{
  "investorId": "altarock",
  "displayName": "Altarock",
  "managerName": "Mark Massey",
  "title": "Top Investors - Copycat",
  "cik": "0001631014",
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  "us13fPositionsRaw": 8,
  "us13fPositionsCombined": 8,
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  "enrichment": {
    "note": "Book values and weights are from the SEC 13F-HR only (light enrich: tickers / display names). Altarock / Mark Massey is a highly concentrated US-listed equity compounder book. No separate Non-US regulator hunt in this pass."
  },
  "methodology": {
    "weights": "All weights in USD. Reported Equity Holdings = Altarock Partners LP 13F-HR reported values (same-issuer/CUSIP rows aggregated). Schema X0202 whole USD.",
    "mixedAsOf": "US 13F as of period end 30 Jun 2026.",
    "filerNote": "Filer legal name ALTAROCK PARTNERS LP (formerly ALTAROCK PARTNERS LLC through mid-2024 filings). CIK 0001631014."
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      "valueEstimated": false,
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        {
          "label": "EDGAR archive",
          "url": "https://www.sec.gov/Archives/edgar/data/1631014/000110465926097527/"
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          "label": "EDGAR archive",
          "url": "https://www.sec.gov/Archives/edgar/data/1631014/000110465926097527/"
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          "url": "https://www.sec.gov/Archives/edgar/data/1631014/000110465926097527/"
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      "sourceDetail": "SEC Form 13F-HR (Altarock Partners LP)",
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          "label": "EDGAR archive",
          "url": "https://www.sec.gov/Archives/edgar/data/1631014/000110465926097527/"
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      "sourceDetail": "SEC Form 13F-HR (Altarock Partners LP)",
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      "asOfDate": "2026-06-30",
      "notes": "COMM",
      "fiIncluded": false,
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      "primarySourceUrls": [
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          "label": "EDGAR archive",
          "url": "https://www.sec.gov/Archives/edgar/data/1631014/000110465926097527/"
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  "updatedAt": "2026-10-24",
  "reportPeriodEnd": "2026-06-30",
  "filingDate": "2026-08-17",
  "accession": "0001104659-26-097527",
  "archiveBase": "https://www.sec.gov/Archives/edgar/data/1631014/000110465926097527",
  "legalName": "ALTAROCK PARTNERS LP",
  "form": "13F-HR"
}
