{
  "page": "compare",
  "query": {
    "a": "THMMX",
    "b": "IORAX"
  },
  "retrieved_at": "2026-07-07T15:48:37+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": "Thornburg Municipal Managed Account Fund",
    "ticker": "THMMX",
    "slug": "THMMX",
    "series_id": "S000079976",
    "html_url": "https://fundwatcher.app/funds/THMMX/"
  },
  "fund_b": {
    "name": "Invesco AMT-Free Municipal Income Fund",
    "ticker": "IORAX",
    "slug": "IORAX",
    "series_id": "S000064640",
    "html_url": "https://fundwatcher.app/funds/IORAX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.02970902319713274781659626391",
    "coverage_b_by_a": "0.02970902319713274781659626391",
    "shared_count": 8,
    "as_of": {
      "a": "2026-03-31",
      "b": "2026-02-28"
    },
    "a_top": [
      {
        "name": "S E ENERGY-B-REV",
        "value": "318234.30",
        "weight": "0.02614831",
        "shared": true
      },
      {
        "name": "WV WVSDEV 04/01/2036",
        "value": "290370.33",
        "weight": "0.02385881",
        "shared": false
      },
      {
        "name": "DETROIT MI 6% 5/1/2043",
        "value": "276425.75",
        "weight": "0.02271303",
        "shared": false
      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Refunding Series 2024A-1",
        "value": "266338.75",
        "weight": "0.02188421",
        "shared": true
      },
      {
        "name": "Southeast Alabama Gas Supply District (The), Series A",
        "value": "266261.25",
        "weight": "0.02187784",
        "shared": false
      },
      {
        "name": "BLACK BELT ENERGY GAS DIST AL GAS SPLY REVENUE",
        "value": "266097.00",
        "weight": "0.02186435",
        "shared": false
      },
      {
        "name": "California (State of) Community Choice Financing Authority (Clean Energy) (Green Bonds), Series 2024, RB",
        "value": "263600.00",
        "weight": "0.02165918",
        "shared": true
      },
      {
        "name": "IN FIN REV 5% 5/1/2040",
        "value": "255873.25",
        "weight": "0.02102430",
        "shared": false
      },
      {
        "name": "FARM N MEX PCR 0% 6/1/2040 MT",
        "value": "253739.75",
        "weight": "0.02084899",
        "shared": false
      },
      {
        "name": "WASHOE NV WTR 4.125% 3/1/2036 @",
        "value": "252951.75",
        "weight": "0.02078425",
        "shared": false
      },
      {
        "name": "NEW MEXICO ST MTGE FIN AUTH",
        "value": "248437.11",
        "weight": "0.02041329",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 5% MT",
        "value": "211995.60",
        "weight": "0.01741901",
        "shared": true
      },
      {
        "name": "NY BUIGEN 7 12/15/2055",
        "value": "211388.73",
        "weight": "0.01736914",
        "shared": false
      },
      {
        "name": "GTR ORLANDO FL AVIATION AUTH ARPT FACS REVENUE",
        "value": "206282.89",
        "weight": "0.01694961",
        "shared": false
      },
      {
        "name": "MICHIGAN ST STR VAR MT@",
        "value": "201659.80",
        "weight": "0.01656975",
        "shared": false
      },
      {
        "name": "INDIANA ST FIN AUTH REVENUE",
        "value": "201468.60",
        "weight": "0.01655404",
        "shared": false
      },
      {
        "name": "Wisconsin (State of) Public Finance Authority (Wakemed Hospital), Series 2019 A, Ref. RB",
        "value": "201134.00",
        "weight": "0.01652654",
        "shared": false
      },
      {
        "name": "San Jose (City of), CA, Series 2017 A, Ref. RB",
        "value": "200007.80",
        "weight": "0.01643401",
        "shared": false
      },
      {
        "name": "UT BLDFAC 5.62 12/01/2053",
        "value": "199360.40",
        "weight": "0.01638081",
        "shared": true
      },
      {
        "name": "GEISINGER PA AUTH HLTH SYS REV REGD B/E 5.00000000",
        "value": "195350.61",
        "weight": "0.01605134",
        "shared": false
      },
      {
        "name": "MIAMI-DADE MFH 4.88% 3/1/2046",
        "value": "195115.00",
        "weight": "0.01603198",
        "shared": false
      },
      {
        "name": "NJ HSG & MTGE FIN-B",
        "value": "180460.39",
        "weight": "0.01482786",
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      },
      {
        "name": "WISCONSIN ST HSG & ECON DEV AUTH MF HSG",
        "value": "174318.98",
