{
  "page": "compare",
  "query": {
    "a": "IBMS",
    "b": "TAXT"
  },
  "retrieved_at": "2026-07-07T18:49:43+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": "iShares iBonds Dec 2030 Term Muni Bond ETF",
    "ticker": "IBMS",
    "slug": "IBMS",
    "series_id": "S000085095",
    "html_url": "https://fundwatcher.app/funds/IBMS/"
  },
  "fund_b": {
    "name": "Northern Trust Tax-Exempt Bond ETF",
    "ticker": "TAXT",
    "slug": "TAXT",
    "series_id": "S000093505",
    "html_url": "https://fundwatcher.app/funds/TAXT/"
  },
  "overlap": {
    "coverage_a_by_b": "0.01652383564351212042035953775",
    "coverage_b_by_a": "0.01652383564351212042035953775",
    "shared_count": 31,
    "as_of": {
      "a": "2026-01-31",
      "b": "2026-03-31"
    },
    "a_top": [
      {
        "name": "BLKR-LI MUNI-INS",
        "value": "1725764.27",
        "weight": "0.00675881",
        "shared": false
      },
      {
        "name": "UNIV OF CALIFORNIA CA REVENUES REGD N/C B/E 5.00000000",
        "value": "1692671.09",
        "weight": "0.00662920",
        "shared": false
      },
      {
        "name": "CT HLTH & EDUCTNL-B-1",
        "value": "1607316.45",
        "weight": "0.00629492",
        "shared": false
      },
      {
        "name": "State of California",
        "value": "1437961.95",
        "weight": "0.00563166",
        "shared": false
      },
      {
        "name": "NEW YORK NY",
        "value": "1270271.11",
        "weight": "0.00497491",
        "shared": false
      },
      {
        "name": "MORRIS CNTY NJ",
        "value": "1249228.37",
        "weight": "0.00489250",
        "shared": false
      },
      {
        "name": "State of Hawaii Airports System Revenue",
        "value": "1197920.90",
        "weight": "0.00469156",
        "shared": false
      },
      {
        "name": "State of New Jersey, Series 2020A",
        "value": "1135106.72",
        "weight": "0.00444555",
        "shared": false
      },
      {
        "name": "ALABAMA ST PUBLIC SCH & CLG AUTH",
        "value": "1132943.58",
        "weight": "0.00443708",
        "shared": true
      },
      {
        "name": "TRIBOROUGH NY BRIDGE & TUNNEL AUTH PAYROLL MOBILITY TAX",
        "value": "926349.11",
        "weight": "0.00362797",
        "shared": false
      },
      {
        "name": "CALIFORNIA ST-REF",
        "value": "872738.89",
        "weight": "0.00341801",
        "shared": false
      },
      {
        "name": "LOS ANGELES-E-REF",
        "value": "777713.93",
        "weight": "0.00304585",
        "shared": false
      },
      {
        "name": "State of California",
        "value": "769785.20",
        "weight": "0.00301480",
        "shared": false
      },
      {
        "name": "State of California, Series 2019",
        "value": "766757.57",
        "weight": "0.00300294",
        "shared": false
      },
      {
        "name": "Duval County Public Schools, Series 2022A",
        "value": "741594.93",
        "weight": "0.00290439",
        "shared": true
      },
      {
        "name": "Rancho Santiago Community College District",
        "value": "727154.60",
        "weight": "0.00284784",
        "shared": false
      },
      {
        "name": "Metropolitan Transit Authority of Harris County Sales & Use Tax",
        "value": "723279.31",
        "weight": "0.00283266",
        "shared": false
      },
      {
        "name": "State of California, Series 2018, GO Bonds",
        "value": "723197.63",
        "weight": "0.00283234",
        "shared": false
      },
      {
        "name": "PRV COL and UNV GA 5% 9/1/2030",
        "value": "718252.01",
        "weight": "0.00281297",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST CLEAN WTR TRUST",
        "value": "709569.28",
        "weight": "0.00277897",
        "shared": false
      },
      {
        "name": "Honolulu (City & County of), HI (Honolulu Rail Transit), Series 2021, GO Bonds",
        "value": "703031.36",
        "weight": "0.00275336",
        "shared": false
      },
      {
        "name": "NYC TRANS FIN AUTH",
        "value": "692353.48",
        "weight": "0.00271154",
