Full & Historical Holdings

Inflation-Adjusted Bond Portfolio


View Historical Holdings by Month
Based on Market Value Based on Equivalent Exposure
CUSIP/SEDOL Ticker Securities
(on 03-31-25)
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
91282CBF 91282CBF US Treasury Inflation Indexed Bonds 0.125% JAN 15 31 26,285,908 $24,282,566.11 15.54% $24,282,566.11 15.54% - U.S. Governments United States
OEM25F00 OEM25F00 Euro BOBL Future JUN 06 25 94 $0.00 0.00% $11,972,434.74 7.66% - Non U.S. Markets Germany
9128285W 9128285W US Treasury Inflation Indexed Bonds 0.875% JAN 15 29 10,907,640 $10,756,726.31 6.88% $10,756,726.31 6.88% - U.S. Governments United States
912810QV 912810QV US Treasury Inflation Indexed Bonds 0.75% FEB 15 42 10,742,253 $8,637,701.32 5.53% $8,637,701.32 5.53% - U.S. Governments United States
BYVYTQ BYVYTQ Italy Buoni Poliennali Del Tesoro RegS 1.25% SEP 15 32 7,892,072 $8,486,911.10 5.43% $8,486,911.10 5.43% - Non U.S. Markets Italy
SM11746R SM11746R USD CPI 2Yr Receiver 2.755 FEB 05 27 8,400,000 $0.00 0.00% $8,454,391.09 5.41% - U.S. Governments United States
91282CDX 91282CDX US Treasury Inflation Indexed Bonds 0.125% JAN 15 32 9,099,161 $8,236,968.19 5.27% $8,236,968.19 5.27% - U.S. Governments United States
DUM25F00 DUM25F00 Euro Schatz 2Yr Future JUN 06 25 62 $0.00 0.00% $7,170,327.37 4.59% - Non U.S. Markets Germany
135087WV 135087WV Canadian Government Real Return Bond 4% DEC 01 31 8,004,774 $6,841,350.17 4.38% $6,841,350.17 4.38% - Non U.S. Markets Canada
TUM25F00 TUM25F00 UST Bond 2Yr Future JUN 30 25 30 $0.00 0.00% $6,215,156.28 3.98% - U.S. Governments United States
TYM25F00 TYM25F00 UST Bond 10Yr Future JUN 18 25 52 $0.00 0.00% $5,783,375.00 3.70% - U.S. Governments United States
9128283R 9128283R US Treasury Inflation Indexed Bonds 0.5% JAN 15 28 5,267,347 $5,178,784.46 3.31% $5,178,784.46 3.31% - U.S. Governments United States
BYXYY3 BYXYY3 Italy Buoni Poliennali Del Tesoro 1.3% MAY 15 28 4,399,465 $4,881,935.07 3.12% $4,881,935.07 3.12% - Non U.S. Markets Italy
BNTY97 BNTY97 French Republic Government Bond OAT 0.6% JUL 25 34 4,694,052 $4,819,709.87 3.08% $4,819,709.88 3.08% - Non U.S. Markets France
SM11591R SM11591R USD CPI 2Yr Receiver 2.637 APR 15 26 4,600,000 $0.00 0.00% $4,642,074.08 2.97% - U.S. Governments United States
SM11576R SM11576R USD CPI 2Yr Receiver 2.482 MAR 19 26 4,500,000 $4,560,464.34 2.92% $4,560,464.34 2.92% - U.S. Governments United States
B3LZBF B3LZBF United Kingdom Inflation-Linked Gilt RegS 0.625% MAR 22 40 3,822,523 $4,230,746.28 2.71% $4,230,746.28 2.71% - Non U.S. Markets United Kingdom
BNNGP5 BNNGP5 United Kingdom Inflation-Linked Gilt RegS 0.125% AUG 10 31 3,261,899 $4,059,337.12 2.60% $4,059,337.12 2.60% - Non U.S. Markets United Kingdom
912828V4 912828V4 US Treasury Inflation Indexed Bonds 0.375% JAN 15 27 4,096,505 $4,057,251.71 2.60% $4,057,251.70 2.60% - U.S. Governments United States
