# Portfolio overlap — MWVIX vs MFSMX Comparing **MFS West Virginia Municipal Bond Fund** (2026-03-31) and **MFS Maryland Municipal Bond Fund** (2026-03-31). - Shared positions: 50 - MFS West Virginia Municipal Bond Fund covered by MFS Maryland Municipal Bond Fund: 0.08541929172752468806937281643 - MFS Maryland Municipal Bond Fund covered by MFS West Virginia Municipal Bond Fund: 0.08541929172752468806937281643 ## MFS West Virginia Municipal Bond Fund — top positions | Security | Weight | Shared | |----------|--------|--------| | West Virginia (State of) (Bidding Group 2), Series 2019 A, GO Bonds | 0.024998 | | | Morgantown Utility Board, Inc., Series 2018 B, RB | 0.024963 | | | West Virginia University | 0.024710 | | | WV HOSP 4% 6/1/2051 | 0.023557 | | | PUERTO RICO SALES TAX FING COR REGD OID B/E 5.00000000 | 0.021300 | ✓ | | WV HOSP 5% 9/1/2039 | 0.018484 | | | WV ST WTR 5% 11/1/2033 | 0.018130 | | | MFS Institutional Money Market Portfolio, Class A | 0.016070 | ✓ | | WEST VIRGINIA ST | 0.015902 | | | City of Wheeling, Series 2021 A | 0.015726 | | | MARSHALL UNIV WV | 0.015511 | | | Fairmont State University | 0.013957 | | | West Virginia Economic Development Authority | 0.013652 | | | West Virginia Economic Development Authority, Series 2023 A-1 | 0.012800 | | | W VIRGINIA ST H-SER B | 0.012775 | | | Ohio County Commission, West Virginia, Special District Excise Tax Revenue Bonds, Fort Henry Economic Opportunity Development District-the Highlands P | 0.012654 | | | WHEELING WV WTRWKS & SWR SYS R REGD B/E BAM 5.25000000 | 0.012561 | | | WEST VIRGINIA ST ECON DEV AUTH EXCESS LOTTERY REVENUE | 0.012554 | | | West Virginia (State of) (Bidding Group 2), Series 2019 A, GO Bonds | 0.012550 | | | West Virginia Lottery Excess Lottery | 0.012450 | | | Berkeley County Board of Education | 0.012393 | | | West Virginia Housing Development Fund | 0.012358 | | | West Virginia Housing Development Fund, Series 2023D | 0.012288 | | | WEST VIRGINIA ST HOSP FIN AUTH | 0.012268 | | | West Virginia Housing Development Fund, Series 2023D | 0.012229 | | | WEST VIRGINIA ST HSG DEV FUND | 0.012228 | | | Wood County Board of Education, Series 2023 | 0.012192 | | | West Virginia Housing Development Fund, Series 2025A | 0.012191 | | | WV HOSP FIN AUTH-A | 0.012179 | | | West Virginia Housing Development Fund | 0.012173 | | | West Virginia Hospital Finance Authority | 0.012170 | | | West Virginia Housing Development Fund | 0.012139 | | | Ohio County, WV Commission TIF Rev. Refg. (Highlands) | 0.011849 | | | WEST VIRGINIA ST HSG DEV FUND | 0.011816 | | | Berkeley County Public Service Sewer District, Series 2025A | 0.011683 | | | WEST VIRGINIA ST HOSP FIN AUTH WVSMED 01/47 FIXED OID 4.125 | 0.011668 | | | West Virginia Housing Development Fund, Series 2024D | 0.011645 | | | Berkeley County Public Service District, Series 2025 A | 0.011574 | | | Berkeley County Public Service Sewer District, Series 2025A | 0.011461 | | | Greenbrier Public Service District No. 1 | 0.011343 | | | West Virginia Housing Development Fund | 0.011315 | | | W VA HOSP FIN AUTH-A | 0.011204 | | | WV PARKWAYS AUTH | 0.011122 | | | Monongalia County, West Virginia, Tax Increment Revenue Bonds, University Town Centre Development District 4, Senior Refunding and Improvement Series | 0.011092 | | | VIRGIN ISLANDS PUBLIC FIN AUTH VITGEN 10/32 FIXED 5 | 0.010980 | | | NJ TRANSPRTN TRUST-AA | 0.010971 | | | West Virginia University | 0.010838 | | | MONONGALIA RV 4.125% 6/1/2043 | 0.010202 | | | West Virginia Hospital Finance Authority | 0.009684 | | | Ohio County Commission, West Virginia, Special District Excise Tax Revenue Bonds, Fort Henry