{
  "page": "compare",
  "query": {
    "a": "MPWVX",
    "b": "MFSCX"
  },
  "retrieved_at": "2026-07-07T19:25:56+00:00",
  "disclaimer": "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.",
  "attribution": "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.",
  "terms": {
    "notice": "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.",
    "url": "https://fundwatcher.app/terms/"
  },
  "fund_a": {
    "name": "MFS West Virginia Municipal Bond Fund",
    "ticker": "MPWVX",
    "slug": "MPWVX",
    "series_id": "S000002528",
    "html_url": "https://fundwatcher.app/funds/MPWVX/"
  },
  "fund_b": {
    "name": "MFS South Carolina Municipal Bond Fund",
    "ticker": "MFSCX",
    "slug": "MFSCX",
    "series_id": "S000002525",
    "html_url": "https://fundwatcher.app/funds/MFSCX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.1167438301199398777526588683",
    "coverage_b_by_a": "0.1167438301199398777526588683",
    "shared_count": 54,
    "as_of": {
      "a": "2026-03-31",
      "b": "2026-03-31"
    },
    "a_top": [
      {
        "name": "West Virginia (State of) (Bidding Group 2), Series 2019 A, GO Bonds",
        "value": "2055052.80",
        "weight": "0.02499777",
        "shared": false
      },
      {
        "name": "Morgantown Utility Board, Inc., Series 2018 B, RB",
        "value": "2052191.40",
        "weight": "0.02496296",
        "shared": false
      },
      {
        "name": "West Virginia University",
        "value": "2031417.00",
        "weight": "0.02471026",
        "shared": false
      },
      {
        "name": "WV HOSP 4% 6/1/2051",
        "value": "1936645.42",
        "weight": "0.02355746",
        "shared": false
      },
      {
        "name": "PUERTO RICO SALES TAX FING COR REGD OID B/E 5.00000000",
        "value": "1751091.96",
        "weight": "0.02130037",
        "shared": true
      },
      {
        "name": "WV HOSP 5% 9/1/2039",
        "value": "1519568.85",
        "weight": "0.01848411",
        "shared": false
      },
      {
        "name": "WV ST WTR 5% 11/1/2033",
        "value": "1490487.65",
        "weight": "0.01813037",
        "shared": false
      },
      {
        "name": "MFS Institutional Money Market Portfolio, Class A",
        "value": "1321086.24",
        "weight": "0.01606976",
        "shared": true
      },
      {
        "name": "WEST VIRGINIA ST",
        "value": "1307313.26",
        "weight": "0.01590223",
        "shared": false
      },
      {
        "name": "City of Wheeling, Series 2021 A",
        "value": "1292822.85",
        "weight": "0.01572596",
        "shared": false
      },
      {
        "name": "MARSHALL UNIV WV",
        "value": "1275144.75",
        "weight": "0.01551093",
        "shared": false
      },
      {
        "name": "Fairmont State University",
        "value": "1147380.26",
        "weight": "0.01395679",
        "shared": false
      },
      {
        "name": "West Virginia Economic Development Authority",
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        "weight": "0.01365225",
        "shared": false
      },
      {
        "name": "West Virginia Economic Development Authority, Series 2023 A-1",
        "value": "1052288.60",
        "weight": "0.01280009",
        "shared": false
      },
      {
        "name": "W VIRGINIA ST H-SER B",
        "value": "1050204.00",
        "weight": "0.01277474",
        "shared": false
      },
      {
        "name": "Ohio County Commission, West Virginia, Special District Excise Tax Revenue Bonds, Fort Henry Economic Opportunity Development District-the Highlands P",
        "value": "1040270.40",
        "weight": "0.01265390",
        "shared": false
      },
      {
        "name": "WHEELING WV WTRWKS & SWR SYS R REGD B/E BAM 5.25000000",
        "value": "1032623.00",
        "weight": "0.01256088",
        "shared": false
      },
      {
        "name": "WEST VIRGINIA ST ECON DEV AUTH EXCESS LOTTERY REVENUE",
        "value": "1032026.30",
        "weight": "0.01255362",
        "shared": false
      },
      {
        "name": "West Virginia (State of) (Bidding Group 2), Series 2019 A, GO Bonds",
        "value": "1031739.80",
        "weight": "0.01255014",
        "shared": false
      },
      {
        "name": "West Virginia Lottery Excess Lottery",
        "value": "1023532.97",
        "weight": "0.01245031",
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      },
      {
        "name": "Berkeley County Board of Education",
        "value": "1018807.50",
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      },
      {
        "name": "West Virginia Housing Development Fund",
