{
  "page": "compare",
  "query": {
    "a": "JITAX",
    "b": "JMST"
  },
  "retrieved_at": "2026-07-07T15:25:00+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": "JPMorgan National Municipal Income Fund",
    "ticker": "JITAX",
    "slug": "JITAX",
    "series_id": "S000002946",
    "html_url": "https://fundwatcher.app/funds/JITAX/"
  },
  "fund_b": {
    "name": "JPMorgan Ultra-Short Municipal Income ETF",
    "ticker": "JMST",
    "slug": "JMST",
    "series_id": "S000063269",
    "html_url": "https://fundwatcher.app/funds/JMST/"
  },
  "overlap": {
    "coverage_a_by_b": "0.07316571043300721843266720782",
    "coverage_b_by_a": "0.07316571043300721843266720782",
    "shared_count": 11,
    "as_of": {
      "a": "2025-08-31",
      "b": "2026-02-28"
    },
    "a_top": [
      {
        "name": "JPMorgan Institutional Tax Free Money Market Fund, Class IM",
        "value": "126690651.82",
        "weight": "0.06656751",
        "shared": true
      },
      {
        "name": "County of Utah UT",
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        "weight": "0.01839017",
        "shared": false
      },
      {
        "name": "TN TNSUTL 11/01/2049",
        "value": "33230173.28",
        "weight": "0.01746024",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 5% 12/1/2052 MT",
        "value": "29841340.53",
        "weight": "0.01567964",
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      },
      {
        "name": "SALES TAX SECURTZTN-C",
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        "weight": "0.01284224",
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      },
      {
        "name": "CALIFORNIA COMMUNITY VAR",
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        "weight": "0.01050874",
        "shared": false
      },
      {
        "name": "Grossmont-Cuyamaca Community College District, Election of 2002, Series 2008C",
        "value": "19162424.25",
        "weight": "0.01006858",
        "shared": false
      },
      {
        "name": "LONG ISLAND PWR-B",
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        "weight": "0.00984554",
        "shared": false
      },
      {
        "name": "OHIO WTR DEV AUTH-A",
        "value": "17841149.29",
        "weight": "0.00937434",
        "shared": false
      },
      {
        "name": "State of North Carolina, Series 2019",
        "value": "16364707.47",
        "weight": "0.00859856",
        "shared": false
      },
      {
        "name": "NEW YORK ST DORM AUTH ST PERSONAL INCOME TAX REVENUE",
        "value": "15708740.70",
        "weight": "0.00825390",
        "shared": false
      },
      {
        "name": "CALIFORNIA ST INFRASTRUCTURE & REGD V/R OID B/E AMT 9.50000000",
        "value": "14942827.81",
        "weight": "0.00785146",
        "shared": false
      },
      {
        "name": "TN TNSUTL 05/01/2053",
        "value": "14597893.31",
        "weight": "0.00767022",
        "shared": false
      },
      {
        "name": "BLACK BELT ENERGY GAS DISTRICT (MPT) 5.0% 03-01-55",
        "value": "14324589.78",
        "weight": "0.00752662",
        "shared": false
      },
      {
        "name": "Sales Tax Securitization Corp., Series C",
        "value": "14243741.82",
        "weight": "0.00748414",
        "shared": false
      },
      {
        "name": "State of Mississippi, Series 2018A",
        "value": "14221894.35",
        "weight": "0.00747266",
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      },
      {
        "name": "State of Illinois, Series 2022A",
        "value": "12852045.60",
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        "shared": false
      },
      {
        "name": "NYS TWY PIT 5% 3/15/2042",
        "value": "12384750.00",
        "weight": "0.00650736",
        "shared": false
      },
      {
        "name": "MONTGOMERY INDL 0% 10/1/2053 MT",
        "value": "12329370.82",
        "weight": "0.00647826",
        "shared": false
      },
      {
        "name": "Washington Suburban Sanitary Commission",
        "value": "11864687.72",
        "weight": "0.00623410",
        "shared": false
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      {
        "name": "WY CAMUTL 3.62 07/15/2039",
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        "weight": "0.00621239",
        "shared": false
      },
      {
        "name": "Metropolitan Government of Nashville and Davidson County",
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      {
        "name": "NJ TRANSPRTN-A-REF 5 6/31",
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        "weight": "0.00613549",
        "shared": false
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      {
        "name": "PUERTO RICO SALES TAX FING COR REGD OID B/E 5.00000000",
        "value": "11331313.01",
        "weight": "0.00595385",
        "shared": false
      },
      {
        "name": "State of Illinois, Series 2022B",
        "value": "11070196.00",
        "weight": "0.00581665",
        "shared": false
      },
      {
        "name": "SALES TAX SECURTZTN-C",
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        "weight": "0.00568156",
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      {
        "name": "OH BUCGEN 5 06/01/2055",
        "value": "10718567.81",
        "weight": "0.00563189",
        "shared": false
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      {
        "name": "TN TGYPWR 12/01/2051",
        "value": "10488559.30",
        "weight": "0.00551104",
        "shared": false
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      {
        "name": "Puerto Rico Public Finance Corp., Series 2001E",
        "value": "10298699.00",
        "weight": "0.00541128",
        "shared": false
      },
      {
        "name": "DENVER CO ARPT 5% 12/1/2035 @",
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        "weight": "0.00538828",
        "shared": false
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      {
