Full & Historical Holdings

Inflation-Adjusted Bond Fund


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Based on Market Value Based on Equivalent Exposure
ISIN Securities
(on 31-Jul-25)
Shares or Par Amount Value Percent of Net Assets Value Percent of Net Assets Market Cap ($mm) GICS Sectors

The Global Industry Classification Standard (GICS®) was developed by and/or is the exclusive property of MSCI, Inc. and S&P Global Market Intelligence Inc. ("S&P Global Market Intelligence"). GICS is a service mark of MSCI and S&P Global Market Intelligence and has been licensed for use by MFS. MFS has applied its own internal sector/industry classification methodology for equity securities and non-equity securities that are unclassified by GICS.

Country
US91282CBF77 US Treasury Inflation Indexed Bonds 0.125% JAN 15 31 11,310,449 $10,487,674.49 13.48% $10,487,674.49 13.48% - U.S. Governments United States
US912828ZZ63 US Treasury Inflation Indexed Bonds 0.125% JUL 15 30 9,556,540 $8,987,693.52 11.55% $8,987,693.52 11.55% - U.S. Governments United States
CTUU25F00XXX UST Bond 2Yr Future SEP 30 25 37 $0.00 0.00% $7,658,421.91 9.84% - U.S. Governments United States
EZFWVB3VYG44 USD ZC CPI MAR 19 24 R 2.482 MAR 19 26 OTC 6,600,000 $6,674,220.96 8.58% $6,674,220.96 8.58% - U.S. Governments United States
US9128285W63 US Treasury Inflation Indexed Bonds 0.875% JAN 15 29 6,484,000 $6,388,425.24 8.21% $6,388,425.25 8.21% - U.S. Governments United States
US91282CDX65 US Treasury Inflation Indexed Bonds 0.125% JAN 15 32 6,527,666 $5,916,849.44 7.60% $5,916,849.44 7.60% - U.S. Governments United States
US912810QV35 US Treasury Inflation Indexed Bonds 0.75% FEB 15 42 6,427,578 $4,977,886.37 6.40% $4,977,886.38 6.40% - U.S. Governments United States
US91282CJY84 US Treasury Inflation Indexed Bonds 1.75% JAN 15 34 4,983,189 $4,931,108.41 6.34% $4,931,108.41 6.34% - U.S. Governments United States
US9128282L36 US Treasury Inflation Indexed Bonds 0.375% JUL 15 27 4,871,554 $4,807,472.82 6.18% $4,807,472.82 6.18% - U.S. Governments United States
USSM11746R99 USD ZC CPI FEB 05 25 R 2.755 FEB 05 27 4,500,000 $0.00 0.00% $4,519,885.10 5.81% - U.S. Governments United States
US912828V491 US Treasury Inflation Indexed Bonds 0.375% JAN 15 27 4,294,459 $4,237,419.70 5.45% $4,237,419.69 5.45% - U.S. Governments United States
US912810FD55 US Treasury Inflation Indexed Bonds 3.625% APR 15 28 3,615,335 $3,873,972.69 4.98% $3,873,972.68 4.98% - U.S. Governments United States
CFVU25F00XXX UST Bond 5Yr Future SEP 30 25 32 $0.00 0.00% $3,461,500.00 4.45% - U.S. Governments United States
US91282CHP95 US Treasury Inflation Indexed Bonds 1.375% JUL 15 33 3,426,267 $3,321,632.51 4.27% $3,321,632.51 4.27% - U.S. Governments United States
US91282CGK18 US Treasury Inflation Indexed Bonds 1.125% JAN 15 33 3,292,825 $3,143,193.28 4.04% $3,143,193.29 4.04% - U.S. Governments United States
US9128283R96 US Treasury Inflation Indexed Bonds 0.5% JAN 15 28 3,112,137 $3,053,949.48 3.92% $3,053,949.48 3.92% - U.S. Governments United States
USSM11591R99 USD ZC CPI APR 15 24 R 2.6365 APR 15 26 3,000,000 $0.00 0.00% $3,021,414.27 3.88% - U.S. Governments United States
US912810RL44 US Treasury Inflation Indexed Bonds 0.75% FEB 15 45 2,697,517 $1,959,416.62 2.52% $1,959,416.62 2.52% - U.S. Governments United States
USSM11804R99 USD ZC CPI MAY 14 25 R 2.539 MAY 14 30 1,800,000 $0.00 0.00% $1,806,797.25 2.32% - U.S. Governments United States
US91282CNB36 US Treasury Inflation Indexed Bonds 1.625% APR 15 30 1,737,144 $1,757,785.75 2.26% $1,757,785.74 2.26% - U.S. Governments United States