        "weight": "0.01432324",
        "shared": false
      },
      {
        "name": "PRESBYTERIAN HOMES OBLIGATED GROUP 5.25% 07-01-48",
        "value": "171850.18",
        "weight": "0.01412039",
        "shared": false
      },
      {
        "name": "PREREF IOWA ST FIN AUTH MIDWSTRN DISA REGD V/R B/E PREREFUNDED 12/01/32 @ 100 5.00000000",
        "value": "169714.50",
        "weight": "0.01394490",
        "shared": true
      },
      {
        "name": "OHIO ST HSG FIN AGY MF HSG REVENUE",
        "value": "161383.08",
        "weight": "0.01326034",
        "shared": false
      },
      {
        "name": "WISCONSIN ST HLTH & EDUCTNL FACS AUTH REVENUE",
        "value": "159852.75",
        "weight": "0.01313459",
        "shared": false
      },
      {
        "name": "PENICK VILLAGE OBLIGATED GROUP 5.5% 09-01-54",
        "value": "159110.99",
        "weight": "0.01307365",
        "shared": false
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      {
        "name": "MADISON-PLAINS OH LOCAL SCH DIST COPS",
        "value": "158194.65",
        "weight": "0.01299835",
        "shared": false
      },
      {
        "name": "Black Belt Energy Gas District, Series D-1",
        "value": "156872.40",
        "weight": "0.01288971",
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      },
      {
        "name": "MAIN STR NAT GA 5% MT",
        "value": "156864.75",
        "weight": "0.01288908",
        "shared": true
      },
      {
        "name": "AGUA DULCE TX INDEP SCH DIST",
        "value": "156435.15",
        "weight": "0.01285378",
        "shared": false
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      {
        "name": "PENNSYLVANIA TURNPIKE COMMISSION 5.0% 12-01-46",
        "value": "155235.60",
        "weight": "0.01275522",
        "shared": false
      },
      {
        "name": "TX MATPOL 4.25 05/01/2030",
        "value": "154564.05",
        "weight": "0.01270004",
        "shared": false
      },
      {
        "name": "City of Chicago Wastewater Transmission Revenue",
        "value": "154153.80",
        "weight": "0.01266633",
        "shared": false
      },
      {
        "name": "AL HSG 5.05% 10/1/2045",
        "value": "154145.70",
        "weight": "0.01266566",
        "shared": false
      },
      {
        "name": "California (State of) Municipal Finance Authority (Greenfield Commons I) (Green Bonds), Series 2023 A, RB",
        "value": "153526.95",
        "weight": "0.01261482",
        "shared": false
      },
      {
        "name": "WI PUBTRN 5.75 06/30/2060",
        "value": "153426.60",
        "weight": "0.01260658",
        "shared": false
      },
      {
        "name": "TX PRIVATE ACTIVITY",
        "value": "153095.25",
        "weight": "0.01257935",
        "shared": false
      },
      {
        "name": "N ESTRN PA HOSP & EDU AUTH",
        "value": "153070.70",
        "weight": "0.01257734",
        "shared": false
      },
      {
        "name": "OWEN CO-VAR-REF-REMK",
        "value": "152771.85",
        "weight": "0.01255278",
        "shared": false
      },
      {
        "name": "Northeastern Illinois University",
        "value": "152402.40",
        "weight": "0.01252242",
        "shared": false
      },
      {
        "name": "COLORADO EDUCTNL & CULTURAL AUTH REVENUE",
        "value": "152285.85",
        "weight": "0.01251285",
        "shared": false
      },
      {
        "name": "Chandler Industrial Development Authority, Series 2007",
        "value": "151627.35",
        "weight": "0.01245874",
        "shared": false
      },
      {
        "name": "SOUTH DAKOTA ST HLTH & EDUCTNL FACS AUTH",
        "value": "151140.45",
        "weight": "0.01241873",
        "shared": false
      },
      {
        "name": "NORTON HEALTHCARE OBLIGATED GROUP 5.0% 10-01-33",
        "value": "150445.95",
        "weight": "0.01236167",
        "shared": false
      },
      {
        "name": "PHX CVC APT REV 5% 7/1/2048 @",
        "value": "150129.90",
        "weight": "0.01233570",
        "shared": false
      },
      {
        "name": "UNITED METHODIST RETIREMENT HOMES INC OBLIGATED GROUP 4.25% 10-01-28",
        "value": "150052.20",
        "weight": "0.01232931",
        "shared": false
      },
      {
        "name": "CHATTANOOGA TN HLTH EDUCTNL &HSG FAC BRD REVENUE",
        "value": "149704.80",
        "weight": "0.01230077",