        "name": "NYC TRANSITIONAL FIN",
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      },
      {
        "name": "NY TRNSPRTN DEV-AMT",
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        "weight": "0.00526231",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 5% MT",
        "value": "9986311.53",
        "weight": "0.00524714",
        "shared": false
      },
      {
        "name": "Dallas (City of), TX Area Rapid Transit, Series 2016 A, Ref. RB",
        "value": "9965844.43",
        "weight": "0.00523639",
        "shared": false
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      {
        "name": "OREGON ST FACS AUTH REVENUE",
        "value": "9875000.00",
        "weight": "0.00518866",
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      },
      {
        "name": "New York City Municipal Water Finance Authority, Water and Sewer System, Second General Resolution, Fiscal Year 2020, Series 2020CC-1",
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        "weight": "0.00517483",
        "shared": false
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      {
        "name": "COLORADO ST HLTH FACS AUTH REV REGD B/E 5.00000000",
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        "weight": "0.00516895",
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      {
        "name": "NJ TRANSPRTN-A-REF",
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      {
        "name": "Washington Metropolitan Area Transit Authority, Series 2024 A",
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      {
        "name": "TX TXSUTL 01/01/2055",
        "value": "9574600.50",
        "weight": "0.00503082",
        "shared": false
      },
      {
        "name": "KENTUCKY UTILITIES CO 2.0% 02-01-32",
        "value": "9556249.50",
        "weight": "0.00502117",
        "shared": false
      },
      {
        "name": "Metropolitan Nashville Airport Authority (The), Series 2022B",
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      {
        "name": "Roswell Development Authority (Wellstar Healthcare, Inc.), Series 2025, RB",
        "value": "9500000.00",
        "weight": "0.00499162",
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      {
        "name": "Sales Tax Securitization Corp., Series 2018C",
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        "weight": "0.00496062",
        "shared": false
      },
      {
        "name": "Douglas County School District No. 001, Omaha Public",
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        "weight": "0.00494647",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 5% MT",
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        "weight": "0.00487656",
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      },
      {
        "name": "NEW YORK ST URBAN DEV CORP SAL REGD B/E 4.00000000",
        "value": "9252167.90",
        "weight": "0.00486140",
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      {
        "name": "DENVER CO ARPT 5% 11/15/37@",
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        "weight": "0.00479546",
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      {
        "name": "Jefferson County Port Authority, Series 2023",
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        "weight": "0.00479388",
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      {
        "name": "MAIN STR NAT GA 5% MT",
        "value": "8992788.77",
        "weight": "0.00472511",
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      }
    ],
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      {
        "name": "JPMorgan Institutional Tax Free Money Market Fund, Class IM",
        "value": "820987514.18",
        "weight": "0.13433149",
        "shared": true
      },
      {
        "name": "NYC MUNI WTR FIN AUTH",
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        "weight": "0.01063542",
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      },
      {
        "name": "WASHINGTON ST-R-2026A",
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        "shared": false
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      {
        "name": "State of Minnesota, Various Purpose, Series 2025D",
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      {
        "name": "TRIBOROUGH NY BRIDGE & TUNNEL AUTH REVENUES",
        "value": "47593694.15",
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      },
      {
        "name": "Township of Woodbridge",
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      {
        "name": "Maryland Health & Higher Educational Facilities Authority, Series 2025 C-1",
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      {
        "name": "Tarrant County Cultural Education Facilities Finance Corp., Series 2012, RB",
        "value": "42920000.00",
        "weight": "0.00702265",
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      {
        "name": "County of Hamilton Sales Tax",
        "value": "42598229.52",
        "weight": "0.00697000",
        "shared": false
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      {
        "name": "NYC TRANSTNL-C6-VAR",
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        "weight": "0.00654487",
        "shared": false
      },
      {
        "name": "HOUSTON TX UTILITY SYS REVENUE CITY OF HOUSTON TX COMBINED UTILITY SYSTEM REVENUE",
        "value": "40000000.00",
        "weight": "0.00654487",
        "shared": false
      },
      {
        "name": "NYC GEN OBLIG-A-4",
        "value": "40000000.00",
        "weight": "0.00654487",
        "shared": false
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      {
        "name": "MASSACHUSETTS ST DEV FIN AGY REVENUE",
        "value": "40000000.00",
        "weight": "0.00654487",
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      {
        "name": "City of Bristol",
        "value": "38046710.56",
        "weight": "0.00622527",
        "shared": false