B1L6W9 B1L6W9 United Kingdom Inflation-Linked Gilt RegS 1.125% NOV 22 37 3,050,429 $3,810,318.93 2.44% $3,810,318.93 2.44% - Non U.S. Markets United Kingdom
B58RK8 B58RK8 Italy Buoni Poliennali Del Tesoro 2.55% SEP 15 41 2,933,352 $3,312,370.92 2.12% $3,312,370.91 2.12% - Non U.S. Markets Italy
912810RL 912810RL US Treasury Inflation Indexed Bonds 0.75% FEB 15 45 4,080,816 $3,099,168.96 1.98% $3,099,168.95 1.98% - U.S. Governments United States
BD1DN8 BD1DN8 Japanese Government CPI Linked Bond 0.1% MAR 10 26 425,850,800 $2,873,467.11 1.84% $2,873,467.12 1.84% - Non U.S. Markets Japan
BGN945 BGN945 Spain Government Inflation Linked Bond 144A 0.7% NOV 30 33 2,671,147 $2,781,500.99 1.78% $2,781,500.99 1.78% - Non U.S. Markets Spain
SM11684R SM11684R USD CPI 5Yr Receiver 2.531 NOV 05 29 2,700,000 $0.00 0.00% $2,720,666.26 1.74% - U.S. Governments United States
317908 317908 United Kingdom Gilt Inflation Linked 2.000 JAN 26 35 1,968,010 $2,696,496.61 1.73% $2,696,496.61 1.73% - Non U.S. Markets United Kingdom
B3MYD3 B3MYD3 United Kingdom Inflation-Linked Gilt RegS 0.625% NOV 22 42 2,286,064 $2,431,349.96 1.56% $2,431,349.97 1.56% - Non U.S. Markets United Kingdom
912810TE 912810TE US Treasury Inflation Indexed Bonds 0.125% FEB 15 52 4,273,644 $2,419,294.37 1.55% $2,419,294.37 1.55% - U.S. Governments United States
B3Y1JG B3Y1JG United Kingdom Inflation-Linked Gilt RegS 0.125% MAR 22 29 1,851,098 $2,365,030.05 1.51% $2,365,030.05 1.51% - Non U.S. Markets United Kingdom
BLC8NH BLC8NH Spain Government Inflation Linked Bond 2.05% NOV 30 39 2,014,494 $2,292,819.11 1.47% $2,292,819.11 1.47% - Non U.S. Markets Spain
B24FFM B24FFM United Kingdom Inflation-Linked Gilt RegS 0.75% NOV 22 47 2,060,622 $2,073,797.30 1.33% $2,073,797.30 1.33% - Non U.S. Markets United Kingdom
91282CJY 91282CJY US Treasury Inflation Indexed Bonds 1.75% JAN 15 34 1,760,982 $1,764,405.10 1.13% $1,764,405.10 1.13% - U.S. Governments United States
912810QF 912810QF US Treasury Inflation Indexed Bonds 2.125% FEB 15 40 1,660,818 $1,682,456.25 1.08% $1,682,456.25 1.08% - U.S. Governments United States
BP6KCJ BP6KCJ Japanese Government CPI Linked Bond 0.005% MAR 10 31 238,536,050 $1,651,851.66 1.06% $1,651,851.65 1.06% - Non U.S. Markets Japan
B73ZYW B73ZYW United Kingdom Inflation-Linked Gilt RegS 0.25% MAR 22 52 1,998,551 $1,614,674.14 1.03% $1,614,674.14 1.03% - Non U.S. Markets United Kingdom
BNB7RZ BNB7RZ French Republic Government Bond OAT 0.7% JUL 25 30 1,438,885 $1,564,693.80 1.00% $1,564,693.75 1.00% - Non U.S. Markets France
BP9DLZ BP9DLZ United Kingdom Inflation-Linked Gilt RegS 0.125% MAR 22 58 2,173,191 $1,561,611.00 1.00% $1,561,611.00 1.00% - Non U.S. Markets United Kingdom
XQM25F00 XQM25F00 Canadian Bond 5Yr Future JUN 19 25 19 $0.00 0.00% $1,530,509.71 0.98% - Non U.S. Markets Canada
BX3JD8 BX3JD8 Sweden Inflation Linked Bond 0.125% JUN 01 32 16,052,858 $1,511,357.70 0.97% $1,511,357.70 0.97% - Non U.S. Markets Sweden
