{
  "page": "compare",
  "query": {
    "a": "FSMB",
    "b": "FMB"
  },
  "retrieved_at": "2026-07-07T15:38:11+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": "First Trust Short Duration Managed Municipal ETF",
    "ticker": "FSMB",
    "slug": "FSMB",
    "series_id": "S000063445",
    "html_url": "https://fundwatcher.app/funds/FSMB/"
  },
  "fund_b": {
    "name": "First Trust Managed Municipal ETF",
    "ticker": "FMB",
    "slug": "FMB",
    "series_id": "S000044373",
    "html_url": "https://fundwatcher.app/funds/FMB/"
  },
  "overlap": {
    "coverage_a_by_b": "0.07042436526353714364545923939",
    "coverage_b_by_a": "0.07042436526353714364545923939",
    "shared_count": 71,
    "as_of": {
      "a": "2026-04-30",
      "b": "2026-04-30"
    },
    "a_top": [
      {
        "name": "Southeast Energy Authority, Alabama, Revenue Bonds Cooperative District Energy Supply Series 2024C",
        "value": "6372370.20",
        "weight": "0.01078087",
        "shared": true
      },
      {
        "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": true
      },
      {
        "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": true
      },
      {
        "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": false
      },
      {
        "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": true
      },
      {
        "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": true
      },
      {
        "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": true
      },
      {
        "name": "WASTE MANAGEMENT INC (MPT) 3.45% 11-01-44",
        "value": "3000298.80",
        "weight": "0.00507595",
        "shared": false
      },
      {
        "name": "NEW YORK NY REGD V/R B/E 2.65000000",
        "value": "3000000.00",
        "weight": "0.00507544",
        "shared": true
      },
      {
        "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": true
      },
      {
        "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": true
      },
      {
        "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": true
      },
      {
        "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": false
      },
      {
        "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": true
      },
      {
        "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": false
      },
      {
        "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": true
      },
      {
        "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
      }
    ],
    "b_top": [
      {
        "name": "County of Meade, Series B-1",
        "value": "16200000.00",
        "weight": "0.00810588",
        "shared": true
      },
      {
        "name": "MAIN STR NAT GA 4% 9/1/2052",
        "value": "14732403.10",
        "weight": "0.00737155",
        "shared": true
      },
      {
        "name": "MUNIBOND",
        "value": "10118334.99",
        "weight": "0.00506284",
        "shared": true
      },
      {
        "name": "New York City Transitional Finance Authority Future Tax Secured Revenue",
        "value": "10085019.00",
        "weight": "0.00504617",
        "shared": false
      },
      {
        "name": "TEXAS ST MUNI GAS ACQUISITION& TEXAS MUNICIPAL GAS ACQUISITION & SUPPLY CORP IV",
        "value": "9299259.84",
        "weight": "0.00465301",
        "shared": false
      },
      {
        "name": "S E ENERGY COOP DT",
        "value": "9240992.40",
        "weight": "0.00462385",
        "shared": false
      },
      {
        "name": "City of Atlanta GA Airport Passenger Facility Charge",
        "value": "8962437.81",
        "weight": "0.00448447",
        "shared": false
      },
      {
        "name": "NY DORM AUTH-E",
        "value": "8339181.60",
        "weight": "0.00417262",
        "shared": false
      },
      {
        "name": "SOUTHEAST ENERGY AUTH VAR",
        "value": "8266349.63",
        "weight": "0.00413618",
        "shared": true
      },
      {
        "name": "PUERTO RICO SALES TAX FING COR PUERTO RICO SALES TAX FINANCING CORP SALES TAX REV",
        "value": "8258472.36",
        "weight": "0.00413224",
        "shared": false
      },
      {
        "name": "MUNIBOND",
        "value": "7731491.23",
        "weight": "0.00386855",
        "shared": true
      },
      {
        "name": "INTERMOUNTAIN HEALTHCARE OBLIGATED GROUP 4.0% 01-01-40",
        "value": "7481933.75",
        "weight": "0.00374368",
        "shared": false
      },
      {
        "name": "San Francisco City & County Airport Comm-San Francisco International Airport",
        "value": "7254653.00",
        "weight": "0.00362996",
        "shared": false
      },
      {
        "name": "Tarrant County Cultural Education Facilities Finance Corporation, Texas, Hospital Revenue Bonds, Cook Childrens Medical Center, Series 2025",
        "value": "6843813.60",
        "weight": "0.00342439",
        "shared": false
      },
      {
        "name": "E BATON ROUGE PARISH LA SWR CO EASUTL 02/45 FIXED 4",
        "value": "6370418.60",
        "weight": "0.00318752",
        "shared": false
      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Series 2019C-1",
        "value": "6363769.23",
        "weight": "0.00318420",
        "shared": true
      },
      {
        "name": "NYC NY 5% 3/1/42",
        "value": "6329932.77",
        "weight": "0.00316727",
        "shared": false
      },
      {
        "name": "PENNSYLVANIA ST ECON DEV FING REGD B/E AMT 5.25000000",
        "value": "6309474.19",
        "weight": "0.00315703",
