{
  "page": "compare",
  "query": {
    "a": "SWSSX",
    "b": "RB"
  },
  "retrieved_at": "2026-07-07T13:15:03+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": "Schwab Small-Cap Index Fund",
    "ticker": "SWSSX",
    "slug": "SWSSX",
    "series_id": "S000005912",
    "html_url": "https://fundwatcher.app/funds/SWSSX/"
  },
  "fund_b": {
    "name": "ProShares Russell 2000 Dynamic Buffer ETF",
    "ticker": "RB",
    "slug": "RB",
    "series_id": "S000093204",
    "html_url": "https://fundwatcher.app/funds/RB/"
  },
  "overlap": {
    "coverage_a_by_b": "0.8573092211205989137526218956",
    "coverage_b_by_a": "0.8573092211205989137526218954",
    "shared_count": 1885,
    "as_of": {
      "a": "2026-01-31",
      "b": "2026-02-28"
    },
    "a_top": [
      {
        "name": "State Street Navigator Securities Lending Portfolio II",
        "value": "83948803.35",
        "weight": "0.01081333",
        "shared": false
      },
      {
        "name": "BLOOM ENERGY CORP CL A",
        "value": "83150265.66",
        "weight": "0.01071047",
        "shared": true
      },
      {
        "name": "CREDO TECHNOLOGY GROUP HOLDING LTD",
        "value": "48290554.08",
        "weight": "0.00622024",
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      },
      {
        "name": "FABRINET",
        "value": "44427447.68",
        "weight": "0.00572264",
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      },
      {
        "name": "KRATOS DEFENSE and SEC SOLTN INC",
        "value": "43153979.30",
        "weight": "0.00555860",
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      },
      {
        "name": "NEXTRACKER INC CL A",
        "value": "42926364.90",
        "weight": "0.00552929",
        "shared": true
      },
      {
        "name": "ECHOSTAR CORP CL A",
        "value": "38574959.76",
        "weight": "0.00496879",
        "shared": true
      },
      {
        "name": "HECLA MINING CO",
        "value": "35969619.60",
        "weight": "0.00463320",
        "shared": true
      },
      {
        "name": "GUARDANT HEALTH INC",
        "value": "34801130.64",
        "weight": "0.00448269",
        "shared": true
      },
      {
        "name": "IONQ INC",
        "value": "33990796.10",
        "weight": "0.00437831",
        "shared": true
      },
      {
        "name": "COEUR MINING INC",
        "value": "32885037.08",
        "weight": "0.00423588",
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      },
      {
        "name": "RAMBUS INC",
        "value": "30861475.77",
        "weight": "0.00397522",
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      },
      {
        "name": "BRIDGEBIO PHARMA INC",
        "value": "30794644.91",
        "weight": "0.00396662",
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      },
      {
        "name": "STERLING INFRASTRUCTURE INC",
        "value": "26828575.69",
        "weight": "0.00345575",
        "shared": true
      },
      {
        "name": "AEROVIRONMENT INC",
        "value": "26454844.92",
        "weight": "0.00340761",
        "shared": true
      },
      {
        "name": "DYCOM INDUSTRIES INC",
        "value": "25665080.87",
        "weight": "0.00330588",
        "shared": true
      },
      {
        "name": "TTM TECHNOLOGIES INC",
        "value": "25257629.20",
        "weight": "0.00325340",
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      },
      {
        "name": "SPX TECHNOLOGIES INC",
        "value": "25251789.24",
        "weight": "0.00325265",
        "shared": true
      },
      {
        "name": "MODINE MFG CO",
        "value": "24315844.14",
        "weight": "0.00313209",
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      },
      {
        "name": "ENSIGN GROUP INC",
        "value": "24225689.16",
        "weight": "0.00312048",
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      },
      {
        "name": "ADV ENERGY INDS",
        "value": "24187699.20",
        "weight": "0.00311558",
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      },
      {
        "name": "CHART INDUSTRIES INC",
        "value": "23564813.02",
        "weight": "0.00303535",
        "shared": true
      },
      {
        "name": "UMB FINANCIAL CORP",
        "value": "23214492.60",
        "weight": "0.00299023",
        "shared": true
      },
      {
        "name": "ARROWHEAD PHARMACEUTICALS INC",
        "value": "23103182.55",
        "weight": "0.00297589",
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      },
      {
        "name": "MADRIGAL PHARMACEUTICALS INC",
        "value": "22856159.41",
        "weight": "0.00294407",
        "shared": true
      },
      {
        "name": "OKLO INC",
        "value": "21743664.66",
        "weight": "0.00280077",
        "shared": true
      },
      {
        "name": "MOOG INC-CLASS A",
        "value": "21587023.60",
        "weight": "0.00278059",
        "shared": true
      },
      {
        "name": "COMMERCIAL METALS CO",
        "value": "21507303.56",
        "weight": "0.00277033",
        "shared": true
      },
      {
        "name": "OLD NATL BANCORP",
        "value": "21499621.50",
        "weight": "0.00276934",
        "shared": true
      },
      {
        "name": "INTERDIGITAL INC",
