{
  "page": "compare",
  "query": {
    "a": "MCCAX",
    "b": "MMGAX"
  },
  "retrieved_at": "2026-07-07T16:47:59+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 California Municipal Bond Fund",
    "ticker": "MCCAX",
    "slug": "MCCAX",
    "series_id": "S000002530",
    "html_url": "https://fundwatcher.app/funds/MCCAX/"
  },
  "fund_b": {
    "name": "MFS Georgia Municipal Bond Fund",
    "ticker": "MMGAX",
    "slug": "MMGAX",
    "series_id": "S000002532",
    "html_url": "https://fundwatcher.app/funds/MMGAX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.08366659731159687105835064274",
    "coverage_b_by_a": "0.08366659731159687105835064274",
    "shared_count": 39,
    "as_of": {
      "a": "2026-03-31",
      "b": "2026-03-31"
    },
    "a_top": [
      {
        "name": "MFS Institutional Money Market Portfolio, Class A",
        "value": "33164381.09",
        "weight": "0.04157409",
        "shared": true
      },
      {
        "name": "California Community Choice Financing Authority, Series C",
        "value": "9338921.10",
        "weight": "0.01170705",
        "shared": false
      },
      {
        "name": "CALIFORNIA COMMUNITY VAR",
        "value": "8035752.75",
        "weight": "0.01007343",
        "shared": false
      },
      {
        "name": "LOS ANGELES HSG-A",
        "value": "7919212.00",
        "weight": "0.00992734",
        "shared": false
      },
      {
        "name": "CALIFORNIA MUNICIPAL FINANCE AUTHORITY",
        "value": "7897030.95",
        "weight": "0.00989953",
        "shared": false
      },
      {
        "name": "OAKLAND UNIF SCH D-A",
        "value": "7361357.50",
        "weight": "0.00922802",
        "shared": false
      },
      {
        "name": "Inglewood Joint Powers Authority, Series 2025",
        "value": "6330975.60",
        "weight": "0.00793636",
        "shared": false
      },
      {
        "name": "California Housing Finance Agency, Series 2026 ISSUE A",
        "value": "5891413.20",
        "weight": "0.00738534",
        "shared": false
      },
      {
        "name": "CALIFORNIA ST HLTH FACS FING AUTH REVENUE",
        "value": "5774298.45",
        "weight": "0.00723852",
        "shared": false
      },
      {
        "name": "CALIFORNIA COMMUNITY VAR",
        "value": "5409991.00",
        "weight": "0.00678184",
        "shared": false
      },
      {
        "name": "San Francisco (City & County of), CA Airport Commission (San Francisco International Airport), Second Series 2023 C, Ref. RB",
        "value": "5339977.00",
        "weight": "0.00669407",
        "shared": false
      },
      {
        "name": "San Francisco Community College District, Series B",
        "value": "5309297.00",
        "weight": "0.00665561",
        "shared": false
      },
      {
        "name": "OAKLAND-D",
        "value": "5297019.50",
        "weight": "0.00664022",
        "shared": false
      },
      {
        "name": "California (State of) Community Choice Financing Authority (Green Bonds), Series 2023 C, RB",
        "value": "5289029.00",
        "weight": "0.00663020",
        "shared": true
      },
      {
        "name": "California (State of) Community Choice Financing Authority (Green Bonds), Series 2023, RB",
        "value": "5232771.50",
        "weight": "0.00655968",
        "shared": false
      },
      {
        "name": "IRVINE CMNTY FACS DT",
        "value": "5226065.50",
        "weight": "0.00655127",
        "shared": false
      },
      {
        "name": "San Diego County Regional Airport Authority, Series 2025 B",
        "value": "5203924.00",
        "weight": "0.00652352",
        "shared": false
      },
      {
        "name": "SAN LUIS OBISPO PUBLIC FINANCI SLOFIN 12/53 FIXED 5",
        "value": "5185679.00",
        "weight": "0.00650064",
        "shared": false
      },
      {
        "name": "CALIFORNIA ST HLTH FACS FING AUTH REVENUE",
        "value": "5167421.00",
        "weight": "0.00647776",
        "shared": false
      },
      {
        "name": "PUERTO RICO SALES TAX FING COR REGD OID B/E 5.00000000",
        "value": "5082159.40",
        "weight": "0.00637088",
        "shared": true
      },
      {
        "name": "Mt. San Antonio Community College District, Series 2013A",
        "value": "5075566.50",
        "weight": "0.00636261",
        "shared": false
      },
      {
        "name": "CA STWD(ENLOE HLTH SYST)/AGM 5.38% 8/15/57",
        "value": "5057092.00",
        "weight": "0.00633945",
        "shared": false
      },
      {
        "name": "CA MUNI FIN AUTH-A",
        "value": "5004730.50",
        "weight": "0.00627381",
        "shared": false
      },
      {
        "name": "California Housing Finance Agency, Series 2024 ISSUE DD",
        "value": "4960470.00",
        "weight": "0.00621833",
