{
  "page": "compare",
  "query": {
    "a": "FSTTX",
    "b": "VWSTX"
  },
  "retrieved_at": "2026-07-07T15:43:39+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": "American Funds Short-Term Tax-Exempt Bond Fund",
    "ticker": "FSTTX",
    "slug": "FSTTX",
    "series_id": "S000009233",
    "html_url": "https://fundwatcher.app/funds/FSTTX/"
  },
  "fund_b": {
    "name": "VANGUARD ULTRA-SHORT-TERM TAX-EXEMPT FUND",
    "ticker": "VWSTX",
    "slug": "VWSTX",
    "series_id": "S000002897",
    "html_url": "https://fundwatcher.app/funds/VWSTX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.07566301682774503438499980007",
    "coverage_b_by_a": "0.07566301682774503438499980008",
    "shared_count": 177,
    "as_of": {
      "a": "2026-01-31",
      "b": "2026-01-31"
    },
    "a_top": [
      {
        "name": "UTILITY-TE-2",
        "value": "22289480.00",
        "weight": "0.00962619",
        "shared": false
      },
      {
        "name": "UNIV OF MICHIGAN MI REGD V/R B/E 2.40000000",
        "value": "18600000.00",
        "weight": "0.00803281",
        "shared": false
      },
      {
        "name": "PEFA INC VAR",
        "value": "18563433.92",
        "weight": "0.00801701",
        "shared": false
      },
      {
        "name": "WASTE MANAGEMENT INC (MPT) 4.6% 10-01-46",
        "value": "17594710.00",
        "weight": "0.00759865",
        "shared": false
      },
      {
        "name": "CA STWD CMNTYS DEV-A",
        "value": "16689206.50",
        "weight": "0.00720759",
        "shared": true
      },
      {
        "name": "MS BUS FIN-VAR-J-CHEV",
        "value": "15300000.00",
        "weight": "0.00660763",
        "shared": false
      },
      {
        "name": "TRIBOROUGH NY BRIDGE & TUNNEL AUTH REVENUES",
        "value": "14800000.00",
        "weight": "0.00639169",
        "shared": false
      },
      {
        "name": "MUNIBOND",
        "value": "13649080.50",
        "weight": "0.00589465",
        "shared": true
      },
      {
        "name": "ARIZONA ST INDL DEV AUTH MF HS REGD V/R B/E 5.00000000",
        "value": "12679041.55",
        "weight": "0.00547571",
        "shared": false
      },
      {
        "name": "WASTE MANAGEMENT INC (MPT) 4.25% 06-01-48",
        "value": "11466338.65",
        "weight": "0.00495198",
        "shared": false
      },
      {
        "name": "SOUTHEAST ENERGY AUTH VAR",
        "value": "10777338.33",
        "weight": "0.00465442",
        "shared": false
      },
      {
        "name": "Los Angeles (City of), CA, Series 2025, RN",
        "value": "10115010.00",
        "weight": "0.00436838",
        "shared": false
      },
      {
        "name": "State of Georgia, Series 2022C",
        "value": "10074610.00",
        "weight": "0.00435093",
        "shared": false
      },
      {
        "name": "WASTE MANAGEMENT INC (MPT) 3.875% 08-01-38",
        "value": "10029470.00",
        "weight": "0.00433144",
        "shared": false
      },
      {
        "name": "HOUSTON TX UTILITY SYS REVENUE REGD V/R B/E 3.45000000",
        "value": "10000000.00",
        "weight": "0.00431871",
        "shared": false
      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Refunding Series 2025A",
        "value": "9957705.23",
        "weight": "0.00430045",
        "shared": true
      },
      {
        "name": "UTAH ST HSG CORP MF REVENUE REGD N/C B/E HUD SEC 3.62500000",
        "value": "9830000.00",
        "weight": "0.00424529",
        "shared": false
      },
      {
        "name": "UNIV OF CALIFORNIA CA REVENUES REGD N/C B/E 5.00000000",
        "value": "9412139.07",
        "weight": "0.00406483",
        "shared": false
      },
      {
        "name": "VIRGINIA HSG DEV-G",
        "value": "9396183.77",
        "weight": "0.00405794",
        "shared": true
      },
      {
        "name": "State of Hawaii Department of Budget and Finance, The Queen's Health Systems, Series 2025B",
        "value": "9200000.00",
        "weight": "0.00397322",
        "shared": false
      },
      {
        "name": "MISSISSIPPI ST BUSINESS FIN COMMISSION GULF OPPORTUNITY ZONE",
        "value": "9200000.00",
        "weight": "0.00397322",
        "shared": false
      },
      {
        "name": "California Community Choice Financing Authority, Series F",
        "value": "9026444.36",
        "weight": "0.00389826",
