{
  "page": "compare",
  "query": {
    "a": "VB",
    "b": "BBMC"
  },
  "retrieved_at": "2026-07-07T17:39:39+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": "VANGUARD SMALL-CAP INDEX FUND",
    "ticker": "VB",
    "slug": "VB",
    "series_id": "S000002845",
    "html_url": "https://fundwatcher.app/funds/VB/"
  },
  "fund_b": {
    "name": "JPMorgan BetaBuilders U.S. Mid Cap Equity ETF",
    "ticker": "BBMC",
    "slug": "BBMC",
    "series_id": "S000068165",
    "html_url": "https://fundwatcher.app/funds/BBMC/"
  },
  "overlap": {
    "coverage_a_by_b": "0.5682716846436303947811598822",
    "coverage_b_by_a": "0.5682716846436303947811598822",
    "shared_count": 525,
    "as_of": {
      "a": "2026-03-31",
      "b": "2026-01-31"
    },
    "a_top": [
      {
        "name": "Vanguard Market Liquidity Fund",
        "value": "2351655312.95",
        "weight": "0.01412621",
        "shared": false
      },
      {
        "name": "EMCOR GROUP INC",
        "value": "758128455.33",
        "weight": "0.00455402",
        "shared": false
      },
      {
        "name": "NRG ENERGY INC",
        "value": "715635158.10",
        "weight": "0.00429876",
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      },
      {
        "name": "ATMOS ENERGY CORP",
        "value": "704658957.52",
        "weight": "0.00423283",
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      },
      {
        "name": "TAPESTRY INC",
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      },
      {
        "name": "TECHNIPFMC PLC",
        "value": "637707451.41",
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      },
      {
        "name": "CIENA CORP",
        "value": "633182165.58",
        "weight": "0.00380348",
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      },
      {
        "name": "CASEY'S GENERAL",
        "value": "622090296.24",
        "weight": "0.00373685",
        "shared": true
      },
      {
        "name": "JABIL INC",
        "value": "614424502.92",
        "weight": "0.00369080",
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      },
      {
        "name": "NATERA INC",
        "value": "610894253.76",
        "weight": "0.00366959",
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      },
      {
        "name": "EXPAND ENERGY CORP",
        "value": "608516468.12",
        "weight": "0.00365531",
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      },
      {
        "name": "UNITED THERAPEUTICS CORP DEL",
        "value": "599248391.58",
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      },
      {
        "name": "FTAI AVIATION LT",
        "value": "579458810.00",
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      },
      {
        "name": "CURTISS WRIGHT CORPORATION",
        "value": "579031009.92",
        "weight": "0.00347819",
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      },
      {
        "name": "LUMENTUM HOLDINGS INC",
        "value": "578495868.52",
        "weight": "0.00347498",
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      },
      {
        "name": "COMFORT SYSTEMS USA INC",
        "value": "559221814.70",
        "weight": "0.00335920",
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      },
      {
        "name": "FLEX LTD",
        "value": "554959210.02",
        "weight": "0.00333360",
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      },
      {
        "name": "OMNICOM GROUP INC",
        "value": "538891850.88",
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      },
      {
        "name": "COHERENT CORP",
        "value": "514884483.33",
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      },
      {
        "name": "WILLIAMS-SONOMA INC",
        "value": "501897238.38",
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      },
      {
        "name": "XPO LOGISTICS INC",
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      },
      {
        "name": "ROYAL GOLD INC",
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      },
      {
        "name": "AST SPACEMOBILE INC",
        "value": "496052278.83",
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      },
      {
        "name": "WOODWARD INC",
        "value": "492002916.64",
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      },
      {
        "name": "ALBEMARLE CORP",
        "value": "487842075.37",
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      {
        "name": "SMURFIT WESTROCK",
        "value": "479936065.25",
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      },
      {
        "name": "US FOODS HOLDING CORP",
        "value": "468911271.34",
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      {
        "name": "MASTEC INC",
        "value": "468248813.36",
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      },
      {
        "name": "SOFI TECHNOLOGIES INC A",
        "value": "466942284.88",
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      {
        "name": "CF INDUSTRIES HOLDINGS INC",
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      {
        "name": "ATI INC",
        "value": "459282386.08",
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      {
        "name": "EQT CORPORATION",
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      {
        "name": "CH ROBINSON WORLDWIDE INC",
        "value": "454239646.10",
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      {
        "name": "BUNGE GLOBAL SA",
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      {
        "name": "NVENT ELECTRIC",
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      {
        "name": "TWILIO INC CLASS A",
        "value": "439571168.82",
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      {
        "name": "LIBERTY MEDIA CORP LIBERTY FORMULA ONE CL C",
        "value": "438515560.86",
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      },
      {
        "name": "DUPONT DE NEMOURS INC",
        "value": "431866474.20",
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      {
        "name": "BWX TECHNOLOGIES INC",
        "value": "431167573.98",
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      {
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        "value": "430815155.52",
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      },
      {
        "name": "CARPENTER TECHNOLOGY CORP",
        "value": "430046028.80",
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      },
      {
