{
  "page": "compare",
  "query": {
    "a": "FOCKX",
    "b": "FSBDX"
  },
  "retrieved_at": "2026-07-07T15:25:09+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 OTC Portfolio",
    "ticker": "FOCKX",
    "slug": "FOCKX",
    "series_id": "S000007191",
    "html_url": "https://fundwatcher.app/funds/FOCKX/"
  },
  "fund_b": {
    "name": "Fidelity Series Blue Chip Growth Fund",
    "ticker": "FSBDX",
    "slug": "FSBDX",
    "series_id": "S000042624",
    "html_url": "https://fundwatcher.app/funds/FSBDX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.6601068896988256848868487355",
    "coverage_b_by_a": "0.6601068896988256848868487354",
    "shared_count": 70,
    "as_of": {
      "a": "2026-01-31",
      "b": "2026-01-31"
    },
    "a_top": [
      {
        "name": "NVIDIA CORP",
        "value": "4959838217.01",
        "weight": "0.13595738",
        "shared": true
      },
      {
        "name": "ALPHABET INC CL A",
        "value": "3778800454.00",
        "weight": "0.10358318",
        "shared": true
      },
      {
        "name": "APPLE INC",
        "value": "3429061153.96",
        "weight": "0.09399624",
        "shared": true
      },
      {
        "name": "MICROSOFT CORP",
        "value": "2749633133.94",
        "weight": "0.07537200",
        "shared": true
      },
      {
        "name": "AMAZON.COM INC",
        "value": "2384046829.80",
        "weight": "0.06535067",
        "shared": true
      },
      {
        "name": "META PLATFORMS INC CL A",
        "value": "1643499102.00",
        "weight": "0.04505103",
        "shared": true
      },
      {
        "name": "ALPHABET INC CL C",
        "value": "1554120815.76",
        "weight": "0.04260102",
        "shared": false
      },
      {
        "name": "SPACE EXPLORATION TECHNOLOGIES CORP CLASS C PP",
        "value": "1469908870.00",
        "weight": "0.04029264",
        "shared": true
      },
      {
        "name": "TAIWAN SEMIC MFG CO LTD SP ADR",
        "value": "1055878718.72",
        "weight": "0.02894338",
        "shared": true
      },
      {
        "name": "BROADCOM INC",
        "value": "1007534320.20",
        "weight": "0.02761818",
        "shared": true
      },
      {
        "name": "MICRON TECHNOLOGY INC",
        "value": "642279876.80",
        "weight": "0.01760595",
        "shared": true
      },
      {
        "name": "TESLA INC",
        "value": "555831474.00",
        "weight": "0.01523626",
        "shared": true
      },
      {
        "name": "SK HYNIX INC",
        "value": "533189187.51",
        "weight": "0.01461560",
        "shared": true
      },
      {
        "name": "NETFLIX INC",
        "value": "508741305.60",
        "weight": "0.01394544",
        "shared": true
      },
      {
        "name": "ALNYLAM PHARMACEUTICALS INC",
        "value": "451825303.44",
        "weight": "0.01238528",
        "shared": true
      },
      {
        "name": "ARGENX SE SPONSORED ADR",
        "value": "447672153.00",
        "weight": "0.01227143",
        "shared": false
      },
      {
        "name": "REDDIT INC-A",
        "value": "406497853.53",
        "weight": "0.01114278",
        "shared": true
      },
      {
        "name": "MARVELL TECHNOLOGY INC",
        "value": "397216987.20",
        "weight": "0.01088838",
        "shared": true
      },
      {
        "name": "OPTION",
        "value": "396690873.00",
        "weight": "0.01087395",
        "shared": false
      },
      {
        "name": "DELTA ELEC",
        "value": "393808965.63",
        "weight": "0.01079496",
        "shared": true
      },
      {
        "name": "NEXTRACKER INC CL A",
        "value": "392589070.47",
        "weight": "0.01076152",
        "shared": true
      },
      {
        "name": "GE VERNOVA LLC",
        "value": "296576871.00",
