{
  "page": "compare",
  "query": {
    "a": "TSSIX",
    "b": "THMMX"
  },
  "retrieved_at": "2026-07-07T15:01:11+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": "Thornburg Strategic Municipal Income Fund",
    "ticker": "TSSIX",
    "slug": "TSSIX",
    "series_id": "S000025152",
    "html_url": "https://fundwatcher.app/funds/TSSIX/"
  },
  "fund_b": {
    "name": "Thornburg Municipal Managed Account Fund",
    "ticker": "THMMX",
    "slug": "THMMX",
    "series_id": "S000079976",
    "html_url": "https://fundwatcher.app/funds/THMMX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.1487139497126008596602573636",
    "coverage_b_by_a": "0.1487139497126008596602573636",
    "shared_count": 42,
    "as_of": {
      "a": "2026-03-31",
      "b": "2026-03-31"
    },
    "a_top": [
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Series 2022A-1",
        "value": "5553861.50",
        "weight": "0.01376835",
        "shared": false
      },
      {
        "name": "PATRIOTS EN GRP 5.25% MT",
        "value": "5353050.00",
        "weight": "0.01327052",
        "shared": false
      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Refunding Series 2024A-1",
        "value": "5326775.00",
        "weight": "0.01320539",
        "shared": true
      },
      {
        "name": "MO H/E-ST LOUIS-B-1",
        "value": "4435000.00",
        "weight": "0.01099462",
        "shared": false
      },
      {
        "name": "California (State of) Community Choice Financing Authority (Green Bonds), Series 2023 C, RB",
        "value": "4430916.00",
        "weight": "0.01098450",
        "shared": false
      },
      {
        "name": "TARRANT COUNTY HOUSING FINANCE TARMFH 03/43 FIXED 4.6",
        "value": "4028723.92",
        "weight": "0.00998744",
        "shared": false
      },
      {
        "name": "Main Street Natural Gas, Inc., Series 2019A",
        "value": "3880067.90",
        "weight": "0.00961891",
        "shared": false
      },
      {
        "name": "OH BUCGEN 5 06/01/2055",
        "value": "3600000.00",
        "weight": "0.00892461",
        "shared": true
      },
      {
        "name": "S ANTONIO TEX 4.55% 3/1/2043",
        "value": "3477412.05",
        "weight": "0.00862071",
        "shared": false
      },
      {
        "name": "MUNIBOND",
        "value": "3411471.18",
        "weight": "0.00845724",
        "shared": false
      },
      {
        "name": "GO Refunding Bonds Series 2017A",
        "value": "3362627.34",
        "weight": "0.00833615",
        "shared": false
      },
      {
        "name": "INDIANA ST FIN AUTH REVENUE",
        "value": "3324231.90",
        "weight": "0.00824096",
        "shared": true
      },
      {
        "name": "MAIN STR NAT GA 5% MT",
        "value": "3167127.00",
        "weight": "0.00785149",
        "shared": false
      },
      {
        "name": "SLT LAKE U 5.50% 7/1/2050@",
        "value": "3141225.00",
        "weight": "0.00778728",
        "shared": false
      },
      {
        "name": "State of Illinois, Series D",
        "value": "3087843.00",
        "weight": "0.00765494",
        "shared": false
      },
      {
        "name": "CAPITAL TRUST AGY FL EDUCTNL FACS REVENUE",
        "value": "3044259.00",
        "weight": "0.00754690",
        "shared": true
      },
      {
        "name": "WEST VIRGINIA ST HOSP FIN AUTH",
        "value": "3001839.00",
        "weight": "0.00744173",
        "shared": false
      },
      {
        "name": "Maricopa County Pollution Control Corp., Series A",
        "value": "2964054.00",
        "weight": "0.00734806",
        "shared": false
      },
      {
        "name": "ILLINOIS ST SALES TAX REVENUE",
        "value": "2594675.00",
        "weight": "0.00643235",
        "shared": false
      },
      {
        "name": "DENVER CO ARPT 5% 12/1/48@",
        "value": "2510827.50",
        "weight": "0.00622449",
        "shared": false
      },
      {
        "name": "FLORIDA ST LOCAL GOVT FIN COMMISSION EDUCTNL FACS REVENUE",
        "value": "2479867.50",
        "weight": "0.00614774",
        "shared": false
      },
      {
        "name": "STATE OF ILLINOIS MCCORMICK PLACE EXPANSION PROJECT FUND 5.0% 06-15-50",
        "value": "2472467.50",
        "weight": "0.00612939",
        "shared": false
      },
      {
        "name": "ENERGY SOUTHEAST A COOPERATIVE ESDPWR 11/35 FIXED 5",