        "shared": false
      },
      {
        "name": "State of Colorado, Series B",
        "value": "8949916.50",
        "weight": "0.00386521",
        "shared": false
      },
      {
        "name": "PREREF CENTRL FL EXPRESSWAY AUTH SR L REGD B/E PREREFUNDED 07/01/26 @ 100 4.00000000",
        "value": "8708428.37",
        "weight": "0.00376092",
        "shared": false
      },
      {
        "name": "BLACK BELT ENERGY GAS DISTRICT (MPT) 5.0% 03-01-55",
        "value": "8694931.42",
        "weight": "0.00375509",
        "shared": false
      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Refunding Series 2024B",
        "value": "8639945.58",
        "weight": "0.00373134",
        "shared": false
      },
      {
        "name": "NEW YORK MUNI WTR-AA2",
        "value": "8253699.75",
        "weight": "0.00356454",
        "shared": false
      },
      {
        "name": "PREREF BEXAR CNTY TX REGD B/E PREREFUNDED 06/15/26 @ 100 5.00000000",
        "value": "8077896.00",
        "weight": "0.00348861",
        "shared": false
      },
      {
        "name": "QUEEN'S HEALTH SYSTEMS OBLIGATED GROUP FRN 07-01-51",
        "value": "8000000.00",
        "weight": "0.00345497",
        "shared": false
      },
      {
        "name": "PALMDALE FAMILY HOUSING LP (MPT) 2.95% 01-01-56",
        "value": "7961034.80",
        "weight": "0.00343814",
        "shared": true
      },
      {
        "name": "STHRN CA PUB PWR-B",
        "value": "7840918.80",
        "weight": "0.00338627",
        "shared": true
      },
      {
        "name": "STATE OF NORTH CAROLINA 5.0% 06-01-29",
        "value": "7796649.18",
        "weight": "0.00336715",
        "shared": false
      },
      {
        "name": "MI HSG ST DEV AUTH-A",
        "value": "7767187.95",
        "weight": "0.00335443",
        "shared": false
      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Series 2024A-1",
        "value": "7418313.00",
        "weight": "0.00320376",
        "shared": false
      },
      {
        "name": "NYC TRANSITIONAL-F-1",
        "value": "7405853.00",
        "weight": "0.00319838",
        "shared": false
      },
      {
        "name": "HOUSTON TX ISD",
        "value": "7319753.80",
        "weight": "0.00316119",
        "shared": true
      },
      {
        "name": "LOS ANGELES DEPT-C",
        "value": "7267291.79",
        "weight": "0.00313853",
        "shared": true
      },
      {
        "name": "CARROLLTON-FARMERS BRANCH INDEPENDENT SCHOOL DISTRICT PSF-GTD 5.0% 02-15-27",
        "value": "7197512.00",
        "weight": "0.00310840",
        "shared": false
      },
      {
        "name": "NORTH PORT PRESERVATION LTD DIVIDEND HOUSING ASSOCIATION LLC FHA 223(F) (MPT) 5.0% 08-01-27",
        "value": "7149353.68",
        "weight": "0.00308760",
        "shared": false
      },
      {
        "name": "California Community Choice Financing Authority, Series B-1",
        "value": "7146357.68",
        "weight": "0.00308631",
        "shared": true
      },
      {
        "name": "California (State of) Community Choice Financing Authority (Clean Energy) (Green Bonds), Series 2024, RB",
        "value": "7142265.79",
        "weight": "0.00308454",
        "shared": false
      },
      {
        "name": "WISE VA IDA SW 3.125% MT",
        "value": "7072009.00",
        "weight": "0.00305420",
        "shared": true
      },
      {
        "name": "NEW HAVEN UNIFIED SCHOOL DISTRICT AG 0.0% 08-01-29",
        "value": "7002963.00",
        "weight": "0.00302438",
        "shared": false
      },
      {
        "name": "TX EXXON 12 G=EXXON V1",
        "value": "7000000.00",
        "weight": "0.00302310",
        "shared": false
      },
      {
        "name": "NYC MUNI WTR FIN-DD",
        "value": "6931892.50",
        "weight": "0.00299369",
        "shared": false
      },
      {
        "name": "EXXON MOBIL CORP FRN 12-01-40",
        "value": "6800000.00",
        "weight": "0.00293672",
        "shared": false
      },
      {
        "name": "RUSH SYSTEM FOR HEALTH OBLIGATED GROUP 5.0% 11-15-30",
        "value": "6785843.75",
        "weight": "0.00293061",
        "shared": true
      },
      {
        "name": "PORT OF PORTLAND OR AIRPORT REVENUE 5.0% 07-01-31",
        "value": "6678432.00",
        "weight": "0.00288422",
        "shared": false