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        "weight": "0.01235791",
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      },
      {
        "name": "West Virginia Housing Development Fund, Series 2023D",
        "value": "1010208.00",
        "weight": "0.01228822",
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      },
      {
        "name": "WEST VIRGINIA ST HOSP FIN AUTH",
        "value": "1008583.80",
        "weight": "0.01226847",
        "shared": false
      },
      {
        "name": "West Virginia Housing Development Fund, Series 2023D",
        "value": "1005300.60",
        "weight": "0.01222853",
        "shared": false
      },
      {
        "name": "WEST VIRGINIA ST HSG DEV FUND",
        "value": "1005238.50",
        "weight": "0.01222777",
        "shared": false
      },
      {
        "name": "Wood County Board of Education, Series 2023",
        "value": "1002285.90",
        "weight": "0.01219186",
        "shared": false
      },
      {
        "name": "West Virginia Housing Development Fund, Series 2025A",
        "value": "1002200.00",
        "weight": "0.01219081",
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      },
      {
        "name": "WV HOSP FIN AUTH-A",
        "value": "1001238.70",
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      },
      {
        "name": "West Virginia Housing Development Fund",
        "value": "1000731.00",
        "weight": "0.01217294",
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      },
      {
        "name": "West Virginia Hospital Finance Authority",
        "value": "1000514.20",
        "weight": "0.01217031",
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      {
        "name": "West Virginia Housing Development Fund",
        "value": "997935.20",
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      {
        "name": "Ohio County, WV Commission TIF Rev. Refg. (Highlands)",
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        "weight": "0.01184949",
        "shared": false
      },
      {
        "name": "WEST VIRGINIA ST HSG DEV FUND",
        "value": "971398.10",
        "weight": "0.01181614",
        "shared": false
      },
      {
        "name": "Berkeley County Public Service Sewer District, Series 2025A",
        "value": "960435.50",
        "weight": "0.01168279",
        "shared": false
      },
      {
        "name": "WEST VIRGINIA ST HOSP FIN AUTH WVSMED 01/47 FIXED OID 4.125",
        "value": "959195.31",
        "weight": "0.01166770",
        "shared": false
      },
      {
        "name": "West Virginia Housing Development Fund, Series 2024D",
        "value": "957308.20",
        "weight": "0.01164475",
        "shared": false
      },
      {
        "name": "Berkeley County Public Service District, Series 2025 A",
        "value": "951506.20",
        "weight": "0.01157417",
        "shared": false
      },
      {
        "name": "Berkeley County Public Service Sewer District, Series 2025A",
        "value": "942223.00",
        "weight": "0.01146125",
        "shared": false
      },
      {
        "name": "Greenbrier Public Service District No. 1",
        "value": "932474.20",
        "weight": "0.01134266",
        "shared": false
      },
      {
        "name": "West Virginia Housing Development Fund",
        "value": "930202.40",
        "weight": "0.01131503",
        "shared": false
      },
      {
        "name": "W VA HOSP FIN AUTH-A",
        "value": "921078.60",
        "weight": "0.01120405",
        "shared": false
      },
      {
        "name": "WV PARKWAYS AUTH",
        "value": "914341.70",
        "weight": "0.01112210",
        "shared": false
      },
      {
        "name": "Monongalia County, West Virginia, Tax Increment Revenue Bonds, University Town Centre Development District 4, Senior Refunding and Improvement Series",
        "value": "911865.33",
        "weight": "0.01109198",
        "shared": false
      },
      {
        "name": "VIRGIN ISLANDS PUBLIC FIN AUTH VITGEN 10/32 FIXED 5",
        "value": "902643.93",
        "weight": "0.01097981",
        "shared": false
      },
      {
        "name": "NJ TRANSPRTN TRUST-AA",
        "value": "901912.40",
        "weight": "0.01097091",
        "shared": false
      },
      {
        "name": "West Virginia University",
        "value": "890986.16",
        "weight": "0.01083800",
        "shared": false
      },
      {
        "name": "MONONGALIA RV 4.125% 6/1/2043",
        "value": "838668.04",
        "weight": "0.01020160",
        "shared": false
      },
      {
        "name": "West Virginia Hospital Finance Authority",
        "value": "796087.96",