        "shared": false
      },
      {
        "name": "State of Maryland, Series 2020A-2",
        "value": "690389.28",
        "weight": "0.00270385",
        "shared": false
      },
      {
        "name": "CONROE TX INDEP SCH DIST",
        "value": "690038.25",
        "weight": "0.00270248",
        "shared": false
      },
      {
        "name": "BEVERLY HILLS USD CAB",
        "value": "688610.24",
        "weight": "0.00269688",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST",
        "value": "680592.81",
        "weight": "0.00266548",
        "shared": false
      },
      {
        "name": "LOS ANGELES WTR-A-REF",
        "value": "679671.13",
        "weight": "0.00266187",
        "shared": false
      },
      {
        "name": "MET TRANSPRTN AUTH NY REVENUE",
        "value": "677057.19",
        "weight": "0.00265164",
        "shared": false
      },
      {
        "name": "IL ST TOLL HWY AUTH",
        "value": "675696.38",
        "weight": "0.00264631",
        "shared": false
      },
      {
        "name": "NEW YORK NY",
        "value": "673817.29",
        "weight": "0.00263895",
        "shared": false
      },
      {
        "name": "State of Connecticut, Series 2021A",
        "value": "658447.56",
        "weight": "0.00257875",
        "shared": false
      },
      {
        "name": "State of California",
        "value": "641885.38",
        "weight": "0.00251389",
        "shared": false
      },
      {
        "name": "MANHATTAN BEACH CA UNIF SCH DIST",
        "value": "640964.32",
        "weight": "0.00251028",
        "shared": false
      },
      {
        "name": "State of Illinois, Series 2024B",
        "value": "640408.45",
        "weight": "0.00250811",
        "shared": false
      },
      {
        "name": "CORPUS CHRISTI TX",
        "value": "640092.73",
        "weight": "0.00250687",
        "shared": false
      },
      {
        "name": "IL ST TOLL HWY AUTH",
        "value": "611065.93",
        "weight": "0.00239319",
        "shared": false
      },
      {
        "name": "STATE OF ILLINOIS",
        "value": "609242.87",
        "weight": "0.00238605",
        "shared": false
      },
      {
        "name": "CENTRL FL EXPRESSWAY AUTH SR LIEN REVENUE",
        "value": "595250.95",
        "weight": "0.00233125",
        "shared": false
      },
      {
        "name": "DEL VALLE TX INDEP SCH DIST",
        "value": "592831.36",
        "weight": "0.00232177",
        "shared": false
      },
      {
        "name": "Hillsborough County School Board, Series 2018",
        "value": "590731.68",
        "weight": "0.00231355",
        "shared": false
      },
      {
        "name": "UTAH ST BLDG OWNERSHIP AUTH LEASE REVENUE",
        "value": "581475.77",
        "weight": "0.00227730",
        "shared": false
      },
      {
        "name": "NEW YORK ST DORM AUTH REVENUES NON ST SUPPORTED DEBT",
        "value": "581005.82",
        "weight": "0.00227546",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST-REF",
        "value": "576305.96",
        "weight": "0.00225705",
        "shared": false
      },
      {
        "name": "NY DORM AUTH-C-REF",
        "value": "575542.29",
        "weight": "0.00225406",
        "shared": false
      },
      {
        "name": "PALM BEACH SCH-A-COPS",
        "value": "570816.64",
        "weight": "0.00223555",
        "shared": true
      },
      {
        "name": "NEW YORK ST DORM AUTH REVENUES NON ST SUPPORTED DEBT",
        "value": "570687.77",
        "weight": "0.00223505",
        "shared": false
      },
      {
        "name": "MA ST-REF-A",
        "value": "560987.95",
        "weight": "0.00219706",
        "shared": false
      },
      {
        "name": "E-470 Public Highway Authority, Series B",
        "value": "558340.84",
        "weight": "0.00218669",
        "shared": false
      },
      {
        "name": "MET NASHVILLE TN ARPT AUTH ARPT REVENUE",
        "value": "556308.00",
        "weight": "0.00217873",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST SCH BLDG AUTH SALES TAX REVENUE",
        "value": "555539.90",