BWH62M BWH62M Spain Government Inflation Linked Bond 1% NOV 30 30 1,365,004 $1,501,295.79 0.96% $1,501,295.81 0.96% - Non U.S. Markets Spain
912810TY 912810TY US Treasury Inflation Indexed Bonds 2.125% FEB 15 54 1,460,498 $1,405,104.27 0.90% $1,405,104.27 0.90% - U.S. Governments United States
BYMWG3 BYMWG3 United Kingdom Inflation-Linked Gilt RegS 0.125% MAR 22 46 1,527,047 $1,340,423.76 0.86% $1,340,423.76 0.86% - Non U.S. Markets United Kingdom
XMM25F00 XMM25F00 Aud Bond 10Yr Future JUN 16 25 17 $0.00 0.00% $1,196,721.29 0.77% - Non U.S. Markets Australia
BQXL3H BQXL3H Hellenic Republic Government Bond 3.375% JUN 15 34 900,000 $994,764.71 0.64% $994,764.71 0.64% - Emerging Markets Greece
B4PTCY B4PTCY United Kingdom Inflation-Linked Gilt RegS 0.375% MAR 22 62 1,202,528 $919,874.81 0.59% $919,874.81 0.59% - Non U.S. Markets United Kingdom
135087B9 135087B9 Canadian Government Real Return Bond 1.25% DEC 01 47 1,255,958 $853,475.54 0.55% $853,485.48 0.55% - Non U.S. Markets Canada
135087XQ 135087XQ Canadian Government Real Return Bond 3% DEC 01 36 978,844 $835,288.98 0.53% $835,288.97 0.53% - Non U.S. Markets Canada
BDX8CX BDX8CX United Kingdom Inflation-Linked Gilt RegS 0.125% MAR 22 68 1,262,787 $808,480.91 0.52% $808,480.92 0.52% - Non U.S. Markets United Kingdom
BNRN36 BNRN36 Italy Buoni Poliennali Del Tesoro 0.15% MAY 15 51 1,007,753 $644,465.70 0.41% $644,465.70 0.41% - Non U.S. Markets Italy
BSM8TQ BSM8TQ New Zealand Government Inflation Linked Bond RegS 2.5% SEP 20 35 1,158,938 $642,178.45 0.41% $642,178.45 0.41% - Non U.S. Markets New Zealand
889184AF 889184AF Toledo Hospital 5.325% NOV 15 28 487,000 $501,481.65 0.32% $501,481.65 0.32% - Corporate Debt United States
80288DAB 80288DAB Santander Drive Auto Receivables Trust 2025-1 4.76% AUG 16 27 492,000 $492,993.86 0.32% $492,993.87 0.32% - Asset Backed Securities United States
B0CNHZ B0CNHZ United Kingdom Inflation-Linked Gilt RegS 1.25% NOV 22 55 456,508 $489,409.68 0.31% $489,409.68 0.31% - Non U.S. Markets United Kingdom
B7RN0G B7RN0G United Kingdom Inflation-Linked Gilt RegS 0.125% MAR 22 44 483,115 $444,354.84 0.28% $444,354.84 0.28% - Non U.S. Markets United Kingdom
BYX4Z3 BYX4Z3 French Republic Government Bond OAT 0.1% JUL 25 47 489,926 $375,949.80 0.24% $375,949.79 0.24% - Non U.S. Markets France
BD9MZZ BD9MZZ United Kingdom Inflation-Linked Gilt RegS 0.125% NOV 22 65 571,531 $373,382.12 0.24% $373,382.11 0.24% - Non U.S. Markets United Kingdom
023947AC 023947AC AmeriCredit Automobile Receivables Trust 2024-1 5.933% FEB 18 28 335,842 $336,686.41 0.22% $336,686.41 0.22% - Asset Backed Securities United States
B421JZ B421JZ United Kingdom Inflation-Linked Gilt RegS 0.5% MAR 22 50 367,104 $330,207.06 0.21% $330,207.06 0.21% - Non U.S. Markets United Kingdom
