{
  "page": "compare",
  "query": {
    "a": "MBCAX",
    "b": "VCITX"
  },
  "retrieved_at": "2026-07-07T18:22:34+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": "MFS California Municipal Bond Fund",
    "ticker": "MBCAX",
    "slug": "MBCAX",
    "series_id": "S000002530",
    "html_url": "https://fundwatcher.app/funds/MBCAX/"
  },
  "fund_b": {
    "name": "VANGUARD CALIFORNIA LONG-TERM TAX-EXEMPT FUND",
    "ticker": "VCITX",
    "slug": "VCITX",
    "series_id": "S000002567",
    "html_url": "https://fundwatcher.app/funds/VCITX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.07867300972085068532793157163",
    "coverage_b_by_a": "0.07867300972085068532793157165",
    "shared_count": 83,
    "as_of": {
      "a": "2026-03-31",
      "b": "2026-02-28"
    },
    "a_top": [
      {
        "name": "MFS Institutional Money Market Portfolio, Class A",
        "value": "33164381.09",
        "weight": "0.04157409",
        "shared": false
      },
      {
        "name": "California Community Choice Financing Authority, Series C",
        "value": "9338921.10",
        "weight": "0.01170705",
        "shared": true
      },
      {
        "name": "CALIFORNIA COMMUNITY VAR",
        "value": "8035752.75",
        "weight": "0.01007343",
        "shared": true
      },
      {
        "name": "LOS ANGELES HSG-A",
        "value": "7919212.00",
        "weight": "0.00992734",
        "shared": true
      },
      {
        "name": "CALIFORNIA MUNICIPAL FINANCE AUTHORITY",
        "value": "7897030.95",
        "weight": "0.00989953",
        "shared": false
      },
      {
        "name": "OAKLAND UNIF SCH D-A",
        "value": "7361357.50",
        "weight": "0.00922802",
        "shared": false
      },
      {
        "name": "Inglewood Joint Powers Authority, Series 2025",
        "value": "6330975.60",
        "weight": "0.00793636",
        "shared": false
      },
      {
        "name": "California Housing Finance Agency, Series 2026 ISSUE A",
        "value": "5891413.20",
        "weight": "0.00738534",
        "shared": false
      },
      {
        "name": "CALIFORNIA ST HLTH FACS FING AUTH REVENUE",
        "value": "5774298.45",
        "weight": "0.00723852",
        "shared": false
      },
      {
        "name": "CALIFORNIA COMMUNITY VAR",
        "value": "5409991.00",
        "weight": "0.00678184",
        "shared": true
      },
      {
        "name": "San Francisco (City & County of), CA Airport Commission (San Francisco International Airport), Second Series 2023 C, Ref. RB",
        "value": "5339977.00",
        "weight": "0.00669407",
        "shared": false
      },
      {
        "name": "San Francisco Community College District, Series B",
        "value": "5309297.00",
        "weight": "0.00665561",
        "shared": true
      },
      {
        "name": "OAKLAND-D",
        "value": "5297019.50",
        "weight": "0.00664022",
        "shared": false
      },
      {
        "name": "California (State of) Community Choice Financing Authority (Green Bonds), Series 2023 C, RB",
        "value": "5289029.00",
        "weight": "0.00663020",
        "shared": false
      },
      {
        "name": "California (State of) Community Choice Financing Authority (Green Bonds), Series 2023, RB",
        "value": "5232771.50",
        "weight": "0.00655968",
        "shared": true
      },
      {
        "name": "IRVINE CMNTY FACS DT",
        "value": "5226065.50",
        "weight": "0.00655127",
        "shared": false
      },
      {
        "name": "San Diego County Regional Airport Authority, Series 2025 B",
        "value": "5203924.00",
        "weight": "0.00652352",
        "shared": false
      },
      {
        "name": "SAN LUIS OBISPO PUBLIC FINANCI SLOFIN 12/53 FIXED 5",
        "value": "5185679.00",
        "weight": "0.00650064",
        "shared": false
      },
      {
        "name": "CALIFORNIA ST HLTH FACS FING AUTH REVENUE",
        "value": "5167421.00",
        "weight": "0.00647776",
        "shared": true
      },
      {
        "name": "PUERTO RICO SALES TAX FING COR REGD OID B/E 5.00000000",
        "value": "5082159.40",
        "weight": "0.00637088",
        "shared": false
      },
      {
        "name": "Mt. San Antonio Community College District, Series 2013A",
        "value": "5075566.50",
        "weight": "0.00636261",
        "shared": false
      },
      {
        "name": "CA STWD(ENLOE HLTH SYST)/AGM 5.38% 8/15/57",
        "value": "5057092.00",
