{
  "page": "compare",
  "query": {
    "a": "JSIGX",
    "b": "JAMFX"
  },
  "retrieved_at": "2026-07-07T16:39:23+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": "Jacob Small Cap Growth Fund",
    "ticker": "JSIGX",
    "slug": "JSIGX",
    "series_id": "S000027365",
    "html_url": "https://fundwatcher.app/funds/JSIGX/"
  },
  "fund_b": {
    "name": "Jacob Internet Fund",
    "ticker": "JAMFX",
    "slug": "JAMFX",
    "series_id": "S000005257",
    "html_url": "https://fundwatcher.app/funds/JAMFX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.5285182708895945031947002788",
    "coverage_b_by_a": "0.5285182708895945031947002788",
    "shared_count": 19,
    "as_of": {
      "a": "2026-02-28",
      "b": "2026-02-28"
    },
    "a_top": [
      {
        "name": "FRST AM-GV OB-X",
        "value": "754775.26",
        "weight": "0.07794335",
        "shared": true
      },
      {
        "name": "HARROW INC",
        "value": "612992.52",
        "weight": "0.06330188",
        "shared": false
      },
      {
        "name": "CELCUITY INC",
        "value": "536208.00",
        "weight": "0.05537258",
        "shared": false
      },
      {
        "name": "PORCH GROUP INC",
        "value": "512213.69",
        "weight": "0.05289476",
        "shared": true
      },
      {
        "name": "ALPHATEC HOLDINGS INC",
        "value": "472110.06",
        "weight": "0.04875338",
        "shared": false
      },
      {
        "name": "MONGODB INC CL A",
        "value": "459858.00",
        "weight": "0.04748814",
        "shared": true
      },
      {
        "name": "OMEROS CORP",
        "value": "457900.00",
        "weight": "0.04728595",
        "shared": false
      },
      {
        "name": "DRAFTKINGS INC",
        "value": "433888.00",
        "weight": "0.04480630",
        "shared": true
      },
      {
        "name": "OPTIMIZERX CORP",
        "value": "363347.30",
        "weight": "0.03752177",
        "shared": true
      },
      {
        "name": "HERON THERAPEUTICS INC",
        "value": "353545.43",
        "weight": "0.03650957",
        "shared": false
      },
      {
        "name": "BEAM THERAPEUTICS INC",
        "value": "347212.00",
        "weight": "0.03585553",
        "shared": false
      },
      {
        "name": "BRAZE INC-A",
        "value": "339921.00",
        "weight": "0.03510261",
        "shared": true
      },
      {
        "name": "ZILLOW GROUP INC CL C",
        "value": "339112.00",
        "weight": "0.03501907",
        "shared": true
      },
      {
        "name": "POWERFLEET INC",
        "value": "315945.00",
        "weight": "0.03262668",
        "shared": true
      },
      {
        "name": "DOXIMITY INC-A",
        "value": "296813.00",
        "weight": "0.03065098",
        "shared": true
      },
      {
        "name": "CIRCLE INTERNET GROUP INC A",
        "value": "275352.00",
        "weight": "0.02843477",
        "shared": true
      },
      {
        "name": "WM TECHNOLOGY IN",
        "value": "262440.40",
        "weight": "0.02710143",
        "shared": true
      },
      {
        "name": "CRISPR THERAPEUTICS AG",
        "value": "246574.00",
        "weight": "0.02546295",
        "shared": false
      },
      {
        "name": "NEXTDOOR HOLDINGS INC",
        "value": "210700.00",
        "weight": "0.02175835",
        "shared": true
      },
      {
        "name": "SNAP INC - A",
        "value": "202148.00",
        "weight": "0.02087521",
        "shared": true
      },
      {
        "name": "Grab Holdings Ltd., Class A",
        "value": "189900.00",
        "weight": "0.01961040",
        "shared": true
      },
      {
        "name": "DIAMEDICA THERAPEUTICS INC",
        "value": "174900.00",
        "weight": "0.01806139",
        "shared": false
      },
      {
        "name": "ZHIHU INC - ADR DEPOSITARY RECEIPT",
        "value": "159360.00",
        "weight": "0.01645662",
        "shared": true
      },
      {
        "name": "ESPERION THERAPEUTICS INC NEW",
        "value": "157450.00",
        "weight": "0.01625938",
        "shared": false
      },
      {
        "name": "CODEXIS INC",
        "value": "154576.46",
        "weight": "0.01596264",
        "shared": false
      },
      {
        "name": "IDEAYA BIOSCIENCES",
        "value": "143257.80",
        "weight": "0.01479380",
        "shared": false
      },
      {
        "name": "IDENTIV INC",
        "value": "137970.00",
        "weight": "0.01424774",
        "shared": true
      },
      {
        "name": "CARTESIAN THERAPEUTICS INC",
        "value": "136620.00",
        "weight": "0.01410833",
        "shared": false
      },
      {
        "name": "KRYSTAL BIOTECH INC",
        "value": "132307.20",
        "weight": "0.01366296",
        "shared": false
      },
      {
        "name": "TELA BIO INC",
        "value": "127610.70",
        "weight": "0.01317797",
        "shared": false
      },
      {
        "name": "IMPINJ INC",
        "value": "123150.64",
        "weight": "0.01271739",
        "shared": true
      },
      {
        "name": "OVERSTOCK.COM INC DEL",
        "value": "111930.00",
        "weight": "0.01155867",
        "shared": true
      },
      {
        "name": "CAREDX INC",
        "value": "86614.92",
        "weight": "0.00894446",
        "shared": false
      },
      {
        "name": "IMMERSION CORP",
        "value": "54935.01",
        "weight": "0.00567297",
