{
  "page": "compare",
  "query": {
    "a": "IDAT",
    "b": "FELAX"
  },
  "retrieved_at": "2026-07-07T18:18:03+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 Future Cloud 5G and Tech ETF",
    "ticker": "IDAT",
    "slug": "IDAT",
    "series_id": "S000065014",
    "html_url": "https://fundwatcher.app/funds/IDAT/"
  },
  "fund_b": {
    "name": "Fidelity Advisor Semiconductors Fund",
    "ticker": "FELAX",
    "slug": "FELAX",
    "series_id": "S000005327",
    "html_url": "https://fundwatcher.app/funds/FELAX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.1784071657643830925017348492",
    "coverage_b_by_a": "0.1784071657643830925017348493",
    "shared_count": 7,
    "as_of": {
      "a": "2025-07-31",
      "b": "2026-01-31"
    },
    "a_top": [
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        "name": "SEAGATE TECHNOLOGY HOLDINGS PLC",
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      },
      {
        "name": "BROADCOM INC",
        "value": "337167.60",
        "weight": "0.03821021",
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      },
      {
        "name": "SUPER MICRO COMPUTER INC",
        "value": "322683.84",
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      },
      {
        "name": "ADV MICRO DEVICE",
        "value": "285269.58",
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      },
      {
        "name": "CORNING INC",
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      {
        "name": "NVIDIA CORP",
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      {
        "name": "CIENA CORP",
        "value": "265708.08",
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      },
      {
        "name": "VERTIV HOLDINGS CO",
        "value": "243734.40",
        "weight": "0.02762170",
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      },
      {
        "name": "NUTANIX INC CL A",
        "value": "243174.95",
        "weight": "0.02755830",
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      },
      {
        "name": "ARISTA NETWORKS INC",
        "value": "241387.98",
        "weight": "0.02735578",
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      },
      {
        "name": "WESTERN DIGITAL CORP",
        "value": "240476.64",
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      },
      {
        "name": "INFINEON TECH",
        "value": "238723.48",
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      {
        "name": "MEDIATEK",
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      {
        "name": "MICRON TECHNOLOGY INC",
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      {
        "name": "CROWN CASTLE INC",
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      {
        "name": "AMERICAN TOWER CORP",
        "value": "218809.50",
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      {
        "name": "QORVO INC",
        "value": "218446.80",
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      {
        "name": "SBA COMMUNICATIONS CORP",
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        "name": "CELLNEX TELECOM",
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        "name": "INTEL CORP",
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      {
        "name": "PURE STORAGE INC CL A",
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        "name": "NOKIA OYJ",
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      {
        "name": "QUALCOMM INC",
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      {
        "name": "MURATA MFG CO",
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      {
        "name": "ERICSSON (LM) TELE CO CL B",
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      {
        "name": "DUPONT DE NEMOURS INC",
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      {
        "name": "SKYWORKS SOLUTIONS INC",
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      {
        "name": "CHINA TOWER CO-H",
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        "name": "KYNDRYL HOLDINGS INC",
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        "name": "INFRASTRUTTURE W",
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      {
        "name": "ELASTIC NV",
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      {
        "name": "LUMENTUM HOLDINGS INC",
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      {
        "name": "WIWYNN CORP",
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        "name": "NORDIC SEMICOND",
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        "name": "NETLINK NBN TRUS",
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        "name": "COMPUTACENTER PL",
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        "name": "MEGAPORT LTD",
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      {
        "name": "HFCL LTD",
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      {
        "name": "BlackRock Cash Funds: Treasury, SL Agency Shares",
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      {
        "name": "NXP SEMICONDUCTORS NV",
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      {
        "name": "MONOLITHIC POWER SYS INC",
        "value": "279255722.25",
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      {
        "name": "LAM RESEARCH CORP",
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      {
        "name": "ON SEMICONDUCTOR CORP",
        "value": "227553192.91",
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      {
        "name": "Fidelity Cash Central Fund",
        "value": "187214695.00",
        "weight": "0.03556378",
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      },
      {
        "name": "GLOBALFOUNDRIES INC",
        "value": "168212365.00",
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      {
        "name": "ASTERA LABS INC",
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      {
        "name": "NOVA LTD",
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      {
        "name": "WESTERN DIGITAL CORP",
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        "name": "MACOM TECHNOLOGY SOLUTIONS HOLDINGS INC",
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      {
        "name": "ALLEGRO MICROSYSTEMS INC",
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      {
        "name": "Fidelity Securities Lending Cash Central Fund",
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      {
        "name": "ASML HOLDING-NY",
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        "name": "ANALOG DEVICES INC",
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      {
        "name": "Silicon Motion Technology Corp. SPONSORED ADR",
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      {
        "name": "TAIWAN SEMIC MFG CO LTD SP ADR",
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      {
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        "name": "IMPINJ INC",
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      {
        "name": "CEREBRAS SYSTEMS INC SER G PC PP",
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        "name": "TAALAS INC WT PP",
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        "name": "FRORE SYSTEMS INC SER C PC PP",
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        "name": "CELESTIAL AI INC SER C-1 PC PP",
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      {
        "name": "ALIF SEMICONDUCTOR SER D PP",
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      {
        "name": "ELEMENT LABS LTD SER B PC PP",
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        "name": "DENSITY AI INC SEED PC PP",
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        "name": "RETYM INC SER D PC PP",
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        "name": "AEVA TECHNOLOGIES INC",
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        "name": "AKEANA SER C PC PP",
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        "name": "WOLFSPEED INC/DE",
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  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001410368-25-010172",
      "as_of": "2025-07-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1100663/000141036825010172/0001410368-25-010172-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000035402-26-001927",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/315700/000003540226001927/0000035402-26-001927-index.htm"
    }
  ]
}