        "weight": "0.00633945",
        "shared": true
      },
      {
        "name": "CA MUNI FIN AUTH-A",
        "value": "5004730.50",
        "weight": "0.00627381",
        "shared": true
      },
      {
        "name": "California Housing Finance Agency, Series 2024 ISSUE DD",
        "value": "4960470.00",
        "weight": "0.00621833",
        "shared": true
      },
      {
        "name": "CALIFORNIA HSG FIN AGY LTD OBLIG MF HSG REVENUE",
        "value": "4913372.00",
        "weight": "0.00615929",
        "shared": true
      },
      {
        "name": "CALIFORNIA HSG FIN AGY LTD OBLIG MF HSG REVENUE",
        "value": "4913372.00",
        "weight": "0.00615929",
        "shared": true
      },
      {
        "name": "CALIFORNIA HSG FIN AGY LTD OBLIG MF HSG REVENUE",
        "value": "4911349.50",
        "weight": "0.00615675",
        "shared": true
      },
      {
        "name": "North Lake Tahoe Public Financing Authority 5.50% 12/01/2047",
        "value": "4779932.79",
        "weight": "0.00599201",
        "shared": true
      },
      {
        "name": "SANTA CLARA CY 3% 5/1/2039",
        "value": "4749264.98",
        "weight": "0.00595357",
        "shared": true
      },
      {
        "name": "New Hampshire Business Finance Authority, Series 4, Class A",
        "value": "4745309.41",
        "weight": "0.00594861",
        "shared": true
      },
      {
        "name": "Clovis Unified School District, Series C",
        "value": "4709697.50",
        "weight": "0.00590397",
        "shared": false
      },
      {
        "name": "Alameda Corridor Transportation Authority, Series C",
        "value": "4657024.28",
        "weight": "0.00583794",
        "shared": false
      },
      {
        "name": "UNIV OF CA REGENTS -P",
        "value": "4520440.00",
        "weight": "0.00566672",
        "shared": true
      },
      {
        "name": "LOS ANGELES DEPT ARPT",
        "value": "4460673.00",
        "weight": "0.00559179",
        "shared": false
      },
      {
        "name": "CALIFORNIA ST MUNI FIN AUTH RE CASFIN 01/42 FIXED 5",
        "value": "4318553.63",
        "weight": "0.00541364",
        "shared": false
      },
      {
        "name": "CALIFORNIA CMNTY CHOICE FING A REGD B/E 5.25000000",
        "value": "4290378.80",
        "weight": "0.00537832",
        "shared": false
      },
      {
        "name": "CALIFORNIA COMMUNITY VAR",
        "value": "4284094.80",
        "weight": "0.00537044",
        "shared": true
      },
      {
        "name": "CA ST UNIV-A-REF",
        "value": "4276758.00",
        "weight": "0.00536124",
        "shared": false
      },
      {
        "name": "LOS ANGELES CA DEPT OF ARPTS ARPT REVENUE",
        "value": "4264779.42",
        "weight": "0.00534623",
        "shared": false
      },
      {
        "name": "San Francisco (City & County of), CA Airport Commission (San Francisco International Airport), Second Series 2024, Ref. RB",
        "value": "4256294.40",
        "weight": "0.00533559",
        "shared": false
      },
      {
        "name": "Ceres Unified School District, Series 2025A",
        "value": "4169338.00",
        "weight": "0.00522658",
        "shared": false
      },
      {
        "name": "Los Angeles Department of Airports, California, Revenue Bonds, Los Angeles International Airport, Refunding Subordinate Green Series 2025A",
        "value": "4167433.20",
        "weight": "0.00522420",
        "shared": false
      },
      {
        "name": "Kerman Public Financing Authority, Series 2025",
        "value": "4151228.00",
        "weight": "0.00520388",
        "shared": false
      },
      {
        "name": "San Francisco (City & County of), CA Airport Commission (San Francisco International Airport), Series 2016, RB",
        "value": "4000098.00",
        "weight": "0.00501443",
        "shared": false
      },
      {
        "name": "CA ST MFA COP 5.25% 11/1/2052",
        "value": "3994617.20",
        "weight": "0.00500756",
        "shared": false
      },
      {
        "name": "CA MUNI FIN AUTH-A",
        "value": "3992080.80",
        "weight": "0.00500438",
        "shared": true
      },
      {
        "name": "BEVERLY HILLS USD CAB",
        "value": "3985423.87",
        "weight": "0.00499603",
        "shared": false
      },
      {
        "name": "REPUBLIC SERVICES INC (MPT) 3.875% 03-01-54",
        "value": "3972416.40",
        "weight": "0.00497973",
        "shared": false
      },
      {
