Full & Historical Holdings

Active Core Plus Bond ETF


View Historical Holdings by Month
Based on Market Value Based on Equivalent Exposure
CUSIP/SEDOL Ticker Securities
(on 12-31-24)
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
TUH25F00 TUH25F00 UST Bond 2Yr Future MAR 31 25 21 $0.00 0.00% $4,317,796.90 14.71% - U.S. Governments United States
912810UF 912810UF US Treasury Bond 4.625% NOV 15 44 3,420,000 $3,336,602.32 11.37% $3,336,602.32 11.37% - U.S. Governments United States
91282CLS 91282CLS US Treasury Note 4.124% OCT 31 26 2,849,000 $2,862,567.20 9.75% $2,862,428.26 9.75% - U.S. Governments United States
91282CLR 91282CLR US Treasury Note 4.125% OCT 31 29 1,925,000 $1,916,295.42 6.53% $1,916,285.95 6.53% - U.S. Governments United States
912810UE 912810UE US Treasury Bond 4.5% NOV 15 54 1,871,000 $1,794,807.74 6.12% $1,794,795.18 6.12% - U.S. Governments United States
912810TZ 912810TZ US Treasury Bond 4.5% FEB 15 44 362,000 $351,696.87 1.20% $351,670.95 1.20% - U.S. Governments United States
03880XAG 03880XAG Arbor Realty Commercial Real Estate Notes 2022-FL1 Ltd 144A 2.35% JAN 15 37 327,000 $326,430.56 1.11% $326,430.56 1.11% - Collateralized Loan Obligations United States
87190CBL 87190CBL TCW CLO 2020-1 Ltd 144A 6.006% APR 20 34 300,000 $300,000.00 1.02% $300,000.00 1.02% - Collateralized Loan Obligations United States
06541DBH 06541DBH BANK 2023-BNK46 5.745% AUG 15 56 250,000 $258,595.86 0.88% $258,595.85 0.88% - Commercial Mortgage-Backed Securities United States
05684KAW 05684KAW Bain Capital Credit CLO 2020-4 Ltd 144A 7.117% OCT 20 36 250,000 $255,138.79 0.87% $255,138.79 0.87% - Collateralized Loan Obligations United States
55954PAQ 55954PAQ Magnetite XXI Ltd 144A 6.229% APR 20 34 250,000 $253,780.47 0.86% $253,780.47 0.86% - Collateralized Loan Obligations United States
55821UAC 55821UAC Madison Park Funding XLVIII Ltd 144A 6.329% APR 19 33 250,000 $253,752.15 0.86% $253,752.15 0.86% - Collateralized Loan Obligations United States
03880XAA 03880XAA Arbor Realty Commercial Real Estate Notes 2022-FL1 Ltd 144A 1.45% JAN 15 37 252,870 $253,539.10 0.86% $253,539.09 0.86% - Collateralized Loan Obligations United States
03880RAC 03880RAC Arbor Realty Commercial Real Estate Notes 2021-FL4 Ltd 144A 6.212% NOV 15 36 250,000 $251,196.21 0.86% $251,196.21 0.86% - Collateralized Loan Obligations United States
07335YAC 07335YAC BDS 2021-FL10 Ltd 144A FRB DEC 16 36 250,000 $251,205.03 0.86% $251,205.03 0.86% - Collateralized Loan Obligations United States
05593JAC 05593JAC BMP 2024-MF23 144A 6.039% JUN 15 41 250,000 $251,070.98 0.86% $251,070.98 0.86% - Commercial Mortgage-Backed Securities United States
361886DR 361886DR GMF Floorplan Owner Revolving Trust 144A 5.148% NOV 15 29 250,000 $251,057.73 0.86% $251,057.72 0.86% - Asset Backed Securities United States
26245CBU 26245CBU Dryden 43 Senior Loan Fund 144A 6.367% APR 20 34 250,000 $250,554.92 0.85% $250,554.92 0.85% - Collateralized Loan Obligations United States
82666TAQ 82666TAQ Signal Peak CLO 1 LTD 144A 6.295% APR 17 34 250,000 $250,392.34 0.85% $250,392.34 0.85% - Collateralized Loan Obligations United States
