{
  "page": "compare",
  "query": {
    "a": "PRGFX",
    "b": "VIGAX"
  },
  "retrieved_at": "2026-07-07T19:23:01+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": "T. Rowe Price Growth Stock Fund, Inc.",
    "ticker": "PRGFX",
    "slug": "PRGFX",
    "series_id": "S000002087",
    "html_url": "https://fundwatcher.app/funds/PRGFX/"
  },
  "fund_b": {
    "name": "VANGUARD GROWTH INDEX FUND",
    "ticker": "VIGAX",
    "slug": "VIGAX",
    "series_id": "S000002842",
    "html_url": "https://fundwatcher.app/funds/VIGAX/"
  },
  "overlap": {
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    "coverage_b_by_a": "0.7351632841374823066030466589",
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        "name": "MICROSOFT CORP",
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      {
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        "name": "VISA INC-CLASS A",
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        "name": "LAM RESEARCH CORP",
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      {
        "name": "ARGENX SE SPONSORED ADR",
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      {
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        "name": "PALO ALTO NETWORKS INC",
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        "name": "TEXAS INSTRUMENTS INC",
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        "name": "SEAGATE TECHNOLO",
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        "name": "QUANTA SVCS INC",
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    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001099263-26-006558",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/80257/000109926326006558/0001099263-26-006558-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000036405-26-000315",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/36405/000003640526000315/0000036405-26-000315-index.htm"
    }
  ]
}