{
  "page": "compare",
  "query": {
    "a": "SUB",
    "b": "BSMS"
  },
  "retrieved_at": "2026-07-07T19:16:02+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 Short-Term National Muni Bond ETF",
    "ticker": "SUB",
    "slug": "SUB",
    "series_id": "S000023507",
    "html_url": "https://fundwatcher.app/funds/SUB/"
  },
  "fund_b": {
    "name": "Invesco BulletShares 2028 Municipal Bond ETF",
    "ticker": "BSMS",
    "slug": "BSMS",
    "series_id": "S000062841",
    "html_url": "https://fundwatcher.app/funds/BSMS/"
  },
  "overlap": {
    "coverage_a_by_b": "0.06065807040563260163768412628",
    "coverage_b_by_a": "0.06065807040563260163768412631",
    "shared_count": 219,
    "as_of": {
      "a": "2026-02-28",
      "b": "2026-02-28"
    },
    "a_top": [
      {
        "name": "BLKR-LI MUNI-INS",
        "value": "108299651.03",
        "weight": "0.00993702",
        "shared": false
      },
      {
        "name": "STATE OF NEW JERSEY 5.0% 03-01-28",
        "value": "41740384.86",
        "weight": "0.00382988",
        "shared": true
      },
      {
        "name": "WA KINUTL 01/01/2042",
        "value": "39115000.00",
        "weight": "0.00358899",
        "shared": false
      },
      {
        "name": "STATE OF CALIFORNIA 5.0% 08-01-29",
        "value": "31460849.26",
        "weight": "0.00288669",
        "shared": false
      },
      {
        "name": "NEW YORK ST URBAN DEV CORP REVENUE",
        "value": "28844324.30",
        "weight": "0.00264661",
        "shared": true
      },
      {
        "name": "UNIV OF CALIFORNIA CA REVENUES REGD N/C B/E 5.00000000",
        "value": "28543197.50",
        "weight": "0.00261898",
        "shared": false
      },
      {
        "name": "NJ TPK AUTH-B",
        "value": "28388156.48",
        "weight": "0.00260475",
        "shared": false
      },
      {
        "name": "Pennsylvania Turnpike Commission, Series 2023B",
        "value": "27945000.00",
        "weight": "0.00256409",
        "shared": false
      },
      {
        "name": "State of California",
        "value": "27419560.16",
        "weight": "0.00251588",
        "shared": false
      },
      {
        "name": "STATE OF CALIFORNIA 5.0% 11-01-27",
        "value": "27321782.80",
        "weight": "0.00250691",
        "shared": false
      },
      {
        "name": "Empire State Development Corp., Series 2021A",
        "value": "25181425.33",
        "weight": "0.00231052",
        "shared": false
      },
      {
        "name": "DT OF COLUMBIA-C-2",
        "value": "25000000.00",
        "weight": "0.00229387",
        "shared": false
      },
      {
        "name": "Connecticut State Health & Educational Facilities Authority, Series 2017C-4",
        "value": "25000000.00",
        "weight": "0.00229387",
        "shared": false
      },
      {
        "name": "CONNECTICUT ST SPL TAX OBLIG REVENUE",
        "value": "24373832.63",
        "weight": "0.00223642",
        "shared": false
      },
      {
        "name": "NY TRANS FIN AUTH-D-1",
        "value": "24144848.30",
        "weight": "0.00221541",
        "shared": false
      },
      {
        "name": "NEW YORK B-1-REF",
        "value": "24112523.78",
        "weight": "0.00221244",
        "shared": false
      },
      {
        "name": "State of New Jersey, Series A",
        "value": "23718948.11",
        "weight": "0.00217633",
        "shared": false
      },
      {
        "name": "MA ST-REF-A",
        "value": "23543162.30",
        "weight": "0.00216020",
        "shared": false
      },
      {
        "name": "HOUSTON TX UTILITY SYS REVENUE CITY OF HOUSTON TX COMBINED UTILITY SYSTEM REVENUE",
        "value": "23100000.00",
        "weight": "0.00211954",
        "shared": false
      },
      {
        "name": "CT HLTH & EDUCTNL-B-1",
        "value": "23052920.88",
        "weight": "0.00211522",
        "shared": false
      },
      {
        "name": "KING CNTY WA SWR REVENUE COUNTY OF KING WA SEWER REVENUE",
        "value": "23030000.00",
        "weight": "0.00211312",
        "shared": false
      },
      {
        "name": "PENNSYLVANIA ST-1ST",
        "value": "22966634.60",
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        "shared": true
      },
      {
        "name": "NYC TRANSITIONAL-A-1",
