{
  "page": "compare",
  "query": {
    "a": "IBMS",
    "b": "BSMU"
  },
  "retrieved_at": "2026-07-07T19:13:45+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": "Invesco BulletShares 2030 Municipal Bond ETF",
    "ticker": "BSMU",
    "slug": "BSMU",
    "series_id": "S000066148",
    "html_url": "https://fundwatcher.app/funds/BSMU/"
  },
  "overlap": {
    "coverage_a_by_b": "0.2097191356247348536595683357",
    "coverage_b_by_a": "0.2097191356247348536595683358",
    "shared_count": 433,
    "as_of": {
      "a": "2026-01-31",
      "b": "2026-02-28"
    },
    "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": true
      },
      {
        "name": "NEW YORK NY",
        "value": "1270271.11",
        "weight": "0.00497491",
        "shared": true
      },
      {
        "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": true
      },
      {
        "name": "State of New Jersey, Series 2020A",
        "value": "1135106.72",
        "weight": "0.00444555",
        "shared": true
      },
      {
        "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": true
      },
      {
        "name": "CALIFORNIA ST-REF",
        "value": "872738.89",
        "weight": "0.00341801",
        "shared": true
      },
      {
        "name": "LOS ANGELES-E-REF",
        "value": "777713.93",
        "weight": "0.00304585",
        "shared": false
      },
      {
        "name": "State of California",
        "value": "769785.20",
        "weight": "0.00301480",
        "shared": true
      },
      {
        "name": "State of California, Series 2019",
        "value": "766757.57",
        "weight": "0.00300294",
        "shared": true
      },
      {
        "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": true
      },
      {
        "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": true
      },
      {
        "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": true
      },
      {
        "name": "BEVERLY HILLS USD CAB",
        "value": "688610.24",
        "weight": "0.00269688",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST",
        "value": "680592.81",
        "weight": "0.00266548",
        "shared": true
      },
      {
        "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": true
      },
      {
        "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": true
      },
      {
        "name": "State of California",
        "value": "641885.38",
        "weight": "0.00251389",
        "shared": true
      },
      {
        "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": true
      },
      {
        "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": true
      },
      {
        "name": "STATE OF ILLINOIS",
        "value": "609242.87",
        "weight": "0.00238605",
        "shared": true
      },
      {
        "name": "CENTRL FL EXPRESSWAY AUTH SR LIEN REVENUE",
        "value": "595250.95",
        "weight": "0.00233125",
        "shared": true
      },
      {
        "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": true
      },
      {
        "name": "MASSACHUSETTS ST-REF",
        "value": "576305.96",
        "weight": "0.00225705",
        "shared": true
      },
      {
        "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": true
      },
      {
        "name": "MA ST-REF-A",
        "value": "560987.95",
        "weight": "0.00219706",
        "shared": true
      },
      {
        "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": true
      }
    ],
    "b_top": [
      {
        "name": "NY MTA TRANSP 5.25% 11/15/2055",
        "value": "1540331.25",
        "weight": "0.00637890",
        "shared": false
      },
      {
        "name": "STATE OF CALIFORNIA 4.0% 03-01-36",
        "value": "1397475.12",
        "weight": "0.00578730",
        "shared": false
      },
      {
        "name": "LOS ANGELES DEPT-C",
        "value": "1121108.52",
        "weight": "0.00464279",
        "shared": true
      },
      {
        "name": "STATE OF CALIFORNIA",
        "value": "1115396.53",
        "weight": "0.00461914",
        "shared": false
      },
      {
        "name": "Los Angeles Unified School District, Series 2020 RYQ, GO Bonds",
        "value": "1080914.45",
        "weight": "0.00447634",
        "shared": false
      },
      {
        "name": "TRIBOROUGH NY BRIDGE & TUNNEL REGD B/E 5.00000000",
        "value": "1074481.99",
        "weight": "0.00444970",
        "shared": false
      },
      {
        "name": "NY STATE UR D(NY STATE PIT) 5% 3/15/47",
        "value": "1051257.60",
        "weight": "0.00435352",
        "shared": false
      },
      {
        "name": "NY MTA TRANSP 5% 11/15/2050",
        "value": "1030406.34",
        "weight": "0.00426717",
        "shared": false
      },
      {
        "name": "NEW YORK ST DORM AUTH ST PERSONAL INCOME TAX REVENUE",
        "value": "971220.15",
        "weight": "0.00402207",
        "shared": true
      },
      {
        "name": "NYC NY 5% 8/1/2030",
        "value": "888276.40",
        "weight": "0.00367858",
        "shared": true
      },
      {
        "name": "NY STATE UR D 5% 3/15/2036",
        "value": "824835.76",
        "weight": "0.00341585",
        "shared": false
      },
      {
        "name": "MICHIGAN ST TRUNK LINE",
        "value": "803835.94",
        "weight": "0.00332889",
        "shared": true
      },
      {
        "name": "STATE OF NEW JERSEY 5.0% 06-15-45",
        "value": "763817.91",
        "weight": "0.00316316",
        "shared": false
      },
      {
        "name": "TX MATPOL 4.4 05/01/2030",
        "value": "713085.12",
        "weight": "0.00295307",
        "shared": false
      },
      {
        "name": "Salem-Keizer School District No. 24J, Series B",
