{
  "page": "compare",
  "query": {
    "a": "JMUB",
    "b": "BBMUX"
  },
  "retrieved_at": "2026-07-07T17:33:46+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 Municipal ETF",
    "ticker": "JMUB",
    "slug": "JMUB",
    "series_id": "S000063268",
    "html_url": "https://fundwatcher.app/funds/JMUB/"
  },
  "fund_b": {
    "name": "Bridge Builder Municipal Bond Fund",
    "ticker": "BBMUX",
    "slug": "BBMUX",
    "series_id": "S000050632",
    "html_url": "https://fundwatcher.app/funds/BBMUX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.07953491453353168965992075394",
    "coverage_b_by_a": "0.07953491453353168965992075395",
    "shared_count": 200,
    "as_of": {
      "a": "2026-02-28",
      "b": "2026-03-31"
    },
    "a_top": [
      {
        "name": "JPMorgan Institutional Tax Free Money Market Fund, Class IM",
        "value": "698218261.12",
        "weight": "0.09703013",
        "shared": false
      },
      {
        "name": "CA CCEDEV 5 03/01/2036",
        "value": "70484945.92",
        "weight": "0.00979517",
        "shared": true
      },
      {
        "name": "OH BUCGEN 5 06/01/2055",
        "value": "44324327.52",
        "weight": "0.00615967",
        "shared": true
      },
      {
        "name": "CONNECTICUT ST HLTH & EDUCTNL FACS AUTH REVENUE",
        "value": "40000000.00",
        "weight": "0.00555873",
        "shared": false
      },
      {
        "name": "CALIFORNIA COMMUNITY VAR",
        "value": "39729882.14",
        "weight": "0.00552119",
        "shared": true
      },
      {
        "name": "County of Utah UT",
        "value": "35000000.00",
        "weight": "0.00486389",
        "shared": false
      },
      {
        "name": "BLACK BELT ENERGY GAS DISTRICT (MPT) 5.0% 03-01-55",
        "value": "34395637.05",
        "weight": "0.00477990",
        "shared": true
      },
      {
        "name": "PUERTO RICO SALES TAX FING COR REGD OID B/E 5.00000000",
        "value": "33977683.66",
        "weight": "0.00472182",
        "shared": true
      },
      {
        "name": "LONG ISLAND PWR-B",
        "value": "33935333.30",
        "weight": "0.00471593",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 5% 12/1/2052 MT",
        "value": "32053178.30",
        "weight": "0.00445437",
        "shared": true
      },
      {
        "name": "ILLINOIS ST FIN AUTH REVENUE",
        "value": "29335000.00",
        "weight": "0.00407663",
        "shared": false
      },
      {
        "name": "NORTH CAROLINA HSG FIN AGY HOMEOWNERSHIP REVENUE",
        "value": "28500000.00",
        "weight": "0.00396059",
        "shared": false
      },
      {
        "name": "CALIFORNIA COMMUNITY VAR",
        "value": "27701292.56",
        "weight": "0.00384960",
        "shared": true
      },
      {
        "name": "TX SANUTL 02/01/2055",
        "value": "27240532.20",
        "weight": "0.00378557",
        "shared": true
      },
      {
        "name": "TX DALAPT 11/01/2050",
        "value": "26820807.50",
        "weight": "0.00372724",
        "shared": true
      },
      {
        "name": "WY CAMUTL 3.62 07/15/2039",
        "value": "26526057.69",
        "weight": "0.00368628",
        "shared": true
      },
      {
        "name": "MONTGOMERY INDL 0% 10/1/2053 MT",
        "value": "26004823.30",
        "weight": "0.00361384",
        "shared": false
      },
      {
        "name": "MD HLTH & HGR EDU-B",
        "value": "25000000.00",
        "weight": "0.00347420",
        "shared": false
      },
      {
        "name": "FRANKLIN HOSP-VAR-REF",
        "value": "25000000.00",
        "weight": "0.00347420",
        "shared": false
      },
      {
        "name": "District of Columbia, Series 2025A",
        "value": "24845361.30",
        "weight": "0.00345271",
        "shared": false
      },
      {
        "name": "SALES TAX SECURTZTN-C",
        "value": "24671327.27",
        "weight": "0.00342853",
        "shared": false
      },
      {
        "name": "LOWER AL GAS DT-A-REF",
        "value": "24599010.74",
        "weight": "0.00341848",
        "shared": true
      },
      {
        "name": "Harris County Cultural Education Facilities Finance Corp., Series 2024F",
        "value": "24120000.00",