        "value": "21247653.16",
        "weight": "0.00273688",
        "shared": true
      },
      {
        "name": "LUMEN TECHNOLOGIES INC",
        "value": "21138955.74",
        "weight": "0.00272288",
        "shared": true
      },
      {
        "name": "AVIDITY BIOSCIENCES",
        "value": "21093196.20",
        "weight": "0.00271699",
        "shared": true
      },
      {
        "name": "CARETRUST REIT INC",
        "value": "21091162.94",
        "weight": "0.00271672",
        "shared": true
      },
      {
        "name": "JACKSON FINANCIAL INC",
        "value": "20698026.00",
        "weight": "0.00266608",
        "shared": true
      },
      {
        "name": "URANIUM ENERGY CORP",
        "value": "20673380.48",
        "weight": "0.00266291",
        "shared": true
      },
      {
        "name": "WATTS WATER TECH INC CL A",
        "value": "20655981.72",
        "weight": "0.00266067",
        "shared": true
      },
      {
        "name": "JOHN BEAN TECHNOLOGIES CORP",
        "value": "20647724.05",
        "weight": "0.00265960",
        "shared": true
      },
      {
        "name": "APPLIED DIGITAL CORP",
        "value": "20234220.16",
        "weight": "0.00260634",
        "shared": true
      },
      {
        "name": "COMPASS INC - A",
        "value": "20196612.96",
        "weight": "0.00260150",
        "shared": true
      },
      {
        "name": "PRIMORIS SVCS CORP",
        "value": "20158293.75",
        "weight": "0.00259656",
        "shared": true
      },
      {
        "name": "AMERICAN HEALTHCARE REIT INC",
        "value": "19933137.93",
        "weight": "0.00256756",
        "shared": true
      },
      {
        "name": "CADENCE BANK",
        "value": "19755232.74",
        "weight": "0.00254464",
        "shared": false
      },
      {
        "name": "SITIME CORP",
        "value": "19661317.17",
        "weight": "0.00253255",
        "shared": true
      },
      {
        "name": "PRAXIS PRECISION MEDICINES INC",
        "value": "19389186.00",
        "weight": "0.00249749",
        "shared": true
      },
      {
        "name": "ORMAT TECHNOLOGIES INC",
        "value": "19185536.52",
        "weight": "0.00247126",
        "shared": true
      },
      {
        "name": "AXSOME THERAPEUTICS INC",
        "value": "18995438.00",
        "weight": "0.00244678",
        "shared": true
      },
      {
        "name": "FLUOR CORP",
        "value": "18702561.95",
        "weight": "0.00240905",
        "shared": true
      },
      {
        "name": "SANMINA CORP",
        "value": "18603009.04",
        "weight": "0.00239623",
        "shared": true
      },
      {
        "name": "CYTOKINETICS INC",
        "value": "18536217.79",
        "weight": "0.00238762",
        "shared": true
      },
      {
        "name": "HEALTHEQUITY INC",
        "value": "18375700.98",
        "weight": "0.00236695",
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      }
    ],
    "b_top": [
      {
        "name": "Repurchase Agreement",
        "value": "125704.02",
        "weight": "0.11319033",
        "shared": false
      },
      {
        "name": "BLOOM ENERGY CORP CL A",
        "value": "10741.23",
        "weight": "0.00967195",
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      },
      {
        "name": "Invesco Government & Agency Portfolio, Institutional Class",
        "value": "6883.35",
        "weight": "0.00619812",
        "shared": false
      },
      {
        "name": "FABRINET",
        "value": "6547.56",
        "weight": "0.00589576",
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      },
      {
        "name": "COEUR MINING INC",
        "value": "5538.60",
        "weight": "0.00498724",
        "shared": true
      },
      {
        "name": "CREDO TECHNOLOGY GROUP HOLDING LTD",
        "value": "5501.23",
        "weight": "0.00495359",
        "shared": true
      },
      {
        "name": "NEXTRACKER INC CL A",
        "value": "5149.90",
        "weight": "0.00463723",
        "shared": true
      },
      {
        "name": "ECHOSTAR CORP CL A",
        "value": "5083.32",
        "weight": "0.00457728",
        "shared": true
      },
      {
        "name": "HECLA MINING CO",
        "value": "5056.73",
        "weight": "0.00455334",
        "shared": true
      },
      {
        "name": "KRATOS DEFENSE and SEC SOLTN INC",
        "value": "4481.36",
        "weight": "0.00403525",
        "shared": true
      },
      {
        "name": "STERLING INFRASTRUCTURE INC",
        "value": "4281.30",
        "weight": "0.00385510",
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      },
      {
        "name": "IONQ INC",
        "value": "4143.96",
        "weight": "0.00373143",
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      },
      {
        "name": "ADV ENERGY INDS",
        "value": "4026.84",
        "weight": "0.00362597",
        "shared": true
      },
      {
        "name": "MODINE MFG CO",
        "value": "3863.25",
        "weight": "0.00347867",
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      },
      {
        "name": "ENSIGN GROUP INC",
        "value": "3855.06",
        "weight": "0.00347129",
        "shared": true
      },
      {
        "name": "GUARDANT HEALTH INC",