        "shared": false
      },
      {
        "name": "WASHINGTON ST HSG FIN COMMISSION NONPROFIT HSG REVENUE",
        "value": "149687.25",
        "weight": "0.01229933",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "Washington Metropolitan Area Transit Authority, Series 2020 A, RB",
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        "weight": "0.01211960",
        "shared": false
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      {
        "name": "California (State of) County Tobacco Securitization Agency, Series 2006 B, RB",
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      {
        "name": "ILL ST TOLL 5% 1/1/45",
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        "shared": false
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      {
        "name": "Illinois (State of) Regional Transportation Authority, Series 2018 B, RB",
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      {
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        "weight": "0.00857826",
        "shared": true
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      {
        "name": "Inland Empire Tobacco Securitization Corp., Series 2007 F, RB",
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        "shared": false
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      {
        "name": "Indianapolis Local Public Improvement Bond Bank, Series 2025, Ref. RB",
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        "weight": "0.00808078",
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      {
        "name": "District of Columbia Tobacco Settlement Financing Corp., Series 2006 B, RB",
        "value": "16711095.64",
        "weight": "0.00799148",
        "shared": false
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      {
        "name": "Water Works Board of the City of Birmingham (The), Series 2016B",
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        "weight": "0.00790648",
        "shared": false
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      {
        "name": "MIAMI-DADE WTSW 4% 10/1/49",
        "value": "16408375.62",
        "weight": "0.00784671",
        "shared": false
      },
      {
        "name": "SALT RIVER-SER B",
        "value": "16245068.52",
        "weight": "0.00776862",
        "shared": false
      },
      {
        "name": "County of Broward Tourist Development Tax Revenue",
        "value": "16156493.18",
        "weight": "0.00772626",
        "shared": false
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      {
        "name": "State of Hawaii Airports System, Series 2025B",
        "value": "16086628.50",
        "weight": "0.00769285",
        "shared": false
      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Series 2022A-1",
        "value": "15546696.00",
        "weight": "0.00743465",
        "shared": false
      },
      {
        "name": "TX GPTTRN 4 10/01/2045",
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        "weight": "0.00699635",
        "shared": false
      },
      {
        "name": "LOUISIANA STADIUM & EXPOSITION REGD B/E 5.00000000",
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        "weight": "0.00660042",
        "shared": false
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      {
        "name": "TOBACCO SETTLEMENT FING CORP N TOBACCO SETTLEMENT FINANCING CORP",
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        "weight": "0.00650451",
        "shared": false
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      {
        "name": "PENNSYLVANIA ST REGD B/E 4.00000000",
        "value": "12846892.50",
        "weight": "0.00614356",
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      {
        "name": "TSASC, Inc., Series B",
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      {
        "name": "TOBACCO SETTLEMENT FING CORP NJ",
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        "name": "Aurora (City of), CO (Pipeline/Interceptor), Series 2023, RB",
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      {
        "name": "MSR Energy Authority, Series B",
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      {
        "name": "M-S-R Energy Authority, Series 2009 B, RB",
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      {
        "name": "LOWER AL GAS DIST GAS PROJ REV LWRUTL 09/46 FIXED 5",