        "name": "PURE STORAGE INC CL A",
        "value": "426997117.44",
        "weight": "0.00256494",
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      {
        "name": "REVOLUTION MEDICINES INC",
        "value": "422166042.75",
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      },
      {
        "name": "ROCKET LAB CORP",
        "value": "420128845.50",
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      {
        "name": "MODERNA INC",
        "value": "416347808.40",
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      {
        "name": "BLOOM ENERGY CORP CL A",
        "value": "416319852.02",
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      {
        "name": "ILLUMINA INC",
        "value": "412834964.52",
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      {
        "name": "ENTEGRIS INC",
        "value": "410895014.16",
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      {
        "name": "RB GLOBAL INC",
        "value": "410868597.15",
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      {
        "name": "INSMED INC",
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    ],
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        "name": "JPMorgan Securities Lending Money Market Fund, Class Agency SL Shares",
        "value": "109730233.35",
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      },
      {
        "name": "SANDISK CORPORATION",
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      {
        "name": "JPMORGAN US GOVERNMENT MONEY MARKET FUND OPEN-END FUND USD",
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      },
      {
        "name": "CIENA CORP",
        "value": "14554366.19",
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      {
        "name": "COHERENT CORP",
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      {
        "name": "NATERA INC",
        "value": "12420076.76",
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      },
      {
        "name": "LUMENTUM HOLDINGS INC",
        "value": "11056549.28",
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      },
      {
        "name": "AST SPACEMOBILE INC",
        "value": "10912814.88",
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      },
      {
        "name": "TAPESTRY INC",
        "value": "10739251.11",
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      {
        "name": "WILLIAMS-SONOMA INC",
        "value": "10286527.60",
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      {
        "name": "CURTISS WRIGHT CORPORATION",
        "value": "10111055.93",
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      {
        "name": "JABIL INC",
        "value": "9671185.06",
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      {
        "name": "CH ROBINSON WORLDWIDE INC",
        "value": "9392301.10",
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      {
        "name": "REDDIT INC-A",
        "value": "9311306.04",
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      {
        "name": "CASEY'S GENERAL",
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      {
        "name": "TECHNIPFMC PLC",
        "value": "8695106.00",
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      {
        "name": "ROYAL GOLD INC",
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      {
        "name": "QNITY ELECTRONICS INC",
        "value": "8219831.34",
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        "name": "ALBEMARLE CORP",
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      {
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        "name": "EXACT SCIENCES CORP",
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      {
        "name": "UNITED THERAPEUTICS CORP DEL",
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        "name": "DECKERS OUTDOOR CORP",
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      {
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      {
        "name": "RELIANCE STEEL and ALUMINUM CO",
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        "name": "KRATOS DEFENSE and SEC SOLTN INC",
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        "name": "JONES LANG LASALLE INC",
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      {
        "name": "NEXTRACKER INC CL A",
        "value": "6871075.38",
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      {
        "name": "TENET HEALTHCARE CORP",
        "value": "6775845.44",
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      {
        "name": "HUNTINGTON INGALLS INDUSTRIES INC",
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      {
        "name": "TEMPUR SEALY INTERNATIONAL INC",
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      {
        "name": "ATI INC",
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        "name": "AFFIRM HOLDINGS INC",
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      {
        "name": "ROCKET COS INC-A",
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      {
        "name": "VIATRIS INC",
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        "name": "RBC BEARINGS INC",
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        "name": "TOAST INC-A",
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      {
        "name": "BUNGE GLOBAL SA",
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      {
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        "name": "MODERNA INC",
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      },
      {
        "name": "ECHOSTAR CORP CL A",
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      },
      {
        "name": "CARPENTER TECHNOLOGY CORP",
        "value": "6171940.77",
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      {
        "name": "MUELLER INDUSTRIES INC",
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      },
      {
        "name": "LINCOLN ELECTRIC HLDGS INC",
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      },
      {
        "name": "ALCOA CORP",
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    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000036405-26-000319",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/36405/000003640526000319/0000036405-26-000319-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0002071691-26-007430",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1485894/000207169126007430/0002071691-26-007430-index.htm"
    }
  ]
}