{
  "page": "compare",
  "query": {
    "a": "MFLX",
    "b": "FMB"
  },
  "retrieved_at": "2026-07-07T17:06:56+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 Flexible Municipal High Income ETF",
    "ticker": "MFLX",
    "slug": "MFLX",
    "series_id": "S000053970",
    "html_url": "https://fundwatcher.app/funds/MFLX/"
  },
  "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": "0.02974244978954804047390560641",
    "coverage_b_by_a": "0.02974244978954804047390560642",
    "shared_count": 15,
    "as_of": {
      "a": "2026-02-28",
      "b": "2026-04-30"
    },
    "a_top": [
      {
        "name": "OH COLAPT 5.5 01/01/2050",
        "value": "533231.60",
        "weight": "0.02962885",
        "shared": false
      },
      {
        "name": "Jefferson (County of), AL, Series 2024, Ref. RB",
        "value": "499335.98",
        "weight": "0.02774545",
        "shared": true
      },
      {
        "name": "NY DUTMFH 5 10/01/2040",
        "value": "333326.76",
        "weight": "0.01852120",
        "shared": false
      },
      {
        "name": "CHARLSTN SC ARP 5.25% 7/1/2042",
        "value": "331245.81",
        "weight": "0.01840557",
        "shared": true
      },
      {
        "name": "MAINE ST FIN AUTH SOL WST DISP REVENUE",
        "value": "325092.84",
        "weight": "0.01806368",
        "shared": false
      },
      {
        "name": "Indianapolis Local Public Improvement Bond Bank, Series 2023E",
        "value": "314432.91",
        "weight": "0.01747137",
        "shared": false
      },
      {
        "name": "PRG MEDFORD PROPERTIES INC 5.25% 06-01-60",
        "value": "314059.23",
        "weight": "0.01745060",
        "shared": false
      },
      {
        "name": "WAKE ROBIN CORP 4.0% 05-01-37",
        "value": "313669.38",
        "weight": "0.01742894",
        "shared": false
      },
      {
        "name": "TX WTR DEV BRD",
        "value": "312771.18",
        "weight": "0.01737903",
        "shared": false
      },
      {
        "name": "HAMILTON CO-REF",
        "value": "311737.38",
        "weight": "0.01732159",
        "shared": false
      },
      {
        "name": "ERIE SWR AUTH",
        "value": "311222.88",
        "weight": "0.01729300",
        "shared": false
      },
      {
        "name": "Skagit County, WA Public Hospital District No. 1 Hospital Rev. (Skagit Regional Health)",
        "value": "308447.88",
        "weight": "0.01713881",
        "shared": false
      },
      {
        "name": "Wisconsin (State of) Public Finance Authority (Miami Worldcenter), Series 2024 A, RB",
        "value": "307064.91",
        "weight": "0.01706196",
        "shared": true
      },
      {
        "name": "NEW HAMPSHIRE ST BUSINESS FIN AUTH WTR FAC REVENUE",
        "value": "304843.56",
        "weight": "0.01693854",
        "shared": false
      },
      {
        "name": "PREREF IOWA ST FIN AUTH MIDWSTRN DISA REGD V/R B/E PREREFUNDED 12/01/32 @ 100 5.00000000",
        "value": "291893.00",
        "weight": "0.01621894",
        "shared": true
      },
      {
        "name": "TEXAS ST MUNI GAS ACQUISITION& TEXAS MUNICIPAL GAS ACQUISITION & SUPPLY CORP IV",
        "value": "282848.80",
        "weight": "0.01571640",
        "shared": true
      },
      {
        "name": "KISSIMMEE CHARTER ACADEMY 6.5% 06-15-54",
        "value": "282779.20",
        "weight": "0.01571254",
        "shared": false
      },
      {
        "name": "HOUSTON TX ARPT SYS REVENUE REGD B/E AMT 5.50000000",
        "value": "275325.13",
        "weight": "0.01529835",
        "shared": false
      },
      {
        "name": "PATRIOTS EN GRP 5.25% MT",
        "value": "273778.35",
        "weight": "0.01521241",
        "shared": false
      },
      {
        "name": "STATE OF NEW YORK PERSONAL INCOME TAX REVENUE 5.25% 03-15-47",
        "value": "272998.23",
        "weight": "0.01516906",
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      },
      {
        "name": "BLACK CREEK FL CDD SPL ASSMNT",
        "value": "270108.83",
        "weight": "0.01500851",
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      },
      {
        "name": "AZ AZSEDU 5.5 11/01/2051",
        "value": "268585.85",
        "weight": "0.01492389",
        "shared": false
      },
      {
        "name": "WA ST HLTH CAR 5.50% 9/1/2055",
        "value": "266867.98",
        "weight": "0.01482844",
        "shared": false
      },
      {
        "name": "ME FIN AUT REV 5.50% 7/1/2055",
        "value": "266458.20",
        "weight": "0.01480567",
        "shared": false
      },
      {
        "name": "Arizona Industrial Development Authority",
        "value": "265041.34",
        "weight": "0.01472694",
        "shared": false
      },
      {
        "name": "WI PUBTRN 5.75 06/30/2060",
        "value": "262102.73",
        "weight": "0.01456366",
        "shared": false
      },
      {
        "name": "Florida Development Finance Corp",
        "value": "261922.93",