        "weight": "0.00812966",
        "shared": true
      },
      {
        "name": "INSULET CORP",
        "value": "296172213.42",
        "weight": "0.00811857",
        "shared": true
      },
      {
        "name": "BOSTON SCIENTIFIC CORP",
        "value": "254897776.65",
        "weight": "0.00698717",
        "shared": true
      },
      {
        "name": "COHERENT CORP",
        "value": "251369646.00",
        "weight": "0.00689046",
        "shared": true
      },
      {
        "name": "GILEAD SCIENCES INC",
        "value": "238797090.90",
        "weight": "0.00654582",
        "shared": true
      },
      {
        "name": "SEAGATE TECHNOLOGY HOLDINGS PLC",
        "value": "227205637.00",
        "weight": "0.00622808",
        "shared": true
      },
      {
        "name": "FIRST SOLAR INC",
        "value": "208132408.00",
        "weight": "0.00570525",
        "shared": false
      },
      {
        "name": "UCB SA",
        "value": "199171587.33",
        "weight": "0.00545962",
        "shared": true
      },
      {
        "name": "LUMENTUM HOLDINGS INC",
        "value": "195724080.00",
        "weight": "0.00536512",
        "shared": true
      },
      {
        "name": "LAM RESEARCH CORP",
        "value": "194705640.00",
        "weight": "0.00533720",
        "shared": true
      },
      {
        "name": "ARISTA NETWORKS INC",
        "value": "188313354.42",
        "weight": "0.00516198",
        "shared": true
      },
      {
        "name": "SYNOPSYS INC",
        "value": "187503670.41",
        "weight": "0.00513979",
        "shared": false
      },
      {
        "name": "MODERNA INC",
        "value": "178818432.00",
        "weight": "0.00490171",
        "shared": true
      },
      {
        "name": "DOMINOS PIZZA INC",
        "value": "176647475.33",
        "weight": "0.00484220",
        "shared": false
      },
      {
        "name": "NRG ENERGY INC",
        "value": "156445750.00",
        "weight": "0.00428844",
        "shared": true
      },
      {
        "name": "CADENCE DESIGN SYSTEMS INC",
        "value": "151108333.16",
        "weight": "0.00414213",
        "shared": false
      },
      {
        "name": "X.AI HOLDINGS CORP SER E PC PP",
        "value": "148564365.18",
        "weight": "0.00407240",
        "shared": true
      },
      {
        "name": "MONSTER BEVERAGE CORP",
        "value": "147355745.88",
        "weight": "0.00403926",
        "shared": false
      },
      {
        "name": "VISTRA CORP",
        "value": "141564900.00",
        "weight": "0.00388053",
        "shared": true
      },
      {
        "name": "ROBLOX CORP - A",
        "value": "141416880.00",
        "weight": "0.00387647",
        "shared": true
      },
      {
        "name": "ASTRAZENECA PLC SPONS ADR",
        "value": "139065291.41",
        "weight": "0.00381201",
        "shared": false
      },
      {
        "name": "CHROMA ATE",
        "value": "135923966.42",
        "weight": "0.00372590",
        "shared": false
      },
      {
        "name": "CRINETICS PHARMACEUTICALS INC",
        "value": "135128800.62",
        "weight": "0.00370410",
        "shared": true
      },
      {
        "name": "HANWHA AEROSPACE",
        "value": "128124461.48",
        "weight": "0.00351210",
        "shared": false
      },
      {
        "name": "WAYMO LLC SER C-2 PC PERP PP",
        "value": "119842049.72",
        "weight": "0.00328507",
        "shared": true
      },
      {
        "name": "VEEVA SYSTEMS-A",
        "value": "119081123.20",
        "weight": "0.00326421",
        "shared": false
      },
      {
        "name": "DATADOG INC CL A",
        "value": "116349204.00",
        "weight": "0.00318932",
        "shared": false
      },
      {
        "name": "CYTOKINETICS INC",
        "value": "96360389.89",