        "weight": "0.00217572",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "Water & Sewer System 2nd Resolution RB Fiscal 2023 Series CC",
        "value": "350000.00",
        "weight": "0.00679857",
        "shared": false
      },
      {
        "name": "NYC GO FY21-2 Q=SELF V8+",
        "value": "300000.00",
        "weight": "0.00582735",
        "shared": false
      },
      {
        "name": "UNIV OF CALIFORNIA CA REVENUES UNVHGR 05/52 FIXED 5",
        "value": "288317.62",
        "weight": "0.00560042",
        "shared": false
      },
      {
        "name": "NY ST URBAN DEV-C-3",
        "value": "279644.39",
        "weight": "0.00543195",
        "shared": false
      },
      {
        "name": "NY ST TWY AUTH-A",
        "value": "274235.81",
        "weight": "0.00532689",
        "shared": false
      },
      {
        "name": "SAN FRANCISCO PUB-D",
        "value": "204658.29",
        "weight": "0.00397538",
        "shared": false
      },
      {
        "name": "CA ST UNIV TRUSTEES-A",
        "value": "200317.07",
        "weight": "0.00389106",
        "shared": false
      },
      {
        "name": "County of Clark, Series 2023",
        "value": "183480.15",
        "weight": "0.00356401",
        "shared": false
      },
      {
        "name": "SOUTHEAST ENERGY-E",
        "value": "175076.25",
        "weight": "0.00340077",
        "shared": false
      },
      {
        "name": "Monroe County Industrial Development Corp. (University of Rochester), Series 2020 A, RB",
        "value": "160419.96",
        "weight": "0.00311608",
        "shared": false
      },
      {
        "name": "Indianapolis Local Public Improvement Bond Bank, Series 2019A",
        "value": "158269.28",
        "weight": "0.00307430",
        "shared": false
      },
      {
        "name": "Metropolitan Atlanta Rapid Transit Authority, Series 2017C",
        "value": "158168.50",
        "weight": "0.00307234",
        "shared": false
      },
      {
        "name": "City of New York, Series 2026G",
        "value": "156139.29",
        "weight": "0.00303293",
        "shared": false
      },
      {
        "name": "Desert Community College District, Series 2024",
        "value": "152391.63",
        "weight": "0.00296013",
        "shared": false
      },
      {
        "name": "VIRGINIA ST PUBLIC BLDG AUTH PUBLIC FACS REVENUE",
        "value": "151640.38",
        "weight": "0.00294554",
        "shared": true
      },
      {
        "name": "WV ST 5% 6/1/2037",
        "value": "150056.41",
        "weight": "0.00291477",
        "shared": false
      },
      {
        "name": "South Dakota Conservancy District, Series 2025A",
        "value": "144430.86",
        "weight": "0.00280550",
        "shared": false
      },
      {
        "name": "CHICAGO IL BRD OF EDU DEDICATED CAPITAL IMPT TAX",
        "value": "142046.19",
        "weight": "0.00275917",
        "shared": false
      },
      {
        "name": "NYC NY 5.25% 4/1/2047",
        "value": "141384.53",
        "weight": "0.00274632",
        "shared": false
      },
      {
        "name": "State of Florida, Series 2025D",
        "value": "138128.81",
        "weight": "0.00268308",
        "shared": false
      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Refunding Series 2024B",
        "value": "137610.10",
        "weight": "0.00267301",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 5% MT",
        "value": "137187.31",
        "weight": "0.00266479",
        "shared": false
      },
      {
        "name": "King County Public Hospital District No. 1, Series 2016",
        "value": "136733.52",
        "weight": "0.00265598",
        "shared": false
      },
      {
        "name": "TEXAS ST MUNI GAS ACQUISITION& SPLY CORP III GAS SPLY REVEN",
        "value": "136402.75",
        "weight": "0.00264955",
        "shared": false
      },
      {
        "name": "LAMAR TX CONSOL INDEP SCH DIST LAMSCD 02/39 FIXED 5",
        "value": "135185.15",
        "weight": "0.00262590",
        "shared": false
      },
      {
        "name": "Chicago O'Hare International Airport, Series 2024B",
