{
  "page": "compare",
  "query": {
    "a": "SLMMX",
    "b": "SCACX"
  },
  "retrieved_at": "2026-07-07T16:40:13+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 Massachusetts Municipals Fund",
    "ticker": "SLMMX",
    "slug": "SLMMX",
    "series_id": "S000016629",
    "html_url": "https://fundwatcher.app/funds/SLMMX/"
  },
  "fund_b": {
    "name": "Western Asset California Municipals Fund",
    "ticker": "SCACX",
    "slug": "SCACX",
    "series_id": "S000016644",
    "html_url": "https://fundwatcher.app/funds/SCACX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.03495532900598083804271016253",
    "coverage_b_by_a": "0.03495532900598083804271016252",
    "shared_count": 17,
    "as_of": {
      "a": "2026-02-27",
      "b": "2026-02-27"
    },
    "a_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
      }
    ],
    "b_top": [
      {
        "name": "LOS ANGELES COUNTY PUBLIC WORKS FINANCING AUTHORITY (TOBS)",
        "value": "15583765.25",
        "weight": "0.07525789",
        "shared": false
      },
      {
        "name": "CHANNELSIDE WATER RESOURCES LP 5.0% 11-21-45",
        "value": "10513601.70",
        "weight": "0.05077281",
        "shared": false
      },
      {
        "name": "NRTHRN CA ENRGY",
        "value": "7923061.13",
        "weight": "0.03826244",
        "shared": false
      },
      {
        "name": "CALIFORNIA COMMUNITY VAR",
        "value": "6772254.55",
        "weight": "0.03270491",
        "shared": false
      },
      {
        "name": "Long Beach (City of), CA Bond Finance Authority, Series 2007 A, RB",
        "value": "6101390.00",
        "weight": "0.02946513",
        "shared": false
      },
      {
        "name": "STHRN CA PUBLIC PWR AUTH NATURAL GAS PROJ REVENUE",
        "value": "5444045.30",
        "weight": "0.02629065",
        "shared": false
      },
      {
        "name": "San Diego County Regional Airport Authority, Series B",
        "value": "5417621.48",
        "weight": "0.02616305",
        "shared": false
      },
      {
        "name": "STATE OF CALIFORNIA 5.0% 11-01-50",
        "value": "5378280.00",
        "weight": "0.02597306",
        "shared": false
      },
      {
        "name": "Sacramento Municipal Utility District, Series 2024M",
        "value": "5319500.50",
        "weight": "0.02568920",
        "shared": false
      },
      {
        "name": "Los Angeles Department of Water & Power, Series 2017C",
        "value": "5099700.00",
        "weight": "0.02462772",
        "shared": false
      },
      {
        "name": "San Francisco City & County Airport Comm-San Francisco International Airport, Series 2019 E",
        "value": "5067889.95",
        "weight": "0.02447411",
        "shared": false
      },
      {
        "name": "California Community Choice Financing Authority, Series A",
        "value": "4181795.28",
        "weight": "0.02019493",
        "shared": false
      },
      {
        "name": "CALIFORNIA ST MUNI FIN AUTH REVENUE",
        "value": "4067390.40",
        "weight": "0.01964244",
        "shared": false
      },
      {
        "name": "Los Angeles Department of Airports, California, Revenue Bonds, Los Angeles International Airport, Subordinate Lien Series 2018C",
        "value": "4066993.60",
        "weight": "0.01964053",
        "shared": false
      },
      {
        "name": "CALIFORNIA STWD CMNTYS DEV AUT CASGEN 12/49 FIXED 5",
        "value": "3944579.63",
        "weight": "0.01904936",
        "shared": false
      },
      {
        "name": "California (State of) Health Facilities Financing Authority (Stanford Health Care), Series 2020 A, Ref. RB",
        "value": "3841440.40",
        "weight": "0.01855127",
        "shared": false
      },
      {
        "name": "California (State of) Community Choice Financing Authority (Clean Energy) (Green Bonds), Series 2022 A-1, RB",
        "value": "3839968.88",
        "weight": "0.01854417",
        "shared": false
      },
      {
        "name": "CALIFORNIA ST INFRASTRUCTURE ECON DEV BANK REVEN",
        "value": "3831129.60",
        "weight": "0.01850148",
        "shared": false
      },
      {
        "name": "LA CA AIRPT 5% 5/15/34@",
        "value": "3534056.46",
        "weight": "0.01706684",
        "shared": false
      },
      {
        "name": "San Francisco (City & County of), CA Airport Commission (San Francisco International Airport), Series 2021 A, Ref. RB",
        "value": "3188146.03",
        "weight": "0.01539635",
        "shared": false
      },
      {
        "name": "STOCKTON PUBLIC FINANCING AUTHORITY",
        "value": "3173280.50",
        "weight": "0.01532456",
        "shared": false
      },
      {
        "name": "Southern California Water Replenishment District",
        "value": "3133663.80",
        "weight": "0.01513324",
        "shared": false
      },
      {
        "name": "California Community Choice Financing Authority, Series B-1",
        "value": "3084993.32",
        "weight": "0.01489820",
        "shared": false
      },
      {
