{
  "page": "compare",
  "query": {
    "a": "CMGSX",
    "b": "PRDMX"
  },
  "retrieved_at": "2026-07-07T16:49:44+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": "BlackRock Mid-Cap Growth Equity Portfolio",
    "ticker": "CMGSX",
    "slug": "CMGSX",
    "series_id": "S000001505",
    "html_url": "https://fundwatcher.app/funds/CMGSX/"
  },
  "fund_b": {
    "name": "T. Rowe Price Diversified Mid-Cap Growth Fund, Inc.",
    "ticker": "PRDMX",
    "slug": "PRDMX",
    "series_id": "S000002073",
    "html_url": "https://fundwatcher.app/funds/PRDMX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.3445498975875727066440222763",
    "coverage_b_by_a": "0.3445498975875727066440222765",
    "shared_count": 41,
    "as_of": {
      "a": "2026-02-27",
      "b": "2026-03-31"
    },
    "a_top": [
      {
        "name": "CENCORA INC",
        "value": "312973089.26",
        "weight": "0.05166435",
        "shared": true
      },
      {
        "name": "HOWMET AEROSPACE INC",
        "value": "296276393.79",
        "weight": "0.04890812",
        "shared": true
      },
      {
        "name": "ROYAL CARIBBEAN CRUISES LTD",
        "value": "243616947.60",
        "weight": "0.04021531",
        "shared": true
      },
      {
        "name": "DEXCOM INC",
        "value": "212380560.98",
        "weight": "0.03505893",
        "shared": true
      },
      {
        "name": "HEICO CORP",
        "value": "208762957.02",
        "weight": "0.03446175",
        "shared": true
      },
      {
        "name": "IDEXX LABS INC",
        "value": "202741745.22",
        "weight": "0.03346780",
        "shared": true
      },
      {
        "name": "LUMENTUM HOLDINGS INC",
        "value": "196423719.31",
        "weight": "0.03242484",
        "shared": true
      },
      {
        "name": "VERTIV HOLDINGS CO",
        "value": "193145446.40",
        "weight": "0.03188368",
        "shared": true
      },
      {
        "name": "SNOWFLAKE INC CL A",
        "value": "179196155.27",
        "weight": "0.02958098",
        "shared": false
      },
      {
        "name": "AXON ENTERPRISE INC",
        "value": "173205134.40",
        "weight": "0.02859201",
        "shared": true
      },
      {
        "name": "MONOLITHIC POWER SYS INC",
        "value": "172552597.26",
        "weight": "0.02848429",
        "shared": true
      },
      {
        "name": "BlackRock Cash Funds: Institutional, SL Agency Shares",
        "value": "171260290.20",
        "weight": "0.02827096",
        "shared": false
      },
      {
        "name": "CORNING INC",
        "value": "161495036.94",
        "weight": "0.02665895",
        "shared": false
      },
      {
        "name": "TAKE-TWO INTERACTV SOFTWR INC",
        "value": "153925718.00",
        "weight": "0.02540944",
        "shared": true
      },
      {
        "name": "CARVANA CO CL A",
        "value": "150907658.48",
        "weight": "0.02491123",
        "shared": true
      },
      {
        "name": "QUANTA SVCS INC",
        "value": "149003918.84",
        "weight": "0.02459697",
        "shared": true
      },
      {
        "name": "HILTON WORLDWIDE HOLDINGS INC",
        "value": "141275936.06",
        "weight": "0.02332127",
        "shared": true
      },
      {
        "name": "NATERA INC",
        "value": "134844454.64",
        "weight": "0.02225958",
        "shared": true
      },
      {
        "name": "TERADYNE INC",
        "value": "134243624.16",
        "weight": "0.02216040",
        "shared": true
      },
      {
        "name": "TEXAS PACIFIC LAND CORP",
        "value": "129530563.11",
        "weight": "0.02138239",
        "shared": true
      },
      {
        "name": "EQT CORPORATION",
        "value": "128150127.52",
        "weight": "0.02115451",
        "shared": true
      },
      {