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        "shared": false
      },
      {
        "name": "NYC HSG 4.80% 2/1/2053",
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        "weight": "0.00577620",
        "shared": false
      },
      {
        "name": "Tender Option Bond Trust Receipts/Certificates",
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        "shared": false
      },
      {
        "name": "PHILADELPHIA PA AUTH FOR INDL DEV HOSP REVENUE",
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        "weight": "0.00569322",
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      },
      {
        "name": "PUERTO RICO SALES TAX FING COR REGD ZCP OID B/E 0.00000000",
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        "shared": false
      },
      {
        "name": "Miami-Dade (County of), FL Transit System, Series 2020 A, RB",
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      {
        "name": "FORNEY TX INDEP SCH DIST",
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      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Refunding Series 2024A-1",
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      },
      {
        "name": "El Paso (City of), TX, Series 2022 A, RB",
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      {
        "name": "NEW YORK NY",
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        "weight": "0.00522415",
        "shared": false
      },
      {
        "name": "San Antonio, TX Electric and Gas Systems Rev. A",
        "value": "10887735.00",
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      },
      {
        "name": "LOS ANGELES DEPT WTR",
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      },
      {
        "name": "San Diego (County of), CA Regional Airport Authority, Series 2025, RB",
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      },
      {
        "name": "Tender Option Bond Trust Receipts/Certificates",
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      },
      {
        "name": "BLACK BELT ENERGY GAS VAR",
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      },
      {
        "name": "NEW YORK NY REGD B/E 5.25000000",
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      },
      {
        "name": "ST LOUIS MO AIR 5.25% 7/1/2049",
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        "shared": false
      },
      {
        "name": "NJ HLTH CARE FACS-A",
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      },
      {
        "name": "Pennsylvania Housing Finance Agency",
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        "weight": "0.00508821",
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      },
      {
        "name": "Chicago O'Hare International Airport, Series 2018B",
        "value": "10625842.50",
        "weight": "0.00508143",
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      },
      {
        "name": "CALIFORNIA ST HLTH FACS FING AUTH REVENUE",
        "value": "10493428.00",
        "weight": "0.00501810",
        "shared": false
      },
      {
        "name": "Port of Houston Authority, Harris County, Texas, Revenue Bonds, First Lien Series 2023",
        "value": "10423494.00",
        "weight": "0.00498466",
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      },
      {
        "name": "Maryland Transportation Authority, Revenue Bonds, Transportation Facilities Projects, Series 2021A",
        "value": "10421513.00",
        "weight": "0.00498371",
        "shared": false
      },
      {
        "name": "Chicago Midway International Airport, Series 2025, RB",
        "value": "10369137.00",
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      },
      {
        "name": "DALLAS-FORT WORTH TX INTERNATI REGD B/E 5.00000000",
        "value": "10356936.00",
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      },
      {
        "name": "MET TRANS AUTH-A-A2",
        "value": "10305040.19",
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      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001410368-26-051186",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/816153/000141036826051186/0001410368-26-051186-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000909466-26-000151",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/909466/000090946626000151/0000909466-26-000151-index.htm"
    }
  ]
}