{
  "page": "compare",
  "query": {
    "a": "MNCLX",
    "b": "MFSMX"
  },
  "retrieved_at": "2026-07-07T17:31:10+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 North Carolina Municipal Bond Fund",
    "ticker": "MNCLX",
    "slug": "MNCLX",
    "series_id": "S000002523",
    "html_url": "https://fundwatcher.app/funds/MNCLX/"
  },
  "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": "0.1209365882571652032327064268",
    "coverage_b_by_a": "0.1209365882571652032327064267",
    "shared_count": 58,
    "as_of": {
      "a": "2026-03-31",
      "b": "2026-03-31"
    },
    "a_top": [
      {
        "name": "MFS Institutional Money Market Portfolio, Class A",
        "value": "15976295.95",
        "weight": "0.02897849",
        "shared": true
      },
      {
        "name": "University of North Carolina at Chapel Hill",
        "value": "6512836.20",
        "weight": "0.01181326",
        "shared": false
      },
      {
        "name": "GTR ASHEVILLE REGL ARPT AUTH NC ARPT SYS REVENUE",
        "value": "6095439.00",
        "weight": "0.01105617",
        "shared": false
      },
      {
        "name": "PUERTO RICO SALES TAX FING COR REGD OID B/E 5.00000000",
        "value": "6016645.50",
        "weight": "0.01091325",
        "shared": true
      },
      {
        "name": "Water and Sewer Authority of Cabarrus County, Series 2024",
        "value": "5658088.20",
        "weight": "0.01026288",
        "shared": false
      },
      {
        "name": "City of Charlotte Water & Sewer System, Series 2024",
        "value": "5225688.50",
        "weight": "0.00947858",
        "shared": false
      },
      {
        "name": "DALLAS-FORT WORTH TX INTERNATI REGD B/E AMT 5.25000000",
        "value": "5221279.50",
        "weight": "0.00947058",
        "shared": false
      },
      {
        "name": "UNIV OF NORTH CAROLINA NC AT CHAPEL HILL  REVENUE",
        "value": "5218951.50",
        "weight": "0.00946636",
        "shared": false
      },
      {
        "name": "NC GRVUTL 5 09/01/2049",
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      {
        "name": "NORTH CAROLINA ST HSG FIN AGY REGD B/E GNMA/FN 5.00000000",
        "value": "5030895.41",
        "weight": "0.00912525",
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      },
      {
        "name": "Gastonia Housing Authority, Series 2026",
        "value": "5004776.00",
        "weight": "0.00907788",
        "shared": false
      },
      {
        "name": "North Carolina Turnpike Authority, Triangle Expressway System Revenue Bonds, Senior Lien Series 2024A",
        "value": "4997525.00",
        "weight": "0.00906472",
        "shared": false
      },
      {
        "name": "NORTH CAROLINA ST CAPITAL FACS FIN AGY REVENUE",
        "value": "4983824.72",
        "weight": "0.00903987",
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      },
      {
        "name": "North Carolina Housing Finance Agency, Series M TEMS 2024",
        "value": "4951026.96",
        "weight": "0.00898038",
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      },
      {
        "name": "NORTH CAROLINA ST HSG FIN AGY REGD B/E GNMA/FN 6.25000000",
        "value": "4904619.49",
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      {
        "name": "UNIV OF NORTH CAROLINA NC AT C UNCHGR 12/55 FIXED 5",
        "value": "4824226.71",
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        "shared": false
      },
      {
        "name": "NYC TRANSIT FIN-F-1",
        "value": "4730854.91",
        "weight": "0.00858103",
        "shared": false
      },
      {
        "name": "North Carolina (State of) Medical Care Commission (Rex Healthcare), Series 2020, RB",
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        "weight": "0.00835613",
        "shared": false
      },
      {
        "name": "Johnston County, North Carolina, Water and Sewer Revenue Bonds, Series 2023",
        "value": "4595254.50",
        "weight": "0.00833507",
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      {
        "name": "Florida State Board of Governors, Series 2024A",
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      {
        "name": "City of Charlotte NC Airport Revenue",
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      {
        "name": "NORTH CAROLINA ST HSG FIN AGY REGD B/E GNMA/FN 5.50000000",
        "value": "4514798.24",
        "weight": "0.00818913",
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      },
      {
        "name": "NORTH CAROLINA ST MED CARE COMMISSION HLTH CARE FACS REVENUE",
        "value": "4386797.50",
        "weight": "0.00795696",
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      },
      {
        "name": "NORTH CAROLINA ST CENTRL UNIV",
        "value": "4308941.00",
        "weight": "0.00781574",
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      {
        "name": "NORTH CAROLINA HSG FIN AGY HOM REGD B/E GNMA/FN 6.25000000",
        "value": "4282162.14",
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      },
      {
        "name": "City of Greensboro",
        "value": "4221984.80",
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      {
        "name": "City of Greensboro",
        "value": "4195376.07",
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      {
