{
  "page": "compare",
  "query": {
    "a": "TLMAX",
    "b": "MPSTX"
  },
  "retrieved_at": "2026-07-07T18:31:06+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 Short Duration Municipal Fund",
    "ticker": "TLMAX",
    "slug": "TLMAX",
    "series_id": "S000043669",
    "html_url": "https://fundwatcher.app/funds/TLMAX/"
  },
  "fund_b": {
    "name": "BNY Mellon National Short-Term Municipal Bond Fund",
    "ticker": "MPSTX",
    "slug": "MPSTX",
    "series_id": "S000000366",
    "html_url": "https://fundwatcher.app/funds/MPSTX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.03536542228446403674023240078",
    "coverage_b_by_a": "0.03536542228446403674023240079",
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    "as_of": {
      "a": "2026-03-31",
      "b": "2025-11-30"
    },
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      },
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      },
      {
        "name": "TENNERGY CORP TN GAS REVENUE TENNERGY CORP/TN",
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      },
      {
        "name": "LOS ANGELES CA DEPT OF ARPTS ARPT REVENUE",
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      },
      {
        "name": "CALIFORNIA CMY 5% 4/1/2031",
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        "name": "Halifax County Industrial Development Authority, Virginia Electric and Power, Series 2010A",
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      {
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        "weight": "0.01722127",
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      },
      {
        "name": "MAIN STR NAT GA(RCC) 5% 9/1/30MT 53",
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      },
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        "name": "GUNSMOKE RANCH APARTMENTS LP (MPT) 5.0% 03-01-58",
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      },
      {
        "name": "NASHVILLE & DAVIDSON",
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      },
      {
        "name": "PENNSYLVANIA ST ECON DEV FING PASDEV 08/37 ADJUSTABLE VAR",
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        "shared": false
      },
      {
        "name": "Chicago O'Hare International Airport",
        "value": "1396910.52",
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      },
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      },
      {
        "name": "MONTGOMERY INDL 0% 10/1/2053 MT",
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        "name": "NE CENPWR 08/01/2055",
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      },
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        "name": "NY NY CITY HS(NEW YORK MHSG) 3.25% 2/1/30 MT 65",
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      {
        "name": "MOBILE PCR AL PWR-C",
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      {
        "name": "AUSTIN TX ARPT SYS REVENUE",
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      {
        "name": "Shelby County Health Educational & Housing Facilities Board",
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        "weight": "0.01175215",
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      {
        "name": "MUNIBOND",
        "value": "1054594.00",
        "weight": "0.01149459",
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      },
      {
        "name": "TEXAS ST MUNI GAS ACQUISITION& SPLY CORP III GAS SPLY REVEN",
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      },
      {
        "name": "California Community Choice Financing Authority, Series B-1",
        "value": "1046422.00",
        "weight": "0.01140552",
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      {
        "name": "Oklahoma County Finance Authority, Series 2025",
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        "name": "NM FARPOL 06/01/2040",
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        "name": "NORTHWESTERN CORP 3.875% 07-01-28",
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      {
        "name": "California (State of) Community Choice Financing Authority (Clean Energy) (Green Bonds), Series 2022 A-1, RB",
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      },
      {
        "name": "Mobile Industrial Development Board, Alabama, Pollution Control Revenue Refunding Bonds, Alabama Power Company Barry Plan, Series 2007A",
        "value": "1009006.00",
        "weight": "0.01099770",
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      {
        "name": "HOUSTON TX MF 3.65% MT",
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        "weight": "0.01099332",
        "shared": false
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      {
        "name": "Canadian (County of), OK Educational Facilities Authority (Mustang Public Schools), Series 2017, RB",
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      },
      {
        "name": "OHIO ST AIR QUALITY DEV AUTH REGD N/C B/E AMT 3.75000000",
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        "weight": "0.01098150",
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      {
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      },
      {
        "name": "WASHINGTON ST HSG FIN COMMISSI REGD V/R B/E 5.00000000",
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        "weight": "0.01093830",
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      {
