{
  "page": "compare",
  "query": {
    "a": "VITAX",
    "b": "ROM"
  },
  "retrieved_at": "2026-07-07T17:51:49+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 INFORMATION TECHNOLOGY INDEX FUND",
    "ticker": "VITAX",
    "slug": "VITAX",
    "series_id": "S000004452",
    "html_url": "https://fundwatcher.app/funds/VITAX/"
  },
  "fund_b": {
    "name": "ProShares Ultra Technology",
    "ticker": "ROM",
    "slug": "ROM",
    "series_id": "S000014260",
    "html_url": "https://fundwatcher.app/funds/ROM/"
  },
  "overlap": {
    "coverage_a_by_b": "0.6375787848638588960834828056",
    "coverage_b_by_a": "0.6375787848638588960834828056",
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    "as_of": {
      "a": "2026-02-28",
      "b": "2026-02-28"
    },
    "a_top": [
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        "name": "NVIDIA CORP",
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      },
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        "name": "APPLE INC",
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      },
      {
        "name": "MICROSOFT CORP",
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      },
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        "name": "MICRON TECHNOLOGY INC",
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      },
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        "name": "CISCO SYSTEMS INC",
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      },
      {
        "name": "APPLIED MATERIALS INC",
        "value": "2052267264.60",
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      },
      {
        "name": "LAM RESEARCH CORP",
        "value": "2022576405.06",
        "weight": "0.01566355",
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      },
      {
        "name": "PALANTIR TECHNOLOGIES INC",
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      },
      {
        "name": "ORACLE CORP",
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      },
      {
        "name": "INTL BUS MACH CORP",
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      },
      {
        "name": "KLA CORP",
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      {
        "name": "INTEL CORP",
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        "name": "TEXAS INSTRUMENTS INC",
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        "name": "ANALOG DEVICES INC",
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      },
      {
        "name": "SALESFORCE INC",
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      },
      {
        "name": "AMPHENOL CORPORATION CL A",
        "value": "1227944823.56",
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      },
      {
        "name": "QUALCOMM INC",
        "value": "1053752848.44",
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      },
      {
        "name": "ARISTA NETWORKS INC",
        "value": "985212912.00",
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      {
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        "name": "PALO ALTO NETWORKS INC",
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      {
        "name": "SANDISK CORPORATION",
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        "name": "WESTERN DIGITAL CORP",
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      {
        "name": "INTUIT INC",
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      {
        "name": "ADOBE INC",
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      },
      {
        "name": "SERVICENOW INC",
        "value": "764200884.79",
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      },
      {
        "name": "SEAGATE TECHNOLO",
        "value": "715837913.12",
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      },
      {
        "name": "APPLOVIN CORP",
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      {
        "name": "CROWDSTRIKE HOLDINGS INC",
        "value": "655853933.14",
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      },
      {
        "name": "LUMENTUM HOLDINGS INC",
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      {
        "name": "MOTOROLA SOLUTIONS INC",
        "value": "623319120.96",
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      {
        "name": "CADENCE DESIGN SYSTEMS INC",
        "value": "609744256.00",
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      {
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        "value": "577881900.00",
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      {
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      {
        "name": "TE CONNECTIVITY",
        "value": "531310481.00",
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      },
      {
        "name": "TERADYNE INC",
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      },
      {
        "name": "KEYSIGHT TECHNOLOGIES INC",
        "value": "523367930.83",
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      {
        "name": "CIENA CORP",
        "value": "505622671.40",
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      },
      {
        "name": "NXP SEMICONDUCTO",
        "value": "477535511.88",
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      },
      {
        "name": "MONOLITHIC POWER SYS INC",
        "value": "461996069.12",
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      {
        "name": "COHERENT CORP",
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      {
        "name": "FORTINET INC",
        "value": "422249861.18",
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      {
        "name": "AUTODESK INC",
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      {
        "name": "CLOUDFLARE INC-A",
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      },
      {
        "name": "Vanguard Market Liquidity Fund",
        "value": "413400018.66",
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      },
      {
        "name": "SNOWFLAKE INC CL A",
