{
  "page": "compare",
  "query": {
    "a": "TRCSX",
    "b": "IWM"
  },
  "retrieved_at": "2026-07-07T18:24:07+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": "T. Rowe Price Small-Cap Index Fund",
    "ticker": "TRCSX",
    "slug": "TRCSX",
    "series_id": "S000051327",
    "html_url": "https://fundwatcher.app/funds/TRCSX/"
  },
  "fund_b": {
    "name": "iShares Russell 2000 ETF",
    "ticker": "IWM",
    "slug": "IWM",
    "series_id": "S000004344",
    "html_url": "https://fundwatcher.app/funds/IWM/"
  },
  "overlap": {
    "coverage_a_by_b": "0.8710759337696685452370864908",
    "coverage_b_by_a": "0.8710759337696685452370864906",
    "shared_count": 1927,
    "as_of": {
      "a": "2026-03-31",
      "b": "2026-03-31"
    },
    "a_top": [
      {
        "name": "TREASURY RESERVE FUND - Collateral",
        "value": "11556100.09",
        "weight": "0.03162455",
        "shared": false
      },
      {
        "name": "BLOOM ENERGY CORP CL A",
        "value": "3555257.60",
        "weight": "0.00972936",
        "shared": true
      },
      {
        "name": "COEUR MINING INC",
        "value": "2300244.73",
        "weight": "0.00629487",
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      },
      {
        "name": "FABRINET",
        "value": "2260789.20",
        "weight": "0.00618690",
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      },
      {
        "name": "NEXTRACKER INC CL A",
        "value": "2110107.20",
        "weight": "0.00577454",
        "shared": true
      },
      {
        "name": "T Rowe Price Government Reserve Investment Fund",
        "value": "1912496.90",
        "weight": "0.00523376",
        "shared": false
      },
      {
        "name": "ECHOSTAR CORP CL A",
        "value": "1904377.69",
        "weight": "0.00521154",
        "shared": true
      },
      {
        "name": "CREDO TECHNOLOGY GROUP HOLDING LTD",
        "value": "1818261.90",
        "weight": "0.00497588",
        "shared": true
      },
      {
        "name": "KRATOS DEFENSE and SEC SOLTN INC",
        "value": "1529925.98",
        "weight": "0.00418681",
        "shared": true
      },
      {
        "name": "ADV ENERGY INDS",
        "value": "1459294.62",
        "weight": "0.00399352",
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      },
      {
        "name": "STERLING INFRASTRUCTURE INC",
        "value": "1456804.79",
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      },
      {
        "name": "HECLA MINING CO",
        "value": "1420146.27",
        "weight": "0.00388639",
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      },
      {
        "name": "BRIDGEBIO PHARMA INC",
        "value": "1412425.20",
        "weight": "0.00386526",
        "shared": true
      },
      {
        "name": "GUARDANT HEALTH INC",
        "value": "1375112.19",
        "weight": "0.00376315",
        "shared": true
      },
      {
        "name": "MODINE MFG CO",
        "value": "1361805.64",
        "weight": "0.00372673",
        "shared": true
      },
      {
        "name": "ENSIGN GROUP INC",
        "value": "1357304.00",
        "weight": "0.00371441",
        "shared": true
      },
      {
        "name": "TTM TECHNOLOGIES INC",
        "value": "1195538.24",
        "weight": "0.00327172",
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      },
      {
        "name": "IONQ INC",
        "value": "1192841.25",
        "weight": "0.00326434",
        "shared": true
      },
      {
        "name": "DYCOM INDUSTRIES INC",
        "value": "1185870.00",
        "weight": "0.00324526",
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      },
      {
        "name": "SPX TECHNOLOGIES INC",
        "value": "1155653.20",
        "weight": "0.00316257",
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      },
      {
        "name": "CHART INDUSTRIES INC",
        "value": "1121205.25",
        "weight": "0.00306830",
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      },
      {
        "name": "RAMBUS INC",
        "value": "1112970.11",
        "weight": "0.00304577",
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      },
      {
        "name": "MADRIGAL PHARMACEUTICALS INC",
        "value": "1072066.56",
        "weight": "0.00293383",
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      },
      {
        "name": "ARROWHEAD PHARMACEUTICALS INC",
        "value": "1016116.20",
        "weight": "0.00278071",
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      },
      {
        "name": "AMERICAN HEALTHCARE REIT INC",
        "value": "1010403.00",
        "weight": "0.00276508",
        "shared": true
      },
      {
        "name": "PRAXIS PRECISION MEDICINES INC",
        "value": "996533.67",
        "weight": "0.00272712",
        "shared": true
      },
      {
        "name": "CARETRUST REIT INC",
        "value": "987534.25",
        "weight": "0.00270250",
