{
  "page": "compare",
  "query": {
    "a": "UAPIX",
    "b": "VRTIX"
  },
  "retrieved_at": "2026-07-07T17:32:46+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": "ULTRA SMALL CAP PROFUND",
    "ticker": "UAPIX",
    "slug": "UAPIX",
    "series_id": "S000003064",
    "html_url": "https://fundwatcher.app/funds/UAPIX/"
  },
  "fund_b": {
    "name": "VANGUARD RUSSELL 2000 INDEX FUND",
    "ticker": "VRTIX",
    "slug": "VRTIX",
    "series_id": "S000030003",
    "html_url": "https://fundwatcher.app/funds/VRTIX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.6334970019326702805615832110",
    "coverage_b_by_a": "0.6334970019326702805615832111",
    "shared_count": 1892,
    "as_of": {
      "a": "2026-04-30",
      "b": "2026-02-28"
    },
    "a_top": [
      {
        "name": "US ULTRA BOND CBT Sep25",
        "value": "19619549.39",
        "weight": "0.34171594",
        "shared": false
      },
      {
        "name": "ZCS BRL 14.0087 05/12/25-01/04/27 CME",
        "value": "822955.59",
        "weight": "0.01433351",
        "shared": false
      },
      {
        "name": "BLOOM ENERGY CORP CL A",
        "value": "699049.12",
        "weight": "0.01217542",
        "shared": true
      },
      {
        "name": "CREDO TECHNOLOGY",
        "value": "317046.22",
        "weight": "0.00552203",
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      },
      {
        "name": "FABRINET",
        "value": "278855.76",
        "weight": "0.00485686",
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      },
      {
        "name": "COEUR MINING INC",
        "value": "207086.28",
        "weight": "0.00360685",
        "shared": true
      },
      {
        "name": "NEXTRACKER INC CL A",
        "value": "196087.98",
        "weight": "0.00341529",
        "shared": true
      },
      {
        "name": "ECHOSTAR CORP CL A",
        "value": "188281.06",
        "weight": "0.00327931",
        "shared": true
      },
      {
        "name": "TTM TECHNOLOGIES INC",
        "value": "182744.10",
        "weight": "0.00318287",
        "shared": true
      },
      {
        "name": "IONQ INC",
        "value": "175607.04",
        "weight": "0.00305857",
        "shared": true
      },
      {
        "name": "STERLING INFRASTRUCTURE INC",
        "value": "172732.70",
        "weight": "0.00300851",
        "shared": true
      },
      {
        "name": "ADV ENERGY INDS",
        "value": "163545.66",
        "weight": "0.00284849",
        "shared": true
      },
      {
        "name": "MODINE MFG CO",
        "value": "150486.33",
        "weight": "0.00262104",
        "shared": true
      },
      {
        "name": "SITIME CORP",
        "value": "142786.10",
        "weight": "0.00248692",
        "shared": true
      },
      {
        "name": "RAMBUS INC",
        "value": "140088.87",
        "weight": "0.00243994",
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      },
      {
        "name": "VIAVI SOLUTIONS INC",
        "value": "136292.40",
        "weight": "0.00237382",
        "shared": true
      },
      {
        "name": "DYCOM INDUSTRIES INC",
        "value": "135824.80",
        "weight": "0.00236568",
        "shared": true
      },
      {
        "name": "SANMINA CORP",
        "value": "131127.64",
        "weight": "0.00228387",
        "shared": true
      },
      {
        "name": "HECLA MINING CO",
        "value": "129311.52",
        "weight": "0.00225223",
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      },
      {
        "name": "KRATOS DEFENSE and SEC SOLTN INC",
        "value": "128748.10",
        "weight": "0.00224242",
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      },
      {
        "name": "BRIDGEBIO PHARMA INC",
        "value": "127215.79",
        "weight": "0.00221573",
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      },
      {
        "name": "APPLIED OPTOELECTRONICS INC",
        "value": "122448.20",
        "weight": "0.00213269",
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      },
      {
        "name": "GUARDANT HEALTH INC",
        "value": "121912.00",
        "weight": "0.00212336",
        "shared": true
      },
      {
        "name": "FORMFACTOR INC",
        "value": "119482.47",
        "weight": "0.00208104",
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      },
      {
        "name": "SPX TECHNOLOGIES INC",
        "value": "119087.04",
        "weight": "0.00207415",
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      },
      {
        "name": "ENSIGN GROUP INC",
        "value": "118174.77",
        "weight": "0.00205826",
        "shared": true
      },
      {
        "name": "PLANET LABS PBC A",
        "value": "112980.32",
        "weight": "0.00196779",
        "shared": true
      },
      {
        "name": "ARROWHEAD PHARMACEUTICALS INC",
        "value": "112057.00",
        "weight": "0.00195171",
        "shared": true
      },
      {
        "name": "PRIMORIS SVCS CORP",
        "value": "110501.50",
        "weight": "0.00192462",
        "shared": true
