{
  "page": "compare",
  "query": {
    "a": "WTAIX",
    "b": "FSMB"
  },
  "retrieved_at": "2026-07-07T13:37:13+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": "Wilmington Municipal Bond Fund",
    "ticker": "WTAIX",
    "slug": "WTAIX",
    "series_id": "S000034846",
    "html_url": "https://fundwatcher.app/funds/WTAIX/"
  },
  "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": "0.02571321262190903601888707201",
    "coverage_b_by_a": "0.02571321262190903601888707201",
    "shared_count": 8,
    "as_of": {
      "a": "2026-01-30",
      "b": "2026-04-30"
    },
    "a_top": [
      {
        "name": "SALT LAKE CNTY UT HOSP REVENUE SLKMED 02/33 FIXED OID 5.125",
        "value": "5232052.37",
        "weight": "0.01420284",
        "shared": false
      },
      {
        "name": "NORTH CAROLINA ST MUNI PWR AGY #1 CATAWBA ELEC REVENUE",
        "value": "4623768.38",
        "weight": "0.01255161",
        "shared": false
      },
      {
        "name": "GEORGIA ST LOCAL GOVT COPS",
        "value": "4488628.81",
        "weight": "0.01218476",
        "shared": false
      },
      {
        "name": "GNSVLL and HLL GA 5% 10/15/2034",
        "value": "4420929.05",
        "weight": "0.01200098",
        "shared": false
      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Series 2019C-1",
        "value": "4063268.80",
        "weight": "0.01103008",
        "shared": true
      },
      {
        "name": "State of Texas",
        "value": "4025609.52",
        "weight": "0.01092785",
        "shared": false
      },
      {
        "name": "CLEVELAND ETC PORT",
        "value": "4024350.40",
        "weight": "0.01092444",
        "shared": false
      },
      {
        "name": "CENTRL PUGET SOUND WA REGL TRA CEPTRN 02/28 FIXED OID 4.75",
        "value": "4016737.39",
        "weight": "0.01090377",
        "shared": false
      },
      {
        "name": "MUNIBOND",
        "value": "3755868.90",
        "weight": "0.01019562",
        "shared": false
      },
      {
        "name": "PROSPER ISD",
        "value": "3734688.00",
        "weight": "0.01013812",
        "shared": false
      },
      {
        "name": "City of Mesa, Series C",
        "value": "3560749.80",
        "weight": "0.00966595",
        "shared": false
      },
      {
        "name": "TX TRANSPRTN-C-REF",
        "value": "3542347.16",
        "weight": "0.00961600",
        "shared": false
      },
      {
        "name": "TX PRIVATE ACTIVITY-A",
        "value": "3517472.00",
        "weight": "0.00954847",
        "shared": false
      },
      {
        "name": "Canadian (County of), OK Educational Facilities Authority (Mustang Public Schools), Series 2023, RB",
        "value": "3489095.70",
        "weight": "0.00947144",
        "shared": false
      },
      {
        "name": "ENERGY NW/WPPS 5% 7/1/2033",
        "value": "3439510.50",
        "weight": "0.00933684",
        "shared": false
      },
      {
        "name": "TX TRANSPRTN-C-REF",
        "value": "3407196.00",
        "weight": "0.00924912",
        "shared": false
      },
      {
        "name": "Clark County School District",
        "value": "3377280.00",
        "weight": "0.00916791",
        "shared": false
      },
      {
        "name": "Nashville (City of) & Davidson (County of), TN Metropolitan Government Health & Educational Facilities Board (The) (Vanderbilt Univ Medical Center)",
        "value": "3314525.40",
        "weight": "0.00899756",
        "shared": true
      },
      {
        "name": "New York Transportation Development Corp., Series 2022",
        "value": "3307653.30",
        "weight": "0.00897890",
        "shared": false
      },
      {
        "name": "SOUTHEST ENERGY (BP) 5.25% 11/1/35 MT",
        "value": "3297248.10",
        "weight": "0.00895066",
        "shared": false
      },
      {
        "name": "Connecticut State Health & Educational Facilities Authority, Series M",
        "value": "3287658.30",
        "weight": "0.00892462",
        "shared": false
      },
      {
        "name": "American Municipal Power, Inc., Series 2021A",
        "value": "3272846.10",
        "weight": "0.00888441",
        "shared": false
      },
      {
        "name": "State of Illinois Sales Tax, Series 2024C",
        "value": "3240618.90",
        "weight": "0.00879693",
        "shared": false
      },
      {
        "name": "Main Street Natural Gas, Inc., Series 2025B",
        "value": "3225757.80",
        "weight": "0.00875659",
        "shared": false
      },
      {
        "name": "Southeast Alabama Gas Supply District (The), Series A",
        "value": "3218269.50",
        "weight": "0.00873626",
        "shared": false
      },
      {
        "name": "DELAWARE VLY PA REGL FIN AUTH DLVGEN 03/35 FIXED 4",
        "value": "3203574.60",
        "weight": "0.00869637",
        "shared": false
      },
      {
        "name": "MONTGOMERY CNTY OH HO",
        "value": "3199747.08",
