{
  "page": "compare",
  "query": {
    "a": "VB",
    "b": "FZIPX"
  },
  "retrieved_at": "2026-07-07T18:42:57+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": "VANGUARD SMALL-CAP INDEX FUND",
    "ticker": "VB",
    "slug": "VB",
    "series_id": "S000002845",
    "html_url": "https://fundwatcher.app/funds/VB/"
  },
  "fund_b": {
    "name": "Fidelity ZERO Extended Market Index Fund",
    "ticker": "FZIPX",
    "slug": "FZIPX",
    "series_id": "S000063103",
    "html_url": "https://fundwatcher.app/funds/FZIPX/"
  },
  "overlap": {
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    "coverage_b_by_a": "0.6978637382863522356594350018",
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    "as_of": {
      "a": "2026-03-31",
      "b": "2026-01-31"
    },
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        "name": "Vanguard Market Liquidity Fund",
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      },
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        "name": "EMCOR GROUP INC",
        "value": "758128455.33",
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      },
      {
        "name": "NRG ENERGY INC",
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      },
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        "name": "ATMOS ENERGY CORP",
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      },
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        "name": "TAPESTRY INC",
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        "name": "TECHNIPFMC PLC",
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      {
        "name": "CIENA CORP",
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      },
      {
        "name": "CASEY'S GENERAL",
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      },
      {
        "name": "JABIL INC",
        "value": "614424502.92",
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      {
        "name": "NATERA INC",
        "value": "610894253.76",
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      },
      {
        "name": "EXPAND ENERGY CORP",
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      },
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        "name": "UNITED THERAPEUTICS CORP DEL",
        "value": "599248391.58",
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      },
      {
        "name": "FTAI AVIATION LT",
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      },
      {
        "name": "CURTISS WRIGHT CORPORATION",
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      },
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        "name": "LUMENTUM HOLDINGS INC",
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        "name": "COMFORT SYSTEMS USA INC",
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        "name": "FLEX LTD",
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      {
        "name": "OMNICOM GROUP INC",
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        "name": "COHERENT CORP",
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        "name": "WILLIAMS-SONOMA INC",
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        "name": "AST SPACEMOBILE INC",
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        "name": "ALBEMARLE CORP",
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        "name": "SMURFIT WESTROCK",
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        "name": "MASTEC INC",
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      {
        "name": "SOFI TECHNOLOGIES INC A",
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      {
        "name": "CF INDUSTRIES HOLDINGS INC",
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      {
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      {
        "name": "EQT CORPORATION",
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      {
        "name": "CH ROBINSON WORLDWIDE INC",
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        "name": "BUNGE GLOBAL SA",
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        "name": "TWILIO INC CLASS A",
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        "name": "LIBERTY MEDIA CORP LIBERTY FORMULA ONE CL C",
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      {
        "name": "DUPONT DE NEMOURS INC",
        "value": "431866474.20",
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        "name": "PURE STORAGE INC CL A",
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        "name": "REVOLUTION MEDICINES INC",
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        "name": "ROCKET LAB CORP",
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        "name": "BLOOM ENERGY CORP CL A",
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        "name": "ILLUMINA INC",
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      {
        "name": "ENTEGRIS INC",
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      {
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    ],
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        "name": "SANDISK CORPORATION",
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      {
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      {
        "name": "BLOOM ENERGY CORP CL A",
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      {
        "name": "EMCOR GROUP INC",
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        "name": "SOFI TECHNOLOGIES INC A",
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      {
        "name": "FTAI AVIATION LTD",
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      {
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      {
        "name": "REDDIT INC-A",
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        "name": "UNITED THERAPEUTICS CORP DEL",
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      {
        "name": "NVENT ELECTRIC PLC",
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      {
        "name": "Fidelity Cash Central Fund",
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      {
        "name": "LOEWS CORP",
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        "name": "KRATOS DEFENSE and SEC SOLTN INC",
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        "name": "JONES LANG LASALLE INC",
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      {
        "name": "INCYTE CORP",
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      {
        "name": "ATI INC",
        "value": "5068359.30",
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      {
        "name": "TALEN ENERGY CORP",
        "value": "4936609.56",
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      },
      {
        "name": "CARPENTER TECHNOLOGY CORP",
        "value": "4910155.67",
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      {
        "name": "MKS INSTRUMENTS INC",
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    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000036405-26-000319",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/36405/000003640526000319/0000036405-26-000319-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000035402-26-002124",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/819118/000003540226002124/0000035402-26-002124-index.htm"
    }
  ]
}