N-MFP2 0000063068 XXXXXXXX 2024-04-30 0000063068 549300SSA281MOJG8J61 S000002435 1 N N 002-54607 Massachusetts Financial Services Company 801-17352 Deloitte & Touche LLP Boston MA Massachusetts Financial Services Company MFS Service Center, Inc 0000769188 084-01316 N N N Exempt Government Government/Agency N 29 29 272317457.33 273145455.46 258092610.03 273337327.25 345245544.60 358049995.66 358670013.34 358415680.16 0.00 0.7355 0.7359 0.6942 0.7357 0.9325 0.9646 0.9647 0.9647 0.0000 1.69 373423068.74 373451592.21 60646.75 1609357.08 371902883.57 371903527.3590 1.0000 0.0535 0.9999 0.9999 0.9998 0.9999 0.0000 C000006517 1000.00 371902883.57 371903527.3590 0.9999 0.9999 0.9998 0.9999 0.0000 2622858.39 5363958.00 3619654.71 2845060.39 1691329.21 1440146.21 1956668.97 2635984.21 0.00 0.00 13614524.41 13958258.13 0.0490 Y During the period, MFS waived: $3,971 management fees; $38,553 expense limitation. BOFA Securities Bank of America NA 5.290000% 549300HN4UKV1E2R3U73 0001102113 03199T002_5.29_0501 U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash Y N U.S. Treasury Bill 254900HROIFWPRGM1V77 2028-04-30 1.250000 58240000.00 50850800.00 U.S. Treasuries (including strips) Y 2024-05-01 2024-05-01 2024-05-01 N N N 0.0529 49703000.00 49703000.00 0.1336 N Y Y N Federal Farm Credit Bank Federal Farm Credit Bank 313312WV8 254900C5LP6DN9OP9V83 US313312WV80 U.S. Government Agency Debt Y 2024-05-14 2024-05-14 2024-05-14 N N N 0.0528 7933691.45 7933691.45 0.0213 N N Y N Federal Farm Credit Bank Federal Farm Credit Bank 313312XU9 254900C5LP6DN9OP9V83 US313312XU98 U.S. Government Agency Debt Y 2024-06-06 2024-06-06 2024-06-06 N N N 0.0528 11934941.64 11934941.64 0.0321 N N Y N Federal Farm Credit Bank Federal Farm Credit Bank 313312ZL7 254900C5LP6DN9OP9V83 US313312ZL71 U.S. Government Agency Debt Y 2024-07-16 2024-07-16 2024-07-16 N N N 0.0521 13003602.10 13003602.10 0.0350 N N N N Federal Home Loan Bank Federal Home Loan Bank 313384WR6 2549001DPIFGXC1TOL40 US313384WR63 U.S. Government Agency Debt Y 2024-05-10 2024-05-10 2024-05-10 N N N 0.0528 15177727.74 15177727.74 0.0408 N N Y N Federal Home Loan Bank Federal Home Loan Bank 313384YA1 2549001DPIFGXC1TOL40 US313384YA11 U.S. Government Agency Debt Y 2024-06-12 2024-06-12 2024-06-12 N N N 0.0528 15501709.24 15501709.24 0.0417 N N Y N Federal Home Loan Mortgage Corp. Federal Home Loan Mortgage Corp. 313396WH2 S6XOOCT0IEG5ABCC6L87 US313396WH20 U.S. Government Agency Debt Y 2024-05-02 2024-05-02 2024-05-02 N N N 0.0528 15595428.26 15595428.26 0.0419 N N Y N Federal National Mortgage Assoc. Federal National Mortgage Assoc. 313588XZ3 B1V7KEBTPIMZEU4LTD58 US313588XZ33 U.S. Government Agency Debt Y 2024-06-11 2024-06-11 2024-06-11 N N N 0.0528 18982455.35 18982455.35 0.0510 N N Y N Fixed Income Clearing Corp./State Street Bank & Trust Co. Fixed Income Clearing Corp./State Street Bank & Trust Co. 5.280000% 549300H47WTHXPU08X20 0000093748 85748R009_5.28_0501 U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash Y N U.S. Treasury Bill 254900HROIFWPRGM1V77 2029-07-15 0.250000 45938900.00 50696802.90 U.S. Treasuries (including strips) Y 2024-05-01 2024-05-01 2024-05-01 N N N 0.0528 49702566.00 49702566.00 0.1336 N Y Y N U.S. Treasury Bill U.S. Treasury Bill 912796ZW2 254900HROIFWPRGM1V77 US912796ZW23 U.S. Treasury Debt Y 2024-06-20 2024-06-20 2024-06-20 N N N 0.0539 13351460.05 13351460.05 0.0359 N Y Y N U.S. Treasury Bill U.S. Treasury Bill 912797FH5 254900HROIFWPRGM1V77 US912797FH58 U.S. Treasury Debt Y 2024-05-16 2024-05-16 2024-05-16 N N N 0.0535 21103602.19 21103602.19 0.0567 N Y Y N U.S. Treasury Bill U.S. Treasury Bill 912797FS1 254900HROIFWPRGM1V77 US912797FS14 U.S. Treasury Debt Y 2024-06-13 2024-06-13 2024-06-13 N N N 0.0538 15899147.52 15899147.52 0.0428 N Y Y N U.S. Treasury Bill U.S. Treasury Bill 912797HQ3 254900HROIFWPRGM1V77 US912797HQ30 U.S. Treasury Debt Y 2024-05-09 2024-05-09 2024-05-09 N N N 0.0536 17679241.79 17679241.79 0.0475 N Y Y N U.S. Treasury Bill U.S. Treasury Bill 912797HR1 254900HROIFWPRGM1V77 US912797HR13 U.S. Treasury Debt Y 2024-05-23 2024-05-23 2024-05-23 N N N 0.0537 18440306.61 18440306.61 0.0496 N Y Y N U.S. Treasury Bill U.S. Treasury Bill 912797JV0 254900HROIFWPRGM1V77 US912797JV07 U.S. Treasury Debt Y 2024-05-07 2024-05-07 2024-05-07 N N N 0.0536 38466129.63 38466129.63 0.1034 N Y Y N U.S. Treasury Bill U.S. Treasury Bill 912797KN6 254900HROIFWPRGM1V77 US912797KN61 U.S. Treasury Debt Y 2024-07-09 2024-07-09 2024-07-09 N N N 0.0539 14898094.18 14898094.18 0.0401 N Y Y N U.S. Treasury Bill U.S. Treasury Bill 912797KW6 254900HROIFWPRGM1V77 US912797KW60 U.S. Treasury Debt Y 2024-08-06 2024-08-06 2024-08-06 N N N 0.0540 14393372.48 14393372.48 0.0387 N Y Y N U.S. Treasury Bill U.S. Treasury Bill 912797KX4 254900HROIFWPRGM1V77 US912797KX44 U.S. Treasury Debt Y 2024-08-13 2024-08-13 2024-08-13 N N N 0.0540 12408899.96 12408899.96 0.0334 N Y Y N U.S. Treasury Bill U.S. Treasury Bill 912797KY2 254900HROIFWPRGM1V77 US912797KY27 U.S. Treasury Debt Y 2024-08-20 2024-08-20 2024-08-20 N N N 0.0542 9247692.55 9247692.55 0.0249 N Y Y N MFS SERIES TRUST IV 2024-05-07 James Byrne James Byrne Assistant Treasurer