{
  "page": "compare",
  "query": {
    "a": "FXAIX",
    "b": "SVSPX"
  },
  "retrieved_at": "2026-07-07T07:32:22+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": "Fidelity 500 Index Fund",
    "ticker": "FXAIX",
    "slug": "FXAIX",
    "series_id": "S000006027",
    "html_url": "https://fundwatcher.app/funds/FXAIX/"
  },
  "fund_b": {
    "name": "State Street S&P 500 Index Fund",
    "ticker": "SVSPX",
    "slug": "SVSPX",
    "series_id": "S000005183",
    "html_url": "https://fundwatcher.app/funds/SVSPX/"
  },
  "overlap": {
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    "coverage_b_by_a": "0.9928273827486599597298496013",
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    "as_of": {
      "a": "2026-02-28",
      "b": "2026-02-28"
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      {
        "name": "TESLA INC",
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      {
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      {
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        "name": "GE VERNOVA LLC",
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      {
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        "name": "ALPHABET INC CL C",
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      {
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      {
        "name": "VISA INC-CLASS A",
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      {
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      {
        "name": "LAM RESEARCH CORP",
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      {
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      {
        "name": "PHILIP MORRIS INTL INC",
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      {
        "name": "RTX CORP",
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      {
        "name": "UNITEDHEALTH GRP",
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      {
        "name": "WELLS FARGO & CO",
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      {
        "name": "GOLDMAN SACHS GROUP INC",
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      {
        "name": "ORACLE CORP",
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      {
        "name": "MCDONALDS CORP",
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      {
        "name": "LINDE PLC",
        "value": "6465826.08",
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      {
        "name": "GE VERNOVA LLC",
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      {
        "name": "PEPSICO INC",
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      },
      {
        "name": "INTL BUS MACH CORP",
        "value": "6144571.80",
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      },
      {
        "name": "VERIZON COMMUNICATIONS INC",
        "value": "5824462.96",
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      },
      {
        "name": "AMGEN INC",
        "value": "5686932.16",
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      },
      {
        "name": "ABBOTT LABS",
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      },
      {
        "name": "INTEL CORP",
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      },
      {
        "name": "MORGAN STANLEY",
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    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000035402-26-002559",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/819118/000003540226002559/0000035402-26-002559-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001410368-26-041227",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/826686/000141036826041227/0001410368-26-041227-index.htm"
    }
  ]
}