        "weight": "0.00335191",
        "shared": false
      },
      {
        "name": "ILLINOIS ST FIN AUTH REVENUE REGD V/R B/E 3.75000000",
        "value": "22300000.00",
        "weight": "0.00309899",
        "shared": false
      },
      {
        "name": "Salt River Project Agricultural Improvement & Power District, Series 2025, RB",
        "value": "21233260.00",
        "weight": "0.00295075",
        "shared": false
      },
      {
        "name": "TX TAREDU 11/15/2064",
        "value": "20632915.43",
        "weight": "0.00286732",
        "shared": true
      },
      {
        "name": "TX TXSUTL 01/01/2055",
        "value": "20265708.16",
        "weight": "0.00281629",
        "shared": true
      },
      {
        "name": "MAIN STR NAT GA 5% 5/1/2055 MT",
        "value": "20021644.43",
        "weight": "0.00278237",
        "shared": true
      },
      {
        "name": "OHIO ST UNIV REGD V/R B/E 2.35000000",
        "value": "20000000.00",
        "weight": "0.00277936",
        "shared": false
      },
      {
        "name": "State of Illinois, Series 2025D",
        "value": "19946073.60",
        "weight": "0.00277187",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 5% MT",
        "value": "19811120.09",
        "weight": "0.00275312",
        "shared": true
      },
      {
        "name": "Grossmont-Cuyamaca Community College District, Election of 2002, Series 2008C",
        "value": "19401966.42",
        "weight": "0.00269626",
        "shared": false
      },
      {
        "name": "NY TRNSPRTN DEV-AMT",
        "value": "19358624.05",
        "weight": "0.00269023",
        "shared": false
      },
      {
        "name": "Main Street Natural Gas, Inc., Series 2025B",
        "value": "19074951.00",
        "weight": "0.00265081",
        "shared": false
      },
      {
        "name": "TN TNSUTL 5 11/01/2034",
        "value": "18276101.25",
        "weight": "0.00253980",
        "shared": true
      },
      {
        "name": "NEW YORK MUNI WTR-AA2",
        "value": "18271570.82",
        "weight": "0.00253917",
        "shared": false
      },
      {
        "name": "MUNIBOND",
        "value": "18033234.14",
        "weight": "0.00250605",
        "shared": true
      },
      {
        "name": "NOVELIS CORP (MPT) 5.0% 06-01-55",
        "value": "17793718.10",
        "weight": "0.00247276",
        "shared": true
      },
      {
        "name": "OHIO WTR DEV AUTH-A",
        "value": "17775572.90",
        "weight": "0.00247024",
        "shared": false
      },
      {
        "name": "NEW YORK ST DORM AUTH ST PERSONAL INCOME TAX REVENUE",
        "value": "17229210.13",
        "weight": "0.00239431",
        "shared": false
      },
      {
        "name": "State of Washington, Various Purpose, Series 2026C",
        "value": "17078052.00",
        "weight": "0.00237331",
        "shared": false
      },
      {
        "name": "Bergen County Improvement Authority (The), Series 2025 A",
        "value": "17061652.20",
        "weight": "0.00237103",
        "shared": false
      },
      {
        "name": "RESTRUCTURED-SER A-2",
        "value": "17029549.40",
        "weight": "0.00236657",
        "shared": true
      },
      {
        "name": "TOBACCO SETTLEMENT FING CORP N TOBGEN 06/46 FIXED 5",
        "value": "16856328.85",
        "weight": "0.00234249",
        "shared": false
      },
      {
        "name": "State of Washington, Series 2026C",
        "value": "16717023.00",
        "weight": "0.00232313",
        "shared": false
      },
      {
        "name": "State of North Carolina, Series 2019",
        "value": "16496329.21",
        "weight": "0.00229246",
        "shared": false
      },
      {
        "name": "MUNIBOND",
        "value": "16452497.69",
        "weight": "0.00228637",
        "shared": true
      },
      {
        "name": "AL BBEUTL 5 07/01/2033",
        "value": "16263136.50",
        "weight": "0.00226006",
        "shared": true
      },
      {
        "name": "Harris County Cultural Education Facilities Finance Corp. (Texas Children's Hospital), Series 2015, VRD RB",
        "value": "16245000.00",
        "weight": "0.00225754",
        "shared": false
      },
      {
