{
  "page": "compare",
  "query": {
    "a": "SMPSX",
    "b": "ROM"
  },
  "retrieved_at": "2026-07-07T19:05:48+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": "SEMICONDUCTOR ULTRASECTOR PROFUND",
    "ticker": "SMPSX",
    "slug": "SMPSX",
    "series_id": "S000003096",
    "html_url": "https://fundwatcher.app/funds/SMPSX/"
  },
  "fund_b": {
    "name": "ProShares Ultra Technology",
    "ticker": "ROM",
    "slug": "ROM",
    "series_id": "S000014260",
    "html_url": "https://fundwatcher.app/funds/ROM/"
  },
  "overlap": {
    "coverage_a_by_b": "0.4243628448021372956730901333",
    "coverage_b_by_a": "0.4243628448021372956730901332",
    "shared_count": 18,
    "as_of": {
      "a": "2026-04-30",
      "b": "2026-02-28"
    },
    "a_top": [
      {
        "name": "US ULTRA BOND CBT Sep25",
        "value": "193570078.15",
        "weight": "0.36152940",
        "shared": true
      },
      {
        "name": "NVIDIA CORP",
        "value": "155951382.09",
        "weight": "0.29126924",
        "shared": true
      },
      {
        "name": "BROADCOM INC",
        "value": "63669763.04",
        "weight": "0.11891554",
        "shared": true
      },
      {
        "name": "MICRON TECHNOLOGY INC",
        "value": "18718089.04",
        "weight": "0.03495964",
        "shared": true
      },
      {
        "name": "ADV MICRO DEVICE",
        "value": "18586265.19",
        "weight": "0.03471343",
        "shared": true
      },
      {
        "name": "INTEL CORP",
        "value": "14274699.76",
        "weight": "0.02666075",
        "shared": true
      },
      {
        "name": "LAM RESEARCH CORP",
        "value": "10355141.88",
        "weight": "0.01934022",
        "shared": true
      },
      {
        "name": "APPLIED MATERIALS INC",
        "value": "10069357.25",
        "weight": "0.01880646",
        "shared": true
      },
      {
        "name": "TEXAS INSTRUMENTS INC",
        "value": "8203319.80",
        "weight": "0.01532128",
        "shared": true
      },
      {
        "name": "KLA CORP",
        "value": "7384726.65",
        "weight": "0.01379240",
        "shared": true
      },
      {
        "name": "ANALOG DEVICES INC",
        "value": "6323124.94",
        "weight": "0.01180965",
        "shared": true
      },
      {
        "name": "QUALCOMM INC",
        "value": "6163544.76",
        "weight": "0.01151161",
        "shared": true
      },
      {
        "name": "MARVELL TECHNOLOGY INC",
        "value": "4632292.35",
        "weight": "0.00865170",
        "shared": false
      },
      {
        "name": "MONOLITHIC POWER SYS INC",
        "value": "2528166.06",
        "weight": "0.00472184",
        "shared": true
      },
      {
        "name": "NXP SEMICONDUCTO",
        "value": "2376611.05",
        "weight": "0.00443878",
        "shared": false
      },
      {
        "name": "TERADYNE INC",
        "value": "1729714.92",
        "weight": "0.00323058",
        "shared": true
      },
      {
        "name": "MICROCHIP TECHNOLOGY",
        "value": "1616819.82",
        "weight": "0.00301972",
        "shared": true
      },
      {
        "name": "ON SEMICONDUCTOR CORP",
        "value": "1277766.75",
        "weight": "0.00238648",
        "shared": true
      },
      {
        "name": "QNITY ELECTRONICS INC",
        "value": "947626.42",
        "weight": "0.00176987",
        "shared": true
      },
      {
        "name": "CREDO TECHNOLOGY",
        "value": "889539.12",
        "weight": "0.00166139",
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      },
      {
        "name": "ASTERA LABS INC",
        "value": "832124.02",
        "weight": "0.00155415",
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      },
      {
        "name": "ENTEGRIS INC",
        "value": "691065.44",
        "weight": "0.00129070",
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      },
      {
        "name": "MKS INSTRUMENTS INC",
        "value": "612900.00",
        "weight": "0.00114471",
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      },
      {
        "name": "MACOM TECHNOLOGY SOLUTIONS HOLDINGS INC",
        "value": "584340.75",
        "weight": "0.00109137",
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      },
      {
        "name": "LATTICE SEMICONDUCTOR CORP",
        "value": "537909.72",
        "weight": "0.00100465",
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      },
      {
        "name": "ONTO INNOVATION INC",
        "value": "471210.82",
        "weight": "0.00088008",
        "shared": false
      },
      {
