{
  "page": "compare",
  "query": {
    "a": "LPISX",
    "b": "SLMMX"
  },
  "retrieved_at": "2026-07-07T18:44:15+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": "Western Asset Pennsylvania Municipals Fund",
    "ticker": "LPISX",
    "slug": "LPISX",
    "series_id": "S000016637",
    "html_url": "https://fundwatcher.app/funds/LPISX/"
  },
  "fund_b": {
    "name": "Western Asset Massachusetts Municipals Fund",
    "ticker": "SLMMX",
    "slug": "SLMMX",
    "series_id": "S000016629",
    "html_url": "https://fundwatcher.app/funds/SLMMX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.03479296669592647091314348462",
    "coverage_b_by_a": "0.03479296669592647091314348461",
    "shared_count": 17,
    "as_of": {
      "a": "2026-03-31",
      "b": "2026-02-27"
    },
    "a_top": [
      {
        "name": "Westmoreland County Municipal Authority",
        "value": "7503161.82",
        "weight": "0.09639144",
        "shared": false
      },
      {
        "name": "Pennsylvania Turnpike Commission, Series 2022B",
        "value": "5126100.00",
        "weight": "0.06585386",
        "shared": false
      },
      {
        "name": "Pennsylvania Turnpike Commission",
        "value": "3647025.55",
        "weight": "0.04685252",
        "shared": false
      },
      {
        "name": "PHIL PA WTR 5% 10/1/2043",
        "value": "3431125.04",
        "weight": "0.04407889",
        "shared": false
      },
      {
        "name": "PHILADELPHIA PA ARPT REVENUE REGD B/E AMT 5.00000000",
        "value": "3023428.80",
        "weight": "0.03884131",
        "shared": false
      },
      {
        "name": "Lancaster (County of), PA Hospital Authority (Landis Homes Retirement Community), Series 2015, Ref. RB",
        "value": "2884574.10",
        "weight": "0.03705748",
        "shared": false
      },
      {
        "name": "PHILADELPHIA PA GAS WKS REVENUE",
        "value": "2517077.00",
        "weight": "0.03233632",
        "shared": false
      },
      {
        "name": "Pennsylvania Higher Educational Facilities Authority",
        "value": "2510879.75",
        "weight": "0.03225671",
        "shared": false
      },
      {
        "name": "PHILADELPHIA PA AUTH FOR INDLDEV CITY SVC AGREEMENT REVENUE",
        "value": "2070511.60",
        "weight": "0.02659940",
        "shared": false
      },
      {
        "name": "WILKES BARRE PA 4% 4/15/2049",
        "value": "2041547.18",
        "weight": "0.02622730",
        "shared": false
      },
      {
        "name": "Pennsylvania Turnpike Commission, Turnpike Revenue Bonds, Series 2018A-2",
        "value": "2029182.80",
        "weight": "0.02606846",
        "shared": false
      },
      {
        "name": "Pennsylvania Higher Educational Facilities Authority, Revenue Bonds, Widener University, Series 2021A",
        "value": "1894452.73",
        "weight": "0.02433761",
        "shared": false
      },
      {
        "name": "SOUTHCENTRL PA GEN AUTH REVENU SCAGEN 06/44 FIXED 4",
        "value": "1856353.79",
        "weight": "0.02384816",
        "shared": false
      },
      {
        "name": "PENNSYLVANIA ST HGR EDUCTNL FACS AUTH REVENUE",
        "value": "1699845.88",
        "weight": "0.02183754",
        "shared": false
      },
      {
        "name": "PENNSYLVANIA ST ECON DEV FING AUTH UPMC REVENUE",
        "value": "1675307.60",
        "weight": "0.02152230",
        "shared": false
      },
      {
        "name": "PENNSYLVANIA ST ECON DEV FING REGD N/C B/E 4.00000000",
        "value": "1600926.87",
        "weight": "0.02056675",
        "shared": false
      },
      {
        "name": "PHILA PA 5% 2/1/2039",
        "value": "1565538.60",
        "weight": "0.02011212",
        "shared": false
      },
      {
        "name": "PENNSYLVANIA ST ECON DEV FING REGD B/E AMT 5.75000000",
        "value": "1455323.38",
        "weight": "0.01869621",
        "shared": false
      },
      {
        "name": "Montgomery County Industrial Development Authority, Series 2023A",
        "value": "1321804.73",
        "weight": "0.01698093",
        "shared": false
      },
      {