3137H9AD 3137H9AD Freddie Mac REMICS 5.16% SEP 25 52 323,603 $314,278.49 0.20% $314,278.50 0.20% - Mortgage-Backed Securities United States
20848FAA 20848FAA Conservation Fund A Nonprofit Corp 3.474% DEC 15 29 312,000 $296,084.93 0.19% $296,084.92 0.19% - Corporate Debt United States
10806HAB 10806HAB Bridgecrest Lending Auto Securitization Trust 2025-1 5.01% SEP 15 27 286,000 $286,626.68 0.18% $286,626.67 0.18% - Asset Backed Securities United States
3137HJ5Z 3137HJ5Z Freddie Mac Multifamily Structured Pass Through Certificates 4.843% SEP 25 29 275,048 $274,939.77 0.18% $274,939.78 0.18% - Mortgage-Backed Securities United States
016269AE 016269AE Alinea CLO 2018-1 Ltd 144A 5.203% JUL 20 31 267,759 $269,421.74 0.17% $269,421.74 0.17% - Collateralized Loan Obligations United States
3137HJBF 3137HJBF Freddie Mac REMICS 5.24% OCT 25 54 235,122 $235,352.91 0.15% $235,352.90 0.15% - Mortgage-Backed Securities United States
BPNXRC BPNXRC French Republic Government Bond OAT 0.1% JUL 25 53 330,296 $232,793.23 0.15% $232,793.23 0.15% - Non U.S. Markets France
3136BQRD 3136BQRD Fannie Mae REMICS 5.79% NOV 25 53 228,949 $230,996.10 0.15% $230,996.11 0.15% - Mortgage-Backed Securities United States
08162RAF 08162RAF Benchmark 2021-B23 Mortgage Trust FRB FEB 15 54 4,227,637 $225,851.95 0.14% $225,851.96 0.14% - Commercial Mortgage-Backed Securities United States
08163GAZ 08163GAZ Benchmark 2021-B28 Mortgage Trust FRB AUG 15 54 3,886,236 $221,243.65 0.14% $221,243.65 0.14% - Commercial Mortgage-Backed Securities United States
BYSP0S BYSP0S Australia Government Bond 1.25% AUG 21 40 386,273 $200,982.44 0.13% $200,982.44 0.13% - Non U.S. Markets Australia
3137H5DT 3137H5DT Freddie Mac Multifamily Structured Pass Through Certificates FRB DEC 25 31 6,916,623 $197,708.14 0.13% $197,708.14 0.13% - Mortgage-Backed Securities United States
06541ABM 06541ABM BANK 2021-BNK31 FRB FEB 15 54 3,211,863 $189,617.39 0.12% $189,617.39 0.12% - Commercial Mortgage-Backed Securities United States
505709AB 505709AB LAD Auto Receivables Trust 2024-3 144A 4.64% NOV 15 27 187,000 $187,452.81 0.12% $187,452.81 0.12% - Asset Backed Securities United States
08163HAG 08163HAG Benchmark 2021-B27 Mortgage Trust FRB JUL 15 54 3,200,280 $178,451.56 0.11% $178,451.57 0.11% - Commercial Mortgage-Backed Securities United States
16144QAB 16144QAB Chase Auto Owner Trust 2024-5 144A 4.4% NOV 26 27 161,907 $161,871.30 0.10% $161,871.30 0.10% - Asset Backed Securities United States
BM8Z2W BM8Z2W United Kingdom Inflation-Linked Gilt RegS 0.125% MAR 22 73 215,973 $147,201.05 0.09% $147,201.04 0.09% - Non U.S. Markets United Kingdom
3137FYUL 3137FYUL Freddie Mac Multifamily Structured Pass Through Certificates FRB MAR 25 31 5,892,015 $146,589.63 0.09% $146,589.63 0.09% - Mortgage-Backed Securities United States
3137H4CH 3137H4CH Freddie Mac Multifamily Structured Pass Through Certificates FRB NOV 25 31 6,965,967 $144,586.07 0.09% $144,586.08 0.09% - Mortgage-Backed Securities United States