        "value": "3849.90",
        "weight": "0.00346665",
        "shared": true
      },
      {
        "name": "SPX TECHNOLOGIES INC",
        "value": "3631.04",
        "weight": "0.00326957",
        "shared": true
      },
      {
        "name": "RAMBUS INC",
        "value": "3587.76",
        "weight": "0.00323060",
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      },
      {
        "name": "TTM TECHNOLOGIES INC",
        "value": "3439.92",
        "weight": "0.00309748",
        "shared": true
      },
      {
        "name": "DYCOM INDUSTRIES INC",
        "value": "3360.16",
        "weight": "0.00302566",
        "shared": true
      },
      {
        "name": "BRIDGEBIO PHARMA INC",
        "value": "3324.00",
        "weight": "0.00299310",
        "shared": true
      },
      {
        "name": "CHART INDUSTRIES INC",
        "value": "3109.50",
        "weight": "0.00279995",
        "shared": true
      },
      {
        "name": "US ULTRA BOND CBT Sep25",
        "value": "3054.82",
        "weight": "0.00275072",
        "shared": false
      },
      {
        "name": "AEROVIRONMENT INC",
        "value": "3027.00",
        "weight": "0.00272567",
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      },
      {
        "name": "INTERDIGITAL INC",
        "value": "2932.24",
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        "shared": true
      },
      {
        "name": "CARETRUST REIT INC",
        "value": "2884.02",
        "weight": "0.00259692",
        "shared": true
      },
      {
        "name": "AVIDITY BIOSCIENCES",
        "value": "2808.00",
        "weight": "0.00252847",
        "shared": true
      },
      {
        "name": "SITIME CORP",
        "value": "2785.16",
        "weight": "0.00250790",
        "shared": true
      },
      {
        "name": "UMB FINANCIAL CORP",
        "value": "2781.12",
        "weight": "0.00250426",
        "shared": true
      },
      {
        "name": "AMERICAN HEALTHCARE REIT INC",
        "value": "2768.72",
        "weight": "0.00249310",
        "shared": true
      },
      {
        "name": "ARROWHEAD PHARMACEUTICALS INC",
        "value": "2720.61",
        "weight": "0.00244978",
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      },
      {
        "name": "PRIMORIS SVCS CORP",
        "value": "2712.96",
        "weight": "0.00244289",
        "shared": true
      },
      {
        "name": "COMMERCIAL METALS CO",
        "value": "2712.10",
        "weight": "0.00244211",
        "shared": true
      },
      {
        "name": "MOOG INC-CLASS A",
        "value": "2699.44",
        "weight": "0.00243071",
        "shared": true
      },
      {
        "name": "PRAXIS PRECISION MEDICINES INC",
        "value": "2694.00",
        "weight": "0.00242582",
        "shared": true
      },
      {
        "name": "FLUOR CORP",
        "value": "2667.81",
        "weight": "0.00240223",
        "shared": true
      },
      {
        "name": "SANMINA CORP",
        "value": "2639.42",
        "weight": "0.00237667",
        "shared": true
      },
      {
        "name": "WATTS WATER TECH INC CL A",
        "value": "2629.92",
        "weight": "0.00236811",
        "shared": true
      },
      {
        "name": "INSTALLED BUILDING PRODUCTS INC",
        "value": "2622.08",
        "weight": "0.00236105",
        "shared": true
      },
      {
        "name": "JOHN BEAN TECHNOLOGIES CORP",
        "value": "2618.00",
        "weight": "0.00235738",
        "shared": true
      },
      {
        "name": "TEREX CORP",
        "value": "2614.02",
        "weight": "0.00235380",
        "shared": true
      },
      {
        "name": "MADRIGAL PHARMACEUTICALS INC",
        "value": "2592.00",
        "weight": "0.00233397",
        "shared": true
      },
      {
        "name": "OLD NATL BANCORP",
        "value": "2587.20",
        "weight": "0.00232965",
        "shared": true
      },
      {
        "name": "VAXCYTE INC",
        "value": "2531.34",
        "weight": "0.00227935",
        "shared": true
      },
      {
        "name": "JACKSON FINANCIAL INC",
        "value": "2518.04",
        "weight": "0.00226737",
        "shared": true
      },
      {
        "name": "FIRSTCASH HOLDINGS INC",
        "value": "2506.27",
        "weight": "0.00225677",
        "shared": true
      },
      {
        "name": "ZURN ELKAY WATER SOLUTIONS CORP",
        "value": "2498.02",
        "weight": "0.00224934",
        "shared": true
      },
      {
        "name": "SEMTECH CORP",
        "value": "2435.94",
        "weight": "0.00219344",
        "shared": true
      },
      {
        "name": "CYTOKINETICS INC",
        "value": "2426.58",
        "weight": "0.00218502",
        "shared": true
      },
      {
        "name": "FORMFACTOR INC",
        "value": "2373.12",
        "weight": "0.00213688",
        "shared": true
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001410368-26-030064",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/904333/000141036826030064/0001410368-26-030064-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0002071691-26-009203",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1174610/000207169126009203/0002071691-26-009203-index.htm"
    }
  ]
}