{
  "page": "compare",
  "query": {
    "a": "MEAR",
    "b": "FSMB"
  },
  "retrieved_at": "2026-07-07T14:47:26+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 Maturity Municipal Bond Active ETF",
    "ticker": "MEAR",
    "slug": "MEAR",
    "series_id": "S000047352",
    "html_url": "https://fundwatcher.app/funds/MEAR/"
  },
  "fund_b": {
    "name": "First Trust Short Duration Managed Municipal ETF",
    "ticker": "FSMB",
    "slug": "FSMB",
    "series_id": "S000063445",
    "html_url": "https://fundwatcher.app/funds/FSMB/"
  },
  "overlap": {
    "coverage_a_by_b": "0.05282354050666558022770393345",
    "coverage_b_by_a": "0.05282354050666558022770393346",
    "shared_count": 22,
    "as_of": {
      "a": "2026-01-31",
      "b": "2026-04-30"
    },
    "a_top": [
      {
        "name": "SAINT JAMES PARISH LA REVENUE PARISH OF ST JAMES LA",
        "value": "30500000.00",
        "weight": "0.02221239",
        "shared": false
      },
      {
        "name": "IOWA ST FIN AUTH MIDWESTERN EC IOWA FINANCE AUTHORITY",
        "value": "29600000.00",
        "weight": "0.02155694",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 5% MT",
        "value": "26450429.23",
        "weight": "0.01926319",
        "shared": false
      },
      {
        "name": "PEFA INC VAR",
        "value": "24425906.92",
        "weight": "0.01778878",
        "shared": true
      },
      {
        "name": "TX TMGUTL 01/01/2054",
        "value": "23739137.72",
        "weight": "0.01728862",
        "shared": true
      },
      {
        "name": "HOUSTON TX UTILITY SYS REVENUE CITY OF HOUSTON TX COMBINED UTILITY SYSTEM REVENUE",
        "value": "22700000.00",
        "weight": "0.01653184",
        "shared": false
      },
      {
        "name": "City of Burlington, Series 2007A",
        "value": "22000000.00",
        "weight": "0.01602205",
        "shared": false
      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Refunding Series 2025A",
        "value": "19153126.80",
        "weight": "0.01394874",
        "shared": true
      },
      {
        "name": "County of Allen, Series 2025C",
        "value": "19100000.00",
        "weight": "0.01391005",
        "shared": false
      },
      {
        "name": "CONNECTICUT ST HSG FIN AUTH HS CONNECTICUT HOUSING FINANCE AUTHORITY",
        "value": "17100000.00",
        "weight": "0.01245350",
        "shared": false
      },
      {
        "name": "Loudoun County Economic Development Authority, Series 2013A",
        "value": "16795000.00",
        "weight": "0.01223138",
        "shared": false
      },
      {
        "name": "NY ST HSG FIN AGY D-2",
        "value": "14075103.00",
        "weight": "0.01025055",
        "shared": false
      },
      {
        "name": "Indianapolis Local Public Improvement Bond Bank, Series 2025B-2",
        "value": "14062731.80",
        "weight": "0.01024154",
        "shared": false
      },
      {
        "name": "NM MUNI ENERGY ACQ AU",
        "value": "13655956.28",
        "weight": "0.00994529",
        "shared": true
      },
      {
        "name": "NY NY CITY HS(NEW YORK MHSG) 3.25% 2/1/30 MT 65",
        "value": "12912031.46",
        "weight": "0.00940351",
        "shared": false
      },
      {
        "name": "PENNSYLVANIA ST ECON DEV FING AUTH UPMC REVENUE",
        "value": "12902701.20",
        "weight": "0.00939672",
        "shared": false
      },
      {
        "name": "HARRIS ED-VAR-REF-C-1",
        "value": "12900000.00",
        "weight": "0.00939475",
        "shared": false
      },
      {
        "name": "SAN ANTONIO TX MUNI COMMERICAL PAPER",
        "value": "12306565.74",
        "weight": "0.00896256",
        "shared": false
      },
      {
        "name": "NYC WTR-ADJ-CC",
        "value": "12300000.00",
        "weight": "0.00895778",
        "shared": false
      },
      {
        "name": "State of Oregon Housing & Community Services Department, Series 2024R",
        "value": "12273618.00",
        "weight": "0.00893857",
        "shared": false
      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Series 2024A-1",
        "value": "11425007.78",
        "weight": "0.00832055",
        "shared": false
      },
      {
        "name": "TRIBOROUGH NY BRIDGE & TUNNEL REGD V/R B/E 3.48880000",
        "value": "11004037.00",
        "weight": "0.00801397",
