{
  "page": "compare",
  "query": {
    "a": "SPIRX",
    "b": "VSTIX"
  },
  "retrieved_at": "2026-07-07T18:24:12+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": "Invesco S&P 500 Index Fund",
    "ticker": "SPIRX",
    "slug": "SPIRX",
    "series_id": "S000027821",
    "html_url": "https://fundwatcher.app/funds/SPIRX/"
  },
  "fund_b": {
    "name": "Stock Index Fund",
    "ticker": "VSTIX",
    "slug": "VSTIX",
    "series_id": "S000008009",
    "html_url": "https://fundwatcher.app/funds/VSTIX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.9339450737404301476799096946",
    "coverage_b_by_a": "0.9339450737404301476799096947",
    "shared_count": 476,
    "as_of": {
      "a": "2026-02-28",
      "b": "2026-02-28"
    },
    "a_top": [
      {
        "name": "NVIDIA CORP",
        "value": "305192941.95",
        "weight": "0.07041452",
        "shared": true
      },
      {
        "name": "APPLE INC",
        "value": "276867244.50",
        "weight": "0.06387918",
        "shared": true
      },
      {
        "name": "MICROSOFT CORP",
        "value": "206994402.48",
        "weight": "0.04775802",
        "shared": true
      },
      {
        "name": "AMAZON.COM INC",
        "value": "144833850.00",
        "weight": "0.03341626",
        "shared": true
      },
      {
        "name": "ALPHABET INC CL A",
        "value": "128514954.24",
        "weight": "0.02965114",
        "shared": true
      },
      {
        "name": "BROADCOM INC",
        "value": "106879249.40",
        "weight": "0.02465932",
        "shared": true
      },
      {
        "name": "ALPHABET INC CL C",
        "value": "102558259.02",
        "weight": "0.02366238",
        "shared": true
      },
      {
        "name": "META PLATFORMS INC CL A",
        "value": "99962967.78",
        "weight": "0.02306359",
        "shared": true
      },
      {
        "name": "TESLA INC",
        "value": "80043138.60",
        "weight": "0.01846766",
        "shared": true
      },
      {
        "name": "Invesco Treasury Portfolio, Institutional Class",
        "value": "74282658.12",
        "weight": "0.01713859",
        "shared": false
      },
      {
        "name": "BERKSHIRE HATH-B",
        "value": "65479391.25",
        "weight": "0.01510749",
        "shared": true
      },
      {
        "name": "LILLY ELI and CO",
        "value": "59073446.46",
        "weight": "0.01362950",
        "shared": true
      },
      {
        "name": "JPMORGAN CHASE and CO",
        "value": "57818260.50",
        "weight": "0.01333991",
        "shared": true
      },
      {
        "name": "EXXON MOBIL CORP",
        "value": "45418312.50",
        "weight": "0.01047897",
        "shared": true
      },
      {
        "name": "JOHNSON&JOHNSON",
        "value": "42488982.90",
        "weight": "0.00980311",
        "shared": true
      },
      {
        "name": "Invesco Government & Agency Portfolio, Institutional Class",
        "value": "41034803.20",
        "weight": "0.00946760",
        "shared": false
      },
      {
        "name": "WALMART INC",
        "value": "39828915.75",
        "weight": "0.00918938",
        "shared": true
      },
      {
        "name": "VISA INC-CLASS A",
        "value": "38353092.14",
        "weight": "0.00884888",
        "shared": true
      },
      {
        "name": "Invesco Private Prime Fund",
        "value": "36247459.98",
        "weight": "0.00836306",
        "shared": false
      },
      {
        "name": "MICRON TECHNOLOGY INC",
        "value": "32858053.97",
        "weight": "0.00758105",
        "shared": true
      },
      {
        "name": "COSTCO WHOLESALE CORP",
        "value": "31799453.40",
        "weight": "0.00733681",
        "shared": true
      },
      {
        "name": "MASTERCARD INC CL A",
        "value": "30105242.47",
        "weight": "0.00694592",
        "shared": true
      },
      {
        "name": "ABBVIE INC",
        "value": "29117220.96",
        "weight": "0.00671796",
        "shared": true
      },
      {
        "name": "NETFLIX INC",
        "value": "28948703.28",
        "weight": "0.00667908",
        "shared": true
      },
      {
        "name": "PROCTER & GAMBLE",
        "value": "27734968.80",
        "weight": "0.00639905",
        "shared": true
      },
      {
        "name": "HOME DEPOT INC",
        "value": "26901675.20",
        "weight": "0.00620679",
        "shared": true
      },
      {
        "name": "GENERAL ELECTRIC CO",
        "value": "25628086.54",
        "weight": "0.00591295",
        "shared": true
      },
      {
        "name": "CHEVRON CORP",
        "value": "25092886.84",
        "weight": "0.00578946",
        "shared": true
      },
      {
        "name": "CATERPILLAR INC",
        "value": "24677555.43",
        "weight": "0.00569364",
        "shared": true
      },
      {
        "name": "BANK OF AMERICA CORPORATION",
        "value": "23764674.45",
        "weight": "0.00548302",
        "shared": true
      },
      {