        "name": "STRN UT INDN CO 5% 4/1/2035",
        "value": "16237883.00",
        "weight": "0.00225655",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "MONEY MARKET FUND",
        "value": "545327651.99",
        "weight": "0.02722540",
        "shared": false
      },
      {
        "name": "SOUTHEAST ENERGY-E",
        "value": "125810856.47",
        "weight": "0.00628109",
        "shared": false
      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Refunding Series 2024B",
        "value": "77739118.85",
        "weight": "0.00388111",
        "shared": true
      },
      {
        "name": "California (State of) Community Choice Financing Authority (Clean Energy) (Green Bonds), Series 2024, RB",
        "value": "60407683.91",
        "weight": "0.00301584",
        "shared": false
      },
      {
        "name": "RESTRUCTURED-SER A-2",
        "value": "56416390.97",
        "weight": "0.00281658",
        "shared": true
      },
      {
        "name": "MIAMI-DADE CNTY FL AVIATION REVENUE",
        "value": "54821445.00",
        "weight": "0.00273695",
        "shared": false
      },
      {
        "name": "CHICAGO ILLIN 6% 4/1/2046",
        "value": "53594777.34",
        "weight": "0.00267571",
        "shared": false
      },
      {
        "name": "TN TNSUTL 5 12/01/2035",
        "value": "49781061.70",
        "weight": "0.00248531",
        "shared": false
      },
      {
        "name": "HARRIS CO CULTURAL-A",
        "value": "49155000.00",
        "weight": "0.00245406",
        "shared": false
      },
      {
        "name": "Southeast Energy Authority, Alabama, Revenue Bonds Cooperative District Energy Supply Series 2024C",
        "value": "46786941.80",
        "weight": "0.00233583",
        "shared": false
      },
      {
        "name": "TARRANT TX EDFC 5% 11/15/2051 MT",
        "value": "45149126.93",
        "weight": "0.00225406",
        "shared": false
      },
      {
        "name": "Main Street Energy, Inc., Series D",
        "value": "44787550.50",
        "weight": "0.00223601",
        "shared": true
      },
      {
        "name": "San Francisco City & County Airport Comm-San Francisco International Airport, Series C",
        "value": "44254876.00",
        "weight": "0.00220942",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 0% MT",
        "value": "43092735.00",
        "weight": "0.00215140",
        "shared": false
      },
      {
        "name": "LAS VEGAS VLY WTR DT",
        "value": "42478185.60",
        "weight": "0.00212072",
        "shared": false
      },
      {
        "name": "NY TRANS CORP 5% 7/1/46 @",
        "value": "42277936.74",
        "weight": "0.00211072",
        "shared": false
      },
      {
        "name": "Tender Option Bond Trust Receipts/Certificates",
        "value": "41802162.50",
        "weight": "0.00208697",
        "shared": false
      },
      {
        "name": "PORT PORT ARTHUR TEX NAV DIST MOTIVA ENTERPRISES-C",
        "value": "41365000.00",
        "weight": "0.00206514",
        "shared": false
      },
      {
        "name": "TX TXSUTL 01/01/2055",
        "value": "40261435.30",
        "weight": "0.00201005",
        "shared": true
      },
      {
        "name": "Southeast Alabama Gas Supply District (The), Series A",
        "value": "39946614.63",
        "weight": "0.00199433",
        "shared": false
      },
      {
        "name": "SOUTHEAST ALA PREP 5% MT",
        "value": "39722249.63",
        "weight": "0.00198313",
        "shared": true
      },
      {
        "name": "MAIN STR NAT GA(RCC) 5% 9/1/30MT 53",
        "value": "39672118.67",
        "weight": "0.00198062",
        "shared": true
      },
      {
        "name": "Black Belt Energy Gas District, Series D",
        "value": "38355827.76",
        "weight": "0.00191491",
        "shared": false
      },
      {
        "name": "NH NFADEV 11/20/2042",
        "value": "38159213.41",
        "weight": "0.00190509",
        "shared": false
      },
      {
        "name": "UNIV CA REGENTS-CF",
        "value": "38069171.22",
        "weight": "0.00190060",
        "shared": false
      },
      {
        "name": "KENTUCKY ST PROPERTY & BLDGS C REGD N/C B/E 5.00000000",