        "value": "2389104.18",
        "weight": "0.00592273",
        "shared": false
      },
      {
        "name": "KIPP NYC PUBLIC CHARTER SCHOOLS 5.0% 07-01-42",
        "value": "2360703.90",
        "weight": "0.00585232",
        "shared": false
      },
      {
        "name": "PREREF IOWA ST FIN AUTH MIDWSTRN DISA REGD V/R B/E PREREFUNDED 12/01/32 @ 100 5.00000000",
        "value": "2347717.25",
        "weight": "0.00582013",
        "shared": true
      },
      {
        "name": "SOUTHEAST ENERGY AUTHORITY A COOPERATIVE",
        "value": "2274096.63",
        "weight": "0.00563762",
        "shared": false
      },
      {
        "name": "GTR ORLANDO FL AVIATION AUTH ARPT FACS REVENUE",
        "value": "2213767.60",
        "weight": "0.00548806",
        "shared": true
      },
      {
        "name": "TEXAS ST MUNI GAS ACQUISITION& TEXAS MUNICIPAL GAS ACQUISITION & SUPPLY CORP IV",
        "value": "2182572.00",
        "weight": "0.00541072",
        "shared": false
      },
      {
        "name": "BLACK BELT ENERGY GAS DISTRICT (MPT) 5.0% 03-01-55",
        "value": "2112808.00",
        "weight": "0.00523777",
        "shared": false
      },
      {
        "name": "PRESBYTERIAN HOMES OBLIGATED GROUP 5.25% 07-01-48",
        "value": "2111302.15",
        "weight": "0.00523404",
        "shared": true
      },
      {
        "name": "AUSTIN TX ARPT SYS REVENUE",
        "value": "2107568.00",
        "weight": "0.00522478",
        "shared": false
      },
      {
        "name": "Main Street Natural Gas, Inc., Series 2025B",
        "value": "2095942.00",
        "weight": "0.00519596",
        "shared": false
      },
      {
        "name": "NJ TRANSPRTN TRUST-A",
        "value": "2090356.00",
        "weight": "0.00518211",
        "shared": false
      },
      {
        "name": "ILLINOIS ST SALES TAX REVENUE",
        "value": "2088168.00",
        "weight": "0.00517669",
        "shared": false
      },
      {
        "name": "OREGON ST HLTH & SCIENCE UNIV REVENUE",
        "value": "2063702.10",
        "weight": "0.00511604",
        "shared": false
      },
      {
        "name": "NY ST TWY AUTH-A",
        "value": "2046984.00",
        "weight": "0.00507459",
        "shared": false
      },
      {
        "name": "WI PUBTRN 5.75 06/30/2060",
        "value": "2045688.00",
        "weight": "0.00507138",
        "shared": true
      },
      {
        "name": "NORTH CAROLINA ST MED CARE COMMISSION RETMNT FACS REVENUE",
        "value": "2043771.25",
        "weight": "0.00506663",
        "shared": false
      },
      {
        "name": "ALABAMA CMNTY CLG SYS BRD OF TRUSTEES REVENUE",
        "value": "2043172.00",
        "weight": "0.00506514",
        "shared": false
      },
      {
        "name": "ILLINOIS ST SALES TAX REVENUE",
        "value": "2025687.59",
        "weight": "0.00502180",
        "shared": false
      },
      {
        "name": "Tarrant County Cultural Education Facilities Finance Corp., Series 2025, RB",
        "value": "2025066.00",
        "weight": "0.00502026",
        "shared": false
      },
      {
        "name": "ORANGE CNTY FL PRESBYTERIAN RETIREMENT SF 5.0% 08-01-40",
        "value": "2021569.54",
        "weight": "0.00501159",
        "shared": false
      },
      {
        "name": "Chicago O'Hare International Airport",
        "value": "2017932.00",
        "weight": "0.00500257",
        "shared": false
      },
      {
        "name": "NJ TRANSP 5% 6/15/27",
        "value": "2009968.00",
        "weight": "0.00498283",
        "shared": false
      },
      {
        "name": "PENNSYLVANIA ST ECON DEV FING REGD V/R B/E AMT 4.00000000",
        "value": "2000654.00",
        "weight": "0.00495974",
        "shared": false
      },
      {
        "name": "UT BLDFAC 5.62 12/01/2053",
        "value": "1993604.00",
        "weight": "0.00494226",
        "shared": true
      },
      {
        "name": "TARRANT TX EDFC 5% 10/1/2049",
        "value": "1970163.30",
        "weight": "0.00488415",
        "shared": false
      },
      {
        "name": "MI GRADEV 6.12 11/01/2060",
        "value": "1928184.00",
        "weight": "0.00478008",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 5% 5/15/2043",
        "value": "1927126.30",
        "weight": "0.00477746",
        "shared": false
      },
      {
