{
  "page": "compare",
  "query": {
    "a": "MPSTX",
    "b": "PSDIX"
  },
  "retrieved_at": "2026-07-07T16:49:45+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": "BNY Mellon National Short-Term Municipal Bond Fund",
    "ticker": "MPSTX",
    "slug": "MPSTX",
    "series_id": "S000000366",
    "html_url": "https://fundwatcher.app/funds/MPSTX/"
  },
  "fund_b": {
    "name": "PIMCO Short Duration Municipal Income Fund",
    "ticker": "PSDIX",
    "slug": "PSDIX",
    "series_id": "S000009702",
    "html_url": "https://fundwatcher.app/funds/PSDIX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.03915337121470032500112659538",
    "coverage_b_by_a": "0.03915337121470032500112659538",
    "shared_count": 13,
    "as_of": {
      "a": "2025-11-30",
      "b": "2026-03-31"
    },
    "a_top": [
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        "name": "Commonwealth of Massachusetts",
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        "weight": "0.02146060",
        "shared": false
      },
      {
        "name": "RHODE ISLAND ST HLTH & EDUCTNL BLDG CORP PUBLIC SCHS REVENUE",
        "value": "9930212.58",
        "weight": "0.02132510",
        "shared": false
      },
      {
        "name": "TARRANT TX EDFC 5% MT",
        "value": "8057850.00",
        "weight": "0.01730420",
        "shared": false
      },
      {
        "name": "SOUTHEAST ENERGY AUTH VAR",
        "value": "7657532.42",
        "weight": "0.01644452",
        "shared": true
      },
      {
        "name": "NEW YORK ST DORM AUTH REVENUES NON ST SUPPORTED DEBT",
        "value": "6424516.80",
        "weight": "0.01379663",
        "shared": false
      },
      {
        "name": "CT HLTH & EDUCTNL-B-1",
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        "weight": "0.01266174",
        "shared": false
      },
      {
        "name": "Philadelphia Housing Authority",
        "value": "5522453.56",
        "weight": "0.01185945",
        "shared": false
      },
      {
        "name": "PVT CLG UNIV AUTH-A",
        "value": "5429796.50",
        "weight": "0.01166047",
        "shared": false
      },
      {
        "name": "NYC TRANSITIONAL-J-1",
        "value": "5350132.50",
        "weight": "0.01148939",
        "shared": false
      },
      {
        "name": "VIRGINIA ST CMWLTH TRANSPRTN BRD TRANSPRTN REVENUE",
        "value": "5228302.00",
        "weight": "0.01122776",
        "shared": false
      },
      {
        "name": "Tulsa County Independent School District No. 4 Bixby, Series 2025, GO Bonds",
        "value": "5163518.00",
        "weight": "0.01108864",
        "shared": false
      },
      {
        "name": "TRIBOROUGH NY BRIDGE & TUNNEL REGD N/C B/E 5.00000000",
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        "weight": "0.01107903",
        "shared": false
      },
      {
        "name": "County of Clark, Series 2016B",
        "value": "5105997.00",
        "weight": "0.01096511",
        "shared": false
      },
      {
        "name": "Indiana Finance Authority",
        "value": "5072244.50",
        "weight": "0.01089263",
        "shared": false
      },
      {
        "name": "PORT SEATTLE 5% 5/1/2026 @",
        "value": "5043637.00",
        "weight": "0.01083119",
        "shared": false
      },
      {
        "name": "NY ST HSG FIN AGY-B-2",
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        "weight": "0.01080333",
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      },
      {
        "name": "Miami-Dade (County of), FL Housing Finance Authority (Amber Station), Series 2025, RB",
        "value": "5026116.50",
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      },
      {
        "name": "RURAL WTR FING 2.75% 5/1/2028",
        "value": "4934611.50",
        "weight": "0.01059706",
        "shared": false
      },
      {
        "name": "Gretna Public Schools, Series 2024, GO Bonds",
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      },
      {
        "name": "IN INSMED 10/01/2064",
        "value": "4541324.33",
        "weight": "0.00975248",
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      },
      {
        "name": "Franklin County Convention Facilities Authority",
        "value": "4321061.24",
        "weight": "0.00927946",
