{
  "page": "compare",
  "query": {
    "a": "EXDVX",
    "b": "MFSM"
  },
  "retrieved_at": "2026-07-07T18:31:30+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": "Diversified Tax Exempt Series",
    "ticker": "EXDVX",
    "slug": "EXDVX",
    "series_id": "S000003638",
    "html_url": "https://fundwatcher.app/funds/EXDVX/"
  },
  "fund_b": {
    "name": "MFS Active Intermediate Muni Bond ETF",
    "ticker": "MFSM",
    "slug": "MFSM",
    "series_id": "S000085668",
    "html_url": "https://fundwatcher.app/funds/MFSM/"
  },
  "overlap": {
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    "coverage_b_by_a": "0.02572606420131381251786059971",
    "shared_count": 1,
    "as_of": {
      "a": "2026-03-31",
      "b": "2026-02-28"
    },
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        "name": "ISHARES NATIONAL MUNI BOND ETF ISHARES NATIONAL MUNI BOND E",
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      {
        "name": "New York City Transitional Finance Authority Future Tax Secured Revenue",
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      {
        "name": "DT OF COLUMBIA",
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        "name": "State of Ohio",
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      {
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      {
        "name": "N TX MUNI WTR DIST -A",
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      {
        "name": "County of Maui HI",
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        "name": "Metropolitan Government of Nashville & Davidson County TN Electric Revenue",
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        "name": "Fort Zumwalt School District",
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      {
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      {
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        "name": "State Street Navigator Securities Lending Portfolio II",
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      {
        "name": "ISHARES NATIONAL MUNI BOND ETF ISHARES NATIONAL MUNI BOND E",
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      },
      {
        "name": "VANGUARD TAX-EXM",
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      {
        "name": "PASCO CNTY FL SOL WST DISP & RESOURCE RECOVERY SYS",
        "value": "751057.98",
        "weight": "0.01021594",
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      },
      {
        "name": "Kentucky Bond Development Corp., Series A",
        "value": "575936.10",
        "weight": "0.00783392",
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      {
        "name": "CHERRY CREEK SD#5",
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      {
        "name": "GTR ASHEVILLE REGL ARPT AUTH N REGD B/E AMT AG 5.25000000",
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      },
      {
        "name": "California Community Choice Financing Authority, Series F",
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      {
        "name": "PENNSYLVANIA ST TURNPIKE COMMISSION TURNPIKE REVENUE",
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      },
      {
        "name": "PENNSYLVANIA ST ECON DEV FING REGD B/E AMT AG 5.50000000",
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      },
      {
        "name": "State of Minnesota 4.00% 08/01/2041",
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        "weight": "0.00707013",
        "shared": false
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      {
        "name": "NORTH ALLEGHENY PA SC",
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      {
        "name": "NYC HSG DEV CORP-F-2",
        "value": "505958.35",
        "weight": "0.00688208",
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      },
      {
        "name": "SANTA NM 3.29% 12/10/2049 MT",
        "value": "504510.30",
        "weight": "0.00686238",
        "shared": false
      },
      {
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      },
      {
        "name": "CALIFORNIA COMMUNITY VAR",
        "value": "488218.46",
        "weight": "0.00664078",
        "shared": false
      },
      {
        "name": "BLACK BELT ENERGY GAS DIST AL GAS PROJECT REVENUE",
        "value": "469192.35",
        "weight": "0.00638198",
        "shared": false
      },
      {
        "name": "Fulton (County of), GA Development Authority (Georgia Institute of Technology), Series 2019, RB",
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        "weight": "0.00608946",
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      },
      {
        "name": "HOUSTON TX ARPT SYS REVENUE REGD B/E AMT 5.25000000",
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        "weight": "0.00604135",
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      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Series 2025B",
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        "shared": false
      },
      {
        "name": "PROVIDENCE RI PUBLIC BLDGS AUTH REVENUE",
        "value": "385263.04",
        "weight": "0.00524037",
        "shared": false