17180TBQ 17180TBQ CIFC Funding 2016-I Ltd 144A 0% OCT 21 31 250,000 $250,000.00 0.85% $250,000.00 0.85% - Collateralized Loan Obligations United States
822866AG 822866AG Shelter Growth CRE Issuer Ltd 144A FRB SEP 15 36 250,000 $249,730.86 0.85% $249,730.86 0.85% - Commercial Mortgage-Backed Securities United States
19688XAA 19688XAA COLT 2024-6 Mortgage Loan Trust 144A FRB NOV 25 69 247,482 $247,207.81 0.84% $247,207.81 0.84% - Residential Mortgage Backed Securities United States
98163HAE 98163HAE World Omni Select Auto Trust 2021-A 1.09% NOV 15 27 250,000 $243,961.40 0.83% $243,961.41 0.83% - Asset Backed Securities United States
03466JAA 03466JAA Angel Oak Mortgage Trust 2024-9 144A FRB SEP 25 69 243,811 $242,919.51 0.83% $242,919.50 0.83% - Residential Mortgage Backed Securities United States
55284JAA 55284JAA MF1 2022-FL8 Ltd 144A 1.4% FEB 19 37 229,966 $229,735.85 0.78% $229,735.85 0.78% - Collateralized Loan Obligations United States
30251GBC 30251GBC FMG Resources August 2006 Pty Ltd 144A 4.375% APR 01 31 252,000 $229,587.36 0.78% $229,587.36 0.78% - Corporate Debt Australia
303901BN 303901BN Fairfax Financial Holdings Ltd 6% DEC 07 33 213,000 $220,367.25 0.75% $220,367.25 0.75% - Corporate Debt Canada
775109CH 775109CH Rogers Communications Inc 3.8% MAR 15 32 241,000 $219,427.76 0.75% $219,427.76 0.75% - Corporate Debt Canada
28504DAD 28504DAD Electricite de France SA 144A 6.9% MAY 23 53 200,000 $215,985.56 0.74% $215,985.56 0.74% - Non U.S. Markets France
67118XAA 67118XAA OBX 2024-NQM6 Trust 144A 6.447% FEB 25 64 212,294 $215,554.93 0.73% $215,554.93 0.73% - Residential Mortgage Backed Securities United States
92540MAB 92540MAB Verus Securitization Trust 2024-3 144A 6.642% APR 25 69 211,155 $214,190.41 0.73% $214,190.42 0.73% - Residential Mortgage Backed Securities United States
19688VAA 19688VAA COLT 2024-3 Mortgage Loan Trust 144A FRB JUN 25 69 208,848 $211,854.27 0.72% $211,854.27 0.72% - Residential Mortgage Backed Securities United States
902613BH 902613BH UBS Group AG 144A FRB FEB 08 35 200,000 $205,836.06 0.70% $205,836.06 0.70% - Corporate Debt Switzerland
345397E2 345397E2 Ford Motor Credit Co LLC 6.05% MAR 05 31 200,000 $203,470.98 0.69% $203,470.98 0.69% - Corporate Debt United States
803014AB 803014AB Santos Finance Ltd 144A 6.875% SEP 19 33 188,000 $203,268.69 0.69% $203,268.70 0.69% - Corporate Debt Australia
14040HDC 14040HDC Capital One Financial Corp FRB OCT 30 31 181,000 $202,181.22 0.69% $202,181.22 0.69% - Corporate Debt United States
78448TAM 78448TAM SMBC Aviation Capital Finance DAC 144A 5.55% APR 03 34 200,000 $201,951.46 0.69% $201,951.47 0.69% - Corporate Debt Ireland
BN72KZ BN72KZ Ivory Coast Government International Bond RegS 7.625% JAN 30 33 200,000 $201,896.53 0.69% $201,896.53 0.69% - Emerging Markets Ivory Coast
04505AAA 04505AAA Ashtead Capital Inc 144A 5.5% AUG 11 32 200,000 $201,708.67 0.69% $201,708.67 0.69% - Corporate Debt United Kingdom
