{
  "page": "compare",
  "query": {
    "a": "FXAIX",
    "b": "SWP1Z"
  },
  "retrieved_at": "2026-07-07T08:37:20+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": "Schwab S&P 500 Index Portfolio",
    "ticker": "SWP1Z",
    "slug": "SWP1Z",
    "series_id": "S000006547",
    "html_url": "https://fundwatcher.app/funds/SWP1Z/"
  },
  "overlap": {
    "coverage_a_by_b": "0.9724751714380165020334079255",
    "coverage_b_by_a": "0.9724751714380165020334079255",
    "shared_count": 497,
    "as_of": {
      "a": "2026-02-28",
      "b": "2026-03-31"
    },
    "a_top": [
      {
        "name": "NVIDIA CORP",
        "value": "54795653828.76",
        "weight": "0.07302956",
        "shared": true
      },
      {
        "name": "APPLE INC",
        "value": "49678425535.20",
        "weight": "0.06620951",
        "shared": true
      },
      {
        "name": "MICROSOFT CORP",
        "value": "37147839564.34",
        "weight": "0.04950923",
        "shared": true
      },
      {
        "name": "AMAZON.COM INC",
        "value": "25998469770.00",
        "weight": "0.03464977",
        "shared": true
      },
      {
        "name": "ALPHABET INC CL A",
        "value": "23083375072.32",
        "weight": "0.03076464",
        "shared": true
      },
      {
        "name": "BROADCOM INC",
        "value": "19204322930.10",
        "weight": "0.02559479",
        "shared": true
      },
      {
        "name": "ALPHABET INC CL C",
        "value": "18429356703.66",
        "weight": "0.02456194",
        "shared": true
      },
      {
        "name": "META PLATFORMS INC CL A",
        "value": "17965197354.78",
        "weight": "0.02394333",
        "shared": true
      },
      {
        "name": "TESLA INC",
        "value": "14393775310.44",
        "weight": "0.01918348",
        "shared": true
      },
      {
        "name": "BERKSHIRE HATH-B",
        "value": "11783800516.55",
        "weight": "0.01570500",
        "shared": true
      },
      {
        "name": "LILLY ELI and CO",
        "value": "10631627649.94",
        "weight": "0.01416943",
        "shared": true
      },
      {
        "name": "JPMORGAN CHASE and CO",
        "value": "10403650857.60",
        "weight": "0.01386559",
        "shared": true
      },
      {
        "name": "EXXON MOBIL CORP",
        "value": "8184480257.50",
        "weight": "0.01090796",
        "shared": true
      },
      {
        "name": "JOHNSON&JOHNSON",
        "value": "7617187504.29",
        "weight": "0.01015190",
        "shared": true
      },
      {
        "name": "WALMART INC",
        "value": "7140312957.30",
        "weight": "0.00951634",
        "shared": true
      },
      {
        "name": "VISA INC-CLASS A",
        "value": "6875712408.70",
        "weight": "0.00916369",
        "shared": true
      },
      {
        "name": "MICRON TECHNOLOGY INC",
        "value": "5890618439.93",
        "weight": "0.00785079",
        "shared": true
      },
      {
        "name": "COSTCO WHOLESALE CORP",
        "value": "5700863686.32",
        "weight": "0.00759789",
        "shared": true
      },
      {
        "name": "MASTERCARD INC CL A",
        "value": "5397078074.64",
        "weight": "0.00719302",
        "shared": true
      },
      {
        "name": "ABBVIE INC",
        "value": "5219987687.28",
        "weight": "0.00695700",
        "shared": true
      },
      {
        "name": "NETFLIX INC",
        "value": "5189765290.08",
        "weight": "0.00691672",
        "shared": true
      },
      {
        "name": "PROCTER & GAMBLE",
        "value": "4972171362.40",
        "weight": "0.00662672",
        "shared": true
      },
      {
        "name": "HOME DEPOT INC",
        "value": "4822787351.68",
        "weight": "0.00642763",
        "shared": true
      },
      {
        "name": "GENERAL ELECTRIC CO",
        "value": "4594440055.80",
        "weight": "0.00612329",
        "shared": true
      },
      {
        "name": "CHEVRON CORP",
        "value": "4498508663.60",
        "weight": "0.00599544",
        "shared": true
      },
      {
        "name": "CATERPILLAR INC",
        "value": "4424021375.73",
        "weight": "0.00589617",
        "shared": true
      },
      {
        "name": "BANK OF AMERICA CORPORATION",
        "value": "4260401516.58",
        "weight": "0.00567810",
        "shared": true
      },
      {
        "name": "ADV MICRO DEVICE",
        "value": "4148126364.17",
        "weight": "0.00552846",
        "shared": true
      },
      {
        "name": "COCA-COLA CO/THE",
        "value": "4018381842.12",
        "weight": "0.00535555",
        "shared": true
      },
      {
        "name": "PALANTIR TECHNOLOGIES INC",
        "value": "3988252547.85",
        "weight": "0.00531539",
        "shared": true
      },
      {
        "name": "CISCO SYSTEMS INC",
        "value": "3984972238.20",
        "weight": "0.00531102",