        "name": "DE RIVER JT TOLL",
        "value": "1268223.63",
        "weight": "0.01629258",
        "shared": false
      },
      {
        "name": "LANCASTER H AUT 5% 11/1/2046",
        "value": "1264524.88",
        "weight": "0.01624507",
        "shared": false
      },
      {
        "name": "PENN STATE HEALTH OBL GRP",
        "value": "1173272.40",
        "weight": "0.01507277",
        "shared": false
      },
      {
        "name": "PHILADELPHIA PA ENERGY AUTH",
        "value": "1065763.70",
        "weight": "0.01369163",
        "shared": false
      },
      {
        "name": "Philadelphia Authority for Industrial Development, Series 2025, RB",
        "value": "1064366.70",
        "weight": "0.01367368",
        "shared": false
      },
      {
        "name": "Pennsylvania Turnpike Commission, Turnpike Revenue Bonds, Series 2022B",
        "value": "1037788.20",
        "weight": "0.01333223",
        "shared": false
      },
      {
        "name": "Commonwealth Financing Authority, Tobacco Master Settlement Payment",
        "value": "1031821.00",
        "weight": "0.01325557",
        "shared": false
      },
      {
        "name": "Sports & Exhibition Authority of Pittsburgh & Allegheny County",
        "value": "1018694.00",
        "weight": "0.01308693",
        "shared": false
      },
      {
        "name": "ERIE SWR AUTH",
        "value": "1017947.10",
        "weight": "0.01307734",
        "shared": false
      },
      {
        "name": "PA MONDEV 5 11/15/2045",
        "value": "1011919.70",
        "weight": "0.01299991",
        "shared": false
      },
      {
        "name": "LANCASTER PA INDL DEV AUTH",
        "value": "991600.90",
        "weight": "0.01273887",
        "shared": false
      },
      {
        "name": "North Allegheny School District, Series 2019, GO Bonds",
        "value": "966456.90",
        "weight": "0.01241586",
        "shared": false
      },
      {
        "name": "PENNSYLVANIA ST ECON DEV FING REGD N/C B/E 4.00000000",
        "value": "914643.36",
        "weight": "0.01175022",
        "shared": false
      },
      {
        "name": "PENNSYLVANIA ST ECON DEV FING AUTH SEWAGE SLUDGE DISP REVENU",
        "value": "816861.84",
        "weight": "0.01049404",
        "shared": false
      },
      {
        "name": "Bucks County Industrial Development Authority",
        "value": "788610.92",
        "weight": "0.01013111",
        "shared": false
      },
      {
        "name": "ST PUB SCH BLDG-A-REF",
        "value": "759536.10",
        "weight": "0.00975759",
        "shared": false
      },
      {
        "name": "Bucks County Water and Sewer Authority 4.00% 12/01/2042",
        "value": "757416.15",
        "weight": "0.00973036",
        "shared": false
      },
      {
        "name": "PHILADELPHIA PA ENERGY AUTH",
        "value": "741859.86",
        "weight": "0.00953051",
        "shared": false
      },
      {
        "name": "Montgomery County Industrial Development Authority, Series 2021 A",
        "value": "645833.36",
        "weight": "0.00829688",
        "shared": false
      },
      {
        "name": "PHILIDELPHIA AUTH-B-1",
        "value": "600000.00",
        "weight": "0.00770807",
        "shared": false
      },
      {
        "name": "HIGHLANDS AT WYOMISSING OBLIGATED GROUP 5.0% 05-15-47",
        "value": "586449.42",
        "weight": "0.00753398",
        "shared": false
      },
      {
        "name": "Montgomery (County of), PA Industrial Development Authority (Germantown Academy), Series 2021, Ref. RB",
        "value": "534931.88",
        "weight": "0.00687215",
        "shared": false
      },
      {
        "name": "Bucks County Industrial Development Authority",
        "value": "533350.82",
        "weight": "0.00685184",
        "shared": false
      },
      {
        "name": "Bucks County Industrial Development Authority",
        "value": "501474.80",
        "weight": "0.00644233",
        "shared": false
      },
      {
        "name": "Berks County Industrial Development Authority, Series 2017 A",
        "value": "501226.50",
        "weight": "0.00643914",