        "name": "University of North Carolina at Charlotte (The)",
        "value": "4091035.69",
        "weight": "0.00742050",
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      {
        "name": "Raleigh Housing Authority, Series 2024A",
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      {
        "name": "County of Mecklenburg, Series 2025B",
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      {
        "name": "County of Mecklenburg, Series 2025",
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      {
        "name": "County of Guilford, Series 2025",
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      {
        "name": "Inlivian, Series BDS 2024",
        "value": "3788866.47",
        "weight": "0.00687241",
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      {
        "name": "Johnston County, North Carolina, Water and Sewer Revenue Bonds, Series 2023",
        "value": "3786743.60",
        "weight": "0.00686856",
        "shared": false
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      {
        "name": "Western Carolina University, North Carolina, General Revenue Bonds, Series 2018",
        "value": "3757543.51",
        "weight": "0.00681559",
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      {
        "name": "NORTH CAROLINA ST HSG FIN AGY REGD B/E 5.75000000",
        "value": "3568752.42",
        "weight": "0.00647316",
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      },
      {
        "name": "NORTH CAROLINA ST HSG FIN AGY REGD B/E GNMA/FN 6.25000000",
        "value": "3545035.81",
        "weight": "0.00643014",
        "shared": false
      },
      {
        "name": "Gastonia Housing Authority, Series BDS 2024A",
        "value": "3484445.15",
        "weight": "0.00632024",
        "shared": false
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      {
        "name": "Alameda Corridor Transportation Authority, Series C",
        "value": "3367037.08",
        "weight": "0.00610728",
        "shared": false
      },
      {
        "name": "NORTH CAROLINA ST CENTRL UNIV",
        "value": "3308479.35",
        "weight": "0.00600106",
        "shared": false
      },
      {
        "name": "City of Charlotte NC",
        "value": "3233122.71",
        "weight": "0.00586438",
        "shared": false
      },
      {
        "name": "Elizabeth City State University, North Carolina, General Revenue Bonds, Series 2019",
        "value": "3222841.97",
        "weight": "0.00584573",
        "shared": false
      },
      {
        "name": "North Carolina Housing Finance Agency, Series 60",
        "value": "3177352.07",
        "weight": "0.00576322",
        "shared": false
      },
      {
        "name": "Town of Holly Springs, Series 2026",
        "value": "3176324.60",
        "weight": "0.00576135",
        "shared": false
      },
      {
        "name": "City of Charlotte, Series 2025A",
        "value": "3142811.70",
        "weight": "0.00570057",
        "shared": false
      },
      {
        "name": "CHARLOTTE-MECKLENBURG NC HOSP AUTH HLTH CARE SYS REVENUE",
        "value": "3141048.00",
        "weight": "0.00569737",
        "shared": false
      },
      {
        "name": "Johnston County, North Carolina, Water and Sewer Revenue Bonds, Series 2024",
        "value": "3101432.10",
        "weight": "0.00562551",
        "shared": false
      },
      {
        "name": "North Carolina Turnpike Authority",
        "value": "3090663.30",
        "weight": "0.00560598",
        "shared": false
      },
      {
        "name": "Appalachian State University, North Carolina, General Revenue Bonds, Millennial Campus End Zone Project, Series 2018",
        "value": "3073702.50",
        "weight": "0.00557521",
        "shared": false
      },
      {
        "name": "Charlotte-Mecklenburg Hospital Authority (The), Series 2016 A",
        "value": "3002685.00",
        "weight": "0.00544640",
        "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",
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      {
        "name": "Maryland Economic Development Corp., Series 2024",
        "value": "1956308.20",
        "weight": "0.01256962",
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      {
        "name": "Montgomery (County of), MD, Series 2017, GO Bonds",
        "value": "1900000.00",
        "weight": "0.01220783",
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      {
        "name": "MARYLAND ST STD 5% 5/1/2035",
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      },
      {
        "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
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      {
        "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",
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      {
        "name": "MARYLAND STADIUM AUTHORITY",
        "value": "1492435.35",
        "weight": "0.00958915",
        "shared": false
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      {
        "name": "WASHINGTON SUBURBAN SANITARY COMMISSION",
        "value": "1461898.35",
        "weight": "0.00939295",
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      },
      {
        "name": "COUNTY OF BALTIMORE MD",
        "value": "1457850.60",
        "weight": "0.00936694",
        "shared": false