US912810RA88 US Treasury Inflation Indexed Bonds 0.625% FEB 15 43 1,739,373 $1,287,312.48 1.65% $1,287,312.48 1.65% - U.S. Governments United States
US912810TE82 US Treasury Inflation Indexed Bonds 0.125% FEB 15 52 2,240,639 $1,171,671.53 1.51% $1,171,671.53 1.51% - U.S. Governments United States
US912810SB52 US Treasury Inflation Indexed Bonds 1% FEB 15 48 1,139,355 $832,478.23 1.07% $832,478.23 1.07% - U.S. Governments United States
US912810TY47 US Treasury Inflation Indexed Bonds 2.125% FEB 15 54 892,427 $809,661.34 1.04% $809,661.34 1.04% - U.S. Governments United States
US3137HJQL49 Freddie Mac REMICS 5.3% FEB 25 55 334,446 $334,334.08 0.43% $334,334.08 0.43% - Mortgage-Backed Securities United States
US3136BUMM93 Fannie Mae REMICS 5.8% JAN 25 55 286,069 $287,076.27 0.37% $287,076.26 0.37% - Mortgage-Backed Securities United States
US38380LBW28 Ginnie Mae 4.992% APR 20 68 253,509 $255,333.80 0.33% $255,333.80 0.33% - Mortgage-Backed Securities United States
US3136BN6P68 Fannie Mae REMICS 5.15% OCT 25 52 243,284 $235,201.23 0.30% $235,201.23 0.30% - Mortgage-Backed Securities United States
US3137HFDN20 Freddie Mac REMICS 5.65% AUG 25 54 224,864 $224,771.40 0.29% $224,771.40 0.29% - Mortgage-Backed Securities United States
US3136BTGM94 Fannie Mae-Aces 2.908% JUL 25 27 222,920 $217,998.04 0.28% $217,998.05 0.28% - Mortgage-Backed Securities United States
US38384LAF67 Ginnie Mae 4.998% JAN 20 75 216,109 $216,294.61 0.28% $216,294.61 0.28% - Mortgage-Backed Securities United States
US38381NMU99 Ginnie Mae 5.053% JUN 20 55 199,227 $198,789.28 0.26% $198,789.28 0.26% - Mortgage-Backed Securities United States
US3137HJBF36 Freddie Mac REMICS 5.25% OCT 25 54 196,568 $196,481.97 0.25% $196,481.97 0.25% - Mortgage-Backed Securities United States
US3136BT7D92 Fannie Mae REMICS 5.75% DEC 25 54 195,809 $196,392.36 0.25% $196,392.36 0.25% - Mortgage-Backed Securities United States
US03882KAN28 Arbor Multifamily Mortgage Securities Trust 2021-MF3 144A FRB OCT 15 54 6,254,101 $187,156.18 0.24% $187,156.18 0.24% - Commercial Mortgage-Backed Securities United States
US3136BR3E57 Fannie Mae REMICS 5.5% JUN 25 54 184,355 $184,850.38 0.24% $184,850.39 0.24% - Mortgage-Backed Securities United States
US889184AF49 Toledo Hospital 5.325% NOV 15 28 162,000 $165,264.62 0.21% $165,264.62 0.21% - Corporate Debt United States
US3137H9AD11 Freddie Mac REMICS 5.17% SEP 25 52 164,777 $159,070.73 0.20% $159,070.73 0.20% - Mortgage-Backed Securities United States
US3137HJAS65 Freddie Mac REMICS 5.75% FEB 25 55 158,588 $159,055.01 0.20% $159,055.01 0.20% - Mortgage-Backed Securities United States
US3137HJSW85 Freddie Mac REMICS 5.95% FEB 25 55 156,687 $158,292.16 0.20% $158,292.16 0.20% - Mortgage-Backed Securities United States
US38385G5H88 Ginnie Mae 5.135% JUN 20 55 149,830 $147,836.39 0.19% $147,836.39 0.19% - Mortgage-Backed Securities United States
US38383KU425 Ginnie Mae 4.998% AUG 20 74 132,735 $132,881.20 0.17% $132,881.20 0.17% - Mortgage-Backed Securities United States
US3137HLVG45 Freddie Mac REMICS 5.75% JUN 25 55 129,113 $129,196.73 0.17% $129,196.73 0.17% - Mortgage-Backed Securities United States
US19648FRX41 Colorado Health Facilities Authority CO Txbl-Ref-Covenant Living Commu 2.800 DEC 01 26 130,000 $127,497.07 0.16% $127,497.07 0.16% - Municipal United States
US3137HMCD08 FREMF 2025-K171 Mortgage Trust FRB JUL 25 35 8,895,940 $124,559.61 0.16% $124,559.62 0.16% - Mortgage-Backed Securities United States
US3137FXYZ54 Freddie Mac Multifamily Structured Pass Through Certificates FRB JAN 25 31 4,478,706 $119,271.74 0.15% $119,271.74 0.15% - Mortgage-Backed Securities United States