        "name": "RAMBUS INC",
        "value": "398510.82",
        "weight": "0.00074430",
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      },
      {
        "name": "SKYWORKS SOLUTIONS INC",
        "value": "339342.12",
        "weight": "0.00063379",
        "shared": true
      },
      {
        "name": "CIRRUS LOGIC INC",
        "value": "267451.20",
        "weight": "0.00049952",
        "shared": false
      },
      {
        "name": "QORVO INC",
        "value": "255618.86",
        "weight": "0.00047742",
        "shared": false
      },
      {
        "name": "AMKOR TECHNOLOGY INC",
        "value": "255285.00",
        "weight": "0.00047679",
        "shared": false
      },
      {
        "name": "SILICON LABS",
        "value": "230762.00",
        "weight": "0.00043099",
        "shared": false
      },
      {
        "name": "Globalfoundries Inc ORDINARY SHARES",
        "value": "219317.00",
        "weight": "0.00040962",
        "shared": false
      },
      {
        "name": "ALLEGRO MICROSYSTEMS INC",
        "value": "193612.00",
        "weight": "0.00036161",
        "shared": false
      },
      {
        "name": "ENPHASE ENERGY INC",
        "value": "138695.68",
        "weight": "0.00025904",
        "shared": false
      },
      {
        "name": "UNIVERSAL DISPLAY CORP",
        "value": "123841.98",
        "weight": "0.00023130",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "US ULTRA BOND CBT Sep25",
        "value": "100191351.27",
        "weight": "0.12543993",
        "shared": true
      },
      {
        "name": "NVIDIA CORP",
        "value": "83105122.23",
        "weight": "0.10404791",
        "shared": true
      },
      {
        "name": "APPLE INC",
        "value": "75354703.20",
        "weight": "0.09434436",
        "shared": false
      },
      {
        "name": "MICROSOFT CORP",
        "value": "56349549.72",
        "weight": "0.07054984",
        "shared": false
      },
      {
        "name": "U.S. Treasury Bills",
        "value": "36540568.10",
        "weight": "0.04574892",
        "shared": false
      },
      {
        "name": "ProShares GENIUS Money Market ETF",
        "value": "30033000.00",
        "weight": "0.03760142",
        "shared": false
      },
      {
        "name": "BROADCOM INC",
        "value": "29126343.40",
        "weight": "0.03646629",
        "shared": true
      },
      {
        "name": "WIB 0 03/19/26",
        "value": "26185090.04",
        "weight": "0.03278383",
        "shared": false
      },
      {
        "name": "MICRON TECHNOLOGY INC",
        "value": "23318698.76",
        "weight": "0.02919509",
        "shared": true
      },
      {
        "name": "U.S. Treasury Bills",
        "value": "23232940.85",
        "weight": "0.02908773",
        "shared": false
      },
      {
        "name": "Repurchase Agreement",
        "value": "16558589.44",
        "weight": "0.02073141",
        "shared": false
      },
      {
        "name": "ADV MICRO DEVICE",
        "value": "16416619.37",
        "weight": "0.02055367",
        "shared": true
      },
      {
        "name": "PALANTIR TECHNOLOGIES INC",
        "value": "15776987.19",
        "weight": "0.01975284",
        "shared": false
      },
      {
        "name": "CISCO SYSTEMS INC",
        "value": "15776385.70",
        "weight": "0.01975209",
        "shared": false
      },
      {
        "name": "APPLIED MATERIALS INC",
        "value": "14941888.20",
        "weight": "0.01870730",
        "shared": true
      },
      {
        "name": "LAM RESEARCH CORP",
        "value": "14797518.63",
        "weight": "0.01852655",
        "shared": true
      },
      {
        "name": "ORACLE CORP",
        "value": "12317997.20",
        "weight": "0.01542218",
        "shared": false
      },
      {
        "name": "INTL BUS MACH CORP",
        "value": "11312209.53",
        "weight": "0.01416293",
        "shared": false
      },
      {
        "name": "INTEL CORP",
        "value": "10302614.85",
        "weight": "0.01289891",
        "shared": true
      },
      {
        "name": "KLA CORP",
        "value": "10090996.45",
        "weight": "0.01263396",
        "shared": true
      },
      {
        "name": "TEXAS INSTRUMENTS INC",
        "value": "9710183.69",
        "weight": "0.01215718",
        "shared": true
      },
      {
        "name": "SALESFORCE INC",
        "value": "9338816.97",
        "weight": "0.01169223",
        "shared": false
      },
      {
        "name": "AMPHENOL CORPORATION CL A",
        "value": "9011609.88",
