{
  "page": "compare",
  "query": {
    "a": "PRIMX",
    "b": "MSTPX"
  },
  "retrieved_at": "2026-07-07T18:28:40+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": "T. Rowe Price Summit Municipal Income Fund",
    "ticker": "PRIMX",
    "slug": "PRIMX",
    "series_id": "S000002157",
    "html_url": "https://fundwatcher.app/funds/PRIMX/"
  },
  "fund_b": {
    "name": "Morningstar Municipal Bond Fund",
    "ticker": "MSTPX",
    "slug": "MSTPX",
    "series_id": "S000057731",
    "html_url": "https://fundwatcher.app/funds/MSTPX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.1427909612627070877673159616",
    "coverage_b_by_a": "0.1427909612627070877673159620",
    "shared_count": 175,
    "as_of": {
      "a": "2026-01-31",
      "b": "2026-01-30"
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      },
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        "name": "Tarrant County Cultural Education Facilities Finance Corp., Methodist Hospitals of Dallas Project, Series 2008-A",
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      {
        "name": "MAIN STR NAT GA 5% 5/1/2055 MT",
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      {
        "name": "Puerto Rico, General Obligation Bonds, Clawback Highway Transportation Authority Claims Taxable Series 2022",
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      },
      {
        "name": "New York City Transitional Finance Authority, Series A-1",
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      {
        "name": "TX TXSUTL 01/01/2055",
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        "weight": "0.00576399",
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      {
        "name": "JEA WTR & SWR REV-A",
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        "weight": "0.00566874",
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      {
        "name": "OK TURNPIKE AUTH",
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        "weight": "0.00558064",
        "shared": true
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      {
        "name": "TX TTFTRN 5.5 10/01/2055",
        "value": "15478054.02",
        "weight": "0.00551553",
        "shared": true
      },
      {
        "name": "COUNTY OF COOK IL SALES TAX REVENUE",
        "value": "15365329.96",
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      {
        "name": "NE CENPWR 08/01/2055",
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      {
        "name": "State of Colorado, Series 2022",
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        "weight": "0.00514435",
        "shared": true
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      {
        "name": "Los Angeles Department of Airports, California, Revenue Bonds, Los Angeles International Airport, Refunding Subordinate Green Series 2025A",
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      {
        "name": "OH BUCGEN 5 06/01/2055",
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      {
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      {
        "name": "LOUISVILLE/JEFFERSON COUNTY METROPOLITAN GOVERNMENT",
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      {
        "name": "ARLINGTON TX HGR EDU FIN CORP REGD OID B/E PSF-GTD 4.00000000",
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        "name": "Metropolitan Nashville, TN Airport Auth. Rev. B, AMT",
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        "name": "State of Colorado, Rural Colorado, Certificates of Participation, Series 2022",
        "value": "10866436.49",
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      {
        "name": "Virginia (Commonwealth of) College Building Authority (21st Century College and Equipment Programs), Series 2024, RB",
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      {
        "name": "MBTA SLS TAX 5.25% 7/1/2054",
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      {
        "name": "California Community Choice Financing Authority, Series B",
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      {
        "name": "SEATTLE WA MUNI LIGHT & PWR REVENUE",
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      {
        "name": "NY TRANSPRTN DEV CORP",
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        "weight": "0.00352646",
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      {
        "name": "TX TRANSPRTN-C-REF",
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        "weight": "0.00349907",
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      {
        "name": "George L. Smith II GA World Congress Center Auth. Rev. (Convention Center Hotel) A",
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      {
        "name": "NY TRNSPRTN DEV CRP-A",
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      {
        "name": "PHILADELPHIA PA AUTH FOR INDL DEV HOSP REVENUE",
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      {
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      {
        "name": "WA ST HSG FIN COMMN-1",
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        "weight": "0.00332887",
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      {
        "name": "Washington Metropolitan Area Transit Authority, Series 2023A",
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        "weight": "0.00331473",
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      {
        "name": "WASHINGTON SUBURBAN SANITARY COMMISSION",
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      {
        "name": "MD ST STADIUM-UNREFD",
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      {
        "name": "SOUTH DAKOTA ST HLTH & EDUCTNL FACS AUTH",
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        "weight": "0.00318659",
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        "name": "City of Atlanta, Series 2023 E",
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      {
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        "weight": "0.00315621",
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      {
        "name": "Puerto Rico, General Obligation Bonds, Vintage CW NT Claims Taxable Series 2022",
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        "weight": "0.00312823",
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      {
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        "weight": "0.00308958",
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      {
        "name": "California Community Choice Financing Authority, Series 2025G",
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        "weight": "0.00306043",
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      {
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      {
        "name": "PUERTO RICO SALES TAX FING COR REGD OID B/E 5.00000000",
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    "b_top": [
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        "name": "NT-INST TRSR-PRM",
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      {
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      {
        "name": "OSF HEALTHCARE SYSTEM OBLIGATED GROUP (MPT) 5.0% 05-15-50",
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      {
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      {
        "name": "TRIBOROUGH BRIDGE-B2",
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      {
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      {
        "name": "CO THODEV 5 12/01/2029",
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      {
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      {
        "name": "NY TRANSITIONAL FIN-D",
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      {
        "name": "IL CHI 5 01/01/2032",
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      {
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      {
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      {
        "name": "TX TXSTRN 5.5 06/30/2042",
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      {
        "name": "IL COOGEN 5 11/15/2045",
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      {
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      {
        "name": "TX HSPMFH 11/01/2045",
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      },
      {
        "name": "AZ ST INDL DEV AUTH-A",
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      {
        "name": "NYS ENV SWD 2.75% 9/1/2050 MT",
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      },
      {
        "name": "STHRN ID REGL SOL WST DIST REV REGD B/E 4.00000000",
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        "name": "NE LINMFH 01/10/2048",
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        "name": "TX SANUTL 02/01/2055",
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  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001099263-26-003715",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/912029/000109926326003715/0001099263-26-003715-index.htm"
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      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1699360/000206657826000963/0002066578-26-000963-index.htm"
    }
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}