        "name": "ADV MICRO DEVICE",
        "value": "23138469.91",
        "weight": "0.00533854",
        "shared": true
      },
      {
        "name": "COCA-COLA CO/THE",
        "value": "22414727.00",
        "weight": "0.00517156",
        "shared": true
      },
      {
        "name": "PALANTIR TECHNOLOGIES INC",
        "value": "22246593.21",
        "weight": "0.00513276",
        "shared": true
      },
      {
        "name": "CISCO SYSTEMS INC",
        "value": "22228299.32",
        "weight": "0.00512854",
        "shared": true
      },
      {
        "name": "MERCK & CO",
        "value": "21816217.26",
        "weight": "0.00503347",
        "shared": true
      },
      {
        "name": "APPLIED MATERIALS INC",
        "value": "21054309.60",
        "weight": "0.00485768",
        "shared": true
      },
      {
        "name": "LAM RESEARCH CORP",
        "value": "20854100.18",
        "weight": "0.00481149",
        "shared": true
      },
      {
        "name": "PHILIP MORRIS INTL INC",
        "value": "20645088.66",
        "weight": "0.00476326",
        "shared": true
      },
      {
        "name": "RTX CORP",
        "value": "19284966.36",
        "weight": "0.00444945",
        "shared": true
      },
      {
        "name": "UNITEDHEALTH GRP",
        "value": "18858140.81",
        "weight": "0.00435098",
        "shared": true
      },
      {
        "name": "GOLDMAN SACHS GROUP INC",
        "value": "18301104.87",
        "weight": "0.00422246",
        "shared": true
      },
      {
        "name": "WELLS FARGO & CO",
        "value": "18149992.20",
        "weight": "0.00418759",
        "shared": true
      },
      {
        "name": "ORACLE CORP",
        "value": "17360614.60",
        "weight": "0.00400546",
        "shared": true
      },
      {
        "name": "MCDONALDS CORP",
        "value": "17241947.24",
        "weight": "0.00397809",
        "shared": true
      },
      {
        "name": "LINDE PLC",
        "value": "16841835.84",
        "weight": "0.00388577",
        "shared": false
      },
      {
        "name": "GE VERNOVA LLC",
        "value": "16825536.00",
        "weight": "0.00388201",
        "shared": true
      },
      {
        "name": "PEPSICO INC",
        "value": "16475643.36",
        "weight": "0.00380128",
        "shared": true
      },
      {
        "name": "INTL BUS MACH CORP",
        "value": "15939134.55",
        "weight": "0.00367750",
        "shared": true
      },
      {
        "name": "VERIZON COMMUNICATIONS INC",
        "value": "15007603.96",
        "weight": "0.00346257",
        "shared": true
      },
      {
        "name": "AMGEN INC",
        "value": "14837416.00",
        "weight": "0.00342331",
        "shared": true
      }
    ],
    "b_top": [
      {
        "name": "NVIDIA CORP",
        "value": "484475378.66",
        "weight": "0.07293825",
        "shared": true
      },
      {
        "name": "APPLE INC",
        "value": "439231479.96",
        "weight": "0.06612673",
        "shared": true
      },
      {
        "name": "MICROSOFT CORP",
        "value": "328442570.90",
        "weight": "0.04944735",
        "shared": true
      },
      {
        "name": "AMAZON.COM INC",
        "value": "229865370.00",
        "weight": "0.03460646",
        "shared": true
      },
      {
        "name": "ALPHABET INC CL A",
        "value": "204089319.36",
        "weight": "0.03072585",
        "shared": true
      },
      {
        "name": "BROADCOM INC",
        "value": "169794809.80",
        "weight": "0.02556278",
        "shared": true
      },
      {
        "name": "ALPHABET INC CL C",
        "value": "162945158.88",
        "weight": "0.02453155",
        "shared": true
      },
      {
        "name": "META PLATFORMS INC CL A",
        "value": "158839101.72",
        "weight": "0.02391338",
        "shared": true
      },
      {
        "name": "TESLA INC",
        "value": "127262391.72",
        "weight": "0.01915948",
        "shared": true
      },
      {
        "name": "BERKSHIRE HATH-B",
        "value": "104186333.50",
        "weight": "0.01568536",
        "shared": true
      },
      {
        "name": "LILLY ELI and CO",
        "value": "93999514.46",
        "weight": "0.01415172",
        "shared": true
      },
      {
        "name": "JPMORGAN CHASE and CO",
        "value": "91983691.80",
        "weight": "0.01384824",
        "shared": true
      },
      {
        "name": "EXXON MOBIL CORP",
        "value": "72363080.00",
        "weight": "0.01089433",
        "shared": true
      },
      {
        "name": "JOHNSON&JOHNSON",
        "value": "67347385.56",
        "weight": "0.01013922",
        "shared": true
      },
      {
        "name": "WALMART INC",
        "value": "63131041.80",
        "weight": "0.00950444",
        "shared": true
      },
      {
        "name": "VISA INC-CLASS A",
        "value": "60791704.74",
        "weight": "0.00915225",
        "shared": true
      },
      {