        "shared": false
      },
      {
        "name": "PENNSYLVANIA ST ECON DEV FINGAUTH EXEMPT FACS REVENUE",
        "value": "500937.85",
        "weight": "0.00643544",
        "shared": false
      },
      {
        "name": "Puerto Rico Commonwealth Aqueduct & Sewer Authority, Series A",
        "value": "491241.45",
        "weight": "0.00631087",
        "shared": true
      },
      {
        "name": "Montgomery (County of), PA Industrial Development Authority (Germantown Academy), Series 2021, Ref. RB",
        "value": "428632.02",
        "weight": "0.00550654",
        "shared": false
      },
      {
        "name": "RESTRUCTURED-SER A1",
        "value": "410751.79",
        "weight": "0.00527684",
        "shared": true
      },
      {
        "name": "PUERTO RICO SALES TAX FING COR REGD ZCP OID B/E 0.00000000",
        "value": "401458.98",
        "weight": "0.00515745",
        "shared": true
      },
      {
        "name": "Montgomery County Industrial Development Authority, Pennsylvania, Revenue Bonds, Germantown Academy Project, Series 2021A",
        "value": "400856.76",
        "weight": "0.00514972",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "MASS DEVEL FIN VAR MT",
        "value": "2181688.40",
        "weight": "0.07237070",
        "shared": false
      },
      {
        "name": "Massachusetts Development Finance Agency",
        "value": "1855616.80",
        "weight": "0.06155429",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST DEV FIN AGY REVENUE",
        "value": "1807798.65",
        "weight": "0.05996808",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST DEV FIN AGY REVENUE",
        "value": "1542538.35",
        "weight": "0.05116889",
        "shared": false
      },
      {
        "name": "MASS DEVEL FIN 5% 7/1/2050",
        "value": "1504373.55",
        "weight": "0.04990290",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST DEV FIN AGY REVENUE",
        "value": "1405207.11",
        "weight": "0.04661336",
        "shared": false
      },
      {
        "name": "Town of Plymouth MA",
        "value": "1374621.90",
        "weight": "0.04559879",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST DEV FIN AGY R REGD B/E 5.00000000",
        "value": "1349622.25",
        "weight": "0.04476950",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST PORT AUTH",
        "value": "1289909.88",
        "weight": "0.04278873",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST SPL OBLIG DEDICATED TAX REV FGIC",
        "value": "1214104.10",
        "weight": "0.04027411",
        "shared": false
      },
      {
        "name": "MBTA SLS TAX 5.25% 7/1/2054",
        "value": "1069128.80",
        "weight": "0.03546501",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS DEVELOPMENT FINANCE AGENCY",
        "value": "1055163.40",
        "weight": "0.03500175",
        "shared": false
      },
      {
        "name": "MA ST TRANS REV 5% 6/1/55",
        "value": "1052241.20",
        "weight": "0.03490482",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST DEV FIN AGY REVENUE",
        "value": "997286.80",
        "weight": "0.03308188",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST DEV FIN AGY S MASSACHUSETTS DEVELOPMENT FINANCE AGENCY",
        "value": "972550.60",
        "weight": "0.03226133",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS DEV FIN AGY NATIONAL CHRT SCH REVOLVING LOAN F",
        "value": "940623.30",
        "weight": "0.03120224",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST MUNI WHOLESALE ELEC COMPANY",
        "value": "923379.20",
        "weight": "0.03063022",
        "shared": false
      },
      {
        "name": "Massachusetts Development Finance Agency",
        "value": "894281.94",
        "weight": "0.02966501",
        "shared": false
      },
      {
        "name": "MASS DEVEL FIN 4% 7/1/2046",
        "value": "874186.10",
        "weight": "0.02899839",
        "shared": false
      },
      {
        "name": "ORCHARD COVE OBLIGATED GROUP 5.0% 10-01-49",
        "value": "701536.85",
        "weight": "0.02327129",