        "weight": "0.01455367",
        "shared": false
      },
      {
        "name": "MD HLTH & HGR EDU-A",
        "value": "260907.33",
        "weight": "0.01449723",
        "shared": false
      },
      {
        "name": "Ridge at Apopka Community Development District",
        "value": "260300.33",
        "weight": "0.01446351",
        "shared": true
      },
      {
        "name": "LAKEWOOD RANCH STEWARDSHIP DISTRICT SERIES 2025 ASSESSMENT SOUTHEAST 6.0% 05-01-56",
        "value": "259784.13",
        "weight": "0.01443482",
        "shared": false
      },
      {
        "name": "Wyandotte County-Kansas City Unified Government, Series 2022",
        "value": "259731.80",
        "weight": "0.01443192",
        "shared": true
      },
      {
        "name": "VIRGI VA 928103 5.50% 12/1/2054",
        "value": "258981.93",
        "weight": "0.01439025",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 4% 9/1/2052",
        "value": "258884.48",
        "weight": "0.01438483",
        "shared": true
      },
      {
        "name": "SUFFOLK REGL OFF-TRACK BETTING SUFFOLK REGIONAL OFF-TRACK BETTING CORP",
        "value": "258260.43",
        "weight": "0.01435016",
        "shared": true
      },
      {
        "name": "WI PUBFIN 5.25 06/15/2055",
        "value": "257814.51",
        "weight": "0.01432538",
        "shared": false
      },
      {
        "name": "IOWA ST FIN AUTH SENIOR LIVING FAC REVENUE",
        "value": "257690.73",
        "weight": "0.01431850",
        "shared": false
      },
      {
        "name": "NORTH CAROLINA ST MED CARE COMMISSION RETMNT FACS REVENUE",
        "value": "257265.23",
        "weight": "0.01429486",
        "shared": false
      },
      {
        "name": "AZ IND DEV AUTH-A",
        "value": "255899.85",
        "weight": "0.01421899",
        "shared": false
      },
      {
        "name": "New York Transportation Development Corp.",
        "value": "254870.25",
        "weight": "0.01416179",
        "shared": false
      },
      {
        "name": "Wisconsin (State of) Public Finance Authority (Campus Real Estate Holdings), Series 2025, Ref. RB",
        "value": "254483.00",
        "weight": "0.01414027",
        "shared": false
      },
      {
        "name": "RESTRUCTURED-SER A1",
        "value": "254291.18",
        "weight": "0.01412961",
        "shared": false
      },
      {
        "name": "State of Illinois, Series 2021A",
        "value": "253183.55",
        "weight": "0.01406806",
        "shared": true
      },
      {
        "name": "MUNIBOND",
        "value": "252306.78",
        "weight": "0.01401935",
        "shared": true
      },
      {
        "name": "FL CTSGEN 5.25 12/01/2055",
        "value": "252113.43",
        "weight": "0.01400860",
        "shared": false
      },
      {
        "name": "SOUTH CAROLINA ST JOBS-ECON DEV AUTH HLTH FACS REVENUE",
        "value": "251501.85",
        "weight": "0.01397462",
        "shared": false
      },
      {
        "name": "RESTRUCTURED-SER A-2-",
        "value": "250517.10",
        "weight": "0.01391990",
        "shared": false
      },
      {
        "name": "WA WASHSG 5.5 07/01/2059",
        "value": "249959.95",
        "weight": "0.01388895",
        "shared": false
      },
      {
        "name": "NORTH CAROLINA ST MED CARE COM REGD B/E 4.00000000",
        "value": "248455.25",
        "weight": "0.01380534",
        "shared": false
      },
      {
        "name": "St Charles County Public Water Supply District No 2",
        "value": "248220.98",
        "weight": "0.01379232",
        "shared": false
      },
      {
        "name": "FRASIER MEADOWS MANOR INC OBLIGATED GROUP 4.0% 05-15-41",
        "value": "246963.50",
        "weight": "0.01372245",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "County of Meade, Series B-1",
        "value": "16200000.00",
        "weight": "0.00810588",
        "shared": false
      },
      {
        "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": false
      },
      {
        "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": true
      },
      {
        "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": false
      },
      {
        "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": false
      },
      {
        "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": false
      },
      {
        "name": "New Hampshire Business Finance Authority",
        "value": "5502809.95",
        "weight": "0.00275340",
        "shared": false
      },
      {
        "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": false
      },
      {
        "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": false
      },
      {
        "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": "0000940400-26-014568",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1667919/000094040026014568/0000940400-26-014568-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"
    }
  ]
}