      },
      {
        "name": "SEMTECH CORP",
        "value": "110302.50",
        "weight": "0.00192115",
        "shared": true
      },
      {
        "name": "CHART INDUSTRIES INC",
        "value": "105821.10",
        "weight": "0.00184310",
        "shared": true
      },
      {
        "name": "UMB FINANCIAL CORP",
        "value": "103333.23",
        "weight": "0.00179977",
        "shared": true
      },
      {
        "name": "AMERICAN HEALTHCARE REIT INC",
        "value": "102372.48",
        "weight": "0.00178303",
        "shared": true
      },
      {
        "name": "ARGAN INC",
        "value": "101166.98",
        "weight": "0.00176204",
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      },
      {
        "name": "CARETRUST REIT INC",
        "value": "100005.75",
        "weight": "0.00174181",
        "shared": true
      },
      {
        "name": "MADRIGAL PHARMACEUTICALS INC",
        "value": "99856.27",
        "weight": "0.00173921",
        "shared": true
      },
      {
        "name": "OKLO INC",
        "value": "99760.00",
        "weight": "0.00173753",
        "shared": true
      },
      {
        "name": "FIRSTCASH HOLDINGS INC",
        "value": "97544.34",
        "weight": "0.00169894",
        "shared": true
      },
      {
        "name": "AXSOME THERAPEUTICS INC",
        "value": "97227.00",
        "weight": "0.00169341",
        "shared": true
      },
      {
        "name": "FLUOR CORP",
        "value": "96883.60",
        "weight": "0.00168743",
        "shared": true
      },
      {
        "name": "MOOG INC-CLASS A",
        "value": "95515.27",
        "weight": "0.00166360",
        "shared": true
      },
      {
        "name": "LUMEN TECHNOLOGIES INC",
        "value": "95118.40",
        "weight": "0.00165669",
        "shared": true
      },
      {
        "name": "ESCO TECHNOLOGIES INC",
        "value": "94917.35",
        "weight": "0.00165319",
        "shared": true
      },
      {
        "name": "OLD NATL BANCORP",
        "value": "94705.47",
        "weight": "0.00164950",
        "shared": true
      },
      {
        "name": "PRAXIS PRECISION MEDICINES INC",
        "value": "92779.53",
        "weight": "0.00161595",
        "shared": true
      },
      {
        "name": "WATTS WATER TECH INC CL A",
        "value": "92749.44",
        "weight": "0.00161543",
        "shared": true
      },
      {
        "name": "VIASAT INC",
        "value": "91878.54",
        "weight": "0.00160026",
        "shared": true
      },
      {
        "name": "APPLIED DIGITAL CORP",
        "value": "91824.25",
        "weight": "0.00159931",
        "shared": true
      },
      {
        "name": "GLAUKOS CORP",
        "value": "90512.10",
        "weight": "0.00157646",
        "shared": true
      },
      {
        "name": "POWELL INDUSTRIES INC",
        "value": "89558.21",
        "weight": "0.00155985",
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      }
    ],
    "b_top": [
      {
        "name": "Vanguard Market Liquidity Fund",
        "value": "276712407.99",
        "weight": "0.01796230",
        "shared": false
      },
      {
        "name": "BLOOM ENERGY CORP CL A",
        "value": "168709386.21",
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      },
      {
        "name": "FABRINET",
        "value": "97712511.66",
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      },
      {
        "name": "COEUR MINING INC",
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      },
      {
        "name": "CREDO TECHNOLOGY",
        "value": "85378079.17",
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      },
      {
        "name": "HECLA MINING CO",
        "value": "78495769.25",
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      },
      {
        "name": "ECHOSTAR CORP CL A",
        "value": "77657417.52",
        "weight": "0.00504100",
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      },
      {
        "name": "NEXTRACKER INC CL A",
        "value": "76017989.20",
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      },
      {
        "name": "KRATOS DEFENSE and SEC SOLTN INC",
        "value": "71228717.98",
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      },
      {
        "name": "IONQ INC",
        "value": "64360495.05",
        "weight": "0.00417785",
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      },
      {
        "name": "STERLING INFRASTRUCTURE INC",
        "value": "63315717.57",
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      },
      {
        "name": "ADV ENERGY INDS",
        "value": "62712328.31",
        "weight": "0.00407086",
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      },
      {
        "name": "ENSIGN GROUP INC",
        "value": "59632852.29",
        "weight": "0.00387096",
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      },
      {
        "name": "MODINE MFG CO",
        "value": "59036368.50",
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      },
      {
