{
  "page": "compare",
  "query": {
    "a": "MBGAX",
    "b": "MFSMX"
  },
  "retrieved_at": "2026-07-07T13:41:22+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 Georgia Municipal Bond Fund",
    "ticker": "MBGAX",
    "slug": "MBGAX",
    "series_id": "S000002532",
    "html_url": "https://fundwatcher.app/funds/MBGAX/"
  },
  "fund_b": {
    "name": "MFS Maryland Municipal Bond Fund",
    "ticker": "MFSMX",
    "slug": "MFSMX",
    "series_id": "S000002533",
    "html_url": "https://fundwatcher.app/funds/MFSMX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.1018069513363717830789731269",
    "coverage_b_by_a": "0.1018069513363717830789731269",
    "shared_count": 49,
    "as_of": {
      "a": "2026-03-31",
      "b": "2026-03-31"
    },
    "a_top": [
      {
        "name": "MFS Institutional Money Market Portfolio, Class A",
        "value": "5735611.10",
        "weight": "0.04583113",
        "shared": true
      },
      {
        "name": "Georgia Housing & Finance Authority",
        "value": "1395477.40",
        "weight": "0.01115074",
        "shared": false
      },
      {
        "name": "Atlanta Urban Residential Finance Authority, Series 2025 A",
        "value": "1113081.53",
        "weight": "0.00889422",
        "shared": false
      },
      {
        "name": "Metropolitan Atlanta Rapid Transit Authority, Sales Tax, Series 2023A",
        "value": "1094014.00",
        "weight": "0.00874186",
        "shared": false
      },
      {
        "name": "Cobb-Marietta Coliseum & Exhibit Hall Authority, Series 2025, RB",
        "value": "1076619.50",
        "weight": "0.00860287",
        "shared": false
      },
      {
        "name": "Columbia County Hospital Authority, Series A",
        "value": "1067382.10",
        "weight": "0.00852905",
        "shared": false
      },
      {
        "name": "Rome Building Authority, Series 2023",
        "value": "1066619.50",
        "weight": "0.00852296",
        "shared": false
      },
      {
        "name": "MUNI ELEC AUTH OF GEORGIA REGD B/E 5.00000000",
        "value": "1062729.70",
        "weight": "0.00849188",
        "shared": false
      },
      {
        "name": "Rome Building Authority, Series 2023",
        "value": "1059899.30",
        "weight": "0.00846926",
        "shared": false
      },
      {
        "name": "Metropolitan Atlanta Rapid Transit Authority, Series 2025A",
        "value": "1059827.40",
        "weight": "0.00846869",
        "shared": false
      },
      {
        "name": "Griffin Housing Authority, Series 2025 A",
        "value": "1054314.20",
        "weight": "0.00842463",
        "shared": false
      },
      {
        "name": "Main Street Natural Gas, Inc., Series 2025B",
        "value": "1049789.50",
        "weight": "0.00838848",
        "shared": false
      },
      {
        "name": "Douglas County Housing Authority, Series 2025A",
        "value": "1043958.40",
        "weight": "0.00834188",
        "shared": false
      },
      {
        "name": "City of Cartersville, Series 2026",
        "value": "1042098.00",
        "weight": "0.00832702",
        "shared": false
      },
      {
        "name": "City of Atlanta, Series 2024B",
        "value": "1040287.10",
        "weight": "0.00831255",
        "shared": false
      },
      {
        "name": "SPRINGFIELD GA WTR & SWR REVENUE",
        "value": "1039599.90",
        "weight": "0.00830706",
        "shared": false
      },
      {
        "name": "Atlanta Urban Residential Finance Authority, Series 2024A",
        "value": "1038786.40",
        "weight": "0.00830056",
        "shared": false
      },
      {
        "name": "CARTERSVILLE GA WTR & SWR REVENUE",
        "value": "1038500.80",
        "weight": "0.00829827",
        "shared": false
      },
      {
        "name": "Upper Oconee Basin Water Authority, Series 2024",
        "value": "1038109.40",
        "weight": "0.00829515",
        "shared": false
      },
      {
        "name": "Jefferson Public Building Authority, Series 2025",
        "value": "1036997.90",
        "weight": "0.00828626",
        "shared": false
      },
      {
        "name": "City of Columbus, Series 2026",
        "value": "1035971.20",
        "weight": "0.00827806",
        "shared": false
      },
      {
        "name": "Albany-Dougherty County Hospital Authority",
        "value": "1035818.20",
        "weight": "0.00827684",
        "shared": false
      },
      {