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      {
        "name": "Pennsylvania Turnpike Commission, Turnpike Revenue Bonds, Variable Rate Series 2020",
        "value": "38000000.00",
        "weight": "0.00621763",
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      },
      {
        "name": "Township of Hamilton",
        "value": "37376308.50",
        "weight": "0.00611558",
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      {
        "name": "Township of Parsippany-Troy Hills",
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      {
        "name": "Township of Livingston",
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      },
      {
        "name": "City of Hudson, Limited Tax",
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        "shared": false
      },
      {
        "name": "SAINT LUCIE CNTY FL POLL CONTR COUNTY OF ST LUCIE FL",
        "value": "35750000.00",
        "weight": "0.00584948",
        "shared": false
      },
      {
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        "value": "35000000.00",
        "weight": "0.00572676",
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      {
        "name": "Connecticut State, Special Tax Obligation Bonds, Transportation Infrastructure Purposes, Series 2025A",
        "value": "34624721.25",
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      {
        "name": "State of Louisiana, Series 2023 A-2",
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      {
        "name": "San Antonio Water System, Subordinate Lien, Series 2024A",
        "value": "33300000.00",
        "weight": "0.00544861",
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      {
        "name": "MICHIGAN ST BLDG AUTH REVENUE",
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        "weight": "0.00539952",
        "shared": false
      },
      {
        "name": "Maine School Administrative District No. 51, Series 2025B",
        "value": "32920059.25",
        "weight": "0.00538644",
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      {
        "name": "COLORADO SPRINGS CO UTILITIES REVENUE",
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      {
        "name": "Township of Teaneck",
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      {
        "name": "Clark County School District, Series 2025B",
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      {
        "name": "Spartanburg County School District No. 7",
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      {
        "name": "Township of Cherry Hill",
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      {
        "name": "City of Albany",
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        "weight": "0.00491276",
        "shared": false
      },
      {
        "name": "VALDEZ AK MARINE TERMINAL REVE VALTRN 05/31 ADJUSTABLE VAR",
        "value": "30000000.00",
        "weight": "0.00490866",
        "shared": false
      },
      {
        "name": "DELAWARE VLY REG-B",
        "value": "30000000.00",
        "weight": "0.00490866",
        "shared": false
      },
      {
        "name": "TNDR OPT-FLTR-046",
        "value": "30000000.00",
        "weight": "0.00490866",
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      },
      {
        "name": "CALIFORNIA ST INFRASTRUCTURE & ECON DEV BANK REVENUE",
        "value": "28482275.85",
        "weight": "0.00466032",
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      },
      {
        "name": "COLORADO ST HLTH FACS AUTH REV REGD V/R B/E 2.65000000",
        "value": "28100000.00",
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      },
      {
        "name": "JERSEY CITY NJ",
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      {
        "name": "Township of Edison",
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      {
        "name": "Township of West Windsor",
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      {
        "name": "BLACK BELT ENERGY GAS FRN",
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      },
      {
        "name": "Town of South Kingstown, Series 2025-1",
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      {
        "name": "Colorado (State of) Health Facilities Authority (Intermountain Healthcare), Series 2024, RB",
        "value": "25000000.00",
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      },
      {
        "name": "Alaska Housing Finance Corp., Home Mortgage, Series 2007A",
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      {
        "name": "University of Colorado Hospital Authority, Series 2018, RB",
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      },
      {
        "name": "City of Jacksonville, Health Care Facilities, Baptist Health",
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      },
      {
        "name": "City of Sea Isle City",
        "value": "24931232.87",
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      },
      {
        "name": "Connecticut Housing Finance Authority, Housing Mortgage Finance Program, Series 2025, Subseries C-3",
        "value": "24680000.00",
        "weight": "0.00403819",
        "shared": false
      },
      {
        "name": "MONMOUTH COUNTY IMPROVEMENT AUTHORITY/THE",
        "value": "24556398.70",
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        "shared": false
      },
      {
        "name": "City of Houston",
        "value": "23508318.31",
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        "shared": false
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    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0002071691-25-004194",
      "as_of": "2025-08-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1217286/000207169125004194/0002071691-25-004194-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0002071691-26-009312",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1485894/000207169126009312/0002071691-26-009312-index.htm"
    }
  ]
}