        "shared": false
      },
      {
        "name": "SOUTHEAST ENERGY AUTH VAR",
        "value": "10933849.50",
        "weight": "0.00796285",
        "shared": false
      },
      {
        "name": "TARRANT TX EDFC 5% MT",
        "value": "10837988.00",
        "weight": "0.00789304",
        "shared": false
      },
      {
        "name": "Dallas Fort Worth International Airport, Series 2025A-1",
        "value": "10803202.00",
        "weight": "0.00786770",
        "shared": false
      },
      {
        "name": "UNIV OF COLORADO CO HOSP AUTH UCOMED 11/35 ADJUSTABLE VAR",
        "value": "10730000.00",
        "weight": "0.00781439",
        "shared": false
      },
      {
        "name": "UNIV OF TEXAS TX UNIV REVENUES",
        "value": "10683757.00",
        "weight": "0.00778071",
        "shared": false
      },
      {
        "name": "CHICAGO O HARE INTL 5.00%",
        "value": "10635821.00",
        "weight": "0.00774580",
        "shared": false
      },
      {
        "name": "WASTE MANAGEMENT INC (MPT) 3.875% 08-01-38",
        "value": "10530211.65",
        "weight": "0.00766889",
        "shared": true
      },
      {
        "name": "Louisiana Public Facilities Authority, Series 2009B-1",
        "value": "10500000.00",
        "weight": "0.00764689",
        "shared": false
      },
      {
        "name": "New York (City of), NY Municipal Water Finance Authority",
        "value": "10225000.00",
        "weight": "0.00744661",
        "shared": false
      },
      {
        "name": "Oregon State Lottery, Series 2025A",
        "value": "10189515.79",
        "weight": "0.00742077",
        "shared": false
      },
      {
        "name": "State of Colorado, Series B",
        "value": "10112482.00",
        "weight": "0.00736467",
        "shared": false
      },
      {
        "name": "NYC HSG DEV CORP-F-2",
        "value": "10100713.00",
        "weight": "0.00735610",
        "shared": false
      },
      {
        "name": "TEXAS ST-B",
        "value": "10100000.00",
        "weight": "0.00735558",
        "shared": false
      },
      {
        "name": "Board of Regents of the University of Texas System",
        "value": "10003687.00",
        "weight": "0.00728544",
        "shared": false
      },
      {
        "name": "DISTRICT OF COLUMBIA (WASHINGTON D MUNI COMMERICAL PAPER",
        "value": "10000535.00",
        "weight": "0.00728314",
        "shared": false
      },
      {
        "name": "Connecticut State Health & Educational Facilities Authority, Series O",
        "value": "10000000.00",
        "weight": "0.00728275",
        "shared": false
      },
      {
        "name": "Highlands County Health Facilities Authority, Series 2021D-2",
        "value": "10000000.00",
        "weight": "0.00728275",
        "shared": false
      },
      {
        "name": "Omaha Nebraska Airport Authority, Tender Option Bond Trust Receipts/Certificates, Series 2024-XG0593",
        "value": "10000000.00",
        "weight": "0.00728275",
        "shared": false
      },
      {
        "name": "Massachusetts Water Resources Authority",
        "value": "9999978.00",
        "weight": "0.00728273",
        "shared": false
      },
      {
        "name": "WISCONSIN ST HLTH & EDUCTNL FACS AUTH REVENUE",
        "value": "9665000.00",
        "weight": "0.00703878",
        "shared": false
      },
      {
        "name": "MOBILE PCR-VAR-AL PWR",
        "value": "9005679.00",
        "weight": "0.00655861",
        "shared": true
      },
      {
        "name": "City of Burlington, Series 2007B",
        "value": "9000000.00",
        "weight": "0.00655448",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 4% 3/1/2050",
        "value": "8568893.72",
        "weight": "0.00624051",
        "shared": true
      },
      {
        "name": "BLKR-LI MUNI-INS",
        "value": "8560236.71",
        "weight": "0.00623421",
        "shared": false
      },
      {
        "name": "State of New York Mortgage Agency Homeowner Mortgage, Series 247",
        "value": "8500000.00",
        "weight": "0.00619034",
        "shared": false
      },
      {
        "name": "County of Allen, Series 2025D",
        "value": "8500000.00",
        "weight": "0.00619034",
        "shared": false
      },
      {
        "name": "City of Chicago, Series 2025B",
