# Portfolio overlap — MFIOX vs MFSB Comparing **MFS Income Fund** (2026-04-30) and **MFS Active Core Plus Bond ETF** (2026-02-28). - Shared positions: 210 - MFS Income Fund covered by MFS Active Core Plus Bond ETF: 0.3831132035648564362523611750 - MFS Active Core Plus Bond ETF covered by MFS Income Fund: 0.3831132035648564362523611751 ## MFS Income Fund — top positions | Security | Weight | Shared | |----------|--------|--------| | US TREASURY N/B | 0.029435 | ✓ | | US TREASURY N/B | 0.023805 | | | US TREASURY N/B | 0.021960 | | | US TREASURY N/B | 0.019849 | ✓ | | US TREASURY N/B | 0.018703 | | | MFS Institutional Money Market Portfolio, Class A | 0.018382 | | | US TREASURY N/B | 0.018213 | ✓ | | US TREASURY N/B | 0.017472 | | | US TREASURY N/B | 0.017419 | | | US TREASURY N/B | 0.017167 | ✓ | | US TREASURY N/B | 0.016192 | | | US TREASURY N/B | 0.015757 | | | US TREASURY N/B | 0.011813 | | | US TREASURY N/B | 0.008350 | | | JEFFERIES GROUP | 0.006207 | ✓ | | US TREASURY N/B | 0.005581 | | | New Residential Mortgage Loan Trust, Series 2026-NQM3, Class A1 | 0.004848 | ✓ | | PMT Loan Trust, Series 2026-INV2, Class A35 | 0.004845 | ✓ | | MF1 2025-FL19 LLC MF1 2025-FL19 AS | 0.004800 | ✓ | | Enel SPA 7.50 10/14/2032 | 0.004714 | ✓ | | Venture Global LNG Inc | 0.004699 | ✓ | | STORE Master Funding LLC, Series 2025-1A, Class A2 | 0.004598 | ✓ | | SANTOS FINANCE LTD REGD 144A P/P 6.87500000 | 0.004555 | ✓ | | US TREASURY N/B | 0.004514 | | | AUTONATION INC | 0.004514 | ✓ | | PFP Ltd., Series 2024-11, Class AS | 0.004326 | | | MF1 2025-FL19 LLC SER 2025-FL19 CL B V/R REGD 144A P/P 6.07586000 | 0.004272 | ✓ | | SAMMONS FINL. GRP. 6.875% | 0.004236 | ✓ | | C V6.875 PERP GG | 0.004217 | ✓ | | Bain Capital Credit CLO 2021-4 Ltd | 0.004160 | ✓ | | US TREASURY N/B | 0.004022 | | | VORNADO REALTY LP SR UNSECURED 02/33 5.75 | 0.003960 | ✓ | | TRANSDIGM INC SUB 4.625% 01-15-29 | 0.003924 | ✓ | | Northwoods Capital XIV-B Ltd., Series 2018-14BA, Class BR | 0.003899 | | | BOOZ ALLEN HAMILTON INC REGD 5.95000000 | 0.003860 | ✓ | | MF1 LLC, Series 2025-FL20, Class C | 0.003832 | ✓ | | SKX 10 07/15/33 144a | 0.003813 | ✓ | | Provident Funding Mortgage Trust, Series 2025-5, Class A4 | 0.003808 | ✓ | | Black Diamond CLO Ltd., Series 2019-2A, Class BR | 0.003796 | | | Parallel Ltd., Series 2023-1A, Class A2R | 0.003790 | ✓ | | NH NFAUTL 6.89 04/01/2034 | 0.003737 | | | COMM Mortgage Trust, Series 2024-CBM, Class B | 0.003731 | ✓ | | Jane Street Group / JSG Finance Inc. | 0.003688 | ✓ | | FR 5.25 01/15/31 | 0.003613 | ✓ | | Venture 43 CLO Ltd | 0.003541 | | | CHARLES SCHWAB | 0.003521 | ✓ | | MASSACHUSETTS ST DEV FIN AGY REVENUE | 0.003492 | ✓ | | NOMURA HOLDINGS | 0.003466 | ✓ | | MSRM 2026-NQM2 A1 | 0.003460 | ✓ | | NOMURA HOLDINGS INC JR SUBORDINA 12/99 VAR | 0.003452 | ✓ | ## MFS Active Core Plus Bond ETF — top positions | Security | Weight | Shared | |----------|--------|--------| | US TREASURY N/B | 0.051092 | | | US TREASURY N/B | 0.044370 | | | State Street Navigator Securities Lending Portfolio II | 0.031781 | | | US TREASURY N/B | 0.023377 | ✓ | | US TREASURY N/B | 0.022542 | ✓ | | US TREASURY N/B | 0.022455 | ✓ | | US TREASURY N/B | 0.015378 | | | US TREASURY N/B | 0.013773 | ✓ | | US TREASURY N/B | 0.012371 | | | FN MA5552 | 0.009356 | | | US TREASURY N/B | 0.008048 | ✓ | | Uniform Mortgage-Backed Security, TBA | 0.007308 | | | US TREASURY N/B | 0.006491 | | | STOAU 5.75 11/13/35 144A | 0.006487 | ✓ | | BOSTON PROP LP | 0.006377 | ✓ | | NRZT, Series 2025-NQM6, Class A1 | 0.006199 | | | MF1 LLC, Series 2025-FL20, Class C | 0.005991 | ✓ | | BOEING CO/THE | 0.005841 | ✓ | | PMT Loan Trust, Series 2026-INV2, Class A35 | 0.005736 | ✓ | | HIGHWOODS REALTY | 0.005724 | ✓ | | ENERGY TRANS | 0.005720 | ✓ | | New Residential Mortgage Loan Trust, Series 2026-NQM3, Class A1 | 0.005589 | ✓ | | FR SD8199 | 0.005546 | | | Bain Capital Credit CLO 2021-4 Ltd | 0.005524 | ✓ | | VORNADO REALTY LP SR UNSECURED 02/33 5.75 | 0.005510 | ✓ | | FR SD8213 | 0.005476 | | | NTT FINANCE | 0.005438 | ✓ | | CBRE SERVICES IN | 0.005399 | ✓ | | Dryden 98 CLO Ltd | 0.005312 | | | C V6.875 PERP GG | 0.005289 | ✓ | | Unity-Peace Park CLO Ltd | 0.005282 | | | AVOLON HOLDINGS FUNDING LTD 4.95% 10/15/2032 144A | 0.005133 | | | Enel SPA 7.50 10/14/2032 | 0.005042 | ✓ | | JEFFERIES GROUP | 0.004998 | ✓ | | ROGERS COMMUNIC | 0.004905 | | | JAPAN TOBACCO INC SR UNSECURED 144A 06/35 5.85 | 0.004833 | ✓ | | FN MA4562 | 0.004737 | | | DICK'S SPORTING | 0.004732 | ✓ | | ELM Trust, Series 2024-ELM, Class C15 | 0.004696 | ✓ | | FR 5.25 01/15/31 | 0.004667 | ✓ | | FERGUSON ENTERPR | 0.004658 | | | CHARLES SCHWAB | 0.004591 | ✓ | | TARGA RESOURCES | 0.004565 | ✓ | | JPMORGAN CHASE | 0.004514 | ✓ | | ASHTEAD CAPITAL | 0.004497 | ✓ | | BROWN & BROWN | 0.004418 | | | AUTONATION INC | 0.004346 | ✓ | | WELLS FARGO CO | 0.004287 | | | PFP Ltd., Series 2026-13, Class AS | 0.004267 | | | Dryden 86 CLO Ltd., Series 2020-86A, Class CR2 | 0.004249 | ✓ | ## Sources - N-PORT (fund A) — accession `0002071691-26-015571` (as of 2026-04-30) - N-PORT (fund B) — accession `0001410368-26-040065` (as of 2026-02-28) --- _Informational only — not investment advice. 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