{
 "company": "Marsh & Mclennan Companies",
 "ticker": "MRSH",
 "page": "https://www.moatshark.com/s/mrsh",
 "note": "Source: SEC filings via moatshark. Values and changes are estimates; not investment advice.",
 "holders": [
  {
   "manager": "Jensen Investment Management",
   "moatshark_slug": "jensen-investment-management",
   "period": "2026-06-30",
   "portfolio_pct": 3.98,
   "value_usd": 164153950,
   "change": "REDUCE",
   "share_change_pct": -14.4,
   "quarters_held": 21
  },
  {
   "manager": "Harris Associates (Oakmark)",
   "moatshark_slug": "harris-associates-oakmark",
   "period": "2026-06-30",
   "portfolio_pct": 1.92,
   "value_usd": 1447944972,
   "change": "ADD",
   "share_change_pct": 68.1,
   "quarters_held": 2
  },
  {
   "manager": "Markel Group",
   "moatshark_slug": "markel-group",
   "period": "2026-06-30",
   "portfolio_pct": 0.97,
   "value_usd": 127252547,
   "change": "HOLD",
   "share_change_pct": 0,
   "quarters_held": 50
  },
  {
   "manager": "Horizon Kinetics",
   "moatshark_slug": "horizon-kinetics",
   "period": "2026-06-30",
   "portfolio_pct": 0.26,
   "value_usd": 23330982,
   "change": "REDUCE",
   "share_change_pct": -7.5,
   "quarters_held": 22
  },
  {
   "manager": "First Pacific Advisors (FPA)",
   "moatshark_slug": "first-pacific-advisors-fpa",
   "period": "2026-06-30",
   "portfolio_pct": 0.25,
   "value_usd": 20202571,
   "change": "ADD",
   "share_change_pct": 11.5,
   "quarters_held": 2
  },
  {
   "manager": "AKO Capital",
   "moatshark_slug": "ako-capital",
   "period": "2026-06-30",
   "portfolio_pct": 0,
   "value_usd": 0,
   "change": "EXIT",
   "share_change_pct": null,
   "quarters_held": 12
  },
  {
   "manager": "Mairs & Power",
   "moatshark_slug": "mairs-power",
   "period": "2026-06-30",
   "portfolio_pct": 0,
   "value_usd": 200004,
   "change": "REDUCE",
   "share_change_pct": -7.7,
   "quarters_held": 19
  },
  {
   "manager": "Yacktman Asset Management",
   "moatshark_slug": "yacktman-asset-management",
   "period": "2026-06-30",
   "portfolio_pct": 0,
   "value_usd": 0,
   "change": "EXIT",
   "share_change_pct": null,
   "quarters_held": 3
  }
 ]
}