        "name": "TOWER SEMICONDCT",
        "value": "125781426.13",
        "weight": "0.02076349",
        "shared": true
      },
      {
        "name": "AFFIRM HOLDINGS INC",
        "value": "119798671.14",
        "weight": "0.01977589",
        "shared": true
      },
      {
        "name": "BWX TECHNOLOGIES INC",
        "value": "117723749.40",
        "weight": "0.01943337",
        "shared": true
      },
      {
        "name": "PLANET FITNESS INC CL A",
        "value": "116515316.60",
        "weight": "0.01923388",
        "shared": true
      },
      {
        "name": "MONGODB INC CL A",
        "value": "113552735.94",
        "weight": "0.01874483",
        "shared": true
      },
      {
        "name": "ROBINHOOD MARKETS INC",
        "value": "110730229.30",
        "weight": "0.01827890",
        "shared": true
      },
      {
        "name": "WINGSTOP INC",
        "value": "102784125.70",
        "weight": "0.01696719",
        "shared": true
      },
      {
        "name": "TKO GROUP HOLDINGS INC",
        "value": "92039225.36",
        "weight": "0.01519347",
        "shared": true
      },
      {
        "name": "REPLIGEN CORP",
        "value": "91488282.27",
        "weight": "0.01510252",
        "shared": true
      },
      {
        "name": "ROBLOX CORP - A",
        "value": "88685169.62",
        "weight": "0.01463979",
        "shared": true
      },
      {
        "name": "DATADOG INC CL A",
        "value": "85047055.20",
        "weight": "0.01403923",
        "shared": true
      },
      {
        "name": "COMFORT SYSTEMS USA INC",
        "value": "84398581.02",
        "weight": "0.01393218",
        "shared": true
      },
      {
        "name": "DUTCH BROS INC-A",
        "value": "78945657.12",
        "weight": "0.01303203",
        "shared": true
      },
      {
        "name": "WYNN RESORTS LTD",
        "value": "71066765.30",
        "weight": "0.01173142",
        "shared": false
      },
      {
        "name": "CASEY'S GENERAL",
        "value": "69718332.69",
        "weight": "0.01150882",
        "shared": true
      },
      {
        "name": "NORWEGIAN CRUISE LINE HLDGS LTD",
        "value": "68410459.21",
        "weight": "0.01129292",
        "shared": false
      },
      {
        "name": "VIKING HOLDINGS LTD",
        "value": "67620636.18",
        "weight": "0.01116254",
        "shared": true
      },
      {
        "name": "FABRINET",
        "value": "66760013.02",
        "weight": "0.01102048",
        "shared": true
      },
      {
        "name": "ZSCALER INC",
        "value": "61063173.76",
        "weight": "0.01008006",
        "shared": true
      },
      {
        "name": "RALPH LAUREN CORP",
        "value": "56775545.40",
        "weight": "0.00937228",
        "shared": true
      },
      {
        "name": "PLANET LABS PBC A",
        "value": "48604345.04",
        "weight": "0.00802341",
        "shared": false
      },
      {
        "name": "MEDLINE INC-A",
        "value": "47890697.63",
        "weight": "0.00790560",
        "shared": true
      },
      {
        "name": "ATI INC",
        "value": "43522137.96",
        "weight": "0.00718446",
        "shared": false
      },
      {
        "name": "ROCKET COS INC-A",
        "value": "41418648.19",
        "weight": "0.00683722",
        "shared": true
      },
      {
        "name": "WAYFAIR INC- A",
        "value": "40973104.37",
        "weight": "0.00676368",
        "shared": true
      },
      {
        "name": "KARMAN HOLDINGS INC",
        "value": "37314673.11",
        "weight": "0.00615976",
        "shared": true
      },
      {
        "name": "KRATOS DEFENSE and SEC SOLTN INC",
        "value": "32886718.90",
        "weight": "0.00542881",
        "shared": true
      },
      {
        "name": "WESCO INTL",