        "name": "Development Authority for Fulton County, Series 2026",
        "value": "1034396.60",
        "weight": "0.00826548",
        "shared": false
      },
      {
        "name": "Savannah Economic Development Authority, Georgia, Revenue Bonds, Forsyth Park Parking Project, Series 2026A",
        "value": "1031550.20",
        "weight": "0.00824273",
        "shared": false
      },
      {
        "name": "GRIFFIN GA COMB PUBLIC UTILITY REVENUE",
        "value": "1029280.10",
        "weight": "0.00822459",
        "shared": false
      },
      {
        "name": "MUNI ELEC AUTH OF GA",
        "value": "1028941.60",
        "weight": "0.00822189",
        "shared": false
      },
      {
        "name": "George L. Smith II GA World Congress Center Auth. Rev. (Convention Center Hotel) A",
        "value": "1028772.63",
        "weight": "0.00822054",
        "shared": false
      },
      {
        "name": "Columbia County Hospital Authority, Wellstart Health System Inc., Project, Series 2023A",
        "value": "1027857.90",
        "weight": "0.00821323",
        "shared": false
      },
      {
        "name": "Coweta County Water & Sewage Authority, Series 2024, RB",
        "value": "1027135.20",
        "weight": "0.00820745",
        "shared": false
      },
      {
        "name": "Classic Center Authority for Clarke County, Series 2023A",
        "value": "1025706.40",
        "weight": "0.00819604",
        "shared": false
      },
      {
        "name": "PRIV CLGS & UNIVS AUTH GA",
        "value": "1025410.00",
        "weight": "0.00819367",
        "shared": false
      },
      {
        "name": "Macon Water Authority, Series 2024, RB",
        "value": "1024473.30",
        "weight": "0.00818618",
        "shared": false
      },
      {
        "name": "MUNI ELEC AUTH OF GA",
        "value": "1022887.80",
        "weight": "0.00817352",
        "shared": false
      },
      {
        "name": "DEKALB GA W+S 5% 10/1/2052",
        "value": "1022788.70",
        "weight": "0.00817272",
        "shared": false
      },
      {
        "name": "Walton County Water & Sewer Authority",
        "value": "1022681.10",
        "weight": "0.00817186",
        "shared": false
      },
      {
        "name": "CITY OF ATLANTA GA DEPARTMENT OF AVIATION",
        "value": "1017841.60",
        "weight": "0.00813319",
        "shared": false
      },
      {
        "name": "Rockdale County Public Facilities Authority, Series 2024",
        "value": "1017394.60",
        "weight": "0.00812962",
        "shared": false
      },
      {
        "name": "GEORGIA ST HSG & FIN AUTH REVENUE",
        "value": "1017194.00",
        "weight": "0.00812802",
        "shared": false
      },
      {
        "name": "DEVELOPMENT AUTHORITY FOR FULTON COUNTY",
        "value": "1016944.60",
        "weight": "0.00812603",
        "shared": false
      },
      {
        "name": "NORTH GEORGIA MAC LLC 5.0% 07-01-36",
        "value": "1015536.90",
        "weight": "0.00811478",
        "shared": false
      },
      {
        "name": "Gwinnett (County of), GA Development Authority, Series 2017, Ref. RB",
        "value": "1013229.40",
        "weight": "0.00809634",
        "shared": false
      },
      {
        "name": "Development Authority for Fulton County",
        "value": "1011311.70",
        "weight": "0.00808101",
        "shared": false
      },
      {
        "name": "MUNI ELEC AUTH OF GA REGD B/E AG 5.00000000",
        "value": "1010818.10",
        "weight": "0.00807707",
        "shared": false
      },
      {
        "name": "GNSVLL and HLL GA 5% 2/15/2042",
        "value": "1007623.80",
        "weight": "0.00805155",
        "shared": false
      },
      {
        "name": "Municipal Gas Authority of Georgia, Series 2025",
        "value": "1007489.10",
        "weight": "0.00805047",
        "shared": false
      },
      {
        "name": "DEKALB HSG AUTH-A-REV",
        "value": "1006146.80",
        "weight": "0.00803974",
        "shared": false
      },
      {
        "name": "Henry County Water Authority, Series 2025",
        "value": "1005846.30",
        "weight": "0.00803734",
        "shared": false
      },
      {
        "name": "UNITED STATES SOCCER FEDERATION INC 5.25% 10-01-54",
        "value": "1003589.20",
        "weight": "0.00801931",
        "shared": false
      },
      {
        "name": "SAVANNAH GEORGIA CONVENTION CTR AUTH GA CONVENTION CTR HOTEL",
        "value": "1002028.60",
        "weight": "0.00800684",