        "value": "22922625.53",
        "weight": "0.00210326",
        "shared": false
      },
      {
        "name": "Ohio Water Development Authority, Series 2018",
        "value": "22791149.07",
        "weight": "0.00209120",
        "shared": true
      },
      {
        "name": "State of New Jersey, Series 2020A",
        "value": "22260292.61",
        "weight": "0.00204249",
        "shared": false
      },
      {
        "name": "Kentucky State Property & Building Commission, Series B",
        "value": "22260285.91",
        "weight": "0.00204249",
        "shared": false
      },
      {
        "name": "State of Georgia, Series 2022A",
        "value": "22004798.06",
        "weight": "0.00201905",
        "shared": false
      },
      {
        "name": "MINNESOTA ST PUBLIC FACS AUTH REVOLVING FUND REVENUE",
        "value": "21256115.15",
        "weight": "0.00195035",
        "shared": false
      },
      {
        "name": "City of Seattle, Series 2023B",
        "value": "20900000.00",
        "weight": "0.00191768",
        "shared": false
      },
      {
        "name": "WA ST-SER R-2023A-REF",
        "value": "20645695.62",
        "weight": "0.00189434",
        "shared": true
      },
      {
        "name": "COLORADO ST EDUC LOAN PROGRAM",
        "value": "20175410.00",
        "weight": "0.00185119",
        "shared": false
      },
      {
        "name": "NEW JERSEY ST EDUCTNL FACS AUTH REVENUE",
        "value": "20129113.85",
        "weight": "0.00184694",
        "shared": false
      },
      {
        "name": "E CO AWP JT PWRS-A-1",
        "value": "20027240.00",
        "weight": "0.00183760",
        "shared": false
      },
      {
        "name": "State of Minnesota, Series 2022A",
        "value": "20000000.00",
        "weight": "0.00183510",
        "shared": false
      },
      {
        "name": "State of New Jersey, Series 2020A",
        "value": "19862643.52",
        "weight": "0.00182249",
        "shared": true
      },
      {
        "name": "Pennsylvania Turnpike Commission, Series 2016B",
        "value": "19829072.43",
        "weight": "0.00181941",
        "shared": false
      },
      {
        "name": "Houston (City of), TX, Series 2016 A, Ref. GO Bonds",
        "value": "19742788.40",
        "weight": "0.00181150",
        "shared": false
      },
      {
        "name": "SOUTH CAROLINA ST PUBLIC SVC AUTH REVENUE",
        "value": "19700000.00",
        "weight": "0.00180757",
        "shared": false
      },
      {
        "name": "State of Washington, Series 2022C",
        "value": "19533649.88",
        "weight": "0.00179231",
        "shared": false
      },
      {
        "name": "UNIV OF CALIFORNIA CA REVENUES",
        "value": "19503920.31",
        "weight": "0.00178958",
        "shared": false
      },
      {
        "name": "State of Maryland, Series 2020C-1",
        "value": "19247266.84",
        "weight": "0.00176603",
        "shared": false
      },
      {
        "name": "New York State Dormitory Authority, State Personal Income Tax, Series 2021E",
        "value": "19201537.39",
        "weight": "0.00176184",
        "shared": true
      },
      {
        "name": "Virginia (Commonwealth of) College Building Authority (21st Century College and Equipment Programs), Series 2017, Ref. RB",
        "value": "18897071.53",
        "weight": "0.00173390",
        "shared": false
      },
      {
        "name": "State of Minnesota, Series 2023E",
        "value": "18627686.39",
        "weight": "0.00170918",
        "shared": true
      },
      {
        "name": "University of California, Series 2025, RB",
        "value": "18381183.92",
        "weight": "0.00168656",
        "shared": false
      },
      {
        "name": "State of Illinois, Series D",
        "value": "18310762.80",
        "weight": "0.00168010",
        "shared": false
      },
      {
        "name": "FT BEND TX ISD 4% 8/1/2054",
        "value": "18275213.14",
        "weight": "0.00167684",
        "shared": false
      },
      {
        "name": "Long Island Power Authority, Series 2025C",
        "value": "18250000.00",
        "weight": "0.00167453",
        "shared": false
      },
      {
        "name": "State of Georgia, Series 2023A",
        "value": "17881170.58",