3137H4BT 3137H4BT Freddie Mac Multifamily Structured Pass Through Certificates FRB SEP 25 31 4,635,695 $141,886.93 0.09% $141,886.93 0.09% - Mortgage-Backed Securities United States
80288DAC 80288DAC Santander Drive Auto Receivables Trust 2025-1 4.74% JAN 16 29 125,000 $125,743.88 0.08% $125,743.88 0.08% - Asset Backed Securities United States
08163CBE 08163CBE Benchmark 2021-B24 Mortgage Trust FRB MAR 15 54 2,503,271 $113,637.13 0.07% $113,637.13 0.07% - Commercial Mortgage-Backed Securities United States
05551VBK 05551VBK BBCMS Trust 2021-C10 FRB JUL 15 54 1,958,985 $109,191.90 0.07% $109,191.90 0.07% - Commercial Mortgage-Backed Securities United States
95003DBP 95003DBP Wells Fargo Commercial Mortgage Trust 2021-C60 FRB AUG 15 54 1,419,236 $98,239.53 0.06% $98,239.53 0.06% - Commercial Mortgage-Backed Securities United States
05493EAZ 05493EAZ BBCMS Mortgage Trust 2021-C9 FRB FEB 15 54 1,301,011 $93,657.58 0.06% $93,657.58 0.06% - Commercial Mortgage-Backed Securities United States
3137FUZZ 3137FUZZ Freddie Mac Multifamily Structured Pass Through Certificates FRB MAY 25 30 1,221,668 $93,365.37 0.06% $93,365.37 0.06% - Mortgage-Backed Securities United States
61692CBK 61692CBK Morgan Stanley Capital I Trust 2021-L6 FRB JUN 15 54 1,926,387 $89,676.69 0.06% $89,676.69 0.06% - Commercial Mortgage-Backed Securities United States
61691YAP 61691YAP Morgan Stanley Capital I Trust 2021-L5 FRB MAY 15 54 1,639,470 $87,501.86 0.06% $87,501.86 0.06% - Commercial Mortgage-Backed Securities United States
88581EAF 88581EAF 3650R 2021-PF1 Commercial Mortgage Trust 1.003% NOV 15 54 2,066,185 $85,510.96 0.05% $85,510.96 0.05% - Commercial Mortgage-Backed Securities United States
442851AG 442851AG Howard University 2.516 OCT 01 25 82,000 $81,703.61 0.05% $81,703.61 0.05% - Corporate Debt United States
3137F9ZC 3137F9ZC Freddie Mac Multifamily Structured Pass Through Certificates FRB JAN 25 31 1,882,263 $76,538.44 0.05% $76,538.44 0.05% - Mortgage-Backed Securities United States
3137FXZ5 3137FXZ5 Freddie Mac Multifamily Structured Pass Through Certificates FRB JAN 25 31 4,848,421 $72,197.08 0.05% $72,197.09 0.05% - Mortgage-Backed Securities United States
3137HAAL 3137HAAL Freddie Mac Multifamily Structured Pass Through Certificates FRB MAY 25 33 3,200,000 $69,852.95 0.04% $69,852.95 0.04% - Mortgage-Backed Securities United States
3137F9Z3 3137F9Z3 Freddie Mac Multifamily Structured Pass Through Certificates FRB JAN 25 31 1,425,035 $67,523.00 0.04% $67,523.00 0.04% - Mortgage-Backed Securities United States
3137H3EZ 3137H3EZ Freddie Mac Multifamily Structured Pass Through Certificates FRB SEP 25 31 1,417,400 $66,674.33 0.04% $66,674.34 0.04% - Mortgage-Backed Securities United States
29390HAB 29390HAB Enterprise Fleet Financing 2025-1 LLC 144A 4.65% OCT 20 27 66,000 $66,206.98 0.04% $66,206.97 0.04% - Asset Backed Securities United States