        "shared": false
      },
      {
        "name": "City of Atlanta",
        "value": "1000907.70",
        "weight": "0.00799788",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "MFS Institutional Money Market Portfolio, Class A",
        "value": "5117103.28",
        "weight": "0.03287827",
        "shared": true
      },
      {
        "name": "MARYLAND ST ECON DEV CORP LEASE REVENUE",
        "value": "2066416.60",
        "weight": "0.01327708",
        "shared": false
      },
      {
        "name": "Maryland Economic Development Corp., Series 2024",
        "value": "1956308.20",
        "weight": "0.01256962",
        "shared": false
      },
      {
        "name": "Montgomery (County of), MD, Series 2017, GO Bonds",
        "value": "1900000.00",
        "weight": "0.01220783",
        "shared": false
      },
      {
        "name": "MARYLAND ST STD 5% 5/1/2035",
        "value": "1785164.72",
        "weight": "0.01146999",
        "shared": false
      },
      {
        "name": "PUERTO RICO SALES TAX FING COR REGD OID B/E 5.00000000",
        "value": "1727325.78",
        "weight": "0.01109837",
        "shared": true
      },
      {
        "name": "County of Prince George's, Series 2025 A",
        "value": "1607726.55",
        "weight": "0.01032992",
        "shared": false
      },
      {
        "name": "Washington Metropolitan Area Transit Authority Dedicated",
        "value": "1607187.60",
        "weight": "0.01032646",
        "shared": false
      },
      {
        "name": "Maryland Stadium Authority, Series 2024",
        "value": "1571792.40",
        "weight": "0.01009904",
        "shared": false
      },
      {
        "name": "County of Anne Arundel, Series 2025",
        "value": "1562597.40",
        "weight": "0.01003996",
        "shared": false
      },
      {
        "name": "MD HLTH & HGR EDL-A",
        "value": "1561890.15",
        "weight": "0.01003541",
        "shared": false
      },
      {
        "name": "Maryland Health & Higher Educational Facilities Authority",
        "value": "1554150.45",
        "weight": "0.00998568",
        "shared": false
      },
      {
        "name": "PRINCE GEO COP 5% 10/1/48",
        "value": "1524666.75",
        "weight": "0.00979625",
        "shared": false
      },
      {
        "name": "Maryland Community Development Administration, Series 2025 F-1",
        "value": "1506350.25",
        "weight": "0.00967856",
        "shared": false
      },
      {
        "name": "MARYLAND STADIUM AUTHORITY",
        "value": "1492435.35",
        "weight": "0.00958915",
        "shared": false
      },
      {
        "name": "WASHINGTON SUBURBAN SANITARY COMMISSION",
        "value": "1461898.35",
        "weight": "0.00939295",
        "shared": false
      },
      {
        "name": "COUNTY OF BALTIMORE MD",
        "value": "1457850.60",
        "weight": "0.00936694",
        "shared": false
      },
      {
        "name": "County of Howard",
        "value": "1424096.70",
        "weight": "0.00915007",
        "shared": false
      },
      {
        "name": "MARYLAND ST HLTH & HGR EDUCTNL FACS AUTH REVENUE",
        "value": "1406792.17",
        "weight": "0.00903888",
        "shared": false
      },
      {
        "name": "Maryland Health & Higher Educational Facilities Authority, Series 2004",
        "value": "1396223.21",
        "weight": "0.00897098",
        "shared": false
      },
      {
        "name": "County of Anne Arundel, Series 2023",
        "value": "1393211.60",
        "weight": "0.00895163",
        "shared": false
      },
      {
        "name": "City of Baltimore, Series 2019 A",
        "value": "1392087.02",
        "weight": "0.00894440",
        "shared": false
      },
      {
        "name": "Maryland Community Development Administration Department of Housing and Community Development, Residential Revenue Bonds, Taxable Series 2019D",
        "value": "1391971.66",
        "weight": "0.00894366",
        "shared": false
      },
      {
        "name": "MARYLAND ST STA 4% 6/1/2046",
        "value": "1314577.29",
        "weight": "0.00844639",
        "shared": false
      },
      {
        "name": "MARYLAND HEALTH & HIGHER EDUCATIONAL FACILITIES AUTHORITY",
        "value": "1288038.33",
        "weight": "0.00827587",
        "shared": false
      },
      {
        "name": "Maryland Health & Higher Educational Facilities Authority",
        "value": "1260651.72",