        "shared": true
      },
      {
        "name": "MERCK & CO",
        "value": "3911083890.82",
        "weight": "0.00521254",
        "shared": true
      },
      {
        "name": "APPLIED MATERIALS INC",
        "value": "3774477548.70",
        "weight": "0.00503048",
        "shared": true
      },
      {
        "name": "LAM RESEARCH CORP",
        "value": "3738628270.62",
        "weight": "0.00498270",
        "shared": true
      },
      {
        "name": "PHILIP MORRIS INTL INC",
        "value": "3701135368.91",
        "weight": "0.00493273",
        "shared": true
      },
      {
        "name": "RTX CORP",
        "value": "3457305667.86",
        "weight": "0.00460777",
        "shared": true
      },
      {
        "name": "UNITEDHEALTH GRP",
        "value": "3380797497.45",
        "weight": "0.00450580",
        "shared": true
      },
      {
        "name": "GOLDMAN SACHS GROUP INC",
        "value": "3280953762.47",
        "weight": "0.00437273",
        "shared": true
      },
      {
        "name": "WELLS FARGO & CO",
        "value": "3253828212.45",
        "weight": "0.00433658",
        "shared": true
      },
      {
        "name": "ORACLE CORP",
        "value": "3112308810.00",
        "weight": "0.00414797",
        "shared": true
      },
      {
        "name": "MCDONALDS CORP",
        "value": "3091044174.06",
        "weight": "0.00411963",
        "shared": true
      },
      {
        "name": "LINDE PLC",
        "value": "3019267940.40",
        "weight": "0.00402397",
        "shared": true
      },
      {
        "name": "GE VERNOVA LLC",
        "value": "3016442083.20",
        "weight": "0.00402020",
        "shared": true
      },
      {
        "name": "PEPSICO INC",
        "value": "2953665429.84",
        "weight": "0.00393653",
        "shared": true
      },
      {
        "name": "INTL BUS MACH CORP",
        "value": "2857459851.54",
        "weight": "0.00380831",
        "shared": true
      },
      {
        "name": "VERIZON COMMUNICATIONS INC",
        "value": "2690476800.60",
        "weight": "0.00358576",
        "shared": true
      },
      {
        "name": "AMGEN INC",
        "value": "2660000703.36",
        "weight": "0.00354515",
        "shared": true
      },
      {
        "name": "INTEL CORP",
        "value": "2602596862.19",
        "weight": "0.00346864",
        "shared": true
      },
      {
        "name": "ABBOTT LABS",
        "value": "2574746149.30",
        "weight": "0.00343152",
        "shared": true
      },
      {
        "name": "MORGAN STANLEY",
        "value": "2559544764.18",
        "weight": "0.00341126",
        "shared": true
      }
    ],
    "b_top": [
      {
        "name": "NVIDIA CORP",
        "value": "244538448.00",
        "weight": "0.07562450",
        "shared": true
      },
      {
        "name": "APPLE INC",
        "value": "214983478.68",
        "weight": "0.06648451",
        "shared": true
      },
      {
        "name": "MICROSOFT CORP",
        "value": "158578606.98",
        "weight": "0.04904108",
        "shared": true
      },
      {
        "name": "AMAZON.COM INC",
        "value": "117456990.55",
        "weight": "0.03632405",
        "shared": true
      },
      {
        "name": "ALPHABET INC CL A",
        "value": "96584790.12",
        "weight": "0.02986924",
        "shared": true
      },
      {
        "name": "BROADCOM INC",
        "value": "84709791.90",
        "weight": "0.02619685",
        "shared": true
      },
      {
        "name": "ALPHABET INC CL C",
        "value": "77386222.20",
        "weight": "0.02393200",
        "shared": true
      },
      {
        "name": "META PLATFORMS INC CL A",
        "value": "72247432.14",
        "weight": "0.02234281",
        "shared": true
      },
      {
        "name": "TESLA INC",
        "value": "60361419.25",
        "weight": "0.01866701",
        "shared": true
      },
      {
        "name": "BERKSHIRE HATH-B",
        "value": "50739133.60",
        "weight": "0.01569128",
        "shared": true
      },
      {
        "name": "JPMORGAN CHASE and CO",
        "value": "45796887.92",
        "weight": "0.01416287",
        "shared": true
      },
      {
        "name": "LILLY ELI and CO",
        "value": "42080397.27",
        "weight": "0.01301353",
        "shared": true
      },
      {
        "name": "EXXON MOBIL CORP",
        "value": "40921822.34",
        "weight": "0.01265524",
        "shared": true
      },
      {
        "name": "JOHNSON&JOHNSON",
        "value": "34003803.96",
        "weight": "0.01051581",
        "shared": true
      },
      {
        "name": "WALMART INC",
        "value": "31453652.36",
        "weight": "0.00972717",
        "shared": true
      },
      {
        "name": "VISA INC-CLASS A",
        "value": "29327858.40",
        "weight": "0.00906976",
        "shared": true
      },
      {