        "name": "FLORIDA ST HSG FIN CORP MF MTGE REVENUE",
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        "weight": "0.01092637",
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      {
        "name": "TX AHC MF 3.625% MT",
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        "weight": "0.01092525",
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      {
        "name": "LEE FL IDA HLTH 4.375% 11/15/2029",
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        "weight": "0.01092375",
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      },
      {
        "name": "MAIN STREET MARKET SQUARE REDEVELOPMENT AUTHORITY",
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      },
      {
        "name": "MAIKER HSG PARTNERS CO MF HSG REV",
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        "weight": "0.01091189",
        "shared": false
      },
      {
        "name": "Development Authority of Burke County (The), Series 4",
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        "weight": "0.01090846",
        "shared": false
      },
      {
        "name": "WASTE MANAGEMENT INC (MPT) 3.45% 12-01-44",
        "value": "1000505.00",
        "weight": "0.01090504",
        "shared": false
      },
      {
        "name": "MIAMI-DADE MFH MT 4/1/2041",
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        "weight": "0.01090330",
        "shared": false
      },
      {
        "name": "NY ST HSG FIN AGY",
        "value": "1000136.00",
        "weight": "0.01090102",
        "shared": false
      },
      {
        "name": "Knox Warren Etc Counties Community College District No. 518, Series 2025",
        "value": "1000000.00",
        "weight": "0.01089954",
        "shared": false
      },
      {
        "name": "MS BUS FIN-G-CHEVRON",
        "value": "1000000.00",
        "weight": "0.01089954",
        "shared": false
      }
    ],
    "b_top": [
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        "name": "Commonwealth of Massachusetts",
        "value": "9993309.00",
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        "shared": false
      },
      {
        "name": "RHODE ISLAND ST HLTH & EDUCTNL BLDG CORP PUBLIC SCHS REVENUE",
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        "weight": "0.02132510",
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      },
      {
        "name": "TARRANT TX EDFC 5% MT",
        "value": "8057850.00",
        "weight": "0.01730420",
        "shared": false
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      {
        "name": "SOUTHEAST ENERGY AUTH VAR",
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        "weight": "0.01644452",
        "shared": false
      },
      {
        "name": "NEW YORK ST DORM AUTH REVENUES NON ST SUPPORTED DEBT",
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        "shared": false
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      {
        "name": "CT HLTH & EDUCTNL-B-1",
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      {
        "name": "Philadelphia Housing Authority",
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      {
        "name": "PVT CLG UNIV AUTH-A",
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      {
        "name": "NYC TRANSITIONAL-J-1",
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        "weight": "0.01148939",
        "shared": false
      },
      {
        "name": "VIRGINIA ST CMWLTH TRANSPRTN BRD TRANSPRTN REVENUE",
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        "weight": "0.01122776",
        "shared": false
      },
      {
        "name": "Tulsa County Independent School District No. 4 Bixby, Series 2025, GO Bonds",
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        "weight": "0.01108864",
        "shared": false
      },
      {
        "name": "TRIBOROUGH NY BRIDGE & TUNNEL REGD N/C B/E 5.00000000",
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        "shared": false
      },
      {
        "name": "County of Clark, Series 2016B",
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        "shared": false
      },
      {
        "name": "Indiana Finance Authority",
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        "shared": false
      },
      {
        "name": "PORT SEATTLE 5% 5/1/2026 @",
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        "weight": "0.01083119",
        "shared": false
      },
      {
        "name": "NY ST HSG FIN AGY-B-2",
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      },
      {
        "name": "Miami-Dade (County of), FL Housing Finance Authority (Amber Station), Series 2025, RB",
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        "weight": "0.01059706",
        "shared": false
      },
      {
        "name": "Gretna Public Schools, Series 2024, GO Bonds",
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        "weight": "0.01039219",
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      },
      {
        "name": "IN INSMED 10/01/2064",
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        "shared": false
      },
      {
        "name": "Franklin County Convention Facilities Authority",
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        "weight": "0.00927946",
        "shared": false
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      {
