{
  "page": "compare",
  "query": {
    "a": "MBGAX",
    "b": "MFSSX"
  },
  "retrieved_at": "2026-07-07T17:45:37+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 Massachusetts Municipal Bond Fund",
    "ticker": "MFSSX",
    "slug": "MFSSX",
    "series_id": "S000002534",
    "html_url": "https://fundwatcher.app/funds/MFSSX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.08831617384551534270521048546",
    "coverage_b_by_a": "0.08831617384551534270521048546",
    "shared_count": 47,
    "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": "6780076.38",
        "weight": "0.01677377",
        "shared": true
      },
      {
        "name": "MASSACHUSETTS ST DEV FIN AGY R REGD B/E 5.00000000",
        "value": "5519077.50",
        "weight": "0.01365409",
        "shared": false
      },
      {
        "name": "Commonwealth of Massachusetts Transportation Fund, Series 2025A",
        "value": "5246705.50",
        "weight": "0.01298024",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST DEV FIN AGY REVENUE",
        "value": "5015128.50",
        "weight": "0.01240733",
        "shared": false
      },
      {
        "name": "MA CLEAN WTR TRUST-27",
        "value": "4238510.00",
        "weight": "0.01048599",
        "shared": false
      },
      {
        "name": "MBTA SLS TAX 5.25% 7/1/55",
        "value": "4197145.60",
        "weight": "0.01038365",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST",
        "value": "4174933.60",
        "weight": "0.01032870",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST SCH BLDG AUTH SALES TAX REVENUE",
        "value": "4156830.40",
        "weight": "0.01028392",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST SCH BLDG AUTH SALES TAX REVENUE",
        "value": "4139378.40",
        "weight": "0.01024074",
        "shared": false
      },
      {
        "name": "MA ST TRANS REV 5% 6/1/2053",
        "value": "4128929.20",
        "weight": "0.01021489",
        "shared": false
      },
      {
        "name": "Tri-County Regional Vocational Technical School District, Series CHAPTER 70B",
        "value": "3897596.00",
        "weight": "0.00964257",
        "shared": false
      },
      {
        "name": "MASS DEVEL FIN 4% 10/1/2045",
        "value": "3683306.52",
        "weight": "0.00911243",
        "shared": false
      },
      {
        "name": "PUERTO RICO SALES TAX FING COR REGD OID B/E 5.00000000",
        "value": "3618162.86",
        "weight": "0.00895126",
        "shared": true
      },
      {
        "name": "MASSACHUSETTS ST DEV FIN AGY REVENUE",
        "value": "3613758.75",
        "weight": "0.00894037",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST PORT AUTH",
        "value": "3600171.84",
        "weight": "0.00890675",
        "shared": false
      },
      {
        "name": "Massachusetts Development Finance Agency, Series 2025W",
        "value": "3580581.24",
        "weight": "0.00885829",
        "shared": false
      },
      {
        "name": "Town of Tisbury",
        "value": "3576179.50",
        "weight": "0.00884740",
        "shared": false
      },
      {
        "name": "Massachusetts Housing Finance Agency",
        "value": "3515743.88",
        "weight": "0.00869788",
        "shared": false
      },
      {
        "name": "Massachusetts Bay Transportation Authority, Series 2025 B",
        "value": "3220527.00",
        "weight": "0.00796752",
        "shared": false
      },
      {
        "name": "Massachusetts Educational Financing Authority",
        "value": "3190051.60",
        "weight": "0.00789212",
        "shared": false
      },
      {
        "name": "WAKEFIELD MA REGD B/E 5.00000000",
        "value": "3159303.90",
        "weight": "0.00781605",
        "shared": false
      },
      {
        "name": "Massachusetts Development Finance Agency",
        "value": "3136652.54",
        "weight": "0.00776002",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST DEV FIN AGY REVENUE",
        "value": "3128461.80",
        "weight": "0.00773975",
        "shared": false
      },
      {
        "name": "MA ST TRANS REV 5% 6/1/2049",
        "value": "3112573.20",
        "weight": "0.00770044",
        "shared": false