06540CBL 06540CBL BANK 2021-BNK35 FRB JUN 15 64 1,285,334 $60,761.66 0.04% $60,761.65 0.04% - Commercial Mortgage-Backed Securities United States
3137H2NA 3137H2NA Freddie Mac Multifamily Structured Pass Through Certificates FRB JUL 25 31 1,133,380 $59,502.40 0.04% $59,502.40 0.04% - Mortgage-Backed Securities United States
3137HHJ4 3137HHJ4 Freddie Mac Multifamily Structured Pass Through Certificates FRB SEP 25 34 789,814 $56,970.38 0.04% $56,970.38 0.04% - Mortgage-Backed Securities United States
3136BBTT 3136BBTT Fannie Mae REMICS 4% SEP 25 50 239,057 $48,380.05 0.03% $48,380.05 0.03% - Mortgage-Backed Securities United States
3137HDJK 3137HDJK Freddie Mac Multifamily Structured Pass Through Certificates FRB MAY 25 29 2,664,093 $47,851.42 0.03% $47,851.43 0.03% - Mortgage-Backed Securities United States
3137H13T 3137H13T Freddie Mac Multifamily Structured Pass Through Certificates FRB MAY 25 31 709,327 $45,551.59 0.03% $45,551.59 0.03% - Mortgage-Backed Securities United States
3137FTG4 3137FTG4 Freddie Mac Multifamily Structured Pass Through Certificates FRB APR 25 30 564,669 $45,077.12 0.03% $45,077.13 0.03% - Mortgage-Backed Securities United States
3137HFP3 3137HFP3 Freddie Mac Multifamily Structured Pass Through Certificates FRB JUL 25 29 1,264,362 $42,614.93 0.03% $42,614.93 0.03% - Mortgage-Backed Securities United States
78414SAC 78414SAC SBNA Auto Lease Trust 2024-A 144A 5.45% JAN 20 26 39,401 $39,476.90 0.03% $39,476.90 0.03% - Asset Backed Securities United States
3137F62R 3137F62R Freddie Mac Multifamily Structured Pass Through Certificates FRB SEP 25 30 646,322 $36,464.40 0.02% $36,464.40 0.02% - Mortgage-Backed Securities United States
3137H4SM 3137H4SM FHMS K136 XAM 0.567 DEC 25 31 1,130,491 $36,164.71 0.02% $36,164.71 0.02% - Mortgage-Backed Securities United States
24702EAB 24702EAB Dell Equipment Finance Trust 2023-3 144A 6.1% APR 23 29 22,710 $22,774.48 0.01% $22,774.48 0.01% - Asset Backed Securities United States
02531AAA 02531AAA American Credit Acceptance Receivables Trust 2024-1 144A 5.61% JAN 12 27 15,627 $15,677.68 0.01% $15,677.68 0.01% - Asset Backed Securities United States
WNM25F00 WNM25F00 UST Ultra Bond Future JUN 18 25 -6 $0.00 0.00% $-733,500.00 -0.47% - U.S. Governments United States
RXM25F00 RXM25F00 Euro Bund 10Yr Future JUN 06 25 -14 $0.00 0.00% $-1,950,254.31 -1.25% - Non U.S. Markets Germany
UBM25F00 UBM25F00 Euro BUXL 30Yr Future JUN 06 25 -18 $0.00 0.00% $-2,321,205.08 -1.49% - Non U.S. Markets Germany
CNM25F00 CNM25F00 Canadian Bond 10Yr Future JUN 19 25 -27 $0.00 0.00% $-2,329,349.22 -1.49% - Non U.S. Markets Canada
CASH_DERV CASH_DERV Other - $-4,362,306.80 -2.79% $-46,706,569.14 -29.88% - - -
CASH CASH Cash & Cash Equivalents - $587,516.01 0.38% $580,421.22 0.37% - - -

*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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