{
  "page": "compare",
  "query": {
    "a": "IGM",
    "b": "PRSCX"
  },
  "retrieved_at": "2026-07-07T18:46:01+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": "iShares Expanded Tech Sector ETF",
    "ticker": "IGM",
    "slug": "IGM",
    "series_id": "S000004352",
    "html_url": "https://fundwatcher.app/funds/IGM/"
  },
  "fund_b": {
    "name": "T. Rowe Price Science & Technology Fund, Inc.",
    "ticker": "PRSCX",
    "slug": "PRSCX",
    "series_id": "S000002119",
    "html_url": "https://fundwatcher.app/funds/PRSCX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.7423478294279440582133505051",
    "coverage_b_by_a": "0.7423478294279440582133505051",
    "shared_count": 75,
    "as_of": {
      "a": "2026-03-31",
      "b": "2026-03-31"
    },
    "a_top": [
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        "name": "APPLE INC",
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      },
      {
        "name": "NVIDIA CORP",
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      },
      {
        "name": "MICROSOFT CORP",
        "value": "638303009.67",
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      },
      {
        "name": "BROADCOM INC",
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      },
      {
        "name": "ALPHABET INC CL A",
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      },
      {
        "name": "META PLATFORMS INC CL A",
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      {
        "name": "ALPHABET INC CL C",
        "value": "289163198.94",
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      },
      {
        "name": "NETFLIX INC",
        "value": "207598138.05",
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      },
      {
        "name": "MICRON TECHNOLOGY INC",
        "value": "194442798.48",
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      {
        "name": "PALANTIR TECHNOLOGIES INC",
        "value": "170876396.88",
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      },
      {
        "name": "ADV MICRO DEVICE",
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      },
      {
        "name": "CISCO SYSTEMS INC",
        "value": "156767646.58",
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      },
      {
        "name": "APPLIED MATERIALS INC",
        "value": "138729143.10",
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      },
      {
        "name": "LAM RESEARCH CORP",
        "value": "136441139.40",
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      },
      {
        "name": "ORACLE CORP",
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      },
      {
        "name": "INTL BUS MACH CORP",
        "value": "115861692.83",
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      },
      {
        "name": "INTEL CORP",
        "value": "105950657.88",
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      {
        "name": "KLA CORP",
        "value": "98698587.12",
        "weight": "0.01256790",
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      },
      {
        "name": "BlackRock Cash Funds: Institutional, SL Agency Shares",
        "value": "97825371.23",
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      },
      {
        "name": "TEXAS INSTRUMENTS INC",
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      },
      {
        "name": "SALESFORCE INC",
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      {
        "name": "ANALOG DEVICES INC",
        "value": "79494278.08",
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      },
      {
        "name": "AMPHENOL CORPORATION CL A",
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      {
        "name": "SHOPIFY INC CL A",
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      {
        "name": "QUALCOMM INC",
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      },
      {
        "name": "PALO ALTO NETWORKS INC",
        "value": "66226909.44",
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      },
      {
        "name": "ARISTA NETWORKS INC",
        "value": "64834347.34",
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      },
      {
        "name": "ACCENTURE PLC CL A",
        "value": "62393733.11",
        "weight": "0.00794498",
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      },
      {
        "name": "INTUIT INC",
        "value": "61526376.86",
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      {
        "name": "SERVICENOW INC",
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      },
      {
        "name": "APPLOVIN CORP",
        "value": "55154442.00",
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      {
        "name": "CORNING INC",
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      {
        "name": "ADOBE INC",
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      {
        "name": "CROWDSTRIKE HOLDINGS INC",
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        "name": "WESTERN DIGITAL CORP",
        "value": "46897826.69",
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      {
        "name": "MARVELL TECHNOLOGY INC",
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      {
        "name": "SEAGATE TECHNOLOGY HOLDINGS PLC",
        "value": "43688291.68",
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      {
        "name": "SYNOPSYS INC",
        "value": "38786845.44",
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      {
        "name": "CADENCE DESIGN SYSTEMS INC",
        "value": "38679504.00",
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      },
      {
        "name": "MOTOROLA SOLUTIONS INC",
        "value": "36761598.70",
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      {
        "name": "CLOUDFLARE INC-A",
        "value": "33481966.44",
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      },
      {
        "name": "TE CONNECTIVITY PLC",
        "value": "31363660.02",
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      {
        "name": "CIENA CORP",
        "value": "27964206.90",
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      {
        "name": "MONOLITHIC POWER SYS INC",
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      {
        "name": "FORTINET INC",
        "value": "26414845.92",
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      {
        "name": "SNOWFLAKE INC CL A",
        "value": "26391086.88",
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      {
        "name": "AUTODESK INC",
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      {
        "name": "LUMENTUM HOLDINGS INC",
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      {
        "name": "NXP SEMICONDUCTORS NV",