        "name": "EQUITABLE SCHOOL REVOLVING FUND LLC OBLIGATED GROUP 5.0% 11-01-28",
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        "shared": false
      },
      {
        "name": "Passaic Valley Sewerage Commission",
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        "weight": "0.00882746",
        "shared": false
      },
      {
        "name": "BOERNE TX ISD 4% MT",
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        "weight": "0.00881678",
        "shared": false
      },
      {
        "name": "TN TGYPWR 12/01/2051",
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        "weight": "0.00857839",
        "shared": false
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      {
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        "weight": "0.00853105",
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      },
      {
        "name": "KENTUCKY ST PROPERTY & BLDGS C REGD N/C B/E 5.00000000",
        "value": "3921480.00",
        "weight": "0.00842136",
        "shared": false
      },
      {
        "name": "HILLSBOROUGH CT 5% 11/15/2029",
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        "weight": "0.00818158",
        "shared": false
      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Refunding Series 2025A",
        "value": "3783722.42",
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        "shared": true
      },
      {
        "name": "ROCKPORT IN POLL CONTROL REVENUE",
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        "weight": "0.00802604",
        "shared": true
      },
      {
        "name": "County of Denton TX",
        "value": "3704571.35",
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        "shared": false
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      {
        "name": "COLORADO ST HLTH FACS AUTH REV REGD V/R B/E 5.00000000",
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        "weight": "0.00786588",
        "shared": false
      },
      {
        "name": "MAIN STREET NATURAL GAS INC GA GAS SUPPLY REVENUE",
        "value": "3540793.08",
        "weight": "0.00760384",
        "shared": true
      },
      {
        "name": "FLORIDA INSURANCE ASSISTANCE INTERLOCAL AGY",
        "value": "3462766.34",
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        "shared": false
      },
      {
        "name": "SAXE GOTHA LEXINGTON PUBLIC FACILITIES CORP",
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        "shared": false
      },
      {
        "name": "IN FIN ENVR 0.95% MT@",
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        "weight": "0.00702330",
        "shared": false
      },
      {
        "name": "PENNSYLVANIA ST ECON DEV FING AUTH UPMC REVENUE",
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        "weight": "0.00699691",
        "shared": false
      },
      {
        "name": "PENNSYLVANIA ST ECON DEV FING REGD V/R B/E AMT 4.00000000",
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      {
        "name": "ALAMO HEIGHTS ISD-B",
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      },
      {
        "name": "Lewis Central Community School District",
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      },
      {
        "name": "Kansas City Planned Industrial Expansion Authority, Missouri, Multifamily Housing Revenue Bonds, The Depot on Old Santa Fe Series 2023",
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        "shared": false
      },
      {
        "name": "MARICOPA IDA-D",
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        "weight": "0.00677727",
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      },
      {
        "name": "STATE OF ILLINOIS MCCORMICK PLACE EXPANSION PROJECT FUND 5.0% 06-15-29",
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      },
      {
        "name": "MET TRANSPRTN AUTH-B",
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        "weight": "0.00663844",
        "shared": false
      },
      {
        "name": "MN HGR EDU FACS-B-1",
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        "weight": "0.00658788",
        "shared": false
      },
      {
        "name": "COLORADO ST HLTH FACS AUTH REVENUE",
        "value": "3033948.40",
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        "shared": false
      },
      {
        "name": "SHAWNEE CO-A",
        "value": "3023079.30",
        "weight": "0.00649205",
        "shared": false
      },
      {
        "name": "OR ST BUS DEV C 3.8% MT",
        "value": "3022338.00",
        "weight": "0.00649046",
        "shared": false
      },
      {
        "name": "MI STRAT FND 3.35% MT@",
        "value": "2993490.90",
        "weight": "0.00642851",
        "shared": true
      },
      {
        "name": "LOS ANGELES WTR-A-REF",
        "value": "2960173.43",
        "weight": "0.00635696",
        "shared": false
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    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001410368-26-051187",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/816153/000141036826051187/0001410368-26-051187-index.htm"
    },
    {
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      "accession_no": "0000940400-26-002288",
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      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1111565/000094040026002288/0000940400-26-002288-index.htm"
    }
  ]
}