        "name": "INDIO PUB FING AUTH-A",
        "value": "3933807.70",
        "weight": "0.00493133",
        "shared": false
      },
      {
        "name": "GOLDEN ST TOBACCO SECURITIZATI REGD B/E 5.00000000",
        "value": "3914510.80",
        "weight": "0.00490714",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "BAY AREA TOLL-H",
        "value": "67280000.00",
        "weight": "0.01101765",
        "shared": false
      },
      {
        "name": "CALIFORNIA COMMUNITY VAR",
        "value": "63131062.84",
        "weight": "0.01033822",
        "shared": false
      },
      {
        "name": "STHRN CALIFORNIA ST",
        "value": "58890000.00",
        "weight": "0.00964372",
        "shared": false
      },
      {
        "name": "California (State of) Community Choice Financing Authority (Green Bonds), Series 2023 D, RB",
        "value": "51324021.50",
        "weight": "0.00840473",
        "shared": false
      },
      {
        "name": "JPM-PUTTERS-MIZ9119",
        "value": "45900000.00",
        "weight": "0.00751650",
        "shared": false
      },
      {
        "name": "CALIFORNIA COMMUNITY VAR",
        "value": "44192346.87",
        "weight": "0.00723686",
        "shared": true
      },
      {
        "name": "California (State of) Enterprise Development Authority (Riverside County-Mead Valley Wellness Village), Series 2024, RB",
        "value": "42717511.25",
        "weight": "0.00699534",
        "shared": true
      },
      {
        "name": "CA PUB FIN AUTH-B1",
        "value": "38540000.00",
        "weight": "0.00631124",
        "shared": false
      },
      {
        "name": "California (State of) Community Choice Financing Authority (Clean Energy) (Green Bonds), Series 2022 A-1, RB",
        "value": "36690497.54",
        "weight": "0.00600837",
        "shared": false
      },
      {
        "name": "ELSINORE VLY MUNI-A",
        "value": "35525000.00",
        "weight": "0.00581751",
        "shared": false
      },
      {
        "name": "TNDR OPT-FLTRS-XG0100",
        "value": "34700000.00",
        "weight": "0.00568241",
        "shared": false
      },
      {
        "name": "STATE OF CALIFORNIA 5.0% 09-01-41",
        "value": "33369666.43",
        "weight": "0.00546455",
        "shared": false
      },
      {
        "name": "UNIV OF CALIFORNIA CA REVENUES",
        "value": "32894330.54",
        "weight": "0.00538671",
        "shared": false
      },
      {
        "name": "UNIV OF CALIFORNIA-Q",
        "value": "32190077.87",
        "weight": "0.00527139",
        "shared": false
      },
      {
        "name": "NRTHRN CA ENRGY",
        "value": "31248747.00",
        "weight": "0.00511724",
        "shared": false
      },
      {
        "name": "San Diego Community College District, Series A-1",
        "value": "31061842.38",
        "weight": "0.00508663",
        "shared": false
      },
      {
        "name": "CALIFORNIA COMMUNITY VAR",
        "value": "30425133.75",
        "weight": "0.00498236",
        "shared": true
      },
      {
        "name": "California (State of) Community Choice Financing Authority (Clean Energy) (Green Bonds), Series 2024, RB",
        "value": "30258942.39",
        "weight": "0.00495515",
        "shared": false
      },
      {
        "name": "CALIFORNIA COMMUNITY VAR",
        "value": "29266301.76",
        "weight": "0.00479259",
        "shared": false
      },
      {
        "name": "CALIFORNIA ST HLTH FACS FING A CASMED 08/48 FIXED 4",
        "value": "28666587.00",
        "weight": "0.00469439",
        "shared": false
      },
      {
        "name": "UNIV OF CALIFORNIA CA REVENUES REGD B/E 5.00000000",
        "value": "28089006.48",
        "weight": "0.00459980",
        "shared": false
      },
      {
        "name": "UNIV OF CALIFORNIA REVENUES",
        "value": "28085140.03",
        "weight": "0.00459917",
        "shared": false
      },
      {
        "name": "UNIV OF CALIFORNIA CA REVENUES REGD B/E 5.00000000",
        "value": "26834365.31",
        "weight": "0.00439435",
        "shared": false
      },
      {
        "name": "CALIFORNIA ST EDUCTNL FACS AUTH REVENUE",
        "value": "26536150.00",
        "weight": "0.00434551",
        "shared": false
      },
      {
        "name": "California (State of) Community Choice Financing Authority (Clean Energy) (Green Bonds), Series 2023, RB",
        "value": "26507848.73",
        "weight": "0.00434088",
        "shared": false