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      {
        "name": "DELL TECHNOLOGIES INC CL C",
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      {
        "name": "MICROCHIP TECHNOLOGY",
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    ],
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      {
        "name": "US ULTRA BOND CBT Sep25",
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      },
      {
        "name": "NVIDIA CORP",
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      {
        "name": "MICROSOFT CORP",
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      {
        "name": "ProShares GENIUS Money Market ETF",
        "value": "30033000.00",
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      },
      {
        "name": "BROADCOM INC",
        "value": "29126343.40",
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      {
        "name": "WIB 0 03/19/26",
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      {
        "name": "MICRON TECHNOLOGY INC",
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      {
        "name": "U.S. Treasury Bills",
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      {
        "name": "Repurchase Agreement",
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      },
      {
        "name": "ADV MICRO DEVICE",
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      },
      {
        "name": "PALANTIR TECHNOLOGIES INC",
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      {
        "name": "CISCO SYSTEMS INC",
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      {
        "name": "APPLIED MATERIALS INC",
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      },
      {
        "name": "LAM RESEARCH CORP",
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      },
      {
        "name": "ORACLE CORP",
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      },
      {
        "name": "INTL BUS MACH CORP",
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      {
        "name": "INTEL CORP",
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      {
        "name": "KLA CORP",
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      {
        "name": "TEXAS INSTRUMENTS INC",
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      {
        "name": "SALESFORCE INC",
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      {
        "name": "AMPHENOL CORPORATION CL A",
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      {
        "name": "ANALOG DEVICES INC",
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      {
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      {
        "name": "ARISTA NETWORKS INC",
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      },
      {
        "name": "ACCENTURE PLC CL A",
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      {
        "name": "PALO ALTO NETWORKS INC",
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      },
      {
        "name": "APPLOVIN CORP",
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      {
        "name": "CORNING INC",
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      {
        "name": "INTUIT INC",
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      },
      {
        "name": "SERVICENOW INC",
        "value": "5643306.48",
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      },
      {
        "name": "ADOBE INC",
        "value": "5534226.90",
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      },
      {
        "name": "WESTERN DIGITAL CORP",
        "value": "4813916.70",
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      },
      {
        "name": "SANDISK CORPORATION",
        "value": "4739785.60",
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      {
        "name": "CROWDSTRIKE HOLDINGS INC",
        "value": "4704803.04",
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      },
      {
        "name": "SEAGATE TECHNOLOGY HOLDINGS PLC",
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      },
      {
        "name": "CADENCE DESIGN SYSTEMS INC",
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      {
        "name": "MOTOROLA SOLUTIONS INC",
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      {
        "name": "SYNOPSYS INC",
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      },
      {
        "name": "TE CONNECTIVITY PLC",
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      {
        "name": "NXP SEMICONDUCTORS NV",
        "value": "2876670.72",
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      },
      {
        "name": "MONOLITHIC POWER SYS INC",
        "value": "2755146.14",
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      {
        "name": "KEYSIGHT TECHNOLOGIES INC",
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      {
        "name": "AUTODESK INC",
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      },
      {
        "name": "TERADYNE INC",
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      },
      {
        "name": "FORTINET INC",
        "value": "2516157.14",
        "weight": "0.00315024",
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      },
      {
        "name": "DELL TECHNOLOGIES INC CL C",
        "value": "2247854.40",
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      },
      {
        "name": "MICROCHIP TECHNOLOGY",
        "value": "2032074.00",
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      },
      {
        "name": "ROPER TECHNOLOGIES INC",
        "value": "1895186.87",
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    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000052848-26-000413",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/52848/000005284826000413/0000052848-26-000413-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0002071691-26-009282",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1174610/000207169126009282/0002071691-26-009282-index.htm"
    }
  ]
}