79588TAF 79588TAF Sammons Financial Group Inc 144A 6.875% APR 15 34 190,000 $201,299.26 0.69% $201,299.26 0.69% - Corporate Debt United States
21871XAS 21871XAS Corebridge Financial Inc 5.75% JAN 15 34 192,000 $200,667.06 0.68% $200,667.05 0.68% - Corporate Debt United States
87612BBU 87612BBU Targa Resources Partners LP 4% JAN 15 32 215,000 $199,561.85 0.68% $199,561.85 0.68% - Corporate Debt United States
31488VAA 31488VAA Ferguson Enterprises Inc 5% OCT 03 34 206,000 $199,384.60 0.68% $199,384.60 0.68% - Corporate Debt United States
26874RAN 26874RAN Eni SpA 144A 5.5% MAY 15 34 200,000 $199,079.53 0.68% $199,079.52 0.68% - Corporate Debt Italy
38141GYN 38141GYN Goldman Sachs Group Inc FRB OCT 21 32 234,000 $198,989.29 0.68% $198,989.29 0.68% - Corporate Debt United States
BRDVZ9 BRDVZ9 Guatemala Government Bond RegS 6.6% JUN 13 36 200,000 $198,260.00 0.68% $198,260.00 0.68% - Emerging Markets Guatemala
BSLTPN BSLTPN Serbia International Bond RegS 6% JUN 12 34 200,000 $197,332.53 0.67% $197,332.53 0.67% - Emerging Markets Serbia
900123DA 900123DA Turkiye Government International Bond 5.95% JAN 15 31 200,000 $194,852.42 0.66% $194,852.42 0.66% - Emerging Markets Turkey
61775UAA 61775UAA Morgan Stanley Residential Mortgage Loan Trust 2024-NQM1 144A FRB DEC 25 68 188,802 $191,046.91 0.65% $191,046.92 0.65% - Residential Mortgage Backed Securities United States
251526CY 251526CY Deutsche Bank AG/New York NY FRB SEP 11 35 192,000 $185,082.57 0.63% $185,082.57 0.63% - Corporate Debt Germany
670001AH 670001AH Novelis Corp 144A 3.875% AUG 15 31 207,000 $181,255.84 0.62% $181,255.84 0.62% - Corporate Debt United States
BJP84G BJP84G Dominican Republic International Bond RegS 4.875% SEP 23 32 200,000 $181,054.17 0.62% $181,054.17 0.62% - Emerging Markets Dominican Republic
853496AH 853496AH Standard Industries Inc/NY 144A 3.375% JAN 15 31 206,000 $179,832.31 0.61% $179,832.31 0.61% - Corporate Debt United States
12434LAA 12434LAA BXMT 2020-FL2 LTD 144A 2.56% FEB 16 37 181,873 $179,551.28 0.61% $179,551.28 0.61% - Commercial Mortgage-Backed Securities United States
902613AD 902613AD UBS Group AG 144A FRB AUG 10 69 (PERP) 200,000 $174,951.12 0.60% $174,951.12 0.60% - Corporate Debt Switzerland
92769VAJ 92769VAJ Virgin Media Finance PLC 144A 5% JUL 15 30 200,000 $173,880.97 0.59% $173,880.98 0.59% - Corporate Debt United Kingdom
44891ABL 44891ABL Hyundai Capital America 144A 6.375% APR 08 30 152,000 $161,003.82 0.55% $161,003.82 0.55% - Corporate Debt United States
054989AA 054989AA BAT Capital Corp 6.343% AUG 02 30 138,000 $148,730.70 0.51% $148,730.70 0.51% - Corporate Debt United Kingdom
10112RBH 10112RBH Boston Properties LP 6.5% JAN 15 34 138,000 $148,745.36 0.51% $148,745.35 0.51% - Corporate Debt United States
161175AZ 161175AZ Charter Communications Operating LLC 6.384% OCT 23 35 147,000 $148,499.57 0.51% $148,499.57 0.51% - Corporate Debt United States
694308KP 694308KP Pacific Gas and Electric Co 6.95% MAR 15 34 133,000 $148,386.43 0.51% $148,386.43 0.51% - Corporate Debt United States