      },
      {
        "name": "MASS DEVEL FIN 5% 7/1/2048",
        "value": "3106466.46",
        "weight": "0.00768534",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST PORT AUTH REGD B/E AMT 5.00000000",
        "value": "3065727.02",
        "weight": "0.00758455",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST",
        "value": "3061399.50",
        "weight": "0.00757384",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST PORT AUTH",
        "value": "3053706.60",
        "weight": "0.00755481",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST TRANSPRTN FUND REVENUE",
        "value": "3051318.00",
        "weight": "0.00754890",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST DEV FIN AGY R REGD B/E 5.50000000",
        "value": "3048717.60",
        "weight": "0.00754247",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST DEV FIN AGY R REGD B/E 5.00000000",
        "value": "3037816.50",
        "weight": "0.00751550",
        "shared": false
      },
      {
        "name": "Massachusetts Housing Finance Agency",
        "value": "3031967.70",
        "weight": "0.00750103",
        "shared": false
      },
      {
        "name": "Massachusetts Port Authority, Revenue Bonds, Refunding Series 2017A",
        "value": "3019395.90",
        "weight": "0.00746992",
        "shared": false
      },
      {
        "name": "Massachusetts (Commonwealth of), Series 2024 E, GO Bonds",
        "value": "3013826.13",
        "weight": "0.00745615",
        "shared": false
      },
      {
        "name": "Massachusetts Housing Finance Agency, Series 2013B",
        "value": "3000481.50",
        "weight": "0.00742313",
        "shared": false
      },
      {
        "name": "Massachusetts Housing Finance Agency, Series 249",
        "value": "2982815.10",
        "weight": "0.00737942",
        "shared": false
      },
      {
        "name": "S E ENERGY COOP DT",
        "value": "2925100.78",
        "weight": "0.00723664",
        "shared": true
      },
      {
        "name": "MA ST DEV FIN -J2",
        "value": "2888537.40",
        "weight": "0.00714618",
        "shared": false
      },
      {
        "name": "Nashoba Regional School District",
        "value": "2882022.33",
        "weight": "0.00713007",
        "shared": false
      },
      {
        "name": "Commonwealth of Massachusetts Transportation Fund Revenue",
        "value": "2859262.50",
        "weight": "0.00707376",
        "shared": false
      },
      {
        "name": "Massachusetts Development Finance Agency 4.00% 07/01/2039",
        "value": "2848928.03",
        "weight": "0.00704819",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST PORT AUTH",
        "value": "2832906.44",
        "weight": "0.00700855",
        "shared": false
      },
      {
        "name": "Town of Hingham, Series 2025",
        "value": "2813363.75",
        "weight": "0.00696021",
        "shared": false
      },
      {
        "name": "NEW BEDFORD MA",
        "value": "2771977.80",
        "weight": "0.00685782",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST DEV FIN AGY REVENUE",
        "value": "2770168.63",
        "weight": "0.00685334",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST DEV FIN AGY REVENUE",
        "value": "2721192.71",
        "weight": "0.00673218",
        "shared": false
      },
      {
        "name": "MA ST DEV FIN AGY-N",
        "value": "2709922.68",
        "weight": "0.00670429",
        "shared": false
      },
      {
        "name": "Massachusetts Housing Finance Agency, Single Family Housing Revenue Bonds, Social Series 2024-234",
        "value": "2705206.90",
        "weight": "0.00669263",
        "shared": false
      },
      {
        "name": "Massachusetts Development Finance Agency",
        "value": "2624785.64",
        "weight": "0.00649367",
        "shared": false
      },
      {
        "name": "CALIFORNIA ST HLTH FACS FING AUTH REVENUE",
        "value": "2485529.50",
        "weight": "0.00614915",
        "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": "0002071691-26-011422",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/751656/000207169126011422/0002071691-26-011422-index.htm"
    }
  ]
}