        "value": "707075.04",
        "weight": "0.00292818",
        "shared": true
      },
      {
        "name": "OMAHA PUB PWR DT-A",
        "value": "684085.48",
        "weight": "0.00283297",
        "shared": false
      },
      {
        "name": "Alabama (State of) Public School & College Authority (Social Bonds), Series 2020 A, Ref. RB",
        "value": "674820.15",
        "weight": "0.00279460",
        "shared": false
      },
      {
        "name": "State of California",
        "value": "669612.06",
        "weight": "0.00277303",
        "shared": true
      },
      {
        "name": "MA ST 5% 11/1/2050",
        "value": "656668.17",
        "weight": "0.00271943",
        "shared": false
      },
      {
        "name": "California (State of), Series 2021, Ref. GO Bonds",
        "value": "653797.08",
        "weight": "0.00270754",
        "shared": true
      },
      {
        "name": "State of New Jersey",
        "value": "644122.92",
        "weight": "0.00266748",
        "shared": false
      },
      {
        "name": "State of Illinois, Series 2020",
        "value": "643846.17",
        "weight": "0.00266633",
        "shared": false
      },
      {
        "name": "MA ST 5% 7/1/2045",
        "value": "643254.94",
        "weight": "0.00266388",
        "shared": false
      },
      {
        "name": "Los Angeles (City of), CA Department of Water & Power, Series 2024 A, RB",
        "value": "639080.70",
        "weight": "0.00264659",
        "shared": true
      },
      {
        "name": "State of New Jersey, Series 2020A",
        "value": "613101.12",
        "weight": "0.00253901",
        "shared": true
      },
      {
        "name": "NYC TRANSITIONAL FIN",
        "value": "609054.92",
        "weight": "0.00252225",
        "shared": false
      },
      {
        "name": "SALES TAX SECURITIZTN",
        "value": "603430.63",
        "weight": "0.00249896",
        "shared": true
      },
      {
        "name": "WA ST 5% 8/1/2035",
        "value": "603425.96",
        "weight": "0.00249894",
        "shared": false
      },
      {
        "name": "UT CNTY UT HOSP 0% 5/15/2043",
        "value": "598857.85",
        "weight": "0.00248002",
        "shared": false
      },
      {
        "name": "NEW YORK NY-C-1-REF",
        "value": "580135.08",
        "weight": "0.00240249",
        "shared": false
      },
      {
        "name": "NEW YORK ST D 5% 3/15/2030",
        "value": "579388.47",
        "weight": "0.00239939",
        "shared": false
      },
      {
        "name": "Washington Metropolitan Area Transit Authority, Series 2020 A, RB",
        "value": "575031.72",
        "weight": "0.00238135",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST",
        "value": "561652.10",
        "weight": "0.00232594",
        "shared": true
      },
      {
        "name": "DALLAS TX DART 5% 12/1/47",
        "value": "559941.00",
        "weight": "0.00231886",
        "shared": false
      },
      {
        "name": "North Carolina (State of), Series 2020 A, GO Bonds",
        "value": "559734.45",
        "weight": "0.00231800",
        "shared": false
      },
      {
        "name": "HURST EULESS SD 5% 8/15/2030",
        "value": "558441.35",
        "weight": "0.00231265",
        "shared": false
      },
      {
        "name": "STATE OF HAWAII AIRPORTS SYSTEM REVENUE 5.0% 07-01-30",
        "value": "557909.90",
        "weight": "0.00231045",
        "shared": true
      },
      {
        "name": "NEW YORK-D-1",
        "value": "554563.88",
        "weight": "0.00229659",
        "shared": false
      },
      {
        "name": "NEW MEXICO ST FIN AUTH ST TRANSPRTN REVENUE",
        "value": "553532.91",
        "weight": "0.00229232",
        "shared": true
      },
      {
        "name": "State of Illinois, Series 2020",
        "value": "552387.94",
        "weight": "0.00228758",
        "shared": false
      },
      {
        "name": "CURATORS OF THE UNIV OF MISSOURI MO SYS FACS REVENUE",
        "value": "551690.71",
        "weight": "0.00228469",
        "shared": false
      },
      {
        "name": "NEW YORK ST DORM AUTH REVENUES NON ST SUPPORTED DEBT",
        "value": "551618.40",
        "weight": "0.00228439",
        "shared": true
      },
      {
        "name": "NEW YORK NY",
        "value": "541904.47",
        "weight": "0.00224416",
        "shared": true
      },
      {
        "name": "MA ST-REF-A",
        "value": "537229.47",
        "weight": "0.00222480",
        "shared": true
      },
      {
        "name": "SEGERSTROM CENTER FOR THE ARTS 5.0% 07-01-30",
        "value": "535383.02",
        "weight": "0.00221716",
        "shared": true
      },
      {
        "name": "IL ST TOLL HWY AUTH",
        "value": "529407.70",
        "weight": "0.00219241",
        "shared": true
      },
      {
        "name": "MASSACHUSETTS ST",
        "value": "522580.75",
        "weight": "0.00216414",
        "shared": false
      },
      {
        "name": "State of Michigan Trunk Line, Series 2020 B",
        "value": "517687.50",
        "weight": "0.00214387",
        "shared": false
      },
      {
        "name": "New York (City of), NY Transitional Finance Authority, Series 2020, RB",
        "value": "505706.16",
        "weight": "0.00209426",
        "shared": false
      },
      {
        "name": "State of New Mexico Severance Tax Permanent Fund, Series 2025, RB",
        "value": "505508.78",
        "weight": "0.00209344",
        "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": "0001657201-26-000382",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1657201/000165720126000382/0001657201-26-000382-index.htm"
    }
  ]
}