        "shared": false
      },
      {
        "name": "CALIFORNIA HSG FIN AGY LTD OBLIG MF HSG REVENUE",
        "value": "4913372.00",
        "weight": "0.00615929",
        "shared": false
      },
      {
        "name": "CALIFORNIA HSG FIN AGY LTD OBLIG MF HSG REVENUE",
        "value": "4913372.00",
        "weight": "0.00615929",
        "shared": false
      },
      {
        "name": "CALIFORNIA HSG FIN AGY LTD OBLIG MF HSG REVENUE",
        "value": "4911349.50",
        "weight": "0.00615675",
        "shared": false
      },
      {
        "name": "North Lake Tahoe Public Financing Authority 5.50% 12/01/2047",
        "value": "4779932.79",
        "weight": "0.00599201",
        "shared": false
      },
      {
        "name": "SANTA CLARA CY 3% 5/1/2039",
        "value": "4749264.98",
        "weight": "0.00595357",
        "shared": false
      },
      {
        "name": "New Hampshire Business Finance Authority, Series 4, Class A",
        "value": "4745309.41",
        "weight": "0.00594861",
        "shared": false
      },
      {
        "name": "Clovis Unified School District, Series C",
        "value": "4709697.50",
        "weight": "0.00590397",
        "shared": false
      },
      {
        "name": "Alameda Corridor Transportation Authority, Series C",
        "value": "4657024.28",
        "weight": "0.00583794",
        "shared": false
      },
      {
        "name": "UNIV OF CA REGENTS -P",
        "value": "4520440.00",
        "weight": "0.00566672",
        "shared": false
      },
      {
        "name": "LOS ANGELES DEPT ARPT",
        "value": "4460673.00",
        "weight": "0.00559179",
        "shared": false
      },
      {
        "name": "CALIFORNIA ST MUNI FIN AUTH RE CASFIN 01/42 FIXED 5",
        "value": "4318553.63",
        "weight": "0.00541364",
        "shared": false
      },
      {
        "name": "CALIFORNIA CMNTY CHOICE FING A REGD B/E 5.25000000",
        "value": "4290378.80",
        "weight": "0.00537832",
        "shared": false
      },
      {
        "name": "CALIFORNIA COMMUNITY VAR",
        "value": "4284094.80",
        "weight": "0.00537044",
        "shared": false
      },
      {
        "name": "CA ST UNIV-A-REF",
        "value": "4276758.00",
        "weight": "0.00536124",
        "shared": false
      },
      {
        "name": "LOS ANGELES CA DEPT OF ARPTS ARPT REVENUE",
        "value": "4264779.42",
        "weight": "0.00534623",
        "shared": false
      },
      {
        "name": "San Francisco (City & County of), CA Airport Commission (San Francisco International Airport), Second Series 2024, Ref. RB",
        "value": "4256294.40",
        "weight": "0.00533559",
        "shared": false
      },
      {
        "name": "Ceres Unified School District, Series 2025A",
        "value": "4169338.00",
        "weight": "0.00522658",
        "shared": false
      },
      {
        "name": "Los Angeles Department of Airports, California, Revenue Bonds, Los Angeles International Airport, Refunding Subordinate Green Series 2025A",
        "value": "4167433.20",
        "weight": "0.00522420",
        "shared": false
      },
      {
        "name": "Kerman Public Financing Authority, Series 2025",
        "value": "4151228.00",
        "weight": "0.00520388",
        "shared": false
      },
      {
        "name": "San Francisco (City & County of), CA Airport Commission (San Francisco International Airport), Series 2016, RB",
        "value": "4000098.00",
        "weight": "0.00501443",
        "shared": false
      },
      {
        "name": "CA ST MFA COP 5.25% 11/1/2052",
        "value": "3994617.20",
        "weight": "0.00500756",
        "shared": false
      },
      {
        "name": "CA MUNI FIN AUTH-A",
        "value": "3992080.80",
        "weight": "0.00500438",
        "shared": false
      },
      {
        "name": "BEVERLY HILLS USD CAB",
        "value": "3985423.87",
        "weight": "0.00499603",
        "shared": false
      },
      {
        "name": "REPUBLIC SERVICES INC (MPT) 3.875% 03-01-54",
        "value": "3972416.40",
        "weight": "0.00497973",
        "shared": false
      },
      {
        "name": "INDIO PUB FING AUTH-A",
        "value": "3933807.70",
        "weight": "0.00493133",
        "shared": false
      },
      {
        "name": "GOLDEN ST TOBACCO SECURITIZATI REGD B/E 5.00000000",
        "value": "3914510.80",
        "weight": "0.00490714",
        "shared": false
      }
    ],
    "b_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
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0002071691-26-011424",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/751656/000207169126011424/0002071691-26-011424-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "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"
    }
  ]
}