# Portfolio overlap — MBDIX vs MIGAX Comparing **MFS Corporate Bond Fund** (2026-04-30) and **Corporate Bond Portfolio** (2026-03-31). - Shared positions: 34 - MFS Corporate Bond Fund covered by Corporate Bond Portfolio: 0.07366333855685536008527817153 - Corporate Bond Portfolio covered by MFS Corporate Bond Fund: 0.07366333855685536008527817154 ## MFS Corporate Bond Fund — top positions | Security | Weight | Shared | |----------|--------|--------| | MFS Institutional Money Market Portfolio, Class A | 0.017740 | | | UBS GROUP | 0.007773 | | | JPMORGAN CHASE | 0.007604 | | | BOEING CO | 0.007480 | ✓ | | CHARLES SCHWAB | 0.006201 | ✓ | | BERMUDA GOVERNMENT OF 5% 07/15/2032 144A | 0.005893 | | | MORGAN STANLEY | 0.005800 | | | SUMITOMO MITSUI | 0.005766 | | | UBS GROUP | 0.005436 | | | CAIXABANK SA REGD V/R 144A P/P 6.84000000 | 0.005384 | | | AMERICAN HOMES 4 | 0.005073 | | | AIB V6.608 09/13/29 144A | 0.005066 | | | SPIRE INC | 0.004968 | | | NXP BV/NXP FDG | 0.004960 | | | MARS INC | 0.004600 | | | BACARDI LTD / MARTINI BV SR UNSECURED 144A 06/33 5.4 | 0.004590 | | | Element Fleet Management Corp. | 0.004560 | | | Bank Hapoalim BM | 0.004543 | | | JPMORGAN CHASE | 0.004530 | | | NATL AUSTRALIABK | 0.004512 | | | Jane Street Group / JSG Finance Inc. | 0.004463 | | | CG 5.05 09/19/35 | 0.004446 | | | MXPRLL 7.75 07/15/30 144A | 0.004425 | | | Boston Gas Co | 0.004363 | | | SCIH SALT HOLDINGS INC SR SECURED 144A 05/28 4.875 | 0.004290 | | | PIONEER NATURAL | 0.004253 | | | Flutter Treasury DAC | 0.004243 | | | HIGHWOODS REALTY | 0.004223 | | | AMAZON.COM INC | 0.004176 | | | STORE CAPITAL LLC SR UNSECURED 12/31 2.7 | 0.004161 | | | ICON Investments Six DAC | 0.004146 | ✓ | | JPMORGAN CHASE | 0.004129 | ✓ | | NSTAU 6.125 04/11/33 144A | 0.004097 | | | SMBC AVIATION CAPITAL FI REGD 144A P/P 5.30000000 | 0.004093 | | | MUFG V5.188 09/12/36 | 0.004068 | | | PRMWCN 4.375 04/30/29 144a | 0.004063 | | | Citadel Securities Global Holdings LLC | 0.004050 | | | TARGA RESOURCES | 0.004008 | | | US TREASURY N/B | 0.003993 | | | TransDigm, Inc. | 0.003963 | | | CHENIERE ENERGYP | 0.003955 | ✓ | | EASTERN ENERGY | 0.003948 | | | US TREASURY N/B | 0.003907 | | | AMERICAN INTERNA | 0.003883 | | | DANSKE BANK A/S | 0.003834 | | | FERGUSON ENTERPR | 0.003832 | | | SUNOCO LP SR UNSECURED 144A 08/32 6.625 | 0.003818 | | | NORDEA BANK ABP | 0.003808 | | | JERSEY CENTRAL PWR + LT SR UNSECURED 144A 03/32 2.75 | 0.003803 | | | ARDN Mortgage Trust, Series 2025-ARCP, Class A | 0.003763 | | ## Corporate Bond Portfolio — top positions | Security | Weight | Shared | |----------|--------|--------| | BANK OF AMER CRP | 0.019885 | ✓ | | JPMORGAN CHASE | 0.019277 | | | MSILF-GOVT-INS | 0.015342 | | | ORACLE CORP | 0.008549 | ✓ | | WELLS FARGO CO | 0.008412 | | | VERIZON COMM INC | 0.008289 | | | GOLDMAN SACHS GP | 0.007913 | | | BANK OF AMER CRP | 0.007656 | | | Imperial Brands PLC 5.875 07/01/2034 | 0.007450 | | | CORPORATE OFFICE | 0.007436 | ✓ | | DELTA/SKYMILES | 0.007218 | | | INTACT FINL CORP 5.459% 09/22/2032 144A | 0.007207 | | | CENTENE CORP | 0.007195 | | | COMCAST CORP REGD 144A P/P 5.16800000 | 0.007053 | | | BAT Capital Corp | 0.006931 | | | CIXCN 7 1/2 05/30/29 | 0.006723 | | | CAIXABANK SA SR UNSECURED 144A 06/35 VAR | 0.006706 | | | OCCIDENTAL PETE | 0.006699 | | | UBS GROUP | 0.006642 | | | SYNOVUS FINL | 0.006629 | | | ONEOK INC | 0.006555 | | | SNF Group SACA | 0.006516 | ✓ | | STLA 6.45 03/18/35 144A | 0.006501 | | | JPMORGAN CHASE | 0.006457 | ✓ | | TRAVELERS COS | 0.006449 | | | QORVO INC REGD 144A P/P 3.37500000 | 0.006407 | | | ORACLE CORP | 0.005917 | | | GOLDMAN SACHS GP | 0.005726 | | | PFIZER INVSTMNT | 0.005705 | | | LIBMUT V4.125 12/15/51 144A | 0.005659 | | | PACIFIC GAS&ELEC | 0.005547 | | | PNC FINANCIAL | 0.005542 | | | LOWE'S COS INC | 0.005536 | | | JBS/FOODS/FOOD | 0.005517 | | | ENACT HOLDINGS | 0.005466 | | | CRH AMERICA FIN | 0.005426 | | | LIBERTY UTILITIES CO SR UNSECURED 144A 01/29 5.577 | 0.005418 | | | DIAMONDBACK ENER | 0.005392 | | | U.S. Treasury Bills | 0.005365 | | | HYUNDAI CAPITAL AMERICA 144A LIFE SR UNSEC 5.1% 06-24-30 | 0.005351 | | | AMEREN CORP | 0.005326 | | | BANCO SANTANDER | 0.005297 | | | TELUS CORP REGD V/R SER . 6.37500000 | 0.005258 | | | CHENIERE ENERGYP | 0.005245 | ✓ | | ABN AMRO BANK NV REGD V/R 144A P/P 5.51500000 | 0.005222 | | | ESSENT GROUP LTD | 0.005162 | | | MPLX LP | 0.005077 | | | TRANS-ALLEGHENY | 0.005069 | | | Vistra Operations Co. LLC | 0.005021 | | | GLP Capital LP / GLP Financing II Inc | 0.005012 | | ## Sources - N-PORT (fund A) — accession `0002071691-26-015565` (as of 2026-04-30) - N-PORT (fund B) — accession `0001410368-26-054370` (as of 2026-03-31) --- _Informational only — not investment advice. FundWatcher presents publicly available data and makes no recommendation to buy or sell any security. Verify all figures against the source filing before relying on them._ _Data sourced from U.S. SEC EDGAR filings (Forms N-PORT, N-CEN, and prospectus Risk/Return summaries). FundWatcher is not affiliated with the SEC._ _Use of this data is subject to the FundWatcher Terms of Service. Information may be used only for personal, non-commercial research and may not be redistributed. See _