        "shared": true
      },
      {
        "name": "MOOG INC-CLASS A",
        "value": "986782.08",
        "weight": "0.00270044",
        "shared": true
      },
      {
        "name": "UMB FINANCIAL CORP",
        "value": "982288.11",
        "weight": "0.00268814",
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      },
      {
        "name": "WATTS WATER TECH INC CL A",
        "value": "955634.68",
        "weight": "0.00261520",
        "shared": true
      },
      {
        "name": "CYTOKINETICS INC",
        "value": "945676.68",
        "weight": "0.00258795",
        "shared": true
      },
      {
        "name": "INTERDIGITAL INC",
        "value": "937710.00",
        "weight": "0.00256615",
        "shared": true
      },
      {
        "name": "SM ENERGY CO",
        "value": "931408.96",
        "weight": "0.00254890",
        "shared": true
      },
      {
        "name": "SITIME CORP",
        "value": "931408.95",
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      },
      {
        "name": "OLD NATL BANCORP",
        "value": "927603.30",
        "weight": "0.00253849",
        "shared": true
      },
      {
        "name": "PRIMORIS SVCS CORP",
        "value": "927471.36",
        "weight": "0.00253813",
        "shared": true
      },
      {
        "name": "VIAVI SOLUTIONS INC",
        "value": "919626.24",
        "weight": "0.00251666",
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      },
      {
        "name": "PLANET LABS PBC A",
        "value": "907704.20",
        "weight": "0.00248403",
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      },
      {
        "name": "FORMFACTOR INC",
        "value": "905304.66",
        "weight": "0.00247747",
        "shared": true
      },
      {
        "name": "FLUOR CORP",
        "value": "900251.70",
        "weight": "0.00246364",
        "shared": true
      },
      {
        "name": "FIRSTCASH HOLDINGS INC",
        "value": "892812.00",
        "weight": "0.00244328",
        "shared": true
      },
      {
        "name": "ESCO TECHNOLOGIES INC",
        "value": "876467.55",
        "weight": "0.00239855",
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      },
      {
        "name": "ARGAN INC",
        "value": "876341.85",
        "weight": "0.00239821",
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      },
      {
        "name": "VAXCYTE INC",
        "value": "864560.58",
        "weight": "0.00236597",
        "shared": true
      },
      {
        "name": "SEMTECH CORP",
        "value": "858015.51",
        "weight": "0.00234805",
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      },
      {
        "name": "JACKSON FINANCIAL INC",
        "value": "856120.56",
        "weight": "0.00234287",
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      },
      {
        "name": "HEALTHEQUITY INC",
        "value": "843806.29",
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      },
      {
        "name": "AXSOME THERAPEUTICS INC",
        "value": "839353.32",
        "weight": "0.00229698",
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      },
      {
        "name": "AEROVIRONMENT INC",
        "value": "829765.65",
        "weight": "0.00227075",
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      },
      {
        "name": "SANMINA CORP",
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      }
    ],
    "b_top": [
      {
        "name": "BlackRock Cash Funds: Institutional, SL Agency Shares",
        "value": "10242422302.53",
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      },
      {
        "name": "BLOOM ENERGY CORP CL A",
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      {
        "name": "COEUR MINING INC",
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      {
        "name": "FABRINET",
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      },
      {
        "name": "NEXTRACKER INC CL A",
        "value": "430035001.25",
        "weight": "0.00524094",
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      },
      {
        "name": "ECHOSTAR CORP CL A",
        "value": "387990116.04",
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      },
      {
        "name": "CREDO TECHNOLOGY GROUP HOLDING LTD",
        "value": "370338552.36",
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        "shared": true
      },
      {
        "name": "KRATOS DEFENSE and SEC SOLTN INC",
        "value": "311786265.23",
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      },
      {
        "name": "ADV ENERGY INDS",
        "value": "297597675.93",
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      },
      {
        "name": "STERLING INFRASTRUCTURE INC",
        "value": "297160075.53",
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      },
      {
        "name": "HECLA MINING CO",
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      },