        "weight": "0.00264140",
        "shared": false
      },
      {
        "name": "DANAHER CORP",
        "value": "93076186.91",
        "weight": "0.00255137",
        "shared": true
      }
    ],
    "b_top": [
      {
        "name": "NVIDIA CORP",
        "value": "2330230201.80",
        "weight": "0.15591605",
        "shared": true
      },
      {
        "name": "APPLE INC",
        "value": "1408674365.28",
        "weight": "0.09425461",
        "shared": true
      },
      {
        "name": "ALPHABET INC CL A",
        "value": "1253560880.00",
        "weight": "0.08387595",
        "shared": true
      },
      {
        "name": "AMAZON.COM INC",
        "value": "1145935910.00",
        "weight": "0.07667474",
        "shared": true
      },
      {
        "name": "MICROSOFT CORP",
        "value": "984159288.00",
        "weight": "0.06585025",
        "shared": true
      },
      {
        "name": "META PLATFORMS INC CL A",
        "value": "709843715.00",
        "weight": "0.04749575",
        "shared": true
      },
      {
        "name": "BROADCOM INC",
        "value": "509837570.00",
        "weight": "0.03411331",
        "shared": true
      },
      {
        "name": "LILLY ELI and CO",
        "value": "389116899.85",
        "weight": "0.02603587",
        "shared": false
      },
      {
        "name": "SPACE EXPLORATION TECHNOLOGIES CORP CLASS C PP",
        "value": "384621390.00",
        "weight": "0.02573508",
        "shared": true
      },
      {
        "name": "NETFLIX INC",
        "value": "286424133.60",
        "weight": "0.01916468",
        "shared": true
      },
      {
        "name": "MARVELL TECHNOLOGY INC",
        "value": "239474453.40",
        "weight": "0.01602327",
        "shared": true
      },
      {
        "name": "TESLA INC",
        "value": "238191046.05",
        "weight": "0.01593740",
        "shared": true
      },
      {
        "name": "APPLOVIN CORP",
        "value": "184796766.00",
        "weight": "0.01236478",
        "shared": false
      },
      {
        "name": "TAIWAN SEMIC MFG CO LTD SP ADR",
        "value": "151826208.00",
        "weight": "0.01015871",
        "shared": true
      },
      {
        "name": "MASTERCARD INC CL A",
        "value": "136259991.00",
        "weight": "0.00911718",
        "shared": false
      },
      {
        "name": "SHARKNINJA INC",
        "value": "114298218.00",
        "weight": "0.00764771",
        "shared": false
      },
      {
        "name": "GILEAD SCIENCES INC",
        "value": "113645170.00",
        "weight": "0.00760402",
        "shared": true
      },
      {
        "name": "MICRON TECHNOLOGY INC",
        "value": "105918864.00",
        "weight": "0.00708705",
        "shared": true
      },
      {
        "name": "MONOLITHIC POWER SYS INC",
        "value": "103421800.00",
        "weight": "0.00691997",
        "shared": false
      },
      {
        "name": "BOSTON SCIENTIFIC CORP",
        "value": "95363188.00",
        "weight": "0.00638077",
        "shared": true
      },
      {
        "name": "FTAI AVIATION LTD",
        "value": "94957984.00",
        "weight": "0.00635365",
        "shared": false
      },
      {
        "name": "BOEING CO/THE",
        "value": "93693673.60",
        "weight": "0.00626906",
        "shared": false
      },
      {
        "name": "CELESTICA INC SUB VTG",
        "value": "89972998.00",
        "weight": "0.00602011",
        "shared": true
      },
      {
        "name": "WESTERN DIGITAL CORP",
        "value": "83576820.00",
        "weight": "0.00559214",
        "shared": true
      },
      {
        "name": "STARBUCKS CORP",
        "value": "79224120.00",
        "weight": "0.00530090",
        "shared": false
      },
      {
        "name": "LOWES COS INC",