05526DBW 05526DBW BAT Capital Corp 4.742% MAR 16 32 152,000 $148,305.44 0.51% $148,305.44 0.51% - Corporate Debt United Kingdom
61747YFF 61747YFF Morgan Stanley FRB JUL 20 29 143,000 $148,082.39 0.50% $148,082.39 0.50% - Corporate Debt United States
10112RBJ 10112RBJ Boston Properties LP 5.75% JAN 15 35 148,000 $148,044.40 0.50% $148,044.40 0.50% - Corporate Debt United States
46647PDG 46647PDG JPMorgan Chase & Co FRB JUL 25 28 145,000 $148,000.67 0.50% $148,000.66 0.50% - Corporate Debt United States
100743AM 100743AM Boston Gas Co 144A 3.757% MAR 16 32 164,000 $147,812.31 0.50% $147,812.31 0.50% - Corporate Debt United States
571903BG 571903BG Marriott International Inc/MD 2.85% APR 15 31 168,000 $147,774.01 0.50% $147,774.01 0.50% - Corporate Debt United States
37940XAH 37940XAH Global Payments Inc 2.9% NOV 15 31 172,000 $147,743.01 0.50% $147,743.00 0.50% - Corporate Debt United States
23311VAK 23311VAK DCP Midstream Operating LP 3.25% FEB 15 32 169,000 $147,569.76 0.50% $147,569.76 0.50% - Corporate Debt United States
674599EL 674599EL Occidental Petroleum Corp 5.55% OCT 01 34 148,000 $147,492.34 0.50% $147,492.35 0.50% - Corporate Debt United States
01626PAU 01626PAU Alimentation Couche-Tard Inc 144A 5.267% FEB 12 34 148,000 $147,405.23 0.50% $147,405.23 0.50% - Corporate Debt Canada
862121AA 862121AA Store Capital LLC 4.5% MAR 15 28 150,000 $147,411.95 0.50% $147,411.95 0.50% - Corporate Debt United States
04316JAH 04316JAH Arthur J Gallagher & Co 5.45% JUL 15 34 143,000 $147,385.35 0.50% $147,385.35 0.50% - Corporate Debt United States
26884LAL 26884LAL EQT Corp 5% JAN 15 29 146,000 $147,270.31 0.50% $147,270.31 0.50% - Corporate Debt United States
03027XCM 03027XCM American Tower Corp 5.4% JAN 31 35 148,000 $147,272.38 0.50% $147,272.38 0.50% - Corporate Debt United States
718172DB 718172DB Philip Morris International Inc 5.375% FEB 15 33 144,000 $147,202.72 0.50% $147,202.72 0.50% - Corporate Debt United States
61747YFM 61747YFM Morgan Stanley FRB FEB 07 39 143,000 $146,867.76 0.50% $146,867.76 0.50% - Corporate Debt United States
72650RBP 72650RBP Plains All American Pipeline LP 5.7% SEP 15 34 143,000 $146,868.50 0.50% $146,868.49 0.50% - Corporate Debt United States
50212YAF 50212YAF LPL Holdings Inc 144A 4.375% MAY 15 31 158,000 $146,621.11 0.50% $146,621.11 0.50% - Corporate Debt United States
46590XAY 46590XAY JBS USA Holding Lux Sarl/ JBS USA Food Co/ JBS Lux Co Sarl 5.75% APR 01 33 145,000 $146,419.87 0.50% $146,419.87 0.50% - Corporate Debt United States
46647PER 46647PER JPMorgan Chase & Co FRB OCT 22 35 150,000 $145,950.34 0.50% $145,950.34 0.50% - Corporate Debt United States
501889AF 501889AF LKQ Corp 6.25% JUN 15 33 140,000 $144,790.86 0.49% $144,790.86 0.49% - Corporate Debt United States
115236AG 115236AG Brown & Brown Inc 5.65% JUN 11 34 142,000 $142,599.23 0.49% $142,599.23 0.49% - Corporate Debt United States
254709AS 254709AS Discover Financial Services 6.7% NOV 29 32 132,000 $141,468.80 0.48% $141,468.81 0.48% - Corporate Debt United States
862121AB 862121AB Store Capital LLC 4.625% MAR 15 29 142,000 $138,717.32 0.47% $138,717.33 0.47% - Corporate Debt United States
