{
  "page": "compare",
  "query": {
    "a": "VSTIX",
    "b": "FDFIX"
  },
  "retrieved_at": "2026-07-07T09:49:13+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": "Stock Index Fund",
    "ticker": "VSTIX",
    "slug": "VSTIX",
    "series_id": "S000008009",
    "html_url": "https://fundwatcher.app/funds/VSTIX/"
  },
  "fund_b": {
    "name": "Fidelity Flex 500 Index Fund",
    "ticker": "FDFIX",
    "slug": "FDFIX",
    "series_id": "S000056363",
    "html_url": "https://fundwatcher.app/funds/FDFIX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.9731043723162356227675487880",
    "coverage_b_by_a": "0.9731043723162356227675487880",
    "shared_count": 447,
    "as_of": {
      "a": "2026-02-28",
      "b": "2026-02-28"
    },
    "a_top": [
      {
        "name": "NVIDIA CORP",
        "value": "484475378.66",
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      },
      {
        "name": "APPLE INC",
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      },
      {
        "name": "MICROSOFT CORP",
        "value": "328442570.90",
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      },
      {
        "name": "AMAZON.COM INC",
        "value": "229865370.00",
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      },
      {
        "name": "ALPHABET INC CL A",
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      },
      {
        "name": "BROADCOM INC",
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      },
      {
        "name": "ALPHABET INC CL C",
        "value": "162945158.88",
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      },
      {
        "name": "META PLATFORMS INC CL A",
        "value": "158839101.72",
        "weight": "0.02391338",
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      },
      {
        "name": "TESLA INC",
        "value": "127262391.72",
        "weight": "0.01915948",
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      },
      {
        "name": "BERKSHIRE HATH-B",
        "value": "104186333.50",
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      },
      {
        "name": "LILLY ELI and CO",
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      },
      {
        "name": "JPMORGAN CHASE and CO",
        "value": "91983691.80",
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      },
      {
        "name": "EXXON MOBIL CORP",
        "value": "72363080.00",
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      },
      {
        "name": "JOHNSON&JOHNSON",
        "value": "67347385.56",
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      },
      {
        "name": "WALMART INC",
        "value": "63131041.80",
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      },
      {
        "name": "VISA INC-CLASS A",
        "value": "60791704.74",
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      },
      {
        "name": "MICRON TECHNOLOGY INC",
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      },
      {
        "name": "COSTCO WHOLESALE CORP",
        "value": "50404054.14",
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      },
      {
        "name": "MASTERCARD INC CL A",
        "value": "47739000.21",
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      },
      {
        "name": "ABBVIE INC",
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      {
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      },
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      },
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        "name": "HOME DEPOT INC",
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      },
      {
        "name": "GENERAL ELECTRIC CO",
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      },
      {
        "name": "CHEVRON CORP",
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      },
      {
        "name": "CATERPILLAR INC",
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      },
      {
        "name": "BANK OF AMERICA CORPORATION",
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      },
      {
        "name": "ADV MICRO DEVICE",
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      },
      {
        "name": "COCA-COLA CO/THE",
        "value": "35602326.52",
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      },
      {
        "name": "CISCO SYSTEMS INC",
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      },
      {
        "name": "PALANTIR TECHNOLOGIES INC",
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      },
      {
        "name": "MERCK & CO",
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      },
      {
        "name": "APPLIED MATERIALS INC",
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      {
        "name": "LAM RESEARCH CORP",
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      {
        "name": "PHILIP MORRIS INTL INC",
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      {
        "name": "RTX CORP",
        "value": "30538481.16",
        "weight": "0.00459760",
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      },
      {
        "name": "UNITEDHEALTH GRP",
        "value": "29836116.72",
        "weight": "0.00449186",
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      },
      {
        "name": "GOLDMAN SACHS GROUP INC",
        "value": "29008768.36",
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      },
      {
        "name": "WELLS FARGO & CO",
        "value": "28783696.95",
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      },
      {
        "name": "State Street Navigator Securities Lending Portfolio II",
        "value": "27759992.00",
        "weight": "0.00417929",
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      },
      {
        "name": "ORACLE CORP",
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      },
      {
        "name": "MCDONALDS CORP",
        "value": "27376886.20",
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      },
      {
        "name": "LINDE PLC",
        "value": "26722467.60",
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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": "25295073.84",
        "weight": "0.00380820",
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      },
      {
        "name": "VERIZON COMMUNICATIONS INC",
        "value": "23874812.82",
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      {
        "name": "AMGEN INC",
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      {
        "name": "INTEL CORP",
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      },
      {
        "name": "ABBOTT LABS",
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    ],
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        "name": "AMAZON.COM INC",
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        "name": "ALPHABET INC CL A",
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      {
        "name": "BROADCOM INC",
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      },
      {
        "name": "ALPHABET INC CL C",
        "value": "198970758.42",
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      },
      {
        "name": "META PLATFORMS INC CL A",
        "value": "193218568.92",
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      },
      {
        "name": "TESLA INC",
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      },
      {
        "name": "BERKSHIRE HATH-B",
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      },
      {
        "name": "LILLY ELI and CO",
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      },
      {
        "name": "JPMORGAN CHASE and CO",
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      },
      {
        "name": "EXXON MOBIL CORP",
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      },
      {
        "name": "JOHNSON&JOHNSON",
        "value": "81909855.30",
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      },
      {
        "name": "WALMART INC",
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      },
      {
        "name": "VISA INC-CLASS A",
        "value": "73930570.48",
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      },
      {
        "name": "MICRON TECHNOLOGY INC",
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      },
      {
        "name": "COSTCO WHOLESALE CORP",
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      },
      {
        "name": "MASTERCARD INC CL A",
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      },
      {
        "name": "ABBVIE INC",
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      },
      {
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      },
      {
        "name": "PROCTER & GAMBLE",
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      {
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      },
      {
        "name": "GENERAL ELECTRIC CO",
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      },
      {
        "name": "BANK OF AMERICA CORPORATION",
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      },
      {
        "name": "ADV MICRO DEVICE",
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      },
      {
        "name": "COCA-COLA CO/THE",
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      },
      {
        "name": "PALANTIR TECHNOLOGIES INC",
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      },
      {
        "name": "CISCO SYSTEMS INC",
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      },
      {
        "name": "MERCK & CO",
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      },
      {
        "name": "APPLIED MATERIALS INC",
        "value": "40595592.00",
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      },
      {
        "name": "LAM RESEARCH CORP",
        "value": "40207796.01",
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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": "GOLDMAN SACHS GROUP INC",
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        "name": "WELLS FARGO & CO",
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      },
      {
        "name": "ORACLE CORP",
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      },
      {
        "name": "MCDONALDS CORP",
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      },
      {
        "name": "LINDE PLC",
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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": "30719015.64",
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      },
      {
        "name": "VERIZON COMMUNICATIONS INC",
        "value": "28931732.66",
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      },
      {
        "name": "AMGEN INC",
        "value": "28601181.44",
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      },
      {
        "name": "INTEL CORP",
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      },
      {
        "name": "ABBOTT LABS",
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      },
      {
        "name": "MORGAN STANLEY",
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    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001410368-26-041585",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/719423/000141036826041585/0001410368-26-041585-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000035402-26-002571",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/819118/000003540226002571/0000035402-26-002571-index.htm"
    }
  ]
}