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      {
        "name": "County of Howard",
        "value": "1424096.70",
        "weight": "0.00915007",
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      {
        "name": "MARYLAND ST HLTH & HGR EDUCTNL FACS AUTH REVENUE",
        "value": "1406792.17",
        "weight": "0.00903888",
        "shared": false
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      {
        "name": "Maryland Health & Higher Educational Facilities Authority, Series 2004",
        "value": "1396223.21",
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      {
        "name": "County of Anne Arundel, Series 2023",
        "value": "1393211.60",
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      {
        "name": "City of Baltimore, Series 2019 A",
        "value": "1392087.02",
        "weight": "0.00894440",
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      {
        "name": "Maryland Community Development Administration Department of Housing and Community Development, Residential Revenue Bonds, Taxable Series 2019D",
        "value": "1391971.66",
        "weight": "0.00894366",
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      {
        "name": "MARYLAND ST STA 4% 6/1/2046",
        "value": "1314577.29",
        "weight": "0.00844639",
        "shared": false
      },
      {
        "name": "MARYLAND HEALTH & HIGHER EDUCATIONAL FACILITIES AUTHORITY",
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        "weight": "0.00827587",
        "shared": false
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      {
        "name": "Maryland Health & Higher Educational Facilities Authority",
        "value": "1260651.72",
        "weight": "0.00809990",
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      {
        "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",
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      {
        "name": "MD CMNTY DEV-D-1",
        "value": "1190841.13",
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      {
        "name": "Washington Metropolitan Area Transit Authority, Series 2018, RB",
        "value": "1155596.68",
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      {
        "name": "MD HEFA 4% 7/1/2048",
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      {
        "name": "County of Montgomery",
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      {
        "name": "MD CMNTY DEPT ADMIN-B",
        "value": "1097910.15",
        "weight": "0.00705426",
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      {
        "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",
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      },
      {
        "name": "MD TRANSPRTN-A-REF",
        "value": "1080306.40",
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        "shared": false
      },
      {
        "name": "Montgomery County Housing Opportunities Commission, Series 2023 C",
        "value": "1076666.80",
        "weight": "0.00691777",
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      },
      {
        "name": "Maryland Department of Housing & Community Development, Series 2024 E",
        "value": "1076506.43",
        "weight": "0.00691674",
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      },
      {
        "name": "MD ECON DEV CORP-A",
        "value": "1072393.30",
        "weight": "0.00689031",
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      },
      {
        "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",
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      },
      {
        "name": "Washington Metropolitan Area Transit Authority, Series 2025, RB",
        "value": "1038645.70",
        "weight": "0.00667348",
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      },
      {
        "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",
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        "shared": false
      },
      {
        "name": "MARYLAND ST HLTH & HGR EDUCTNL MARYLAND HEALTH & HIGHER EDUCATIONAL FACILITIES AU",
        "value": "1031303.10",
        "weight": "0.00662630",
        "shared": false
      },
      {
        "name": "MARYLAND ST HLTH & HGR EDUCTNL FACS AUTH REVENUE",
        "value": "1025953.80",
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        "shared": false
      },
      {
        "name": "Maryland Department of Housing & Community Development, Series 2025 D",
        "value": "1024100.00",
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      },
      {
        "name": "State of Maryland Department of Transportation, Series 2024 A",
        "value": "1023701.30",
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      },
      {
        "name": "MARYLAND ST STA 4% 6/1/2036",
        "value": "1022381.10",
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      },
      {
        "name": "Montgomery County Housing Opportunities Commission, Series 2025A",
        "value": "1021211.30",
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    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0002071691-26-011428",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/751656/000207169126011428/0002071691-26-011428-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"
    }
  ]
}