067316AG 067316AG Bacardi Ltd 144A 5.15% MAY 15 38 147,000 $136,160.16 0.46% $136,160.16 0.46% - Corporate Debt Bermuda
04273WAE 04273WAE Arrow Electronics Inc 5.875% APR 10 34 133,000 $135,485.96 0.46% $135,485.96 0.46% - Corporate Debt United States
097023DS 097023DS Boeing Co 6.528% MAY 01 34 127,000 $134,428.04 0.46% $134,428.04 0.46% - Corporate Debt United States
05565QDW 05565QDW BP Capital Markets PLC FRB SEP 01 72 128,000 $134,247.69 0.46% $134,247.69 0.46% - Corporate Debt United States
87264ACB 87264ACB T-Mobile USA Inc 2.55% FEB 15 31 154,000 $133,949.14 0.46% $133,949.15 0.46% - Corporate Debt United States
06051GKL 06051GKL Bank of America Corp FRB MAR 08 37 149,000 $133,782.42 0.46% $133,782.42 0.46% - Corporate Debt United States
BN95VC BN95VC Goldman Sachs Group Inc FRB FEB 24 33 153,000 $133,540.23 0.46% $133,540.24 0.46% - Corporate Debt United States
61747YFT 61747YFT Morgan Stanley FRB JUL 19 35 131,000 $131,988.96 0.45% $131,988.96 0.45% - Corporate Debt United States
65342QAM 65342QAM NextEra Energy Operating Partners LP 144A 7.25% JAN 15 29 120,000 $126,753.18 0.43% $126,753.18 0.43% - Corporate Debt United States
01883LAD 01883LAD Alliant Holdings Intermediate LLC 144A 5.875% NOV 01 29 130,000 $126,161.49 0.43% $126,161.49 0.43% - Corporate Debt United States
131347CR 131347CR Calpine Corp 144A 3.75% MAR 01 31 139,000 $125,974.45 0.43% $125,974.45 0.43% - Corporate Debt United States
71376LAF 71376LAF Performance Food Group Inc 144A 6.5% SEP 15 32 123,000 $125,275.44 0.43% $125,275.44 0.43% - Corporate Debt United States
26873CAB 26873CAB EMRLD Borrower LP 144A 6.75% JUL 15 31 120,000 $124,711.86 0.42% $124,711.86 0.42% - Corporate Debt United States
450913AF 450913AF IAMGOLD Corp 144A 5.75% OCT 15 28 127,000 $124,630.00 0.42% $124,630.00 0.42% - Emerging Markets Burkina Faso
92328MAE 92328MAE Venture Global Calcasieu Pass LLC 144A 6.25% JAN 15 30 120,000 $124,578.17 0.42% $124,578.17 0.42% - Corporate Debt United States
737446AX 737446AX Post Holdings Inc 144A 6.25% OCT 15 34 126,000 $124,535.48 0.42% $124,535.48 0.42% - Corporate Debt United States
893647BP 893647BP TransDigm Inc 4.625% JAN 15 29 130,000 $124,467.73 0.42% $124,467.73 0.42% - Corporate Debt United States
703343AD 703343AD Patrick Industries Inc 144A 4.75% MAY 01 29 131,000 $124,322.53 0.42% $124,322.53 0.42% - Corporate Debt United States
69703NAE 69703NAE Palmer Square Loan Funding 2024-1 Ltd 144A 6.911% OCT 15 32 120,000 $122,739.50 0.42% $122,739.50 0.42% - Collateralized Loan Obligations United States
44332PAH 44332PAH HUB International Ltd 144A 7.25% JUN 15 30 117,000 $120,272.78 0.41% $120,272.78 0.41% - Corporate Debt United States
69867RAA 69867RAA Panther Escrow Issuer LLC 144A 7.125% JUN 01 31 117,000 $118,539.84 0.40% $118,539.84 0.40% - Corporate Debt United States
75606DAL 75606DAL Anywhere Real Estate Group LLC 144A 5.75% JAN 15 29 140,000 $115,662.24 0.39% $115,662.24 0.39% - Corporate Debt United States