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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",
        "value": "4110579.65",
        "weight": "0.00882746",
        "shared": false
      },
      {
        "name": "BOERNE TX ISD 4% MT",
        "value": "4105610.80",
        "weight": "0.00881678",
        "shared": false
      },
      {
        "name": "TN TGYPWR 12/01/2051",
        "value": "3994600.34",
        "weight": "0.00857839",
        "shared": true
      },
      {
        "name": "TX NSDSCD 08/01/2054",
        "value": "3972556.22",
        "weight": "0.00853105",
        "shared": false
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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",
        "value": "3809822.09",
        "weight": "0.00818158",
        "shared": false
      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Refunding Series 2025A",
        "value": "3783722.42",
        "weight": "0.00812553",
        "shared": false
      },
      {
        "name": "ROCKPORT IN POLL CONTROL REVENUE",
        "value": "3737395.60",
        "weight": "0.00802604",
        "shared": false
      },
      {
        "name": "County of Denton TX",
        "value": "3704571.35",
        "weight": "0.00795555",
        "shared": false
      },
      {
        "name": "COLORADO ST HLTH FACS AUTH REV REGD V/R B/E 5.00000000",
        "value": "3662813.75",
        "weight": "0.00786588",
        "shared": false
      },
      {
        "name": "MAIN STREET NATURAL GAS INC GA GAS SUPPLY REVENUE",
        "value": "3540793.08",
        "weight": "0.00760384",
        "shared": false
      },
      {
        "name": "FLORIDA INSURANCE ASSISTANCE INTERLOCAL AGY",
        "value": "3462766.34",
        "weight": "0.00743628",
        "shared": false
      },
      {
        "name": "SAXE GOTHA LEXINGTON PUBLIC FACILITIES CORP",
        "value": "3313552.11",
        "weight": "0.00711584",
        "shared": false
      },
      {
        "name": "IN FIN ENVR 0.95% MT@",
        "value": "3270461.37",
        "weight": "0.00702330",
        "shared": false
      },
      {
        "name": "PENNSYLVANIA ST ECON DEV FING AUTH UPMC REVENUE",
        "value": "3258171.60",
        "weight": "0.00699691",
        "shared": false
      },
      {
        "name": "PENNSYLVANIA ST ECON DEV FING REGD V/R B/E AMT 4.00000000",
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        "shared": false
      },
      {
        "name": "ALAMO HEIGHTS ISD-B",
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        "weight": "0.00691515",
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      },
      {
        "name": "Lewis Central Community School District",
        "value": "3216407.27",
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        "shared": false
      },
      {
        "name": "Kansas City Planned Industrial Expansion Authority, Missouri, Multifamily Housing Revenue Bonds, The Depot on Old Santa Fe Series 2023",
        "value": "3215392.43",
        "weight": "0.00690504",
        "shared": false
      },
      {
        "name": "MARICOPA IDA-D",
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        "weight": "0.00677727",
        "shared": false
      },
      {
        "name": "STATE OF ILLINOIS MCCORMICK PLACE EXPANSION PROJECT FUND 5.0% 06-15-29",
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        "weight": "0.00667721",
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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",
        "value": "3067701.30",
        "weight": "0.00658788",
        "shared": false
      },
      {
        "name": "COLORADO ST HLTH FACS AUTH REVENUE",
        "value": "3033948.40",
        "weight": "0.00651539",
        "shared": true
      },
      {
        "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": false
      },
      {
        "name": "LOS ANGELES WTR-A-REF",
        "value": "2960173.43",
        "weight": "0.00635696",
        "shared": false
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    ],
    "b_top": [
      {
        "name": "PIMCO PRV SHORT TERM FLT III MUTUAL FUND",
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        "weight": "0.08838457",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