        "value": "32228587.50",
        "weight": "0.00532017",
        "shared": false
      },
      {
        "name": "AEROVIRONMENT INC",
        "value": "29977894.50",
        "weight": "0.00494863",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "HOWMET AEROSPACE INC",
        "value": "138460368.00",
        "weight": "0.03236047",
        "shared": true
      },
      {
        "name": "VERTIV HOLDINGS CO",
        "value": "131398639.24",
        "weight": "0.03071003",
        "shared": true
      },
      {
        "name": "ROYAL CARIBBEAN CRUISES LTD",
        "value": "109590435.00",
        "weight": "0.02561309",
        "shared": true
      },
      {
        "name": "HILTON WORLDWIDE HOLDINGS INC",
        "value": "95021959.20",
        "weight": "0.02220820",
        "shared": true
      },
      {
        "name": "CLOUDFLARE INC-A",
        "value": "91283784.30",
        "weight": "0.02133453",
        "shared": false
      },
      {
        "name": "CENCORA INC",
        "value": "89608435.00",
        "weight": "0.02094297",
        "shared": true
      },
      {
        "name": "QUANTA SVCS INC",
        "value": "83472451.78",
        "weight": "0.01950889",
        "shared": true
      },
      {
        "name": "MONOLITHIC POWER SYS INC",
        "value": "78885202.50",
        "weight": "0.01843677",
        "shared": true
      },
      {
        "name": "VISTRA CORP",
        "value": "73584731.04",
        "weight": "0.01719797",
        "shared": false
      },
      {
        "name": "TARGA RESOURCES CORP",
        "value": "72784160.97",
        "weight": "0.01701086",
        "shared": false
      },
      {
        "name": "COMFORT SYSTEMS USA INC",
        "value": "72504536.22",
        "weight": "0.01694551",
        "shared": true
      },
      {
        "name": "IDEXX LABS INC",
        "value": "69561982.00",
        "weight": "0.01625778",
        "shared": true
      },
      {
        "name": "CARVANA CO CL A",
        "value": "68778484.50",
        "weight": "0.01607467",
        "shared": true
      },
      {
        "name": "ALNYLAM PHARMACEUTICALS INC",
        "value": "62472888.18",
        "weight": "0.01460094",
        "shared": false
      },
      {
        "name": "AMERIPRISE FINANCIAL INC",
        "value": "59262073.20",
        "weight": "0.01385052",
        "shared": false
      },
      {
        "name": "ROBLOX CORP - A",
        "value": "55711600.00",
        "weight": "0.01302072",
        "shared": true
      },
      {
        "name": "FASTENAL CO",
        "value": "53646752.00",
        "weight": "0.01253813",
        "shared": false
      },
      {
        "name": "AXON ENTERPRISE INC",
        "value": "50761072.25",
        "weight": "0.01186370",
        "shared": true
      },
      {
        "name": "INSMED INC",
        "value": "47392184.00",
        "weight": "0.01107634",
        "shared": false
      },
      {
        "name": "DATADOG INC CL A",
        "value": "45401557.80",
        "weight": "0.01061109",
        "shared": true
      },
      {
        "name": "CARDINAL HEALTH INC",
        "value": "45236188.25",
        "weight": "0.01057244",
        "shared": false
      },
      {
        "name": "EXPEDIA INC",
        "value": "44527136.50",
        "weight": "0.01040673",
        "shared": false
      },
      {
        "name": "HEICO CORP",
        "value": "43711593.00",
        "weight": "0.01021612",
        "shared": true
      },
      {
        "name": "NATERA INC",
        "value": "42457877.00",
        "weight": "0.00992311",
        "shared": true
      },
      {
        "name": "LIVE NATION ENTERTAINMENT INC",
        "value": "40022436.75",
        "weight": "0.00935390",
        "shared": false
      },
      {
        "name": "ROCKET LAB CORP",