US3136BQRD38 Fannie Mae REMICS 5.8% NOV 25 53 112,363 $114,192.31 0.15% $114,192.31 0.15% - Mortgage-Backed Securities United States
US38380LCL53 Ginnie Mae 5.425% MAY 20 68 112,122 $112,763.03 0.14% $112,763.03 0.14% - Mortgage-Backed Securities United States
US3137FV5Q11 Freddie Mac Multifamily Structured Pass Through Certificates FRB JUN 25 30 1,872,821 $103,262.01 0.13% $103,262.00 0.13% - Mortgage-Backed Securities United States
US67449AAA34 OBX 2025-NQM8 Trust 144A 5.472% MAR 25 65 97,382 $97,899.93 0.13% $97,899.93 0.13% - Residential Mortgage Backed Securities United States
US61778LAA35 Morgan Stanley Residential Mortgage Loan Trust 2025-NQM3 144A 5.53% MAY 25 70 97,080 $97,476.88 0.13% $97,476.87 0.13% - Residential Mortgage Backed Securities United States
US20848FAA84 Conservation Fund A Nonprofit Corp 3.474% DEC 15 29 86,000 $81,126.73 0.10% $81,126.73 0.10% - Corporate Debt United States
US3137FRUV19 Freddie Mac Multifamily Structured Pass Through Certificates FRB JAN 25 30 1,589,474 $80,614.68 0.10% $80,614.68 0.10% - Mortgage-Backed Securities United States
US59447TV835 Michigan Finance Authority MI Txbl-Ser A-1A 1.300 JUL 25 61 78,471 $77,200.27 0.10% $77,200.27 0.10% - Municipal United States
US38384XSB00 Ginnie Mae 5.398% OCT 20 54 70,647 $70,478.75 0.09% $70,478.75 0.09% - Mortgage-Backed Securities United States
US3137HFP335 Freddie Mac Multifamily Structured Pass Through Certificates FRB JUL 25 29 1,785,431 $55,135.44 0.07% $55,135.45 0.07% - Mortgage-Backed Securities United States
US3137HK2F08 Freddie Mac Multifamily Structured Pass Through Certificates FRB JAN 25 35 1,959,567 $46,655.44 0.06% $46,655.44 0.06% - Mortgage-Backed Securities United States
US3137HAAL04 Freddie Mac Multifamily Structured Pass Through Certificates FRB MAY 25 33 2,000,000 $42,531.70 0.05% $42,531.70 0.05% - Mortgage-Backed Securities United States
US3137HHJ441 Freddie Mac Multifamily Structured Pass Through Certificates FRB SEP 25 34 439,526 $30,857.93 0.04% $30,857.93 0.04% - Mortgage-Backed Securities United States
US3137HDJK78 Freddie Mac Multifamily Structured Pass Through Certificates FRB MAY 25 29 1,693,959 $26,291.28 0.03% $26,291.28 0.03% - Mortgage-Backed Securities United States
US442851AG63 Howard University 2.516 OCT 01 25 26,000 $26,080.89 0.03% $26,080.89 0.03% - Corporate Debt United States
US3136BBTT92 Fannie Mae REMICS 4% SEP 25 50 122,610 $24,254.81 0.03% $24,254.81 0.03% - Mortgage-Backed Securities United States
US38376RS568 Ginnie Mae 5.249% JAN 20 67 23,815 $24,024.35 0.03% $24,024.36 0.03% - Mortgage-Backed Securities United States
US3137FXSE99 Freddie Mac REMICS 2.5% MAR 25 51 139,191 $23,228.15 0.03% $23,228.16 0.03% - Mortgage-Backed Securities United States
US3137HKSB12 Freddie Mac Multifamily Structured Pass Through Certificates 0.571% JAN 25 30 396,689 $9,470.63 0.01% $9,470.63 0.01% - Mortgage-Backed Securities United States
- Other - $-6,601,505.80 -8.48% $-27,069,524.34 -34.79% - - -
- Cash & Cash Equivalents - $494,868.37 0.64% $494,868.37 0.64% - - -

*Short positions, unlike long positions, lose value if the underlying asset gains value.

Portfolio characteristics are based on equivalent exposure, which measures how a portfolio's value would change due to price changes in an asset held either directly or, in the case of a derivative contract, indirectly. The market value of the holding may differ.
Other. Other consists of: (i) currency derivatives and/or (ii) any derivative offsets.
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