        "shared": false
      },
      {
        "name": "MA ST DEV FIN AGY REV BOSTON UNIV-SER U-6C LOC JPMORGAN",
        "value": "700000.00",
        "weight": "0.02322031",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST DEV FIN AGY REVENUE",
        "value": "697680.06",
        "weight": "0.02314336",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST DEV FIN AGY REVENUE",
        "value": "606552.24",
        "weight": "0.02012048",
        "shared": false
      },
      {
        "name": "MA ST DFA 5% 10/1/31",
        "value": "604304.76",
        "weight": "0.02004592",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST DEV FIN AGY REVENUE",
        "value": "505391.60",
        "weight": "0.01676479",
        "shared": false
      },
      {
        "name": "RESTRUCTURED-SER A-2",
        "value": "290599.84",
        "weight": "0.00963974",
        "shared": true
      },
      {
        "name": "PUERTO RICO SALES TAX FING COR REGD ZCP OID B/E 0.00000000",
        "value": "258991.63",
        "weight": "0.00859124",
        "shared": true
      },
      {
        "name": "ORCHARD COVE OBLIGATED GROUP 5.0% 10-01-39",
        "value": "257429.05",
        "weight": "0.00853941",
        "shared": false
      },
      {
        "name": "PUERTO RICO SALES TAX FING COR REGD OID B/E 4.75000000",
        "value": "253531.93",
        "weight": "0.00841013",
        "shared": true
      },
      {
        "name": "Puerto Rico Commonwealth Aqueduct & Sewer Authority, Series A",
        "value": "250560.58",
        "weight": "0.00831157",
        "shared": true
      },
      {
        "name": "RESTRUCTURED-SER A1",
        "value": "225464.92",
        "weight": "0.00747909",
        "shared": true
      },
      {
        "name": "RESTRUCTURED-SER A1",
        "value": "117043.11",
        "weight": "0.00388254",
        "shared": true
      },
      {
        "name": "Massachusetts Development Finance Agency, Series 2024 U-1",
        "value": "100000.00",
        "weight": "0.00331719",
        "shared": false
      },
      {
        "name": "PUERTO RICO SALES TAX FING COR REGD OID B/E 5.00000000",
        "value": "88337.57",
        "weight": "0.00293032",
        "shared": true
      },
      {
        "name": "PUERTO RICO SALES TAX FING CORP SALES TAX REVENUE",
        "value": "68181.72",
        "weight": "0.00226172",
        "shared": true
      },
      {
        "name": "RESTRUCTURED-SER A1",
        "value": "34857.17",
        "weight": "0.00115628",
        "shared": true
      },
      {
        "name": "PUERTO RICO SALES TAX FING COR REGD OID B/E 4.55000000",
        "value": "30201.03",
        "weight": "0.00100182",
        "shared": true
      },
      {
        "name": "Puerto Rico, General Obligation Bonds, Vintage CW NT Claims Taxable Series 2022",
        "value": "14812.25",
        "weight": "0.00049135",
        "shared": true
      },
      {
        "name": "RESTRUCTURED-SER A1",
        "value": "6607.36",
        "weight": "0.00021918",
        "shared": true
      },
      {
        "name": "RESTRUCTURED-SER A1",
        "value": "6541.58",
        "weight": "0.00021700",
        "shared": true
      },
      {
        "name": "RESTRUCTURED-SER A1",
        "value": "6368.85",
        "weight": "0.00021127",
        "shared": true
      },
      {
        "name": "RESTRUCTURED-SER A1",
        "value": "5774.32",
        "weight": "0.00019155",
        "shared": true
      },
      {
        "name": "RESTRUCTURED-SER A1",
        "value": "5553.42",
        "weight": "0.00018422",
        "shared": true
      },
      {
        "name": "RESTRUCTURED-CABS-SER",
        "value": "5372.65",
        "weight": "0.00017822",
        "shared": true
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000940400-26-020733",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/764624/000094040026020733/0000940400-26-020733-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000940400-26-014738",
      "as_of": "2026-02-27",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/764624/000094040026014738/0000940400-26-014738-index.htm"
    }
  ]
}