        "weight": "0.00968366",
        "shared": false
      },
      {
        "name": "Ohio County Commission, West Virginia, Special District Excise Tax Revenue Bonds, Fort Henry Economic Opportunity Development District-the Highlands P",
        "value": "789732.45",
        "weight": "0.00960635",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "MFS Institutional Money Market Portfolio, Class A",
        "value": "9422751.47",
        "weight": "0.03926606",
        "shared": true
      },
      {
        "name": "Beaufort-Jasper Water & Sewer Authority, Series 2025A",
        "value": "3715839.20",
        "weight": "0.01548448",
        "shared": false
      },
      {
        "name": "PUERTO RICO SALES TAX FING COR REGD OID B/E 5.00000000",
        "value": "3421378.91",
        "weight": "0.01425741",
        "shared": true
      },
      {
        "name": "City of Charleston, Series 2022",
        "value": "3129291.00",
        "weight": "0.01304024",
        "shared": false
      },
      {
        "name": "Spartanburg County School District No. 4, Series 2022 A, GO Bonds",
        "value": "3107880.60",
        "weight": "0.01295102",
        "shared": false
      },
      {
        "name": "SOUTH CAROLINA ST PORTS AUTH PORTS REVENUE",
        "value": "3032784.60",
        "weight": "0.01263808",
        "shared": false
      },
      {
        "name": "SOUTH CAROLINA ST JOBS-ECON DE REGD B/E 5.25000000",
        "value": "2900299.50",
        "weight": "0.01208600",
        "shared": false
      },
      {
        "name": "Grand Strand Water & Sewer Authority, Series 2026",
        "value": "2832701.02",
        "weight": "0.01180430",
        "shared": false
      },
      {
        "name": "SPARTANBURG SC REGL HLTH SVCS DIST INC HOSP REVENUE",
        "value": "2790276.30",
        "weight": "0.01162751",
        "shared": false
      },
      {
        "name": "SOUTH CAROLINA ST HSG FIN & DEV AUTH MTGE REVENUE",
        "value": "2728233.21",
        "weight": "0.01136897",
        "shared": false
      },
      {
        "name": "CHARLESTON SC HSG AUTH REVENUE REGD B/E HUD SEC 5.00000000",
        "value": "2578609.50",
        "weight": "0.01074546",
        "shared": false
      },
      {
        "name": "City of Columbia, Series 2023A",
        "value": "2426839.52",
        "weight": "0.01011301",
        "shared": false
      },
      {
        "name": "Woodruff Facilities Corp., Series 2025",
        "value": "2375773.30",
        "weight": "0.00990021",
        "shared": false
      },
      {
        "name": "Medical University Hospital Authority, An Agency of The State of south Carolina FHA Insured Hospital Mortgage, Indian Land Project",
        "value": "2244911.54",
        "weight": "0.00935489",
        "shared": false
      },
      {
        "name": "South Carolina State Housing Finance and Development Authority, Series 2026A",
        "value": "2224354.60",
        "weight": "0.00926923",
        "shared": false
      },
      {
        "name": "Clemson University",
        "value": "2222282.10",
        "weight": "0.00926059",
        "shared": false
      },
      {
        "name": "SOUTH CAROLINA ST PUBLIC SVC A SOUTH CAROLINA PUBLIC SERVICE AUTHORITY",
        "value": "2193887.60",
        "weight": "0.00914227",
        "shared": false
      },
      {
        "name": "PATRIOTS EN GRP 5.25% MT",
        "value": "2135007.40",
        "weight": "0.00889691",
        "shared": false
      },
      {
        "name": "SOUTH CAROLINA ST HSG FIN & DEV AUTH MTGE REVENUE",
        "value": "2086534.47",
        "weight": "0.00869491",
        "shared": false
      },
      {
        "name": "Clemson University, Series 2025A",
        "value": "2082896.00",
        "weight": "0.00867975",
        "shared": false
      },
      {
        "name": "SOUTH CAROLINA ST PUBLIC SVC AUTH REVENUE",
        "value": "2079001.17",
        "weight": "0.00866352",
        "shared": false
      },
      {
        "name": "City of Charleston Waterworks & Sewer System Revenue",
        "value": "2076405.20",
        "weight": "0.00865270",
        "shared": false
      },
      {
        "name": "City of Columbia, Series 2025",
        "value": "2069569.20",
        "weight": "0.00862421",
        "shared": false
      },
      {
        "name": "GREENVILLE-SPARTANBURG SC ARPT DIST ARPT SYS REVENUE",
        "value": "2064811.40",
        "weight": "0.00860439",
        "shared": false
      },
      {
        "name": "Spartanburg County School District No. 4",
        "value": "2064214.00",
        "weight": "0.00860190",
        "shared": false
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      {