        "value": "37006459.40",
        "weight": "0.00184754",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 5% MT",
        "value": "36452844.08",
        "weight": "0.00181990",
        "shared": true
      },
      {
        "name": "MAIN STR NAT GA 5% 5/1/2055 MT",
        "value": "36182034.56",
        "weight": "0.00180638",
        "shared": true
      },
      {
        "name": "PATRIOTS EN GRP 5.25% MT",
        "value": "35974874.69",
        "weight": "0.00179604",
        "shared": true
      },
      {
        "name": "MUNIBOND",
        "value": "35913978.66",
        "weight": "0.00179300",
        "shared": false
      },
      {
        "name": "TN TNSUTL 5 11/01/2034",
        "value": "34946457.35",
        "weight": "0.00174470",
        "shared": true
      },
      {
        "name": "NE CENPWR 08/01/2055",
        "value": "34921508.42",
        "weight": "0.00174345",
        "shared": true
      },
      {
        "name": "Black Belt Energy Gas District, Series F",
        "value": "34847183.21",
        "weight": "0.00173974",
        "shared": false
      },
      {
        "name": "LOWER AL GAS DT-A-REF",
        "value": "34796160.71",
        "weight": "0.00173719",
        "shared": true
      },
      {
        "name": "TX TAREDU 11/15/2064",
        "value": "34650779.04",
        "weight": "0.00172994",
        "shared": true
      },
      {
        "name": "Southeast Energy Authority, Alabama, A Cooperative District Energy Supply Revenue Bonds Series 2024A",
        "value": "33951173.12",
        "weight": "0.00169501",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 4% 07/01/2052 MT",
        "value": "32539670.78",
        "weight": "0.00162454",
        "shared": false
      },
      {
        "name": "SOUTHEAST ENERGY-D",
        "value": "32427279.93",
        "weight": "0.00161893",
        "shared": true
      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Refunding Series 2025A",
        "value": "32356932.41",
        "weight": "0.00161542",
        "shared": false
      },
      {
        "name": "ILLINOIS ST REGD B/E 5.00000000",
        "value": "31995900.00",
        "weight": "0.00159739",
        "shared": false
      },
      {
        "name": "PREREF CALIFORNIA HSG FIN AGY LTD OBL REGD V/R B/E PREREFUNDED 06/01/26 @ 100 3.60000000",
        "value": "31799001.48",
        "weight": "0.00158756",
        "shared": false
      },
      {
        "name": "ARKANSAS DEV FIN AUTH ENVIRONM REGD V/R B/E AMT 4.00000000",
        "value": "30710500.88",
        "weight": "0.00153322",
        "shared": false
      },
      {
        "name": "NJ EDA REV 5.25% 9/1/26",
        "value": "30335037.00",
        "weight": "0.00151447",
        "shared": true
      },
      {
        "name": "Black Belt Energy Gas District",
        "value": "30244956.85",
        "weight": "0.00150998",
        "shared": true
      },
      {
        "name": "Tarrant County Cultural Education Facilities Finance Corp.",
        "value": "30000000.00",
        "weight": "0.00149775",
        "shared": false
      },
      {
        "name": "California Community Choice Financing Authority",
        "value": "29451561.86",
        "weight": "0.00147036",
        "shared": false
      },
      {
        "name": "California Community Choice Financing Authority, Series C",
        "value": "29085550.93",
        "weight": "0.00145209",
        "shared": false
      },
      {
        "name": "S E ENERGY-B-REV",
        "value": "29020666.26",
        "weight": "0.00144885",
        "shared": false
      },
      {
        "name": "NEW JERSEY ST HLTH CARE FACS F REGD N/C B/E 5.00000000",
        "value": "28419954.15",
        "weight": "0.00141886",
        "shared": false
      },
      {
        "name": "TX TRANSPRTN FIN-A",
        "value": "27933188.69",
        "weight": "0.00139456",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0002071691-26-009323",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1485894/000207169126009323/0002071691-26-009323-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001003715-26-001898",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1567101/000100371526001898/0001003715-26-001898-index.htm"
    }
  ]
}