        "weight": "0.00164068",
        "shared": false
      },
      {
        "name": "District of Columbia, Series 2020 B, Ref. RB",
        "value": "17754936.07",
        "weight": "0.00162910",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "TX WTR DEV BRD-B",
        "value": "1526343.72",
        "weight": "0.00554324",
        "shared": false
      },
      {
        "name": "TRIBOROUGH NY BRIDGE & TUNNEL TRIBOROUGH BRIDGE & TUNNEL AUTHORITY",
        "value": "1176458.24",
        "weight": "0.00427256",
        "shared": false
      },
      {
        "name": "N TX TOLLWAY AUTH REVENUE",
        "value": "1162494.45",
        "weight": "0.00422185",
        "shared": false
      },
      {
        "name": "Los Angeles Department of Water & Power, Series 2025A",
        "value": "1101546.18",
        "weight": "0.00400050",
        "shared": true
      },
      {
        "name": "Los Angeles Unified School District, Series 2018B-1",
        "value": "1095779.03",
        "weight": "0.00397956",
        "shared": false
      },
      {
        "name": "Montana (State of) Facility Finance Authority (Bozeman Deaconess Health Services Obligated Group), Series 2018, RB",
        "value": "1010560.70",
        "weight": "0.00367007",
        "shared": false
      },
      {
        "name": "State of Illinois, Series D",
        "value": "969285.53",
        "weight": "0.00352017",
        "shared": true
      },
      {
        "name": "Los Angeles Unified School District, Series 2018B-1",
        "value": "954859.50",
        "weight": "0.00346778",
        "shared": false
      },
      {
        "name": "GRAND PKWY TRANSPRTN",
        "value": "894304.82",
        "weight": "0.00324786",
        "shared": false
      },
      {
        "name": "Orlando (City of), FL, Series 2018 B, RB",
        "value": "837838.61",
        "weight": "0.00304279",
        "shared": false
      },
      {
        "name": "LONG ISLAND NY PWR AU",
        "value": "834990.23",
        "weight": "0.00303245",
        "shared": false
      },
      {
        "name": "State of New Jersey, Series 2020A",
        "value": "820381.72",
        "weight": "0.00297939",
        "shared": true
      },
      {
        "name": "ILL ST TOLL 5% 1/1/2042",
        "value": "800269.96",
        "weight": "0.00290635",
        "shared": false
      },
      {
        "name": "STATE OF NEW YORK SALES TAX REVENUE 5.0% 03-15-48",
        "value": "696402.83",
        "weight": "0.00252914",
        "shared": false
      },
      {
        "name": "STATE OF NEW JERSEY 5.0% 12-15-32",
        "value": "690405.03",
        "weight": "0.00250735",
        "shared": false
      },
      {
        "name": "NV CLA 5 05/01/2048",
        "value": "665149.10",
        "weight": "0.00241563",
        "shared": false
      },
      {
        "name": "NJ TRANSPRTN TRUST-A",
        "value": "662359.45",
        "weight": "0.00240550",
        "shared": false
      },
      {
        "name": "STATE OF OHIO",
        "value": "655106.25",
        "weight": "0.00237916",
        "shared": false
      },
      {
        "name": "State of California, Series 2018",
        "value": "645766.38",
        "weight": "0.00234524",
        "shared": false
      },
      {
        "name": "NY DORM AUTH-C-REF",
        "value": "632162.82",
        "weight": "0.00229583",
        "shared": false
      },
      {
        "name": "Connecticut (State of), Series 2018 C, GO Bonds",
        "value": "631022.55",
        "weight": "0.00229169",
        "shared": false
      },
      {
        "name": "PECOS BARSTOW TOYAH TX INDEP SCH DIST",
        "value": "628267.62",
        "weight": "0.00228169",
        "shared": false
      },
      {
        "name": "NYC WTR 5% 6/15/2040",
        "value": "625288.59",
        "weight": "0.00227087",
        "shared": false
      },
      {
        "name": "New York (City of), NY, Series 2020 B-1, Ref. GO Bonds",
        "value": "623734.78",
        "weight": "0.00226523",
        "shared": false
      },
      {
        "name": "State of California",
        "value": "618434.51",
        "weight": "0.00224598",
        "shared": false
      },
      {
        "name": "State of California, Series 2019",
        "value": "610980.28",
        "weight": "0.00221891",