        "name": "South Carolina (State of) Jobs-Economic Development Authority (Prisma Health Obligated Group), Series 2018, RB",
        "value": "2056628.00",
        "weight": "0.00857029",
        "shared": false
      },
      {
        "name": "SOUTH CAROLINA ST PUBLIC SVC AUTH REVENUE",
        "value": "2053265.00",
        "weight": "0.00855627",
        "shared": false
      },
      {
        "name": "Columbia Facilities Corp., Series 2025 A",
        "value": "2051626.00",
        "weight": "0.00854944",
        "shared": false
      },
      {
        "name": "SC MDUMED 5.25 11/15/2050",
        "value": "2048013.60",
        "weight": "0.00853439",
        "shared": false
      },
      {
        "name": "Corp. ForGreer, Series 2025",
        "value": "2040564.80",
        "weight": "0.00850335",
        "shared": false
      },
      {
        "name": "CHARLSTN SC ARP 5.25% 7/1/2054",
        "value": "2034773.20",
        "weight": "0.00847921",
        "shared": false
      },
      {
        "name": "Spartanburg County School District No. 7",
        "value": "2030795.80",
        "weight": "0.00846264",
        "shared": false
      },
      {
        "name": "County of Horry",
        "value": "2029676.40",
        "weight": "0.00845797",
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      },
      {
        "name": "SOUTH CAROLINA ST HSG FIN & DEV AUTH MTGE REVENUE",
        "value": "2022353.50",
        "weight": "0.00842746",
        "shared": false
      },
      {
        "name": "South Carolina Jobs-Economic Development Authority, Series 2025",
        "value": "2020207.80",
        "weight": "0.00841852",
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      },
      {
        "name": "NORTH CHRLTN SC 5% 10/1/2040",
        "value": "2011061.20",
        "weight": "0.00838040",
        "shared": false
      },
      {
        "name": "SOUTH CAROLINA ST JOBS-ECON DEV AUTH ECON DEV REVENUE",
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        "shared": false
      },
      {
        "name": "SOUTH CAROLINA ST JOBS-ECON DEV AUTH HLTHCARE REVENUE",
        "value": "2004324.20",
        "weight": "0.00835233",
        "shared": false
      },
      {
        "name": "South Carolina State Housing Finance & Development Authority, Series M TEMS BDS 2023 A FN",
        "value": "2003500.40",
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      },
      {
        "name": "SOUTH CAROLINA ST JOBS-ECON DEV AUTH ECON DEV REVENUE",
        "value": "2002353.80",
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      },
      {
        "name": "South Carolina Jobs-Economic Development Authority, Series 2023A",
        "value": "1985930.40",
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      },
      {
        "name": "UNIV SC HGH ED 5% 5/1/2046",
        "value": "1978957.54",
        "weight": "0.00824662",
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      },
      {
        "name": "GREENWOOD HOSP-REF",
        "value": "1976551.17",
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      },
      {
        "name": "SOUTH CAROLINA ST JOBS-ECON DEV AUTH RSDL DEV REVENUE",
        "value": "1966774.00",
        "weight": "0.00819585",
        "shared": false
      },
      {
        "name": "SOUTH CAROLINA ST HSG FIN & DEV AUTH MTGE REVENUE",
        "value": "1937259.53",
        "weight": "0.00807286",
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      },
      {
        "name": "HORRY CNTY S C 4.50% 9/1/2052",
        "value": "1901860.60",
        "weight": "0.00792535",
        "shared": false
      },
      {
        "name": "College of Charleston, Series 2025A",
        "value": "1896887.40",
        "weight": "0.00790462",
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      },
      {
        "name": "BEAUFORT CNTY 4% 3/1/2048",
        "value": "1896257.00",
        "weight": "0.00790200",
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      },
      {
        "name": "South Island Public Service District",
        "value": "1888969.80",
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      },
      {
        "name": "SOUTH CAROLINA ST JOBS-ECON DEV AUTH HOSP REVENUE",
        "value": "1885043.80",
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      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0002071691-26-011432",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/751656/000207169126011432/0002071691-26-011432-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0002071691-26-011434",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/751656/000207169126011434/0002071691-26-011434-index.htm"
    }
  ]
}