        "name": "DYCOM INDUSTRIES INC",
        "value": "58362199.02",
        "weight": "0.00378848",
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      },
      {
        "name": "GUARDANT HEALTH INC",
        "value": "56533903.50",
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      },
      {
        "name": "SPX TECHNOLOGIES INC",
        "value": "54249780.06",
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      },
      {
        "name": "RAMBUS INC",
        "value": "53306938.08",
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      },
      {
        "name": "TTM TECHNOLOGIES INC",
        "value": "52894920.16",
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      },
      {
        "name": "BRIDGEBIO PHARMA INC",
        "value": "52271163.12",
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      },
      {
        "name": "AEROVIRONMENT INC",
        "value": "47294100.25",
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      },
      {
        "name": "INTERDIGITAL INC",
        "value": "47065017.71",
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      },
      {
        "name": "MOOG INC-CLASS A",
        "value": "47055288.36",
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      },
      {
        "name": "CHART INDUSTRIES INC",
        "value": "46480391.40",
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      },
      {
        "name": "CARETRUST REIT INC",
        "value": "45264125.22",
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      },
      {
        "name": "WATTS WATER TECH INC CL A",
        "value": "44758608.48",
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      {
        "name": "AMERICAN HEALTHCARE REIT INC",
        "value": "43792112.88",
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      },
      {
        "name": "SITIME CORP",
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      },
      {
        "name": "FLUOR CORP",
        "value": "41757817.56",
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      },
      {
        "name": "UMB FINANCIAL CORP",
        "value": "41743568.28",
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      },
      {
        "name": "ARROWHEAD PHARMACEUTICALS INC",
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      },
      {
        "name": "PRAXIS PRECISION MEDICINES INC",
        "value": "41010088.50",
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      },
      {
        "name": "COMMERCIAL METALS CO",
        "value": "40459474.30",
        "weight": "0.00262636",
        "shared": true
      },
      {
        "name": "PRIMORIS SVCS CORP",
        "value": "40428680.64",
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      },
      {
        "name": "SANMINA CORP",
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      },
      {
        "name": "OLD NATL BANCORP",
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      },
      {
        "name": "JOHN BEAN TECHNOLOGIES CORP",
        "value": "39878300.00",
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      },
      {
        "name": "MADRIGAL PHARMACEUTICALS INC",
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      },
      {
        "name": "SEMTECH CORP",
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      },
      {
        "name": "TEREX CORP",
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      },
      {
        "name": "FORMFACTOR INC",
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      {
        "name": "VAXCYTE INC",
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      },
      {
        "name": "ZURN ELKAY WATER SOLUTIONS CORP",
        "value": "37986778.38",
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      },
      {
        "name": "FIRSTCASH HOLDINGS INC",
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      {
        "name": "INSTALLED BUILDING PRODUCTS INC",
        "value": "37683550.48",
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      },
      {
        "name": "JACKSON FINANCIAL INC",
        "value": "37587549.44",
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      },
      {
        "name": "URANIUM ENERGY CORP",
        "value": "36267668.01",
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      },
      {
        "name": "CYTOKINETICS INC",
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      },
      {
        "name": "ESCO TECHNOLOGIES INC",
        "value": "35732143.98",
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      },
      {
        "name": "FED SIGNAL CORP",
        "value": "34668429.66",
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      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000910472-26-009381",
      "as_of": "2026-04-30",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1039803/000091047226009381/0000910472-26-009381-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001021882-26-000275",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1021882/000102188226000275/0001021882-26-000275-index.htm"
    }
  ]
}