        "shared": true
      }
    ],
    "b_top": [
      {
        "name": "PORCH GROUP INC",
        "value": "2490093.00",
        "weight": "0.05978782",
        "shared": true
      },
      {
        "name": "MONGODB INC CL A",
        "value": "2324582.19",
        "weight": "0.05581386",
        "shared": true
      },
      {
        "name": "DRAFTKINGS INC",
        "value": "2131296.00",
        "weight": "0.05117300",
        "shared": true
      },
      {
        "name": "COINBASE GLOBAL INC",
        "value": "2075030.00",
        "weight": "0.04982204",
        "shared": false
      },
      {
        "name": "OPTIMIZERX CORP",
        "value": "1797233.16",
        "weight": "0.04315206",
        "shared": true
      },
      {
        "name": "BLOCK INC CL A",
        "value": "1719900.00",
        "weight": "0.04129527",
        "shared": false
      },
      {
        "name": "BRAZE INC-A",
        "value": "1716696.00",
        "weight": "0.04121834",
        "shared": true
      },
      {
        "name": "ZILLOW GROUP INC CL C",
        "value": "1712292.50",
        "weight": "0.04111262",
        "shared": true
      },
      {
        "name": "POWERFLEET INC",
        "value": "1627627.26",
        "weight": "0.03907978",
        "shared": true
      },
      {
        "name": "SNOWFLAKE INC CL A",
        "value": "1549372.00",
        "weight": "0.03720085",
        "shared": false
      },
      {
        "name": "DOXIMITY INC-A",
        "value": "1503689.00",
        "weight": "0.03610399",
        "shared": true
      },
      {
        "name": "COMSCORE INC",
        "value": "1503307.50",
        "weight": "0.03609483",
        "shared": false
      },
      {
        "name": "FRST AM-GV OB-X",
        "value": "1414994.05",
        "weight": "0.03397440",
        "shared": true
      },
      {
        "name": "CIRCLE INTERNET GROUP INC A",
        "value": "1376760.00",
        "weight": "0.03305639",
        "shared": true
      },
      {
        "name": "ROBINHOOD MARKETS INC",
        "value": "1365300.00",
        "weight": "0.03278123",
        "shared": false
      },
      {
        "name": "WM TECHNOLOGY IN",
        "value": "1293321.55",
        "weight": "0.03105301",
        "shared": true
      },
      {
        "name": "CLOUDFLARE INC-A",
        "value": "1256987.00",
        "weight": "0.03018060",
        "shared": false
      },
      {
        "name": "ROCKET COS INC-A",
        "value": "1195083.00",
        "weight": "0.02869427",
        "shared": false
      },
      {
        "name": "FREIGHTOS LTD",
        "value": "1062543.24",
        "weight": "0.02551196",
        "shared": false
      },
      {
        "name": "NEXTDOOR HOLDINGS INC",
        "value": "1055425.00",
        "weight": "0.02534105",
        "shared": true
      },
      {
        "name": "SNAP INC - A",
        "value": "1006051.00",
        "weight": "0.02415556",
        "shared": true
      },
      {
        "name": "Grab Holdings Ltd., Class A",
        "value": "911520.00",
        "weight": "0.02188585",
        "shared": true
      },
      {
        "name": "REPOSITRAK INC",
        "value": "904800.00",
        "weight": "0.02172450",
        "shared": false
      },
      {
        "name": "REDDIT INC-A",
        "value": "874860.00",
        "weight": "0.02100563",
        "shared": false
      },
      {
        "name": "ZHIHU INC - ADR DEPOSITARY RECEIPT",
        "value": "813400.00",
        "weight": "0.01952996",
        "shared": true
      },
      {
        "name": "IDENTIV INC",
        "value": "742536.90",
        "weight": "0.01782852",
        "shared": true
      },
      {
        "name": "IMPINJ INC",
        "value": "591221.20",
        "weight": "0.01419538",
        "shared": true
      },
      {
        "name": "OVERSTOCK.COM INC DEL",
        "value": "575640.00",
        "weight": "0.01382128",
        "shared": true
      },
      {
        "name": "LIGHTWAVE LOGIC INC",
        "value": "573300.00",
        "weight": "0.01376509",
        "shared": false
      },
      {
        "name": "SOFI TECHNOLOGIES INC A",
        "value": "550560.00",
        "weight": "0.01321910",
        "shared": false
      },
      {
        "name": "ATOMERA INC",
        "value": "504000.00",
        "weight": "0.01210118",
        "shared": false
      },
      {
        "name": "IMMERSION CORP",
        "value": "446708.21",
        "weight": "0.01072559",
        "shared": true
      },
      {
        "name": "INSPIRED ENTERTAINMENT INC",
        "value": "398558.88",
        "weight": "0.00956951",
        "shared": false
      },
      {
        "name": "FLUTTER ENTERTAINMENT PLC",
        "value": "307806.00",
        "weight": "0.00739051",
        "shared": false
      },
      {
        "name": "NU HOLDINGS LTD/CAYMAN ISLANDS",
        "value": "269640.00",
        "weight": "0.00647413",
        "shared": false
      },
      {
        "name": "BED BATH & BEYOND INC Warrants (OCT 2025)",
        "value": "6699.87",
        "weight": "0.00016087",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000894189-26-012535",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1090372/000089418926012535/0000894189-26-012535-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000894189-26-012534",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1090372/000089418926012534/0000894189-26-012534-index.htm"
    }
  ]
}