        "weight": "0.00868598",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 5% MT",
        "value": "3186108.90",
        "weight": "0.00864896",
        "shared": false
      },
      {
        "name": "COLORADO ST HLTH FACS AUTH REV REGD V/R B/E 5.00000000",
        "value": "3180971.40",
        "weight": "0.00863501",
        "shared": true
      },
      {
        "name": "City of Chicago, Series A",
        "value": "3175208.40",
        "weight": "0.00861937",
        "shared": false
      },
      {
        "name": "Clark County School District No 114 Evergreen",
        "value": "3155642.40",
        "weight": "0.00856626",
        "shared": false
      },
      {
        "name": "LAS VEGAS VALLEY WATER DISTRICT 4.0% 06-01-37",
        "value": "3138805.20",
        "weight": "0.00852055",
        "shared": false
      },
      {
        "name": "SLT LAKE U 5% 7/1/2032 @",
        "value": "3136887.30",
        "weight": "0.00851534",
        "shared": false
      },
      {
        "name": "State of Illinois, Series D",
        "value": "3120924.90",
        "weight": "0.00847201",
        "shared": false
      },
      {
        "name": "ROCHSTR MN HLTH 4% 11/15/2039",
        "value": "3098338.50",
        "weight": "0.00841070",
        "shared": false
      },
      {
        "name": "Idaho Housing & Finance Association",
        "value": "3097837.80",
        "weight": "0.00840934",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 4% 07/01/2052 MT",
        "value": "3047999.70",
        "weight": "0.00827405",
        "shared": true
      },
      {
        "name": "CHIC IL OHARE SER D 5% 1/1/34@",
        "value": "3046714.50",
        "weight": "0.00827056",
        "shared": false
      },
      {
        "name": "St. John the Baptist (Parish of), LA (Marathon Oil Corp.), Series 2017, Ref. RB",
        "value": "3036923.70",
        "weight": "0.00824398",
        "shared": true
      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Series 2022A-1",
        "value": "3025404.30",
        "weight": "0.00821271",
        "shared": false
      },
      {
        "name": "UNIV OF ILLINOIS IL REVENUES",
        "value": "3003199.50",
        "weight": "0.00815244",
        "shared": false
      },
      {
        "name": "PIEDMONT MUNI PWR AGY",
        "value": "2908292.23",
        "weight": "0.00789480",
        "shared": false
      },
      {
        "name": "SALT LAKE CNTY UT HOSP REVENUE",
        "value": "2898206.61",
        "weight": "0.00786742",
        "shared": false
      },
      {
        "name": "State of Connecticut",
        "value": "2892229.74",
        "weight": "0.00785120",
        "shared": false
      },
      {
        "name": "New York State Dormitory Authority",
        "value": "2835776.25",
        "weight": "0.00769795",
        "shared": false
      },
      {
        "name": "Clifton Higher Education Finance Corp",
        "value": "2805080.00",
        "weight": "0.00761462",
        "shared": false
      },
      {
        "name": "PHILADELPHIA HOSP-REF",
        "value": "2787292.50",
        "weight": "0.00756634",
        "shared": false
      },
      {
        "name": "NY MTA TRANSP 5% 11/15/2039",
        "value": "2752952.00",
        "weight": "0.00747312",
        "shared": false
      },
      {
        "name": "DENVER CO ARPT 5% 12/1/2031 @",
        "value": "2640531.50",
        "weight": "0.00716794",
        "shared": true
      },
      {
        "name": "County of Carter TN",
        "value": "2626906.25",
        "weight": "0.00713096",
        "shared": false
      }
    ],
    "b_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": false
      },
      {
        "name": "Wisconsin (State of) Public Finance Authority (Duke Energy Progress), Series 2022, Ref. RB",
        "value": "4281206.10",
        "weight": "0.00724301",
        "shared": true
      },
      {
        "name": "St. John the Baptist (Parish of), LA (Marathon Oil Corp.), Series 2017, Ref. RB",
        "value": "4026151.60",
        "weight": "0.00681150",
        "shared": true
      },
      {
        "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": 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": false
      },
      {
        "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": false
      },
      {
        "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": false
      },
      {
        "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": false
      },
      {
        "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": 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": 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": 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": 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": "0000940400-26-011786",
      "as_of": "2026-01-30",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/830744/000094040026011786/0000940400-26-011786-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"
    }
  ]
}