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        "weight": "0.02451049",
        "shared": false
      },
      {
        "name": "CONNECTICUT ST HLTH & EDUCTNL FACS AUTH REVENUE",
        "value": "11755000.00",
        "weight": "0.01988969",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
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      },
      {
        "name": "State of Illinois, Series 2020",
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        "weight": "0.01390042",
        "shared": false
      },
      {
        "name": "FORT BEND TX INDEP SCH DIST REGD V/R B/E PSF-GTD 3.80000000",
        "value": "8147709.60",
        "weight": "0.01378608",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "7517859.38",
        "weight": "0.01272036",
        "shared": false
      },
      {
        "name": "NEW YORK NY",
        "value": "7000000.00",
        "weight": "0.01184414",
        "shared": false
      },
      {
        "name": "Chandler Industrial Development Authority, Series 2019",
        "value": "6250655.47",
        "weight": "0.01057623",
        "shared": true
      },
      {
        "name": "PUBLIC FIN AUTH WI HLTHCARE SYS REVENUE",
        "value": "6000000.00",
        "weight": "0.01015212",
        "shared": false
      },
      {
        "name": "NORTH CAROLINA ST MED CARE COMMISSION HLTH CARE FACS REVENUE",
        "value": "6000000.00",
        "weight": "0.01015212",
        "shared": false
      },
      {
        "name": "Massachusetts Development Finance Agency",
        "value": "6000000.00",
        "weight": "0.01015212",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "5876011.73",
        "weight": "0.00994233",
        "shared": false
      },
      {
        "name": "Wayne County Airport Authority, Michigan, Revenue Bonds, Detroit Metropolitan Wayne County Airport, Series 2023E",
        "value": "5788356.75",
        "weight": "0.00979401",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST SPL OBLG DEDI MASGEN 01/34 FIXED 5.5",
        "value": "5714339.50",
        "weight": "0.00966877",
        "shared": false
      },
      {
        "name": "ARLINGTON COUNTY INDUSTRIAL DEVELOPMENT AUTHORITY (MPT) 3.1% 12-01-55",
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        "shared": false
      },
      {
        "name": "University of California, Series 2026, RB",
        "value": "5070798.24",
        "weight": "0.00857989",
        "shared": false
      },
      {
        "name": "WASTE MANAGEMENT INC (MPT) 4.6% 10-01-53",
        "value": "5014980.00",
        "weight": "0.00848544",
        "shared": false
      },
      {
        "name": "STARPOINT NY CENTRL SCH DIST SPTSCD 06/26 FIXED 4",
        "value": "5013247.50",
        "weight": "0.00848251",
        "shared": false
      },
      {
        "name": "PENNSYLVANIA ST ECON DEV FING PASDEV 08/37 ADJUSTABLE VAR",
        "value": "5007065.00",
        "weight": "0.00847205",
        "shared": false
      },
      {
        "name": "MO HSG DEV COMM-D",
        "value": "5006619.00",
        "weight": "0.00847130",
        "shared": false
      },
      {
        "name": "TARRANT CNTY TX CULTURAL EDU F TAREDU 11/63 ADJUSTABLE VAR",
        "value": "5000000.00",
        "weight": "0.00846010",
        "shared": false
      },
      {
        "name": "IL FIN AUTH-E",
        "value": "5000000.00",
        "weight": "0.00846010",
        "shared": false
      },
      {
        "name": "COLORADO ST BRD OF GOVERNORS UNIV ENTERPRISE SYS REVENUE",
        "value": "4990000.00",
        "weight": "0.00844318",
        "shared": false
      },
      {
        "name": "HAMILTON REV -REF",
        "value": "4760000.00",
        "weight": "0.00805401",
        "shared": false
      },
      {
        "name": "PUERTO RICO SALES TAX FING COR PUERTO RICO SALES TAX FINANCING CORP SALES TAX REV",
        "value": "4749957.73",
        "weight": "0.00803702",
        "shared": false
      },
      {
        "name": "District of Columbia, Series 2025 A, Ref. RB",
        "value": "4632794.10",
        "weight": "0.00783878",
        "shared": false
      },
      {
        "name": "City of Burlington KS",
        "value": "4502433.60",
        "weight": "0.00761820",
        "shared": false