        "name": "MICRON TECHNOLOGY INC",
        "value": "52081918.63",
        "weight": "0.00784098",
        "shared": true
      },
      {
        "name": "COSTCO WHOLESALE CORP",
        "value": "50404054.14",
        "weight": "0.00758838",
        "shared": true
      },
      {
        "name": "MASTERCARD INC CL A",
        "value": "47739000.21",
        "weight": "0.00718715",
        "shared": true
      },
      {
        "name": "ABBVIE INC",
        "value": "46062078.00",
        "weight": "0.00693469",
        "shared": true
      },
      {
        "name": "NETFLIX INC",
        "value": "45963742.80",
        "weight": "0.00691989",
        "shared": true
      },
      {
        "name": "PROCTER & GAMBLE",
        "value": "44005200.80",
        "weight": "0.00662503",
        "shared": true
      },
      {
        "name": "HOME DEPOT INC",
        "value": "42590765.68",
        "weight": "0.00641208",
        "shared": true
      },
      {
        "name": "GENERAL ELECTRIC CO",
        "value": "40563286.16",
        "weight": "0.00610684",
        "shared": true
      },
      {
        "name": "CHEVRON CORP",
        "value": "39773530.16",
        "weight": "0.00598794",
        "shared": true
      },
      {
        "name": "CATERPILLAR INC",
        "value": "39164968.92",
        "weight": "0.00589632",
        "shared": true
      },
      {
        "name": "BANK OF AMERICA CORPORATION",
        "value": "37680299.91",
        "weight": "0.00567281",
        "shared": true
      },
      {
        "name": "ADV MICRO DEVICE",
        "value": "36764762.51",
        "weight": "0.00553497",
        "shared": true
      },
      {
        "name": "COCA-COLA CO/THE",
        "value": "35602326.52",
        "weight": "0.00535997",
        "shared": true
      },
      {
        "name": "CISCO SYSTEMS INC",
        "value": "35303601.24",
        "weight": "0.00531499",
        "shared": true
      },
      {
        "name": "PALANTIR TECHNOLOGIES INC",
        "value": "35199112.68",
        "weight": "0.00529926",
        "shared": true
      },
      {
        "name": "MERCK & CO",
        "value": "34581068.70",
        "weight": "0.00520621",
        "shared": true
      },
      {
        "name": "APPLIED MATERIALS INC",
        "value": "33313404.00",
        "weight": "0.00501537",
        "shared": true
      },
      {
        "name": "LAM RESEARCH CORP",
        "value": "32965158.27",
        "weight": "0.00496294",
        "shared": true
      },
      {
        "name": "PHILIP MORRIS INTL INC",
        "value": "32725516.46",
        "weight": "0.00492686",
        "shared": true
      },
      {
        "name": "RTX CORP",
        "value": "30538481.16",
        "weight": "0.00459760",
        "shared": true
      },
      {
        "name": "UNITEDHEALTH GRP",
        "value": "29836116.72",
        "weight": "0.00449186",
        "shared": true
      },
      {
        "name": "GOLDMAN SACHS GROUP INC",
        "value": "29008768.36",
        "weight": "0.00436730",
        "shared": true
      },
      {
        "name": "WELLS FARGO & CO",
        "value": "28783696.95",
        "weight": "0.00433341",
        "shared": true
      },
      {
        "name": "State Street Navigator Securities Lending Portfolio II",
        "value": "27759992.00",
        "weight": "0.00417929",
        "shared": false
      },
      {
        "name": "ORACLE CORP",
        "value": "27555771.80",
        "weight": "0.00414855",
        "shared": true
      },
      {
        "name": "MCDONALDS CORP",
        "value": "27376886.20",
        "weight": "0.00412162",
        "shared": true
      },
      {
        "name": "LINDE PLC",
        "value": "26722467.60",
        "weight": "0.00402309",
        "shared": false
      },
      {
        "name": "GE VERNOVA LLC",
        "value": "26640432.00",
        "weight": "0.00401074",
        "shared": true
      },
      {
        "name": "PEPSICO INC",
        "value": "26114838.48",
        "weight": "0.00393161",
        "shared": true
      },
      {
        "name": "INTL BUS MACH CORP",
        "value": "25295073.84",
        "weight": "0.00380820",
        "shared": true
      },
      {
        "name": "VERIZON COMMUNICATIONS INC",
        "value": "23874812.82",
        "weight": "0.00359438",
        "shared": true
      },
      {
        "name": "AMGEN INC",
        "value": "23427008.64",
        "weight": "0.00352696",
        "shared": true
      },
      {
        "name": "INTEL CORP",
        "value": "23011658.91",
        "weight": "0.00346443",
        "shared": true
      },
      {
        "name": "ABBOTT LABS",
        "value": "22802738.40",
        "weight": "0.00343297",
        "shared": true
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001112996-26-000180",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1112996/000111299626000180/0001112996-26-000180-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "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"
    }
  ]
}