        "value": "39877409.00",
        "weight": "0.00932001",
        "shared": false
      },
      {
        "name": "FTAI AVIATION LTD",
        "value": "39714500.00",
        "weight": "0.00928193",
        "shared": false
      },
      {
        "name": "NRG ENERGY INC",
        "value": "39260511.00",
        "weight": "0.00917583",
        "shared": false
      },
      {
        "name": "LPL FINL HLDGS INC",
        "value": "39253802.55",
        "weight": "0.00917426",
        "shared": false
      },
      {
        "name": "CHENIERE ENERGY INC",
        "value": "39102128.00",
        "weight": "0.00913881",
        "shared": false
      },
      {
        "name": "DARDEN RESTAURANTS INC",
        "value": "38156637.48",
        "weight": "0.00891784",
        "shared": false
      },
      {
        "name": "BURLINGTON STORES INC",
        "value": "36767289.24",
        "weight": "0.00859312",
        "shared": false
      },
      {
        "name": "MSCI INC",
        "value": "35607539.61",
        "weight": "0.00832207",
        "shared": false
      },
      {
        "name": "TRACTOR SUPPLY CO.",
        "value": "34849290.00",
        "weight": "0.00814485",
        "shared": false
      },
      {
        "name": "CORPAY INC",
        "value": "33240660.67",
        "weight": "0.00776889",
        "shared": false
      },
      {
        "name": "TAPESTRY INC",
        "value": "32822186.00",
        "weight": "0.00767109",
        "shared": false
      },
      {
        "name": "FAIR ISAAC CORP",
        "value": "31781733.34",
        "weight": "0.00742792",
        "shared": false
      },
      {
        "name": "DEXCOM INC",
        "value": "31776800.00",
        "weight": "0.00742676",
        "shared": true
      },
      {
        "name": "REDDIT INC-A",
        "value": "31741852.40",
        "weight": "0.00741859",
        "shared": false
      },
      {
        "name": "ROSS STORES INC",
        "value": "31714632.00",
        "weight": "0.00741223",
        "shared": false
      },
      {
        "name": "VEEVA SYSTEMS-A",
        "value": "30779145.20",
        "weight": "0.00719359",
        "shared": false
      },
      {
        "name": "TEXAS PACIFIC LAND CORP",
        "value": "30609120.00",
        "weight": "0.00715386",
        "shared": true
      },
      {
        "name": "US FOODS HOLDING CORP",
        "value": "30290985.00",
        "weight": "0.00707950",
        "shared": false
      },
      {
        "name": "VERISK ANALYTICS INC",
        "value": "27527791.50",
        "weight": "0.00643370",
        "shared": false
      },
      {
        "name": "YUM! BRANDS INC",
        "value": "26742560.00",
        "weight": "0.00625018",
        "shared": false
      },
      {
        "name": "ZSCALER INC",
        "value": "26157210.79",
        "weight": "0.00611337",
        "shared": true
      },
      {
        "name": "COUPANG INC A",
        "value": "25750432.00",
        "weight": "0.00601830",
        "shared": false
      },
      {
        "name": "BANK OF NEW YORK MELLON CORP",
        "value": "24520821.00",
        "weight": "0.00573092",
        "shared": false
      },
      {
        "name": "SIMON PROPERTY",
        "value": "23913146.00",
        "weight": "0.00558890",
        "shared": false
      },
      {
        "name": "TEMPUR SEALY INTERNATIONAL INC",
        "value": "23055648.00",
        "weight": "0.00538849",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000940400-26-014714",
      "as_of": "2026-02-27",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/844779/000094040026014714/0000940400-26-014714-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001099263-26-006616",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1267862/000109926326006616/0001099263-26-006616-index.htm"
    }
  ]
}