      },
      {
        "name": "ROCKLAND CNTY NY SOL WST MGMT AUTH",
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        "weight": "0.00518914",
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      },
      {
        "name": "MAIN STR NAT GA 5% MT",
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        "weight": "0.00515221",
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      },
      {
        "name": "Los Angeles (City of), CA Department of Airports (Los Angeles International Airport), Series 2018 A, RB",
        "value": "365360.94",
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      },
      {
        "name": "N ORLEANS AVIAT 5% 1/1/2036@",
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      },
      {
        "name": "METROHEALTH SYSTEM 5.5% 02-15-52",
        "value": "346519.60",
        "weight": "0.00471338",
        "shared": false
      },
      {
        "name": "COOK CNTY IL CMNTY SCH DIST #152 1/2 HAZEL CREST",
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      },
      {
        "name": "Omaha Airport Authority",
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      {
        "name": "PUBLIC FIN AUTH WI REVENUE",
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        "weight": "0.00458492",
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      {
        "name": "STHRN ILLINOIS ST UNIV",
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        "weight": "0.00454013",
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      {
        "name": "CENTRL TX REGL MOBILITY AUTH REVENUE",
        "value": "333300.19",
        "weight": "0.00453357",
        "shared": false
      },
      {
        "name": "PUERTO RICO ELEC PWR AUTH PWRREVENUE",
        "value": "332263.43",
        "weight": "0.00451947",
        "shared": false
      },
      {
        "name": "Miami County Unified School District No 367 Osawatomie     5.250%  09/01/2042",
        "value": "328437.87",
        "weight": "0.00446743",
        "shared": false
      },
      {
        "name": "CHESAPEAKE VA HOSP AUTH HOSP FAC REVENUE",
        "value": "325167.81",
        "weight": "0.00442295",
        "shared": false
      },
      {
        "name": "PK CREEK MET DIST-REF",
        "value": "321069.87",
        "weight": "0.00436721",
        "shared": false
      },
      {
        "name": "LAWTON OK INDL DEV AUTH SALES TAX REVENUE",
        "value": "320865.30",
        "weight": "0.00436443",
        "shared": false
      },
      {
        "name": "RAMPART RANGE CO MET DIST #1 LIMITED TAX SUPPORTED & SPL REV",
        "value": "317772.51",
        "weight": "0.00432236",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST EDUCTNL FING AUTH",
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        "weight": "0.00431319",
        "shared": false
      },
      {
        "name": "PENNSYLVANIA ST ECON DEV FING PASMED 03/60 ADJUSTABLE VAR",
        "value": "310811.90",
        "weight": "0.00422768",
        "shared": false
      },
      {
        "name": "GRAND PKWY TRANSPRTN",
        "value": "310065.69",
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        "shared": false
      },
      {
        "name": "RESTRUCTURED-SER A1",
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        "weight": "0.00417562",
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      },
      {
        "name": "MAINE HLTH & HGR EDUCTNL FACS AUTH REVENUE",
        "value": "302355.96",
        "weight": "0.00411266",
        "shared": false
      },
      {
        "name": "COMMERCE SCHOOL DISTRICT",
        "value": "300067.83",
        "weight": "0.00408154",
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      {
        "name": "UT SALAPT 5 07/01/2042",
        "value": "299715.49",
        "weight": "0.00407675",
        "shared": false
      },
      {
        "name": "METROCARE SERVICES TX REVENUE",
        "value": "296998.54",
        "weight": "0.00403979",
        "shared": false
      },
      {
        "name": "GRAND RIVER CO HOSP DIST",
        "value": "294956.28",
        "weight": "0.00401201",
        "shared": false
      },
      {
        "name": "New York Transportation Development Corp., Series 2025",
        "value": "289840.85",
        "weight": "0.00394243",
        "shared": false
      },
      {
        "name": "SOUTH CAROLINA ST JOBS-ECON DEV AUTH HLTH FACS REVENUE",
        "value": "286176.85",
        "weight": "0.00389260",
        "shared": false
      },
      {
        "name": "WYOMING MI PUBLIC SCHS",
        "value": "283499.98",
        "weight": "0.00385618",
        "shared": false
      },
      {
        "name": "MASSACHUSET REV 5% 7/1/2041",
        "value": "282728.95",
        "weight": "0.00384570",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000940400-26-021761",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/751173/000094040026021761/0000940400-26-021761-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001410368-26-040051",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/2018846/000141036826040051/0001410368-26-040051-index.htm"
    }
  ]
}