      },
      {
        "name": "DALLAS TX ISD 5% 2/15/2055 MT",
        "value": "4498925.05",
        "weight": "0.00761227",
        "shared": false
      },
      {
        "name": "WILLIAMSON CNTY TX WIL 02/29 FIXED 1.286",
        "value": "4363985.72",
        "weight": "0.00738395",
        "shared": false
      },
      {
        "name": "WSTRN MI UNIV WMIHGR 11/29 FIXED 5",
        "value": "4298019.20",
        "weight": "0.00727233",
        "shared": false
      },
      {
        "name": "TRIBOROUGH NY BRIDGE   TUNNEL TRBTRN 03/28 FIXED 5",
        "value": "4184752.80",
        "weight": "0.00708068",
        "shared": false
      },
      {
        "name": "PHIL PA AIRPORT 5% 7/1/2027 @",
        "value": "4100787.60",
        "weight": "0.00693861",
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      },
      {
        "name": "NY TRANS CORP 5% 1/1/2027 @",
        "value": "4055722.80",
        "weight": "0.00686236",
        "shared": false
      },
      {
        "name": "LAS VARAS PUBLIC FAC CORP TX M LAVMFH 05/43 ADJUSTABLE VAR",
        "value": "4055168.00",
        "weight": "0.00686142",
        "shared": false
      },
      {
        "name": "Tarrant County Cultural Education Facilities Finance Corp., Baylor Scott and White Health Project, Series 2024B",
        "value": "4000000.00",
        "weight": "0.00676808",
        "shared": false
      },
      {
        "name": "COLORADO ST HLTH FACS AUTH REV REGD V/R B/E 2.83000000",
        "value": "3999510.00",
        "weight": "0.00676725",
        "shared": false
      },
      {
        "name": "GAINESVILLE FL UTILITIES SYS R GAIUTL 10/42 ADJUSTABLE VAR",
        "value": "3985000.00",
        "weight": "0.00674270",
        "shared": false
      },
      {
        "name": "ALLGNY CNTY HDA 0% 11/15/2047",
        "value": "3971583.20",
        "weight": "0.00672000",
        "shared": false
      },
      {
        "name": "NYC MUNI WTR-AA1-ADJ",
        "value": "3900000.00",
        "weight": "0.00659888",
        "shared": false
      },
      {
        "name": "Inlivian, Series 2025",
        "value": "3731409.30",
        "weight": "0.00631362",
        "shared": false
      },
      {
        "name": "UNIV OF COLORADO CO ENTERPRISE UCOHGR 10/28 FIXED 5",
        "value": "3708005.00",
        "weight": "0.00627402",
        "shared": false
      },
      {
        "name": "CHARLOTTE MECKLENBURG NC HOSP CHAMED 01/37 ADJUSTABLE VAR",
        "value": "3655000.00",
        "weight": "0.00618433",
        "shared": false
      },
      {
        "name": "ILLINOIS ST FIN AUTH REVENUE ILSGEN 08/30 FIXED 5",
        "value": "3646428.26",
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        "shared": false
      },
      {
        "name": "San Diego County Regional Airport Authority",
        "value": "3606810.35",
        "weight": "0.00610279",
        "shared": false
      },
      {
        "name": "Montgomery (County of), PA Industrial Development Authority (Constellation Energy Generation, LLC), Series 2023 B, Ref. RB",
        "value": "3603798.45",
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      },
      {
        "name": "GA BURPOL 11/01/2053",
        "value": "3411090.80",
        "weight": "0.00577163",
        "shared": true
      },
      {
        "name": "California (State of) Community Choice Financing Authority (Clean Energy) (Green Bonds), Series 2023, RB",
        "value": "3272009.39",
        "weight": "0.00553630",
        "shared": false
      },
      {
        "name": "OHIO VALLEY ELECTRIC CORP 2.5% 11-01-30",
        "value": "3192208.64",
        "weight": "0.00540128",
        "shared": false
      },
      {
        "name": "Public Energy Auth. of Kentucky Gas Supply Rev. Refg. C",
        "value": "3160039.50",
        "weight": "0.00534685",
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      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000940400-26-002288",
      "as_of": "2025-11-30",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1111565/000094040026002288/0000940400-26-002288-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001099263-26-007191",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/810893/000109926326007191/0001099263-26-007191-index.htm"
    }
  ]
}