{
  "page": "compare",
  "query": {
    "a": "ROM",
    "b": "IYW"
  },
  "retrieved_at": "2026-07-07T17:56:31+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": "ProShares Ultra Technology",
    "ticker": "ROM",
    "slug": "ROM",
    "series_id": "S000014260",
    "html_url": "https://fundwatcher.app/funds/ROM/"
  },
  "fund_b": {
    "name": "iShares U.S. Technology ETF",
    "ticker": "IYW",
    "slug": "IYW",
    "series_id": "S000004329",
    "html_url": "https://fundwatcher.app/funds/IYW/"
  },
  "overlap": {
    "coverage_a_by_b": "0.6274214496144622604312570671",
    "coverage_b_by_a": "0.6274214496144622604312570671",
    "shared_count": 57,
    "as_of": {
      "a": "2026-02-28",
      "b": "2026-01-31"
    },
    "a_top": [
      {
        "name": "US ULTRA BOND CBT Sep25",
        "value": "100191351.27",
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        "shared": false
      },
      {
        "name": "NVIDIA CORP",
        "value": "83105122.23",
        "weight": "0.10404791",
        "shared": true
      },
      {
        "name": "APPLE INC",
        "value": "75354703.20",
        "weight": "0.09434436",
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      },
      {
        "name": "MICROSOFT CORP",
        "value": "56349549.72",
        "weight": "0.07054984",
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      },
      {
        "name": "U.S. Treasury Bills",
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        "weight": "0.04574892",
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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",
        "value": "26185090.04",
        "weight": "0.03278383",
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      },
      {
        "name": "MICRON TECHNOLOGY INC",
        "value": "23318698.76",
        "weight": "0.02919509",
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      },
      {
        "name": "U.S. Treasury Bills",
        "value": "23232940.85",
        "weight": "0.02908773",
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      },
      {
        "name": "Repurchase Agreement",
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      },
      {
        "name": "ADV MICRO DEVICE",
        "value": "16416619.37",
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      },
      {
        "name": "PALANTIR TECHNOLOGIES INC",
        "value": "15776987.19",
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      },
      {
        "name": "CISCO SYSTEMS INC",
        "value": "15776385.70",
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      },
      {
        "name": "APPLIED MATERIALS INC",
        "value": "14941888.20",
        "weight": "0.01870730",
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      },
      {
        "name": "LAM RESEARCH CORP",
        "value": "14797518.63",
        "weight": "0.01852655",
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      },
      {
        "name": "ORACLE CORP",
        "value": "12317997.20",
        "weight": "0.01542218",
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      },
      {
        "name": "INTL BUS MACH CORP",
        "value": "11312209.53",
        "weight": "0.01416293",
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      },
      {
        "name": "INTEL CORP",
        "value": "10302614.85",
        "weight": "0.01289891",
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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",
        "value": "9011609.88",
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      },
      {
        "name": "ANALOG DEVICES INC",
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      },
      {
        "name": "QUALCOMM INC",
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      },
      {
        "name": "ARISTA NETWORKS INC",
        "value": "6945337.50",
        "weight": "0.00869559",
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      },
      {
        "name": "ACCENTURE PLC CL A",
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      },
      {
        "name": "PALO ALTO NETWORKS INC",
        "value": "5964543.84",
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      },
      {
        "name": "APPLOVIN CORP",
        "value": "5928523.72",
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      },
      {
        "name": "CORNING INC",
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      {
        "name": "INTUIT INC",
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      {
        "name": "SERVICENOW INC",
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      {
        "name": "ADOBE INC",
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      {
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      {
        "name": "SEAGATE TECHNOLOGY HOLDINGS PLC",
        "value": "4476044.00",
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      },
      {
        "name": "CADENCE DESIGN SYSTEMS INC",
        "value": "4133701.00",
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      },
      {
        "name": "MOTOROLA SOLUTIONS INC",
        "value": "4045679.14",
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      },
      {
        "name": "SYNOPSYS INC",
        "value": "3875454.00",
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      {
        "name": "TE CONNECTIVITY PLC",
        "value": "3411513.45",
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      {
        "name": "NXP SEMICONDUCTORS NV",
        "value": "2876670.72",
        "weight": "0.00360160",
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      },
      {
        "name": "MONOLITHIC POWER SYS INC",
        "value": "2755146.14",
        "weight": "0.00344945",
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      },
      {
        "name": "KEYSIGHT TECHNOLOGIES INC",
        "value": "2659941.15",
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      {
