{
  "page": "compare",
  "query": {
    "a": "IBMS",
    "b": "SCMB"
  },
  "retrieved_at": "2026-07-07T16:06:57+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": "Schwab Municipal Bond ETF",
    "ticker": "SCMB",
    "slug": "SCMB",
    "series_id": "S000077692",
    "html_url": "https://fundwatcher.app/funds/SCMB/"
  },
  "overlap": {
    "coverage_a_by_b": "0.02073245320388207072304338311",
    "coverage_b_by_a": "0.02073245320388207072304338309",
    "shared_count": 162,
    "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": true
      },
      {
        "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": false
      },
      {
        "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": 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": true
      },
      {
        "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": true
      },
      {
        "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": 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": true
      },
      {
        "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": true
      },
      {
        "name": "LOS ANGELES WTR-A-REF",
        "value": "679671.13",
        "weight": "0.00266187",
        "shared": true
      },
      {
        "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": true
      },
      {
        "name": "NEW YORK NY",
        "value": "673817.29",
        "weight": "0.00263895",
        "shared": true
      },
      {
        "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": 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": 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": 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": true
      },
      {
        "name": "PALM BEACH SCH-A-COPS",
        "value": "570816.64",
        "weight": "0.00223555",
        "shared": false
      },
      {
        "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": true
      },
      {
        "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": "NEW YORK NY",
        "value": "9475000.00",
        "weight": "0.00270216",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST",
        "value": "8832193.77",
        "weight": "0.00251884",
        "shared": false
      },
      {
        "name": "Gwinnett County School District, Series 2025, GO Bonds",
        "value": "8700274.40",
        "weight": "0.00248122",
        "shared": false
      },
      {
        "name": "NEW YORK-G-G-1",
        "value": "8435266.50",
        "weight": "0.00240564",
        "shared": false
      },
      {
        "name": "PENNSYLVANIA ST-1ST",
        "value": "8302973.44",
        "weight": "0.00236791",
        "shared": false
      },
      {
        "name": "NASHVILLE& DAVIDSON-A",
        "value": "8294449.22",
        "weight": "0.00236548",
        "shared": false
      },
      {
        "name": "NEW YORK NY",
        "value": "7886181.12",
        "weight": "0.00224905",
        "shared": false
      },
      {
        "name": "NYC TRANSITIONAL-F-1",
        "value": "7803980.10",
        "weight": "0.00222561",
        "shared": false
      },
      {
        "name": "State of California Department of Water Resources",
        "value": "7685379.80",
        "weight": "0.00219178",
        "shared": false
      },
      {
        "name": "State of Oregon Department of Transportation, Series 2024A",
        "value": "7408672.70",
        "weight": "0.00211287",
        "shared": false
      },
      {
        "name": "NYC TRANSITIONAL-S-1A",
        "value": "7164401.16",
        "weight": "0.00204320",
        "shared": false
      },
      {
        "name": "GWINNETT GA SD 5% 2/1/2032",
        "value": "7056916.65",
        "weight": "0.00201255",
        "shared": false
      },
      {
        "name": "LOS ANGELES UNIF SD-A",
        "value": "6939222.60",
        "weight": "0.00197899",
        "shared": false
      },
      {
        "name": "WASHING ST -C",
        "value": "6919700.39",
        "weight": "0.00197342",
        "shared": false
      },
      {
        "name": "Pennsylvania Turnpike Commission, Series 2023-1",
        "value": "6783788.40",
        "weight": "0.00193466",
        "shared": false
      },
      {
        "name": "NEW YORK CITY NY MUNI",
        "value": "6727639.38",
        "weight": "0.00191865",
        "shared": false
      },
      {
        "name": "State of California",
        "value": "6712127.54",
        "weight": "0.00191422",
        "shared": false
      },
      {
        "name": "Louisville & Jefferson County Metropolitan Sewer District, Series 2024A",
        "value": "6707833.20",
        "weight": "0.00191300",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST",
        "value": "6407439.81",
        "weight": "0.00182733",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST DEV FIN AGY R REGD N/C B/E 5.00000000",