      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Series 2022A-1",
        "value": "6555042.00",
        "weight": "0.00283093",
        "shared": false
      },
      {
        "name": "DICKSON TN HLTH EDUCTNL & HSG FAC BRD MF REVENUE",
        "value": "6518635.31",
        "weight": "0.00281521",
        "shared": true
      }
    ],
    "b_top": [
      {
        "name": "Vanguard Municipal Cash Management Fund",
        "value": "387237442.55",
        "weight": "0.02205110",
        "shared": false
      },
      {
        "name": "NUVEEN AMT-FREE MUNI",
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        "shared": false
      },
      {
        "name": "MUNIBOND",
        "value": "192117194.49",
        "weight": "0.01094005",
        "shared": false
      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Refunding Series 2025A",
        "value": "157853686.71",
        "weight": "0.00898892",
        "shared": true
      },
      {
        "name": "MUNIBOND",
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        "shared": true
      },
      {
        "name": "CA STWD CMNTYS DEV-A",
        "value": "131848979.50",
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        "shared": true
      },
      {
        "name": "MAIN STR NAT GA 4% 3/1/2050",
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        "weight": "0.00747994",
        "shared": false
      },
      {
        "name": "California (State of) Community Choice Financing Authority (Green Bonds), Series 2023 D, RB",
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        "weight": "0.00639734",
        "shared": true
      },
      {
        "name": "NUVEEN AMT-FREE QUALITY MUNICIPAL INCOME FUND",
        "value": "110740000.00",
        "weight": "0.00630605",
        "shared": false
      },
      {
        "name": "KY PUB ENERGY AUTH-A",
        "value": "110005651.60",
        "weight": "0.00626423",
        "shared": false
      },
      {
        "name": "HARRIS ED-VAR-REF-C-1",
        "value": "105400000.00",
        "weight": "0.00600197",
        "shared": false
      },
      {
        "name": "Nuveen AMT-Free Municipal Credit Income Fund",
        "value": "103700000.00",
        "weight": "0.00590516",
        "shared": false
      },
      {
        "name": "NY NY CITY HS(NEW YORK MHSG) 3.25% 2/1/30 MT 65",
        "value": "101937356.33",
        "weight": "0.00580479",
        "shared": true
      },
      {
        "name": "ALLGNY CNTY HDA 0% 11/15/2047",
        "value": "98805654.50",
        "weight": "0.00562645",
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      },
      {
        "name": "MAIN STR NAT GA 4% MT",
        "value": "94421463.00",
        "weight": "0.00537680",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 4% 07/01/2052 MT",
        "value": "92801898.76",
        "weight": "0.00528457",
        "shared": true
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      {
        "name": "RESTRUCTURED-SER A1",
        "value": "86570697.21",
        "weight": "0.00492974",
        "shared": false
      },
      {
        "name": "WI HLTH & EDUCTL-C",
        "value": "78000000.00",
        "weight": "0.00444168",
        "shared": false
      },
      {
        "name": "MN MUNI GAS AGY-A",
        "value": "76038172.70",
        "weight": "0.00432997",
        "shared": false
      },
      {
        "name": "ILLINOIS ST FIN AUTH REVENUE ILLINOIS FINANCE AUTHORITY",
        "value": "73050000.00",
        "weight": "0.00415981",
        "shared": false
      },
      {
        "name": "City of San Antonio TX",
        "value": "72994026.33",
        "weight": "0.00415662",
        "shared": false
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      {
        "name": "NY ST HSG FIN AGY D-2",
        "value": "72813523.91",
        "weight": "0.00414634",
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      },
      {
        "name": "NY ST HSG FIN AGY-C-2",
        "value": "72325562.35",
        "weight": "0.00411855",
        "shared": false
      },
      {
        "name": "LOS ANGELES DEPT-C",
        "value": "72314581.64",
        "weight": "0.00411793",
        "shared": true
      },
      {
        "name": "Black Belt Energy Gas District (The), Series 2022 B-1, RB",
        "value": "69175857.47",
        "weight": "0.00393919",