        "name": "WASHINGTON ST HSG FIN COMMISSION NONPROFIT HSG REVENUE",
        "value": "1846142.75",
        "weight": "0.00457670",
        "shared": true
      }
    ],
    "b_top": [
      {
        "name": "S E ENERGY-B-REV",
        "value": "318234.30",
        "weight": "0.02614831",
        "shared": false
      },
      {
        "name": "WV WVSDEV 04/01/2036",
        "value": "290370.33",
        "weight": "0.02385881",
        "shared": true
      },
      {
        "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": true
      },
      {
        "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": false
      },
      {
        "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": true
      },
      {
        "name": "WASHOE NV WTR 4.125% 3/1/2036 @",
        "value": "252951.75",
        "weight": "0.02078425",
        "shared": true
      },
      {
        "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": false
      },
      {
        "name": "NY BUIGEN 7 12/15/2055",
        "value": "211388.73",
        "weight": "0.01736914",
        "shared": true
      },
      {
        "name": "GTR ORLANDO FL AVIATION AUTH ARPT FACS REVENUE",
        "value": "206282.89",
        "weight": "0.01694961",
        "shared": true
      },
      {
        "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": true
      },
      {
        "name": "Wisconsin (State of) Public Finance Authority (Wakemed Hospital), Series 2019 A, Ref. RB",
        "value": "201134.00",
        "weight": "0.01652654",
        "shared": true
      },
      {
        "name": "San Jose (City of), CA, Series 2017 A, Ref. RB",
        "value": "200007.80",
        "weight": "0.01643401",
        "shared": true
      },
      {
        "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": true
      },
      {
        "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",
        "shared": true
      },
      {
        "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": true
      },
      {
        "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": true
      },
      {
        "name": "MADISON-PLAINS OH LOCAL SCH DIST COPS",
        "value": "158194.65",
        "weight": "0.01299835",
        "shared": true
      },
      {
        "name": "Black Belt Energy Gas District, Series D-1",
        "value": "156872.40",
        "weight": "0.01288971",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 5% MT",
        "value": "156864.75",
        "weight": "0.01288908",
        "shared": false
      },
      {
        "name": "AGUA DULCE TX INDEP SCH DIST",
        "value": "156435.15",
        "weight": "0.01285378",
        "shared": false
      },
      {
        "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": true
      },
      {
        "name": "City of Chicago Wastewater Transmission Revenue",
        "value": "154153.80",
        "weight": "0.01266633",
        "shared": true
      },
      {
        "name": "AL HSG 5.05% 10/1/2045",
        "value": "154145.70",
        "weight": "0.01266566",
        "shared": true
      },
      {
        "name": "California (State of) Municipal Finance Authority (Greenfield Commons I) (Green Bonds), Series 2023 A, RB",
        "value": "153526.95",
        "weight": "0.01261482",
        "shared": true
      },
      {
        "name": "WI PUBTRN 5.75 06/30/2060",
        "value": "153426.60",
        "weight": "0.01260658",
        "shared": true
      },
      {
        "name": "TX PRIVATE ACTIVITY",
        "value": "153095.25",
        "weight": "0.01257935",
        "shared": true
      },
      {
        "name": "N ESTRN PA HOSP & EDU AUTH",
        "value": "153070.70",
        "weight": "0.01257734",
        "shared": true
      },
      {
        "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": true
      },
      {
        "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": true
      },
      {
        "name": "WASHINGTON ST HSG FIN COMMISSION NONPROFIT HSG REVENUE",
        "value": "149687.25",
        "weight": "0.01229933",
        "shared": true
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001410368-26-051184",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/816153/000141036826051184/0001410368-26-051184-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "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"
    }
  ]
}