      {
        "name": "BRIDGEBIO PHARMA INC",
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      },
      {
        "name": "GUARDANT HEALTH INC",
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      },
      {
        "name": "MODINE MFG CO",
        "value": "277589906.88",
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      },
      {
        "name": "ENSIGN GROUP INC",
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      },
      {
        "name": "TTM TECHNOLOGIES INC",
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      },
      {
        "name": "IONQ INC",
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      },
      {
        "name": "DYCOM INDUSTRIES INC",
        "value": "241519366.50",
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      },
      {
        "name": "SPX TECHNOLOGIES INC",
        "value": "235486532.84",
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      },
      {
        "name": "CHART INDUSTRIES INC",
        "value": "228570188.25",
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      },
      {
        "name": "RAMBUS INC",
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      {
        "name": "MADRIGAL PHARMACEUTICALS INC",
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      {
        "name": "ARROWHEAD PHARMACEUTICALS INC",
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      {
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      },
      {
        "name": "CARETRUST REIT INC",
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      },
      {
        "name": "MOOG INC-CLASS A",
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      },
      {
        "name": "UMB FINANCIAL CORP",
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      {
        "name": "WATTS WATER TECH INC CL A",
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      },
      {
        "name": "CYTOKINETICS INC",
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      {
        "name": "INTERDIGITAL INC",
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      },
      {
        "name": "SM ENERGY CO",
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      },
      {
        "name": "SITIME CORP",
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      },
      {
        "name": "PRIMORIS SVCS CORP",
        "value": "189376091.52",
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      },
      {
        "name": "OLD NATL BANCORP",
        "value": "189277991.50",
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      },
      {
        "name": "VIAVI SOLUTIONS INC",
        "value": "187518522.88",
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      },
      {
        "name": "PLANET LABS PBC A",
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      },
      {
        "name": "FORMFACTOR INC",
        "value": "184729869.72",
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      },
      {
        "name": "FLUOR CORP",
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      },
      {
        "name": "FIRSTCASH HOLDINGS INC",
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      },
      {
        "name": "ARGAN INC",
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      },
      {
        "name": "ESCO TECHNOLOGIES INC",
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      },
      {
        "name": "VAXCYTE INC",
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      },
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      },
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        "name": "HEALTHEQUITY INC",
        "value": "172161387.02",
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      },
      {
        "name": "JACKSON FINANCIAL INC",
        "value": "171113951.76",
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      },
      {
        "name": "AXSOME THERAPEUTICS INC",
        "value": "171004463.82",
        "weight": "0.00208407",
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      },
      {
        "name": "AEROVIRONMENT INC",
        "value": "169247114.75",
        "weight": "0.00206265",
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      },
      {
        "name": "SANMINA CORP",
        "value": "169057430.92",
        "weight": "0.00206034",
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      },
      {
        "name": "COMMERCIAL METALS CO",
        "value": "167351783.24",
        "weight": "0.00203956",
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      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001099263-26-006582",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/858581/000109926326006582/0001099263-26-006582-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0002071691-26-012507",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1100663/000207169126012507/0002071691-26-012507-index.htm"
    }
  ]
}