasury Bills U.S. Treasury Bills, 1.73% 912796PQ6 254900HROIFWPRGM1V77 US912796PQ64 U.S. Treasury Debt Y N/A N/A 2018-07-12 2018-07-12 2018-07-12 N N N 0.0173 402594080.00 402594080.00 0.0289 N Y Y N U.S. Treasury Bills U.S. Treasury Bills, 1.77% 912796PR4 254900HROIFWPRGM1V77 US912796PR48 U.S. Treasury Debt Y N/A N/A 2018-07-26 2018-07-26 2018-07-26 N N N 0.0177 353492581.25 353492581.25 0.0254 N Y Y N U.S. Treasury Bills U.S. Treasury Bills, 1.95% 912796QA0 254900HROIFWPRGM1V77 US912796QA04 U.S. Treasury Debt Y N/A N/A 2018-09-27 2018-09-27 2018-09-27 N N N 0.0195 297628416.00 297628416.00 0.0213 N Y Y N U.S. Treasury Bills U.S. Treasury Bills, 1.97% 912796QB8 254900HROIFWPRGM1V77 US912796QB86 U.S. Treasury Debt Y N/A N/A 2018-10-04 2018-10-04 2018-10-04 N N N 0.0197 428377680.00 428377680.00 0.0307 N Y Y N U.S. Treasury Bills U.S. Treasury Bills, 2.01% 912796QE2 254900HROIFWPRGM1V77 US912796QE26 U.S. Treasury Debt Y N/A N/A 2018-10-25 2018-10-25 2018-10-25 N N N 0.0201 80216940.60 80216940.60 0.0058 N Y Y N U.S. Treasury Notes U.S. Treasury Notes, 1.46% to 1.48% 912828QQ6 254900HROIFWPRGM1V77 US912828QQ65 U.S. Treasury Debt Y N/A N/A 2018-05-31 2018-05-31 2018-05-31 N N N 0.0169 89050428.29 89050428.29 0.0064 N Y Y N U.S. Treasury Notes U.S. Treasury Notes, 1.48% to 1.50% 912828VE7 254900HROIFWPRGM1V77 US912828VE70 U.S. Treasury Debt Y N/A N/A 2018-05-31 2018-05-31 2018-05-31 N N N 0.0165 132925895.06 132925895.06 0.0095 N Y Y N U.S. Treasury Notes U.S. Treasury Notes, 1.48% to 1.68% 912828R51 254900HROIFWPRGM1V77 US912828R515 U.S. Treasury Debt Y N/A N/A 2018-05-31 2018-05-31 2018-05-31 N N N 0.0164 342773846.38 342773846.38 0.0246 N Y Y N U.S. Treasury Notes U.S. Treasury Notes, 1.62% 912828XA3 254900HROIFWPRGM1V77 US912828XA31 U.S. Treasury Debt Y N/A N/A 2018-05-15 2018-05-15 2018-05-15 N N N 0.0161 147962384.32 147962384.32 0.0106 N Y Y N U.S. Treasury Notes U.S. Treasury Notes, 1.70% 912828R93 254900HROIFWPRGM1V77 US912828R937 U.S. Treasury Debt Y N/A N/A 2018-06-30 2018-06-30 2018-06-30 N N N 0.0173 144729532.95 144729532.95 0.0104 N Y Y N U.S. Treasury Notes U.S. Treasury Notes, 1.70% to 1.74% 912828VK3 254900HROIFWPRGM1V77 US912828VK31 U.S. Treasury Debt Y N/A N/A 2018-06-30 2018-06-30 2018-06-30 N N N 0.0174 394632023.90 394632023.90 0.0283 N Y Y N U.S. Treasury Notes U.S. Treasury Notes, 1.75% 912828QT0 254900HROIFWPRGM1V77 US912828QT05 U.S. Treasury Debt Y N/A N/A 2018-06-30 2018-06-30 2018-06-30 N N N 0.0176 83083826.68 83083826.68 0.0060 N Y Y N U.S. Treasury Notes U.S. Treasury Notes, 1.80% to 1.81% 912828S68 254900HROIFWPRGM1V77 US912828S687 U.S. Treasury Debt Y N/A N/A 2018-07-31 2018-07-31 2018-07-31 N N N 0.0183 189480156.20 189480156.20 0.0136 N Y Y N U.S. Treasury Notes U.S. Treasury Notes, 1.81% 912828QY9 254900HROIFWPRGM1V77 US912828QY99 U.S. Treasury Debt Y N/A N/A 2018-07-31 2018-07-31 2018-07-31 N N N 0.0184 25025004.00 25025004.00 0.0018 N Y Y N U.S. Treasury Notes U.S. Treasury Notes, 1.82% 912828VQ0 254900HROIFWPRGM1V77 US912828VQ01 U.S. Treasury Debt Y N/A N/A 2018-07-31 2018-07-31 2018-07-31 N N N 0.0183 111867920.64 111867920.64 0.0080 N Y Y N U.S. Treasury Notes U.S. Treasury Notes, 1.84% 9128283T5 254900HROIFWPRGM1V77 US9128283T52 U.S. Treasury Debt Y N/A N/A 2018-05-01 2020-01-31 2020-01-31 N N N 0.0185 234948708.90 234948708.90 0.0169 N Y Y N U.S. Treasury Notes U.S. Treasury Notes, 1.85% 9128282C3 254900HROIFWPRGM1V77 US9128282C37 U.S. Treasury Debt Y N/A N/A 2018-08-31 2018-08-31 2018-08-31 N N N 0.0192 74707866.00 74707866.00 0.0054 N Y Y N U.S. Treasury Notes U.S. Treasury Notes, 1.89% 9128283B4 254900HROIFWPRGM1V77 US9128283B45 U.S. Treasury Debt Y N/A N/A 2018-05-01 2019-10-31 2019-10-31 N N N 0.0184 315200437.65 315200437.65 0.0226 N Y Y N U.S. Treasury Notes U.S. Treasury Notes, 1.90% 9128282M1 254900HROIFWPRGM1V77 US9128282M19 U.S. Treasury Debt Y N/A N/A 2018-05-01 2019-07-31 2019-07-31 N N N 0.0180 130158758.60 130158758.60 0.0093 N Y Y N U.S. Treasury Notes U.S. Treasury Notes, 1.91% 912828X54 254900HROIFWPRGM1V77 US912828X547 U.S. Treasury Debt Y N/A N/A 2018-05-01 2019-04-30 2019-04-30 N N N 0.0179 700455748.12 700455748.12 0.0502 N Y Y N U.S. Treasury Notes U.S. Treasury Notes, 1.98% 912828V64 254900HROIFWPRGM1V77 US912828V640 U.S. Treasury Debt Y N/A N/A 2018-05-01 2019-01-31 2019-01-31 N N N 0.0179 460652790.60 460652790.60 0.0330 N Y Y N U.S. Treasury Notes U.S. Treasury Notes, 2.01% 912828T75 254900HROIFWPRGM1V77 US912828T750 U.S. Treasury Debt Y N/A N/A 2018-05-01 2018-10-31 2018-10-31 N N N 0.0179 315345835.35 315345835.35 0.0226 N Y Y N U.S. Treasury Notes U.S. Treasury Notes, 2.01% 912828S84 254900HROIFWPRGM1V77 US912828S844 U.S. Treasury Debt Y N/A N/A 2018-05-01 2018-07-31 2018-07-31 N N N 0.0179 600766969.60 600766969.60 0.0431 N Y Y N Fidelity Colchester Street Trust: Treasury Only Portfolio 2018-05-02 Stephanie Dorsey Stephanie Dorsey President and Treasurer