        "weight": "0.00809990",
        "shared": false
      },
      {
        "name": "MONTGOMERY CNTY MD REVENUE REGD B/E 5.00000000",
        "value": "1240317.19",
        "weight": "0.00796925",
        "shared": false
      },
      {
        "name": "Maryland Community Development Administration Local Government Infrastructure",
        "value": "1230218.13",
        "weight": "0.00790436",
        "shared": false
      },
      {
        "name": "MD CMNTY DEV-D-1",
        "value": "1190841.13",
        "weight": "0.00765136",
        "shared": false
      },
      {
        "name": "Washington Metropolitan Area Transit Authority, Series 2018, RB",
        "value": "1155596.68",
        "weight": "0.00742491",
        "shared": false
      },
      {
        "name": "MD HEFA 4% 7/1/2048",
        "value": "1108365.50",
        "weight": "0.00712144",
        "shared": false
      },
      {
        "name": "County of Montgomery",
        "value": "1107250.70",
        "weight": "0.00711428",
        "shared": false
      },
      {
        "name": "MD CMNTY DEPT ADMIN-B",
        "value": "1097910.15",
        "weight": "0.00705426",
        "shared": false
      },
      {
        "name": "Maryland Health & Higher Educational Facilities Authority",
        "value": "1094371.76",
        "weight": "0.00703153",
        "shared": false
      },
      {
        "name": "CALIFORNIA COMMUNITY VAR",
        "value": "1081998.20",
        "weight": "0.00695203",
        "shared": false
      },
      {
        "name": "MD TRANSPRTN-A-REF",
        "value": "1080306.40",
        "weight": "0.00694116",
        "shared": false
      },
      {
        "name": "Montgomery County Housing Opportunities Commission, Series 2023 C",
        "value": "1076666.80",
        "weight": "0.00691777",
        "shared": false
      },
      {
        "name": "Maryland Department of Housing & Community Development, Series 2024 E",
        "value": "1076506.43",
        "weight": "0.00691674",
        "shared": false
      },
      {
        "name": "MD ECON DEV CORP-A",
        "value": "1072393.30",
        "weight": "0.00689031",
        "shared": false
      },
      {
        "name": "County of Prince George's",
        "value": "1040425.00",
        "weight": "0.00668491",
        "shared": false
      },
      {
        "name": "MARYLAND ST ECON DEV CORP AIR CARGO REVENUE",
        "value": "1040054.84",
        "weight": "0.00668253",
        "shared": false
      },
      {
        "name": "Washington Metropolitan Area Transit Authority, Series 2025, RB",
        "value": "1038645.70",
        "weight": "0.00667348",
        "shared": false
      },
      {
        "name": "Maryland Stadium Authority Sports Entertainment Facilities Revenue, Series 2023 A",
        "value": "1034419.30",
        "weight": "0.00664632",
        "shared": false
      },
      {
        "name": "State of Maryland Department of Transportation, Series 2024 A",
        "value": "1032954.50",
        "weight": "0.00663691",
        "shared": false
      },
      {
        "name": "MARYLAND ST HLTH & HGR EDUCTNL MARYLAND HEALTH & HIGHER EDUCATIONAL FACILITIES AU",
        "value": "1031303.10",
        "weight": "0.00662630",
        "shared": true
      },
      {
        "name": "MARYLAND ST HLTH & HGR EDUCTNL FACS AUTH REVENUE",
        "value": "1025953.80",
        "weight": "0.00659193",
        "shared": false
      },
      {
        "name": "Maryland Department of Housing & Community Development, Series 2025 D",
        "value": "1024100.00",
        "weight": "0.00658002",
        "shared": false
      },
      {
        "name": "State of Maryland Department of Transportation, Series 2024 A",
        "value": "1023701.30",
        "weight": "0.00657746",
        "shared": false
      },
      {
        "name": "MARYLAND ST STA 4% 6/1/2036",
        "value": "1022381.10",
        "weight": "0.00656898",
        "shared": false
      },
      {
        "name": "Montgomery County Housing Opportunities Commission, Series 2025A",
        "value": "1021211.30",
        "weight": "0.00656146",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0002071691-26-011437",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/751656/000207169126011437/0002071691-26-011437-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0002071691-26-011429",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/751656/000207169126011429/0002071691-26-011429-index.htm"
    }
  ]
}