        "shared": false
      },
      {
        "name": "Triborough Bridge & Tunnel Authority, Series 2018 B, Ref. RB",
        "value": "609913.60",
        "weight": "0.00221503",
        "shared": false
      },
      {
        "name": "Los Angeles (County of), CA Metropolitan Transportation Authority (Green Bonds), Series 2020, RB",
        "value": "606232.12",
        "weight": "0.00220166",
        "shared": false
      },
      {
        "name": "NY MTA TRANSP 4% 11/15/2035",
        "value": "601733.68",
        "weight": "0.00218532",
        "shared": false
      },
      {
        "name": "PENNSYLVANIA ST-1ST",
        "value": "596291.85",
        "weight": "0.00216556",
        "shared": false
      },
      {
        "name": "New York City Transitional Finance Authority Future Tax Secured Revenue",
        "value": "595231.06",
        "weight": "0.00216171",
        "shared": false
      },
      {
        "name": "State of California, Series 2022",
        "value": "588204.60",
        "weight": "0.00213619",
        "shared": false
      },
      {
        "name": "State of Illinois, Series 2020B",
        "value": "586120.54",
        "weight": "0.00212862",
        "shared": false
      },
      {
        "name": "PENNSYLVANIA TURNPIKE COMMISSI PASTRN 12/43 FIXED 5",
        "value": "584910.20",
        "weight": "0.00212423",
        "shared": false
      },
      {
        "name": "N TX TOLLWAY AUTH REVENUE",
        "value": "582751.29",
        "weight": "0.00211639",
        "shared": false
      },
      {
        "name": "UNIV OF CALIFORNIA-AZ",
        "value": "579829.33",
        "weight": "0.00210577",
        "shared": false
      },
      {
        "name": "NEW YORK-D-SUBSER D1",
        "value": "577586.86",
        "weight": "0.00209763",
        "shared": false
      },
      {
        "name": "Los Angeles Unified School District, Series 2018B-1",
        "value": "575240.91",
        "weight": "0.00208911",
        "shared": false
      },
      {
        "name": "New York (City of), NY, Subseries 2024 C-1, GO Bonds",
        "value": "572887.58",
        "weight": "0.00208056",
        "shared": false
      },
      {
        "name": "STATE OF CALIFORNIA 5.0% 11-01-28",
        "value": "561460.12",
        "weight": "0.00203906",
        "shared": true
      },
      {
        "name": "STATE OF NEW YORK ST AID WITHHLDG 5.0% 07-15-43",
        "value": "559425.80",
        "weight": "0.00203167",
        "shared": false
      },
      {
        "name": "NY DORM AUTH-C-REF",
        "value": "559297.55",
        "weight": "0.00203121",
        "shared": false
      },
      {
        "name": "NV LASGEN 5 07/01/2043",
        "value": "559076.69",
        "weight": "0.00203041",
        "shared": false
      },
      {
        "name": "NYC TRANS FIN-S-3",
        "value": "558663.84",
        "weight": "0.00202891",
        "shared": false
      },
      {
        "name": "New Jersey Transportation Trust Fund Authority",
        "value": "550707.99",
        "weight": "0.00200001",
        "shared": false
      },
      {
        "name": "State of Maryland, Series A2",
        "value": "545302.51",
        "weight": "0.00198038",
        "shared": true
      },
      {
        "name": "New York (City of), NY, Series 2020 C, Ref. GO Bonds",
        "value": "544928.78",
        "weight": "0.00197903",
        "shared": false
      },
      {
        "name": "Harris (County of), TX Toll Road Authority (The), Series 2022 A, Ref. RB",
        "value": "540104.12",
        "weight": "0.00196150",
        "shared": false
      },
      {
        "name": "Harris (County of), TX Toll Road Authority (The), Series 2018 A, Ref. RB",
        "value": "537286.48",
        "weight": "0.00195127",
        "shared": false
      },
      {
        "name": "STATE OF NEW YORK ST AID WITHHLDG 5.0% 07-15-35",
        "value": "534828.08",
        "weight": "0.00194234",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0002071691-26-008202",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1100663/000207169126008202/0002071691-26-008202-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001657201-26-000362",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1657201/000165720126000362/0001657201-26-000362-index.htm"
    }
  ]
}