        "value": "6305721.14",
        "weight": "0.00179832",
        "shared": false
      },
      {
        "name": "Washington (State of), Series 2018 C, GO Bonds",
        "value": "6126933.60",
        "weight": "0.00174733",
        "shared": false
      },
      {
        "name": "State of Maryland, Series 2023A",
        "value": "6051164.81",
        "weight": "0.00172572",
        "shared": false
      },
      {
        "name": "IN FIN REV 5% 2/1/2039",
        "value": "5980789.94",
        "weight": "0.00170565",
        "shared": false
      },
      {
        "name": "NYC NY 5% 8/1/2034",
        "value": "5951051.91",
        "weight": "0.00169717",
        "shared": false
      },
      {
        "name": "NORTHWEST TX INDEP SCH DIST REGD B/E PSF-GTD 5.00000000",
        "value": "5943491.92",
        "weight": "0.00169502",
        "shared": false
      },
      {
        "name": "STATE OF CALIFORNIA 5.0% 04-01-49",
        "value": "5943284.33",
        "weight": "0.00169496",
        "shared": false
      },
      {
        "name": "MTA HUDSON RAIL YRD-A",
        "value": "5915187.60",
        "weight": "0.00168694",
        "shared": false
      },
      {
        "name": "State of Connecticut 4.00% 01/15/2035",
        "value": "5831879.79",
        "weight": "0.00166319",
        "shared": false
      },
      {
        "name": "STATE OF CALIFORNIA 5.0% 09-01-31",
        "value": "5790890.04",
        "weight": "0.00165150",
        "shared": false
      },
      {
        "name": "UNIV CA REGENTS-CE",
        "value": "5762148.00",
        "weight": "0.00164330",
        "shared": false
      },
      {
        "name": "NY STATE UR D 5% 3/15/2036",
        "value": "5717835.33",
        "weight": "0.00163066",
        "shared": false
      },
      {
        "name": "NEW YORK ST DORM AUTH SALES TAX REVENUE",
        "value": "5653151.00",
        "weight": "0.00161221",
        "shared": false
      },
      {
        "name": "Highland Park Independent School District, Series 2024",
        "value": "5652881.50",
        "weight": "0.00161214",
        "shared": false
      },
      {
        "name": "PRIV CLGS & UNIVS AUTH GA",
        "value": "5649764.50",
        "weight": "0.00161125",
        "shared": false
      },
      {
        "name": "NYC WTR 5.25% 6/15/55",
        "value": "5648797.44",
        "weight": "0.00161097",
        "shared": false
      },
      {
        "name": "County of Wake, Series 2023A",
        "value": "5637036.50",
        "weight": "0.00160762",
        "shared": false
      },
      {
        "name": "ILLINOIS FN RV 5% 4/1/2034",
        "value": "5625975.00",
        "weight": "0.00160446",
        "shared": false
      },
      {
        "name": "NYC TRANSITIONAL-E-1",
        "value": "5593454.98",
        "weight": "0.00159519",
        "shared": false
      },
      {
        "name": "City of Alexandria",
        "value": "5562972.00",
        "weight": "0.00158650",
        "shared": false
      },
      {
        "name": "MA ST-A",
        "value": "5512595.16",
        "weight": "0.00157213",
        "shared": false
      },
      {
        "name": "State of California, Series 2024",
        "value": "5488290.50",
        "weight": "0.00156520",
        "shared": false
      },
      {
        "name": "State of Connecticut",
        "value": "5429632.50",
        "weight": "0.00154847",
        "shared": true
      },
      {
        "name": "UNIV OF CA REGENTS-BQ",
        "value": "5418403.20",
        "weight": "0.00154527",
        "shared": false
      },
      {
        "name": "WA ST-SER R-2023A-REF",
        "value": "5416578.04",
        "weight": "0.00154475",
        "shared": false
      },
      {
        "name": "OH TPK 5% 2/15/2046",
        "value": "5391978.28",
        "weight": "0.00153773",
        "shared": false
      },
      {
        "name": "Chicago Transit Authority, Series A",
        "value": "5346530.94",
        "weight": "0.00152477",
        "shared": false
      },
      {
        "name": "NEW YORK-D",
        "value": "5325888.75",
        "weight": "0.00151888",
        "shared": false
      },
      {
        "name": "GREAT LAKES WTR 5.25% 7/1/2047",
        "value": "5310881.06",
        "weight": "0.00151460",
        "shared": false
      },
      {
        "name": "WILLIAMSON CO-NTS",
        "value": "5302827.00",
        "weight": "0.00151231",
        "shared": false
      },
      {
        "name": "Texas Water Development Board, Series 2020",
        "value": "5301460.77",
        "weight": "0.00151192",
        "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": "0001410368-26-050059",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1454889/000141036826050059/0001410368-26-050059-index.htm"
    }
  ]
}