        "value": "72348156.36",
        "weight": "0.00484083",
        "shared": false
      },
      {
        "name": "ORACLE CORP",
        "value": "71806254.00",
        "weight": "0.00480457",
        "shared": false
      },
      {
        "name": "GE VERNOVA LLC",
        "value": "70821075.00",
        "weight": "0.00473865",
        "shared": true
      },
      {
        "name": "LUMENTUM HOLDINGS INC",
        "value": "70648752.00",
        "weight": "0.00472712",
        "shared": true
      },
      {
        "name": "CARVANA CO CL A",
        "value": "70475027.00",
        "weight": "0.00471549",
        "shared": false
      },
      {
        "name": "WELLTOWER INC",
        "value": "69859710.24",
        "weight": "0.00467432",
        "shared": false
      },
      {
        "name": "ASTERA LABS INC",
        "value": "65896250.00",
        "weight": "0.00440913",
        "shared": true
      },
      {
        "name": "ABBVIE INC",
        "value": "63022626.00",
        "weight": "0.00421685",
        "shared": false
      },
      {
        "name": "X.AI HOLDINGS CORP SER E PC PP",
        "value": "60489415.14",
        "weight": "0.00404736",
        "shared": true
      },
      {
        "name": "GENERAL ELECTRIC CO",
        "value": "57492446.00",
        "weight": "0.00384683",
        "shared": false
      },
      {
        "name": "SNAP INC - A",
        "value": "56649285.00",
        "weight": "0.00379041",
        "shared": false
      },
      {
        "name": "GOLDMAN SACHS GROUP INC",
        "value": "55843977.00",
        "weight": "0.00373653",
        "shared": false
      },
      {
        "name": "TJX COS INC",
        "value": "54006505.00",
        "weight": "0.00361358",
        "shared": false
      },
      {
        "name": "ADV MICRO DEVICE",
        "value": "53382615.00",
        "weight": "0.00357184",
        "shared": true
      },
      {
        "name": "PALANTIR TECHNOLOGIES INC",
        "value": "51203887.00",
        "weight": "0.00342606",
        "shared": true
      },
      {
        "name": "SANDISK CORPORATION",
        "value": "50940500.00",
        "weight": "0.00340844",
        "shared": true
      },
      {
        "name": "SNOWFLAKE INC CL A",
        "value": "45776270.40",
        "weight": "0.00306290",
        "shared": false
      },
      {
        "name": "ANTHROPIC PBC SERIES F PC PP",
        "value": "45027692.34",
        "weight": "0.00301281",
        "shared": true
      },
      {
        "name": "UBER TECHNOLOGIES INC",
        "value": "44651890.00",
        "weight": "0.00298766",
        "shared": false
      },
      {
        "name": "ARITZIA INC-SUB",
        "value": "44401269.78",
        "weight": "0.00297090",
        "shared": false
      },
      {
        "name": "BRINKER INTL",
        "value": "44319320.00",
        "weight": "0.00296541",
        "shared": false
      },
      {
        "name": "AMPHENOL CORPORATION CL A",
        "value": "43411304.00",
        "weight": "0.00290466",
        "shared": false
      },
      {
        "name": "SHOPIFY INC CL A",
        "value": "43393066.50",
        "weight": "0.00290344",
        "shared": true
      },
      {
        "name": "ROBINHOOD MARKETS INC",
        "value": "41841288.00",
        "weight": "0.00279961",
        "shared": false
      },
      {
        "name": "COHERENT CORP",
        "value": "41099266.00",
        "weight": "0.00274996",
        "shared": true
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000035402-26-002031",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/754510/000003540226002031/0000035402-26-002031-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000035402-26-002063",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/754510/000003540226002063/0000035402-26-002063-index.htm"
    }
  ]
}