        "name": "AUTODESK INC",
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      {
        "name": "TERADYNE INC",
        "value": "2525036.70",
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      {
        "name": "FORTINET INC",
        "value": "2516157.14",
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      },
      {
        "name": "DELL TECHNOLOGIES INC CL C",
        "value": "2247854.40",
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      },
      {
        "name": "MICROCHIP TECHNOLOGY",
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        "name": "ROPER TECHNOLOGIES INC",
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    ],
    "b_top": [
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      },
      {
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      {
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      {
        "name": "META PLATFORMS INC CL A",
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      },
      {
        "name": "ALPHABET INC CL A",
        "value": "559653640.00",
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      },
      {
        "name": "ADV MICRO DEVICE",
        "value": "533677246.83",
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      },
      {
        "name": "ALPHABET INC CL C",
        "value": "456408515.71",
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      {
        "name": "PALANTIR TECHNOLOGIES INC",
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      },
      {
        "name": "LAM RESEARCH CORP",
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      },
      {
        "name": "INTL BUS MACH CORP",
        "value": "399458654.70",
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      {
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      },
      {
        "name": "APPLIED MATERIALS INC",
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      },
      {
        "name": "INTEL CORP",
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      {
        "name": "SALESFORCE INC",
        "value": "277457935.04",
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      },
      {
        "name": "TEXAS INSTRUMENTS INC",
        "value": "274232840.85",
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      },
      {
        "name": "KLA CORP",
        "value": "263019408.30",
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      },
      {
        "name": "AMPHENOL CORPORATION CL A",
        "value": "246097717.04",
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      {
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      {
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      {
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      {
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      {
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      {
        "name": "PALO ALTO NETWORKS INC",
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      {
        "name": "BlackRock Cash Funds: Institutional, SL Agency Shares",
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      {
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        "name": "SYNOPSYS INC",
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      {
        "name": "WESTERN DIGITAL CORP",
        "value": "119174790.03",
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      {
        "name": "CADENCE DESIGN SYSTEMS INC",
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      {
        "name": "CORNING INC",
        "value": "112843680.25",
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      },
      {
        "name": "SANDISK CORPORATION",
        "value": "108783322.50",
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      {
        "name": "DOORDASH INC-A",
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      {
        "name": "VERTIV HOLDINGS CO",
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      {
        "name": "MARVELL TECHNOLOGY INC",
        "value": "95500539.56",
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      {
        "name": "SNOWFLAKE INC CL A",
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      {
        "name": "CLOUDFLARE INC-A",
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        "name": "AUTODESK INC",
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      {
        "name": "MONOLITHIC POWER SYS INC",
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      {
        "name": "FORTINET INC",
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      {
        "name": "DATADOG INC CL A",
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      {
        "name": "STRATEGY INC CL A",
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      {
        "name": "MICROCHIP TECHNOLOGY",
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        "name": "ROPER TECHNOLOGIES INC",
        "value": "55791414.24",
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      },
      {
        "name": "COGNIZANT TECH SOLUTIONS CL A",
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      },
      {
        "name": "WORKDAY INC CL A",
        "value": "52898877.85",
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      },
      {
        "name": "TERADYNE INC",
        "value": "52838401.05",
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      },
      {
        "name": "DELL TECHNOLOGIES INC CL C",
        "value": "51028567.12",
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      },
      {
        "name": "COHERENT CORP",
        "value": "46140662.80",
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    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "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"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001004726-26-001887",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1100663/000100472626001887/0001004726-26-001887-index.htm"
    }
  ]
}