        "shared": true
      },
      {
        "name": "BLACK BELT ENER VAR MT",
        "value": "68167609.97",
        "weight": "0.00388178",
        "shared": false
      },
      {
        "name": "CALIFORNIA ST HLTH FACS FING AUTH REVENUE",
        "value": "67714576.28",
        "weight": "0.00385598",
        "shared": false
      },
      {
        "name": "BLACK BELT ENERGY GAS VAR",
        "value": "66548122.30",
        "weight": "0.00378956",
        "shared": false
      },
      {
        "name": "BLACK BELT ENERGY GAS VAR",
        "value": "66325036.79",
        "weight": "0.00377686",
        "shared": true
      },
      {
        "name": "TNDR OPT-FLTRS-XG0404",
        "value": "65900000.00",
        "weight": "0.00375265",
        "shared": false
      },
      {
        "name": "CALIFORNIA COMMUNITY VAR",
        "value": "62858630.02",
        "weight": "0.00357946",
        "shared": false
      },
      {
        "name": "HORSEHEADS CSD-BANS",
        "value": "61864682.70",
        "weight": "0.00352286",
        "shared": false
      },
      {
        "name": "PA ECON DEV FIN AUTH",
        "value": "59939916.00",
        "weight": "0.00341326",
        "shared": false
      },
      {
        "name": "MN MUNI GAS AUTH-B",
        "value": "59510785.09",
        "weight": "0.00338882",
        "shared": false
      },
      {
        "name": "JPM-PUTTERS-5099",
        "value": "59330000.00",
        "weight": "0.00337853",
        "shared": false
      },
      {
        "name": "PASADENA TX ISD 1.54% MT",
        "value": "58101474.16",
        "weight": "0.00330857",
        "shared": false
      },
      {
        "name": "TN TGYPWR 12/01/2051",
        "value": "57239112.25",
        "weight": "0.00325946",
        "shared": false
      },
      {
        "name": "TNDR OPT-FLTRS-008",
        "value": "55455000.01",
        "weight": "0.00315787",
        "shared": false
      },
      {
        "name": "NY ST HSG FIN AGY-D2",
        "value": "55400884.89",
        "weight": "0.00315478",
        "shared": false
      },
      {
        "name": "Nuveen AMT-Free Municipal Credit Income Fund, Series B",
        "value": "55315000.00",
        "weight": "0.00314989",
        "shared": false
      },
      {
        "name": "TARRANT TX EDFC 5% MT",
        "value": "54189940.00",
        "weight": "0.00308583",
        "shared": false
      },
      {
        "name": "NEW YORK ST DORM AUTH REVENUES NON ST SUPPORTED DEBT",
        "value": "54109302.68",
        "weight": "0.00308124",
        "shared": false
      },
      {
        "name": "California Community Choice Financing Authority, Series B-1",
        "value": "52859092.90",
        "weight": "0.00301004",
        "shared": true
      },
      {
        "name": "Energy Southeast Cooperative District, Alabama, Energy Supply Revenue Bonds, Series 2025B",
        "value": "52718285.04",
        "weight": "0.00300202",
        "shared": false
      },
      {
        "name": "TNDR OPT-FLTR-MS0041",
        "value": "52500000.00",
        "weight": "0.00298959",
        "shared": false
      },
      {
        "name": "GA WELLSTAR HLTH 25A L=BA V7",
        "value": "52220000.00",
        "weight": "0.00297365",
        "shared": false
      },
      {
        "name": "TN TNSUTL 05/01/2053",
        "value": "51471172.02",
        "weight": "0.00293101",
        "shared": false
      },
      {
        "name": "Harris County Cultural Education Facilities Finance Corporation, Texas, Revenue Bonds, Houston Methodist Hospital System, Series 2025F",
        "value": "50000000.00",
        "weight": "0.00284723",
        "shared": false
      },
      {
        "name": "Metropolitan Government of Nashville & Davidson County TN",
        "value": "49999915.00",
        "weight": "0.00284723",
        "shared": false
      },
      {
        "name": "TENNERGY CORP TN GAS REVENUE TENNERGY CORP/TN",
        "value": "49807353.53",
        "weight": "0.00283626",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001193125-26-130879",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/845376/000119312526130879/0001193125-26-130879-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000225997-26-000121",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/225997/000022599726000121/0000225997-26-000121-index.htm"
    }
  ]
}