        "shared": false
      },
      {
        "name": "New York (City of), NY, Subseries 2022 B-1, GO Bonds",
        "value": "6289034.27",
        "weight": "0.00314680",
        "shared": false
      },
      {
        "name": "Walker County Economic & Industrial Development Authority",
        "value": "6000000.00",
        "weight": "0.00300218",
        "shared": false
      },
      {
        "name": "CALIFORNIA ST POLL CONTROL FIN REGD B/E AMT 5.00000000",
        "value": "5997002.91",
        "weight": "0.00300068",
        "shared": false
      },
      {
        "name": "North Texas Tollway Authority, First Tier, Series 2020A",
        "value": "5975398.17",
        "weight": "0.00298987",
        "shared": false
      },
      {
        "name": "Isle Wight (County of), VA Economic Development Authority (Riverside Health System), Series 2023, RB",
        "value": "5811149.82",
        "weight": "0.00290769",
        "shared": false
      },
      {
        "name": "State of Connecticut, Series 2020 A",
        "value": "5783104.50",
        "weight": "0.00289365",
        "shared": false
      },
      {
        "name": "LOWER COLORADO RIVER TX AUTH TRANSMISSION CONTRACT REVENUE",
        "value": "5776533.67",
        "weight": "0.00289036",
        "shared": false
      },
      {
        "name": "CHATTANOOGA TN HLTH EDUCTNL &HSG FAC BRD REVENUE",
        "value": "5709468.36",
        "weight": "0.00285681",
        "shared": false
      },
      {
        "name": "SOUTH CAROLINA ST JOBS-ECON DEV AUTH HLTH FACS REVENUE",
        "value": "5677981.58",
        "weight": "0.00284105",
        "shared": false
      },
      {
        "name": "NEW YORK NY",
        "value": "5605586.57",
        "weight": "0.00280483",
        "shared": false
      },
      {
        "name": "BLACK BELT ENERGY GAS VAR",
        "value": "5554540.45",
        "weight": "0.00277929",
        "shared": true
      },
      {
        "name": "New Hampshire Business Finance Authority",
        "value": "5502809.95",
        "weight": "0.00275340",
        "shared": true
      },
      {
        "name": "WA ST 5% 8/1/2041",
        "value": "5468201.50",
        "weight": "0.00273609",
        "shared": false
      },
      {
        "name": "SOUTHEAST ENERGY-D",
        "value": "5388940.00",
        "weight": "0.00269643",
        "shared": false
      },
      {
        "name": "IPS Multi-School Building Corp",
        "value": "5344679.00",
        "weight": "0.00267428",
        "shared": false
      },
      {
        "name": "PORT OF SEATTLE WA REVENUE REGD B/E AMT 5.00000000",
        "value": "5291245.50",
        "weight": "0.00264754",
        "shared": false
      },
      {
        "name": "TX WTR DEV BRD -REV",
        "value": "5281452.50",
        "weight": "0.00264264",
        "shared": false
      },
      {
        "name": "TX PRIVATE ACTIVITY-A",
        "value": "5259133.50",
        "weight": "0.00263148",
        "shared": false
      },
      {
        "name": "DENVER CITY & CNTY CO ARPT REVENUE",
        "value": "5223449.00",
        "weight": "0.00261362",
        "shared": true
      },
      {
        "name": "DELAWARE VLY REG-B",
        "value": "5200000.00",
        "weight": "0.00260189",
        "shared": false
      },
      {
        "name": "DENVER CITY & CNTY CO ARPT REV REGD B/E AMT 5.00000000",
        "value": "5195826.50",
        "weight": "0.00259980",
        "shared": true
      },
      {
        "name": "Tri-County Metropolitan Transportation District of Oregon, Series 2018, RB",
        "value": "5124249.90",
        "weight": "0.00256399",
        "shared": false
      },
      {
        "name": "MISSISSIPPI ST HOSP EQUIPMENT & FACS AUTH",
        "value": "5007908.00",
        "weight": "0.00250577",
        "shared": false
      },
      {
        "name": "RESTRUCTURED-SER A1",
        "value": "4997113.00",
        "weight": "0.00250037",
        "shared": false
      },
      {
        "name": "Energy Southeast A Cooperative District, Series B-1",
        "value": "4912609.05",
        "weight": "0.00245809",
        "shared": false
      },
      {
        "name": "MONTGOMERY INDL 0% 10/1/2053 MT",
        "value": "4860943.38",
        "weight": "0.00243224",
        "shared": false
      },
      {
        "name": "East Allen Multi School Building Corp",
        "value": "4810310.51",
        "weight": "0.00240690",
        "shared": false
      },
      {
        "name": "Kentucky Municipal Energy Agency",
        "value": "4803703.67",
        "weight": "0.00240360",
        "shared": false
      },
      {
        "name": "Round Rock Independent School District",
        "value": "4792289.14",
        "weight": "0.00239788",
        "shared": false
      },
      {
        "name": "SOUTHEAST ENRG 5% MT",
        "value": "4747546.80",
        "weight": "0.00237550",
        "shared": false
      },
      {
        "name": "SAN FRANCISCO CITY & COUNTY AIRPORT COMM-SAN FRANCISCO INTERNATIONAL AIRPORT 5.25% 05-01-40",
        "value": "4723406.06",
        "weight": "0.00236342",
        "shared": false
      },
      {
        "name": "HOUSTON TX ARPT SYS REVENUE",
        "value": "4687408.30",
        "weight": "0.00234541",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "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"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000940400-26-024909",
      "as_of": "2026-04-30",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1424212/000094040026024909/0000940400-26-024909-index.htm"
    }
  ]
}