        "value": "25336472.58",
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    ],
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      {
        "name": "MICROSOFT CORP",
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      {
        "name": "T Rowe Price Government Reserve Investment Fund",
        "value": "766596601.70",
        "weight": "0.07130679",
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      },
      {
        "name": "ALPHABET INC CL A",
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        "weight": "0.04628438",
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      },
      {
        "name": "ALPHABET INC CL C",
        "value": "403920968.22",
        "weight": "0.03757166",
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      },
      {
        "name": "META PLATFORMS INC CL A",
        "value": "364398178.95",
        "weight": "0.03389536",
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      },
      {
        "name": "CISCO SYSTEMS INC",
        "value": "290895151.88",
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      },
      {
        "name": "ADV MICRO DEVICE",
        "value": "262526415.00",
        "weight": "0.02441951",
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      },
      {
        "name": "MICRON TECHNOLOGY INC",
        "value": "242839392.00",
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      },
      {
        "name": "PALANTIR TECHNOLOGIES INC",
        "value": "242693148.00",
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      },
      {
        "name": "LAM RESEARCH CORP",
        "value": "179025714.00",
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      },
      {
        "name": "ORACLE CORP",
        "value": "156719225.20",
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      },
      {
        "name": "INTL BUS MACH CORP",
        "value": "155022948.40",
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      {
        "name": "TSMC",
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      {
        "name": "APPLIED MATERIALS INC",
        "value": "147995070.00",
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      },
      {
        "name": "INTEL CORP",
        "value": "147451569.00",
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      {
        "name": "ARISTA NETWORKS INC",
        "value": "117883533.60",
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      },
      {
        "name": "CIENA CORP",
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      {
        "name": "AMPHENOL CORPORATION CL A",
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      {
        "name": "LUMENTUM HOLDINGS INC",
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      {
        "name": "SANDISK CORPORATION",
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      {
        "name": "MOTOROLA SOLUTIONS INC",
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      {
        "name": "SHOPIFY INC CL A",
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      },
      {
        "name": "SALESFORCE INC",
        "value": "89881605.00",
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      },
      {
        "name": "KLA CORP",
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      },
      {
        "name": "WESTERN DIGITAL CORP",
        "value": "84582223.00",
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      },
      {
        "name": "VERIZON COMMUNICATIONS INC",
        "value": "79461580.00",
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      },
      {
        "name": "CORNING INC",
        "value": "76848340.42",
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      },
      {
        "name": "MARVELL TECHNOLOGY INC",
        "value": "74515315.00",
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      {
        "name": "CLOUDFLARE INC-A",
        "value": "64295544.00",
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      },
      {
        "name": "TERADYNE INC",
        "value": "64094652.00",
        "weight": "0.00596192",
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      },
      {
        "name": "ANALOG DEVICES INC",
        "value": "57742410.00",
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      {
        "name": "LATTICE SEMICONDUCTOR CORP",
        "value": "56898984.00",
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      },
      {
        "name": "KEYSIGHT TECHNOLOGIES INC",
        "value": "52831427.00",
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      },
      {
        "name": "WAYMO LLC SER A-2 CVT PFD UNITS PP",
        "value": "50325072.34",
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      {
        "name": "ANTHROPIC PBC SER F-1 CVT PFD PP",
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      },
      {
        "name": "KIOXIA HOLDINGS",
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      },
      {
        "name": "AESTAS LLC dba OPENAI LLC EV UNITS Class A",
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      },
      {
        "name": "MKS INSTRUMENTS INC",
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      },
      {
        "name": "MONOLITHIC POWER SYS INC",
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      },
      {
        "name": "TREASURY RESERVE FUND - Collateral",
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      {
        "name": "CROWDSTRIKE HOLDINGS INC",
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      },
      {
        "name": "SAMSUNG ELECTRONICS CO LTD",
        "value": "43315247.80",
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      },
      {
        "name": "SEAGATE TECHNOLOGY HOLDINGS PLC",
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      },
      {
        "name": "JABIL INC",
        "value": "41411717.00",
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      },
      {
        "name": "SK HYNIX INC",
        "value": "37923252.42",
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      },
      {
        "name": "INTERDIGITAL INC",
        "value": "37601416.00",
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      },
      {
        "name": "APPLOVIN CORP",
        "value": "37587120.00",
        "weight": "0.00349625",
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    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0002071691-26-012488",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1100663/000207169126012488/0002071691-26-012488-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001099263-26-006576",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/819930/000109926326006576/0001099263-26-006576-index.htm"
    }
  ]
}