      },
      {
        "name": "State of California 5.00% 09/01/2042",
        "value": "26419430.35",
        "weight": "0.00432640",
        "shared": false
      },
      {
        "name": "California Community Choice Financing Authority, Series B-1",
        "value": "26138514.56",
        "weight": "0.00428039",
        "shared": false
      },
      {
        "name": "California (State of) Community Choice Financing Authority (Green Bonds), Series 2023, RB",
        "value": "25806793.67",
        "weight": "0.00422607",
        "shared": true
      },
      {
        "name": "STATE OF CALIFORNIA",
        "value": "25545081.24",
        "weight": "0.00418321",
        "shared": false
      },
      {
        "name": "UNIV OF CALIFORNIA CA REVENUES UNVHGR 05/52 FIXED 5",
        "value": "24451730.88",
        "weight": "0.00400417",
        "shared": false
      },
      {
        "name": "LOS ANGELES DEPT WTR",
        "value": "23685958.94",
        "weight": "0.00387877",
        "shared": false
      },
      {
        "name": "California (State of) Housing Finance Agency, Series 2021-1A, Revenue Ctfs.",
        "value": "23169281.00",
        "weight": "0.00379416",
        "shared": false
      },
      {
        "name": "CALIFORNIA ST HLTH FACS FING AUTH REVENUE",
        "value": "23059520.52",
        "weight": "0.00377618",
        "shared": false
      },
      {
        "name": "California Community Choice Financing Authority, Series C",
        "value": "23011174.96",
        "weight": "0.00376827",
        "shared": true
      },
      {
        "name": "Bay Area Toll Authority, Series 2023 A, VRD Ref. RB",
        "value": "22700000.00",
        "weight": "0.00371731",
        "shared": false
      },
      {
        "name": "HAYWARD UNIFIED SD-B",
        "value": "22665866.50",
        "weight": "0.00371172",
        "shared": false
      },
      {
        "name": "HAYWARD",
        "value": "21772826.72",
        "weight": "0.00356548",
        "shared": false
      },
      {
        "name": "California Community Choice Financing Authority, Series F",
        "value": "21535315.59",
        "weight": "0.00352658",
        "shared": false
      },
      {
        "name": "UNIV OF CA REGENTS -P",
        "value": "21410367.96",
        "weight": "0.00350612",
        "shared": true
      },
      {
        "name": "California Community Choice Financing Authority, Series 2025G",
        "value": "21245091.41",
        "weight": "0.00347906",
        "shared": false
      },
      {
        "name": "CA PUB FIN AUTH-A-1",
        "value": "21215888.67",
        "weight": "0.00347427",
        "shared": false
      },
      {
        "name": "CA ST UNIV-A-REF",
        "value": "20980658.80",
        "weight": "0.00343575",
        "shared": false
      },
      {
        "name": "Los Angeles County Public Works Financing Authority, Series 2024H",
        "value": "20725820.50",
        "weight": "0.00339402",
        "shared": false
      },
      {
        "name": "San Francisco Community College District, Series B",
        "value": "20644916.81",
        "weight": "0.00338077",
        "shared": true
      },
      {
        "name": "CALIFORNIA ST HLTH FACS FING AUTH REVENUE",
        "value": "20331853.04",
        "weight": "0.00332951",
        "shared": false
      },
      {
        "name": "California (State of) Housing Finance Agency, Series 2019 A-2, RB",
        "value": "20076410.68",
        "weight": "0.00328768",
        "shared": false
      },
      {
        "name": "E CO AWP JT PWRS-A-1",
        "value": "19947131.04",
        "weight": "0.00326650",
        "shared": false
      },
      {
        "name": "Bay Area Toll Authority, Series 2018A",
        "value": "19894037.08",
        "weight": "0.00325781",
        "shared": false
      },
      {
        "name": "LOS ANGELS WTR & PWR-",
        "value": "19889738.42",
        "weight": "0.00325711",
        "shared": false
      },
      {
        "name": "UNIV OF CALIFORNIA CA REVENUES REGD N/C B/E 5.00000000",
        "value": "19337561.54",
        "weight": "0.00316668",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0002071691-26-011424",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/751656/000207169126011424/0002071691-26-011424-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000783401-26-000074",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/783401/000078340126000074/0000783401-26-000074-index.htm"
    }
  ]
}