        "name": "COSTCO WHOLESALE CORP",
        "value": "25541490.19",
        "weight": "0.00789881",
        "shared": true
      },
      {
        "name": "MASTERCARD INC CL A",
        "value": "23487017.96",
        "weight": "0.00726346",
        "shared": true
      },
      {
        "name": "NETFLIX INC",
        "value": "23437620.15",
        "weight": "0.00724818",
        "shared": true
      },
      {
        "name": "CHEVRON CORP",
        "value": "22402097.50",
        "weight": "0.00692794",
        "shared": true
      },
      {
        "name": "ABBVIE INC",
        "value": "22192244.62",
        "weight": "0.00686304",
        "shared": true
      },
      {
        "name": "MICRON TECHNOLOGY INC",
        "value": "21963991.92",
        "weight": "0.00679245",
        "shared": true
      },
      {
        "name": "PROCTER & GAMBLE",
        "value": "19367670.72",
        "weight": "0.00598953",
        "shared": true
      },
      {
        "name": "PALANTIR TECHNOLOGIES INC",
        "value": "19287895.68",
        "weight": "0.00596486",
        "shared": true
      },
      {
        "name": "ADV MICRO DEVICE",
        "value": "19155782.52",
        "weight": "0.00592400",
        "shared": true
      },
      {
        "name": "CATERPILLAR INC",
        "value": "19040570.96",
        "weight": "0.00588837",
        "shared": true
      },
      {
        "name": "HOME DEPOT INC",
        "value": "18893414.94",
        "weight": "0.00584286",
        "shared": true
      },
      {
        "name": "BANK OF AMERICA CORPORATION",
        "value": "18677246.25",
        "weight": "0.00577601",
        "shared": true
      },
      {
        "name": "CISCO SYSTEMS INC",
        "value": "17706348.36",
        "weight": "0.00547576",
        "shared": true
      },
      {
        "name": "MERCK & CO",
        "value": "17243932.37",
        "weight": "0.00533276",
        "shared": true
      },
      {
        "name": "GENERAL ELECTRIC CO",
        "value": "17193340.53",
        "weight": "0.00531711",
        "shared": true
      },
      {
        "name": "COCA-COLA CO/THE",
        "value": "16999912.80",
        "weight": "0.00525729",
        "shared": true
      },
      {
        "name": "APPLIED MATERIALS INC",
        "value": "15659450.64",
        "weight": "0.00484275",
        "shared": true
      },
      {
        "name": "LAM RESEARCH CORP",
        "value": "15401253.78",
        "weight": "0.00476290",
        "shared": true
      },
      {
        "name": "RTX CORP",
        "value": "14919657.60",
        "weight": "0.00461396",
        "shared": true
      },
      {
        "name": "PHILIP MORRIS INTL INC",
        "value": "14856625.70",
        "weight": "0.00459447",
        "shared": true
      },
      {
        "name": "GOLDMAN SACHS GROUP INC",
        "value": "14620399.18",
        "weight": "0.00452142",
        "shared": true
      },
      {
        "name": "ORACLE CORP",
        "value": "14401186.34",
        "weight": "0.00445363",
        "shared": true
      },
      {
        "name": "WELLS FARGO & CO",
        "value": "14186422.39",
        "weight": "0.00438721",
        "shared": true
      },
      {
        "name": "UNITEDHEALTH GRP",
        "value": "14148880.51",
        "weight": "0.00437560",
        "shared": true
      },
      {
        "name": "GE VERNOVA LLC",
        "value": "13557009.90",
        "weight": "0.00419256",
        "shared": true
      },
      {
        "name": "LINDE PLC",
        "value": "13364202.32",
        "weight": "0.00413293",
        "shared": true
      },
      {
        "name": "INTL BUS MACH CORP",
        "value": "13077910.06",
        "weight": "0.00404440",
        "shared": true
      },
      {
        "name": "MCDONALDS CORP",
        "value": "12769428.73",
        "weight": "0.00394900",
        "shared": true
      },
      {
        "name": "PEPSICO INC",
        "value": "12228776.92",
        "weight": "0.00378180",
        "shared": true
      },
      {
        "name": "VERIZON COMMUNICATIONS INC",
        "value": "12197997.60",
        "weight": "0.00377228",
        "shared": true
      },
      {
        "name": "INTEL CORP",
        "value": "11960289.12",
        "weight": "0.00369877",
        "shared": true
      },
      {
        "name": "AT&T INC",
        "value": "11694015.19",
        "weight": "0.00361642",
        "shared": true
      },
      {
        "name": "CITIGROUP INC",
        "value": "11419593.13",
        "weight": "0.00353156",
        "shared": true
      },
      {
        "name": "MORGAN STANLEY",
        "value": "11408486.11",
        "weight": "0.00352812",
        "shared": true
      }
    ]
  },
  "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": "0001410368-26-050043",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/918266/000141036826050043/0001410368-26-050043-index.htm"
    }
  ]
}