# Portfolio overlap — MBDIX vs FHMFX Comparing **MFS Corporate Bond Fund** (2026-04-30) and **Fidelity Series Corporate Bond Fund** (2026-02-28). - Shared positions: 60 - MFS Corporate Bond Fund covered by Fidelity Series Corporate Bond Fund: 0.07250962672248343462942099675 - Fidelity Series Corporate Bond Fund covered by MFS Corporate Bond Fund: 0.07250962672248343462942099675 ## 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 | | ## Fidelity Series Corporate Bond Fund — top positions | Security | Weight | Shared | |----------|--------|--------| | Fidelity Cash Central Fund | 0.034717 | | | US TREASURY N/B | 0.023503 | | | US TREASURY N/B | 0.014538 | | | US TREASURY N/B | 0.009684 | | | KBC GROUP NV REGD V/R 144A P/P 4.93200000 | 0.007225 | | | T-MOBILE USA INC | 0.006693 | | | MORGAN STANLEY | 0.006485 | ✓ | | JPMORGAN CHASE | 0.006382 | ✓ | | WELLS FARGO CO | 0.006165 | | | ABN AMRO BANK NV REGD V/R 144A P/P 5.51500000 | 0.005855 | | | BANK OF AMER CRP | 0.005662 | | | OCCIDENTAL PETE | 0.005652 | | | CHARTER COMM OPT | 0.005646 | | | FISERV INC | 0.005620 | | | PEACHTREE FUND TRUST II REGD 144A P/P 6.01200000 | 0.005583 | | | WESTERN MIDSTRM | 0.005318 | | | BAYER US FIN LLC 6.5% 11/21/2033 144A | 0.005210 | | | CON EDISON CO | 0.005140 | | | Avolon Holdings Funding Ltd. | 0.004945 | | | NISOURCE INC | 0.004868 | | | JERSEY MIKES FDG LLC 1A A2II 5.7% 02/15/2056 144A | 0.004855 | ✓ | | RPLDCI 6.581 05/30/49 144A | 0.004813 | | | VERIZON COMM INC | 0.004807 | | | PLAINS ALL AMER | 0.004525 | | | GEN MOTORS FIN | 0.004029 | | | ENERGY TRANSFER | 0.003864 | | | US TREASURY N/B | 0.003856 | ✓ | | CAN NATURAL RES | 0.003789 | | | NTT FINANCE | 0.003771 | ✓ | | BAYNGR 6.875 11/21/53 144A | 0.003755 | | | SAMMONS FIN GLO | 0.003706 | | | ARTHUR J GALLAGH | 0.003698 | | | BANK OF AMER CRP | 0.003671 | | | Invitation Homes Operating Partnership L.P. | 0.003657 | | | DUKE ENERGY CAR | 0.003626 | | | STANDARD CHARTERED PLC 6.228%/VAR 01/21/2036 144A | 0.003618 | | | MORGAN STANLEY | 0.003595 | | | HPS CORPORATE LE | 0.003594 | | | HUDSON PACIFIC | 0.003574 | | | CORPORATE OFFICE | 0.003477 | | | GOLDMAN SACHS GP | 0.003468 | | | GOLDMAN SACHS GP | 0.003451 | ✓ | | CVS HEALTH CORP | 0.003450 | | | ALEXANDRIA REAL | 0.003429 | | | CITIZENS FIN GRP | 0.003421 | | | LEIDOS INC | 0.003419 | | | JPMORGAN CHASE | 0.003400 | | | AT&T INC | 0.003361 | | | META PLATFORMS | 0.003360 | | | EQT CORP | 0.003354 | | ## Sources - N-PORT (fund A) — accession `0002071691-26-015565` (as of 2026-04-30) - N-PORT (fund B) — accession `0000035402-26-002621` (as of 2026-02-28) --- _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 _