Economic Opportunity Development District-the Highlands P | 0.009606 | | ## MFS Maryland Municipal Bond Fund — top positions | Security | Weight | Shared | |----------|--------|--------| | MFS Institutional Money Market Portfolio, Class A | 0.032878 | ✓ | | MARYLAND ST ECON DEV CORP LEASE REVENUE | 0.013277 | | | Maryland Economic Development Corp., Series 2024 | 0.012570 | | | Montgomery (County of), MD, Series 2017, GO Bonds | 0.012208 | | | MARYLAND ST STD 5% 5/1/2035 | 0.011470 | | | PUERTO RICO SALES TAX FING COR REGD OID B/E 5.00000000 | 0.011098 | ✓ | | County of Prince George's, Series 2025 A | 0.010330 | | | Washington Metropolitan Area Transit Authority Dedicated | 0.010326 | | | Maryland Stadium Authority, Series 2024 | 0.010099 | | | County of Anne Arundel, Series 2025 | 0.010040 | | | MD HLTH & HGR EDL-A | 0.010035 | | | Maryland Health & Higher Educational Facilities Authority | 0.009986 | | | PRINCE GEO COP 5% 10/1/48 | 0.009796 | | | Maryland Community Development Administration, Series 2025 F-1 | 0.009679 | | | MARYLAND STADIUM AUTHORITY | 0.009589 | | | WASHINGTON SUBURBAN SANITARY COMMISSION | 0.009393 | | | COUNTY OF BALTIMORE MD | 0.009367 | | | County of Howard | 0.009150 | | | MARYLAND ST HLTH & HGR EDUCTNL FACS AUTH REVENUE | 0.009039 | | | Maryland Health & Higher Educational Facilities Authority, Series 2004 | 0.008971 | | | County of Anne Arundel, Series 2023 | 0.008952 | | | City of Baltimore, Series 2019 A | 0.008944 | | | Maryland Community Development Administration Department of Housing and Community Development, Residential Revenue Bonds, Taxable Series 2019D | 0.008944 | | | MARYLAND ST STA 4% 6/1/2046 | 0.008446 | | | MARYLAND HEALTH & HIGHER EDUCATIONAL FACILITIES AUTHORITY | 0.008276 | | | Maryland Health & Higher Educational Facilities Authority | 0.008100 | | | MONTGOMERY CNTY MD REVENUE REGD B/E 5.00000000 | 0.007969 | | | Maryland Community Development Administration Local Government Infrastructure | 0.007904 | | | MD CMNTY DEV-D-1 | 0.007651 | | | Washington Metropolitan Area Transit Authority, Series 2018, RB | 0.007425 | | | MD HEFA 4% 7/1/2048 | 0.007121 | | | County of Montgomery | 0.007114 | | | MD CMNTY DEPT ADMIN-B | 0.007054 | | | Maryland Health & Higher Educational Facilities Authority | 0.007032 | | | CALIFORNIA COMMUNITY VAR | 0.006952 | | | MD TRANSPRTN-A-REF | 0.006941 | | | Montgomery County Housing Opportunities Commission, Series 2023 C | 0.006918 | | | Maryland Department of Housing & Community Development, Series 2024 E | 0.006917 | | | MD ECON DEV CORP-A | 0.006890 | | | County of Prince George's | 0.006685 | | | MARYLAND ST ECON DEV CORP AIR CARGO REVENUE | 0.006683 | | | Washington Metropolitan Area Transit Authority, Series 2025, RB | 0.006673 | | | Maryland Stadium Authority Sports Entertainment Facilities Revenue, Series 2023 A | 0.006646 | | | State of Maryland Department of Transportation, Series 2024 A | 0.006637 | | | MARYLAND ST HLTH & HGR EDUCTNL MARYLAND HEALTH & HIGHER EDUCATIONAL FACILITIES AU | 0.006626 | | | MARYLAND ST HLTH & HGR EDUCTNL FACS AUTH REVENUE | 0.006592 | | | Maryland Department of Housing & Community Development, Series 2025 D | 0.006580 | | | State of Maryland Department of Transportation, Series 2024 A | 0.006577 | | | MARYLAND ST STA 4% 6/1/2036 | 0.006569 | | | Montgomery County Housing Opportunities Commission, Series 2025A | 0.006561 | | ## Sources - N-PORT (fund A) — accession `0002071691-26-011432` (as of 2026-03-31) - N-PORT (fund B) — accession `0002071691-26-011429` (as of 2026-03-31) --- _Informational only — not investment advice. 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