55609NAC 55609NAC Macquarie Airfinance Holdings Ltd 144A 6.4% MAR 26 29 103,000 $107,719.62 0.37% $107,719.62 0.37% - Corporate Debt United Kingdom
55416AAC 55416AAC MF1 2024-FL14 LLC 144A 6.606% MAR 19 39 100,000 $100,376.26 0.34% $100,376.26 0.34% - Collateralized Loan Obligations United States
758750AP 758750AP Regal Rexnord Corp 6.4% APR 15 33 90,000 $94,077.26 0.32% $94,077.26 0.32% - Corporate Debt United States
758750AN 758750AN Regal Rexnord Corp 6.3% FEB 15 30 89,000 $93,669.98 0.32% $93,669.98 0.32% - Corporate Debt United States
808513CB 808513CB Charles Schwab Corp FRB JUN 01 70 90,000 $87,743.61 0.30% $87,743.61 0.30% - Corporate Debt United States
50212YAD 50212YAD LPL Holdings Inc 144A 4% MAR 15 29 78,000 $74,788.27 0.25% $74,788.27 0.25% - Corporate Debt United States
097023CW 097023CW Boeing Co 5.805% MAY 01 50 72,000 $67,667.65 0.23% $67,667.65 0.23% - Corporate Debt United States
459506AQ 459506AQ International Flavors & Fragrances Inc 144A 2.3% NOV 01 30 79,000 $67,387.24 0.23% $67,387.25 0.23% - Corporate Debt United States
459506AS 459506AS International Flavors & Fragrances Inc 144A 3.468% DEC 01 50 98,000 $64,474.46 0.22% $64,474.46 0.22% - Corporate Debt United States
XYH25F00 XYH25F00 UST 10Yr Ultra Bond Future MAR 20 25 -3 $0.00 0.00% $-333,937.50 -1.14% - U.S. Governments United States
CASH_DERV CASH_DERV Other - $0.00 0.00% $-3,983,672.51 -13.57% - - -
CASH CASH Cash & Cash Equivalents - $202,757.52 0.69% $202,757.52 0.69% - - -

*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.

The list of portfolio holdings is as of the date shown and may not represent current or future portfolio composition. This information should not be construed as a recommendation to buy or sell any of the securities mentioned.

This portfolio data has not been audited or adjusted for certain financial statement reclassifications. An audit could potentially result in adjustments to this data. For adjusted holdings information, please refer to the fund's quarterly portfolio holdings and semiannual reports. For audited portfolio holdings information, please refer to the fund's annual report.

Top 10 portfolio holdings are generally available at the earliest, 11 calendar days after the end of each month.

Other. Other consists of: (i) currency derivatives and/or (ii) any derivative offsets.
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The information provided on this page should be read in conjunction with the fund's prospectus or summary prospectus for the portfolio being offered, which are available online here or by contacting MFS. Consider the fund's investment objectives, risks, charges, and expenses, and otherwise read these documents carefully before you invest. Shares of the funds are not FDIC-insured and are not deposits or other obligations of, or guaranteed by, any bank. Shares of the funds involve investment risk, including possible loss of principal.

MFS registered investment products are offered through MFS® Fund Distributors, Inc., Member SIPC, 111 Huntington Avenue, Boston, MA 02199.

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