        "weight": "0.01128257",
        "shared": false
      },
      {
        "name": "ANALOG DEVICES INC",
        "value": "8818255.15",
        "weight": "0.01104049",
        "shared": true
      },
      {
        "name": "QUALCOMM INC",
        "value": "7682315.04",
        "weight": "0.00961829",
        "shared": true
      },
      {
        "name": "ARISTA NETWORKS INC",
        "value": "6945337.50",
        "weight": "0.00869559",
        "shared": false
      },
      {
        "name": "ACCENTURE PLC CL A",
        "value": "6519577.92",
        "weight": "0.00816253",
        "shared": false
      },
      {
        "name": "PALO ALTO NETWORKS INC",
        "value": "5964543.84",
        "weight": "0.00746763",
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      },
      {
        "name": "APPLOVIN CORP",
        "value": "5928523.72",
        "weight": "0.00742253",
        "shared": false
      },
      {
        "name": "CORNING INC",
        "value": "5910084.38",
        "weight": "0.00739945",
        "shared": false
      },
      {
        "name": "INTUIT INC",
        "value": "5744008.29",
        "weight": "0.00719152",
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      },
      {
        "name": "SERVICENOW INC",
        "value": "5643306.48",
        "weight": "0.00706544",
        "shared": false
      },
      {
        "name": "ADOBE INC",
        "value": "5534226.90",
        "weight": "0.00692887",
        "shared": false
      },
      {
        "name": "WESTERN DIGITAL CORP",
        "value": "4813916.70",
        "weight": "0.00602704",
        "shared": false
      },
      {
        "name": "SANDISK CORPORATION",
        "value": "4739785.60",
        "weight": "0.00593423",
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      },
      {
        "name": "CROWDSTRIKE HOLDINGS INC",
        "value": "4704803.04",
        "weight": "0.00589043",
        "shared": false
      },
      {
        "name": "SEAGATE TECHNOLOGY HOLDINGS PLC",
        "value": "4476044.00",
        "weight": "0.00560402",
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      },
      {
        "name": "CADENCE DESIGN SYSTEMS INC",
        "value": "4133701.00",
        "weight": "0.00517541",
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      },
      {
        "name": "MOTOROLA SOLUTIONS INC",
        "value": "4045679.14",
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      },
      {
        "name": "SYNOPSYS INC",
        "value": "3875454.00",
        "weight": "0.00485208",
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      },
      {
        "name": "TE CONNECTIVITY PLC",
        "value": "3411513.45",
        "weight": "0.00427123",
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      },
      {
        "name": "NXP SEMICONDUCTORS NV",
        "value": "2876670.72",
        "weight": "0.00360160",
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      },
      {
        "name": "MONOLITHIC POWER SYS INC",
        "value": "2755146.14",
        "weight": "0.00344945",
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      },
      {
        "name": "KEYSIGHT TECHNOLOGIES INC",
        "value": "2659941.15",
        "weight": "0.00333026",
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      },
      {
        "name": "AUTODESK INC",
        "value": "2640152.06",
        "weight": "0.00330548",
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      },
      {
        "name": "TERADYNE INC",
        "value": "2525036.70",
        "weight": "0.00316135",
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      },
      {
        "name": "FORTINET INC",
        "value": "2516157.14",
        "weight": "0.00315024",
        "shared": false
      },
      {
        "name": "DELL TECHNOLOGIES INC CL C",
        "value": "2247854.40",
        "weight": "0.00281432",
        "shared": false
      },
      {
        "name": "MICROCHIP TECHNOLOGY",
        "value": "2032074.00",
        "weight": "0.00254416",
        "shared": true
      },
      {
        "name": "ROPER TECHNOLOGIES INC",
        "value": "1895186.87",
        "weight": "0.00237278",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000910472-26-009463",
      "as_of": "2026-04-30",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1039803/000091047226009463/0000910472-26-009463-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0002071691-26-009282",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1174610/000207169126009282/0002071691-26-009282-index.htm"
    }
  ]
}