        "value": "8110295.20",
        "weight": "0.00590653",
        "shared": false
      },
      {
        "name": "City of Austin TX",
        "value": "7761629.60",
        "weight": "0.00565260",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "Southeast Energy Authority, Alabama, Revenue Bonds Cooperative District Energy Supply Series 2024C",
        "value": "6372370.20",
        "weight": "0.01078087",
        "shared": false
      },
      {
        "name": "County of Utah UT",
        "value": "5000000.00",
        "weight": "0.00845907",
        "shared": false
      },
      {
        "name": "OH OHSDEV 11/01/2039",
        "value": "4805848.92",
        "weight": "0.00813060",
        "shared": false
      },
      {
        "name": "Wisconsin (State of) Public Finance Authority (Duke Energy Progress), Series 2022, Ref. RB",
        "value": "4281206.10",
        "weight": "0.00724301",
        "shared": false
      },
      {
        "name": "St. John the Baptist (Parish of), LA (Marathon Oil Corp.), Series 2017, Ref. RB",
        "value": "4026151.60",
        "weight": "0.00681150",
        "shared": false
      },
      {
        "name": "Main Street Energy, Inc., Series D",
        "value": "3895478.03",
        "weight": "0.00659043",
        "shared": false
      },
      {
        "name": "Palm Beach (County of), FL Health Facilities Authority (ACTS Retirement-Life Communities, Inc.), Series 2016, Ref. RB",
        "value": "3743929.08",
        "weight": "0.00633403",
        "shared": false
      },
      {
        "name": "NYC MUNI WTR FIN-BB",
        "value": "3500000.00",
        "weight": "0.00592135",
        "shared": false
      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Refunding Series 2025A",
        "value": "3481712.58",
        "weight": "0.00589041",
        "shared": true
      },
      {
        "name": "Black Belt Energy Gas District",
        "value": "3440432.23",
        "weight": "0.00582057",
        "shared": false
      },
      {
        "name": "BLACK BELT ENERGY GAS VAR",
        "value": "3420591.24",
        "weight": "0.00578701",
        "shared": false
      },
      {
        "name": "NM MUNI ENERGY ACQ AU",
        "value": "3381642.53",
        "weight": "0.00572111",
        "shared": true
      },
      {
        "name": "NEW YORK ST HSG FIN AGY AFFORDABLE HSG REVENUE",
        "value": "3143053.75",
        "weight": "0.00531746",
        "shared": false
      },
      {
        "name": "LOS ANGELES CA DEPT OF ARPTS A REGD B/E AMT 5.00000000",
        "value": "3142415.10",
        "weight": "0.00531638",
        "shared": false
      },
      {
        "name": "ALLEGHENY HOSP DEV-A",
        "value": "3092031.90",
        "weight": "0.00523114",
        "shared": false
      },
      {
        "name": "WHITING IN ENVRNMNTL FACS REVE REGD V/R B/E AMT 5.00000000",
        "value": "3075758.09",
        "weight": "0.00520361",
        "shared": false
      },
      {
        "name": "MD CMNTY DEV-D-2",
        "value": "3035471.70",
        "weight": "0.00513545",
        "shared": false
      },
      {
        "name": "UNITED AIRLINES INC 4.0% 07-15-29",
        "value": "3018532.20",
        "weight": "0.00510680",
        "shared": false
      },
      {
        "name": "WASTE MANAGEMENT INC (MPT) 3.45% 11-01-44",
        "value": "3000298.80",
        "weight": "0.00507595",
        "shared": true
      },
      {
        "name": "NEW YORK NY REGD V/R B/E 2.65000000",
        "value": "3000000.00",
        "weight": "0.00507544",
        "shared": false
      },
      {
        "name": "NORTH CAROLINA ST HSG FIN AGYM REGD V/R B/E 5.00000000",
        "value": "2906436.68",
        "weight": "0.00491715",
        "shared": false
      },
      {
        "name": "TX TMGUTL 01/01/2054",
        "value": "2845828.47",
        "weight": "0.00481461",
        "shared": true
      },
      {
        "name": "FARM N MEX PCR 0% 6/1/2040 MT",
        "value": "2815916.35",
        "weight": "0.00476401",
        "shared": false
      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Refunding Series 2024B",
        "value": "2731069.46",
        "weight": "0.00462046",
        "shared": false
      },
      {
        "name": "DFW ARPT 5% 11/1/2031 @",
        "value": "2725976.00",
        "weight": "0.00461185",