        "name": "San Francisco (City & County of), CA Airport Commission (San Francisco International Airport), Second Series 2018 D, RB",
        "value": "3034968.30",
        "weight": "0.01465662",
        "shared": false
      },
      {
        "name": "Mountain House Public Financing Authority",
        "value": "2986892.70",
        "weight": "0.01442445",
        "shared": false
      },
      {
        "name": "GOLDEN ST TOBACCO SECURITIZATI REGD B/E 5.00000000",
        "value": "2888605.03",
        "weight": "0.01394979",
        "shared": false
      },
      {
        "name": "Alameda Corridor Transportation Authority, Series 2022C",
        "value": "2854962.00",
        "weight": "0.01378732",
        "shared": false
      },
      {
        "name": "LONG BEACH CALIF BD FIN AUTH NAT GAS PUR REV SER A",
        "value": "2713913.00",
        "weight": "0.01310616",
        "shared": false
      },
      {
        "name": "TOBACCO SECURITIZATION AUTH ST TOBGEN 06/48 FIXED 5",
        "value": "2618055.17",
        "weight": "0.01264324",
        "shared": false
      },
      {
        "name": "CALIFORNIA ST HLTH FACS FING AUTH REVENUE",
        "value": "2508981.50",
        "weight": "0.01211650",
        "shared": false
      },
      {
        "name": "Port of Los Angeles",
        "value": "2350329.60",
        "weight": "0.01135033",
        "shared": false
      },
      {
        "name": "California (State of) Community Choice Financing Authority (Clean Energy) (Green Bonds), Series 2024, RB",
        "value": "2326360.96",
        "weight": "0.01123458",
        "shared": false
      },
      {
        "name": "Port of Los Angeles 5.00% 08/01/2035",
        "value": "2318317.00",
        "weight": "0.01119573",
        "shared": false
      },
      {
        "name": "San Mateo Joint Powers Financing Authority",
        "value": "2118530.32",
        "weight": "0.01023091",
        "shared": false
      },
      {
        "name": "SAN MATEO JT PWRS-A",
        "value": "2082851.20",
        "weight": "0.01005861",
        "shared": false
      },
      {
        "name": "California (State of) Infrastructure & Economic Development Bank (UCSF 2130 Third Street), Series 2017, RB",
        "value": "2075883.40",
        "weight": "0.01002496",
        "shared": false
      },
      {
        "name": "Southern California Water Replenishment District",
        "value": "2060092.20",
        "weight": "0.00994870",
        "shared": false
      },
      {
        "name": "CA ST UNIV REV 4% 11/1/2045",
        "value": "2011164.00",
        "weight": "0.00971241",
        "shared": false
      },
      {
        "name": "CLASSICAL ACADEMY OBLIGATED GROUP 5.0% 10-01-52",
        "value": "1962591.00",
        "weight": "0.00947784",
        "shared": false
      },
      {
        "name": "California (State of) Health Facilities Financing Authority (Commonspirit Health), Series 2020 A, Ref. RB",
        "value": "1961918.40",
        "weight": "0.00947459",
        "shared": false
      },
      {
        "name": "CHF-DAVIS II LLC BAM 4.0% 05-15-46",
        "value": "1924246.40",
        "weight": "0.00929267",
        "shared": false
      },
      {
        "name": "CA ST MUNI FIN AUTH-A",
        "value": "1836657.90",
        "weight": "0.00886968",
        "shared": false
      },
      {
        "name": "CALIFORNIA ST SCH FIN AUTH COL REGD B/E 5.00000000",
        "value": "1752872.45",
        "weight": "0.00846506",
        "shared": false
      },
      {
        "name": "Folsom Cordova Unified School District",
        "value": "1685309.13",
        "weight": "0.00813878",
        "shared": false
      },
      {
        "name": "RIVER ISLANDS PUBLIC FINANCING RVIGEN 09/48 FIXED 5",
        "value": "1665208.71",
        "weight": "0.00804171",
        "shared": false
      },
      {
        "name": "RIVER ISLANDS PUBLIC FINANCING RVIGEN 09/53 FIXED OID 5.625",
        "value": "1661721.60",
        "weight": "0.00802487",
        "shared": false
      },
      {
        "name": "California (State of) School Finance Authority (KIPP LA), Series 2015 A, RB",
        "value": "1650221.43",
        "weight": "0.00796933",
        "shared": false
      },
      {
        "name": "California Community Choice Financing Authority, Series 2023 E-1",
        "value": "1623097.65",
        "weight": "0.00783834",
        "shared": false
      },
      {
        "name": "San Francisco (City & County of), CA Public Utilities Commission (Green Bonds), Series 2023, Ref. RB",
        "value": "1578468.75",
        "weight": "0.00762282",
        "shared": false
      },
      {
        "name": "CALIFORNIA ST MUNI FIN AUTH REVENUE",
        "value": "1494798.45",
        "weight": "0.00721875",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "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"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000940400-26-014629",
      "as_of": "2026-02-27",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/764624/000094040026014629/0000940400-26-014629-index.htm"
    }
  ]
}