        "value": "128966.20",
        "weight": "0.00250510",
        "shared": false
      },
      {
        "name": "District of Columbia, Series 2020, RB",
        "value": "128830.28",
        "weight": "0.00250246",
        "shared": false
      },
      {
        "name": "California Community Choice Financing Authority, Series F",
        "value": "123604.88",
        "weight": "0.00240096",
        "shared": false
      },
      {
        "name": "STHRN CA PUB PWR AUTH",
        "value": "122450.95",
        "weight": "0.00237855",
        "shared": false
      },
      {
        "name": "ENERGY NW/WPPS 5% 7/1/2028",
        "value": "120753.53",
        "weight": "0.00234558",
        "shared": false
      },
      {
        "name": "Virginia (Commonwealth of) College Building Authority (21st Centuity College and Equipment), Series 2021, RB",
        "value": "119700.88",
        "weight": "0.00232513",
        "shared": false
      },
      {
        "name": "JEA FL ELEC SYS REVENUE JEA ELECTRIC SYSTEM REVENUE",
        "value": "117358.98",
        "weight": "0.00227964",
        "shared": false
      },
      {
        "name": "City of Austin Water & Wastewater System, Series 2022",
        "value": "116757.19",
        "weight": "0.00226795",
        "shared": false
      },
      {
        "name": "County of Clark, Series 2016B",
        "value": "116711.09",
        "weight": "0.00226705",
        "shared": false
      },
      {
        "name": "BLACK BELT ENERGY GAS VAR",
        "value": "116045.83",
        "weight": "0.00225413",
        "shared": false
      },
      {
        "name": "MA ST DEV FIN AGY-A-2",
        "value": "114510.23",
        "weight": "0.00222430",
        "shared": false
      },
      {
        "name": "City of Chandler, Series 2026",
        "value": "113440.69",
        "weight": "0.00220353",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 5% MT",
        "value": "111484.65",
        "weight": "0.00216553",
        "shared": false
      },
      {
        "name": "Pennsylvania Turnpike Commission, Series 2017",
        "value": "110556.72",
        "weight": "0.00214751",
        "shared": false
      },
      {
        "name": "State of Ohio, Series 2025C",
        "value": "109897.46",
        "weight": "0.00213470",
        "shared": false
      },
      {
        "name": "ALDINE ISD-A",
        "value": "109747.55",
        "weight": "0.00213179",
        "shared": false
      },
      {
        "name": "City of Memphis, Series 2018",
        "value": "108887.31",
        "weight": "0.00211508",
        "shared": false
      },
      {
        "name": "HARRIS ED FACS-REF",
        "value": "108585.44",
        "weight": "0.00210922",
        "shared": false
      },
      {
        "name": "City of San Antonio, Series 2023C",
        "value": "108312.15",
        "weight": "0.00210391",
        "shared": false
      },
      {
        "name": "NORTHWEST TEX I 5% 2/15/2037",
        "value": "108209.28",
        "weight": "0.00210191",
        "shared": false
      },
      {
        "name": "UNIV TX 5% 8/15/49",
        "value": "108054.64",
        "weight": "0.00209891",
        "shared": false
      },
      {
        "name": "SOUTHEST ENERGY (BP) 5.25% 11/1/35 MT",
        "value": "107940.19",
        "weight": "0.00209668",
        "shared": false
      },
      {
        "name": "LOS ANGELES DEPT WTR",
        "value": "107888.39",
        "weight": "0.00209568",
        "shared": false
      },
      {
        "name": "MA ST 5% 9/1/2049",
        "value": "107788.31",
        "weight": "0.00209373",
        "shared": false
      },
      {
        "name": "S E ENERGY COOP DT",
        "value": "107540.47",
        "weight": "0.00208892",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001410368-26-031746",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1100663/000141036826031746/0001410368-26-031746-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0002071691-26-012340",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/916620/000207169126012340/0002071691-26-012340-index.htm"
    }
  ]
}