        "shared": false
      },
      {
        "name": "FLORIDA DEV FIN CORP HLTHCAREFACS REVENUE",
        "value": "2707992.75",
        "weight": "0.00458142",
        "shared": false
      },
      {
        "name": "City of Atlanta GA Department of Aviation",
        "value": "2697235.25",
        "weight": "0.00456322",
        "shared": false
      },
      {
        "name": "TN TNSUTL 05/01/2053",
        "value": "2573669.50",
        "weight": "0.00435417",
        "shared": true
      },
      {
        "name": "City of Philadelphia PA Airport Revenue",
        "value": "2566634.16",
        "weight": "0.00434227",
        "shared": false
      },
      {
        "name": "FAIRFAX C VA 5% 1/1/2045 MT",
        "value": "2555159.50",
        "weight": "0.00432286",
        "shared": false
      },
      {
        "name": "WASTE MANAGEMENT INC (MPT) 3.45% 10-01-41",
        "value": "2515175.25",
        "weight": "0.00425521",
        "shared": false
      },
      {
        "name": "NORTH BLOCK ASSOCIATES LLC HUD SECT 8 FHA 221(D)(4) (MPT) 3.4% 02-01-29",
        "value": "2511564.25",
        "weight": "0.00424910",
        "shared": false
      },
      {
        "name": "COUNTY OF TRIMBLE KY TRMENV 06/33 FIXED 3.75",
        "value": "2502465.75",
        "weight": "0.00423371",
        "shared": false
      },
      {
        "name": "ARKANSAS DEV FIN AUTH ENVIRONM REGD V/R B/E AMT 4.00000000",
        "value": "2495967.00",
        "weight": "0.00422271",
        "shared": false
      },
      {
        "name": "MOBILE PCR-VAR-AL PWR",
        "value": "2478086.00",
        "weight": "0.00419246",
        "shared": true
      },
      {
        "name": "MTRO WA DC ARPT 5% 10/1/2031 @",
        "value": "2455847.33",
        "weight": "0.00415484",
        "shared": false
      },
      {
        "name": "LEHIGH PA_IDA 3% 9/1/2029",
        "value": "2450784.00",
        "weight": "0.00414627",
        "shared": false
      },
      {
        "name": "INDIANAPOLIS IN LOCAL PUBLIC I REGD N/C B/E AMT 5.00000000",
        "value": "2438325.30",
        "weight": "0.00412519",
        "shared": false
      },
      {
        "name": "State of Illinois, Series C",
        "value": "2437731.08",
        "weight": "0.00412419",
        "shared": false
      },
      {
        "name": "NORTHWESTERN CORP 3.875% 07-01-28",
        "value": "2431955.57",
        "weight": "0.00411442",
        "shared": false
      },
      {
        "name": "HOUSTON-UTL SYS-B-REF",
        "value": "2424190.04",
        "weight": "0.00410128",
        "shared": false
      },
      {
        "name": "DE ST EDA 3.60% 1/1/31",
        "value": "2419505.95",
        "weight": "0.00409335",
        "shared": false
      },
      {
        "name": "PEFA INC VAR",
        "value": "2408907.05",
        "weight": "0.00407542",
        "shared": true
      },
      {
        "name": "TENNERGY CORP TN GAS REVENUE TENNERGY CORP/TN",
        "value": "2384879.46",
        "weight": "0.00403477",
        "shared": false
      },
      {
        "name": "NY TRANS CORP 5% 1/1/2032 @",
        "value": "2370014.59",
        "weight": "0.00400962",
        "shared": false
      },
      {
        "name": "SOUTHEAST ENERGY-F",
        "value": "2355034.34",
        "weight": "0.00398428",
        "shared": false
      },
      {
        "name": "SOUTHEAST ENERGY AUTH VAR",
        "value": "2342301.03",
        "weight": "0.00396274",
        "shared": false
      },
      {
        "name": "South Carolina Jobs-Economic Development Authority, Series 2023A",
        "value": "2313365.26",
        "weight": "0.00391378",
        "shared": false
      },
      {
        "name": "MTRO WA DC ARPT 5% 10/1/2035 @",
        "value": "2304524.08",
        "weight": "0.00389883",
        "shared": false
      },
      {
        "name": "NYC HSG DEV CORP-F-2A",
        "value": "2260772.92",
        "weight": "0.00382481",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0002071691-26-007309",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1524513/000207169126007309/0002071691-26-007309-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000940400-26-025147",
      "as_of": "2026-04-30",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1424212/000094040026025147/0000940400-26-025147-index.htm"
    }
  ]
}