{
  "page": "compare",
  "query": {
    "a": "IVOG",
    "b": "IVOO"
  },
  "retrieved_at": "2026-07-07T17:15:14+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 S&P MID-CAP 400 GROWTH INDEX FUND",
    "ticker": "IVOG",
    "slug": "IVOG",
    "series_id": "S000030016",
    "html_url": "https://fundwatcher.app/funds/IVOG/"
  },
  "fund_b": {
    "name": "VANGUARD S&P MID-CAP 400 INDEX FUND",
    "ticker": "IVOO",
    "slug": "IVOO",
    "series_id": "S000030014",
    "html_url": "https://fundwatcher.app/funds/IVOO/"
  },
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  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000891190-26-000143",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/891190/000089119026000143/0000891190-26-000143-index.htm"
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    {
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      "accession_no": "0000891190-26-000136",
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      "edgar_url": "https://www.sec.gov/Archives/edgar/data/891190/000089119026000136/0000891190-26-000136-index.htm"
    }
  ]
}