{
 "company": "Markel Group",
 "ticker": "MKL",
 "page": "https://www.moatshark.com/s/mkl",
 "note": "Source: SEC filings via moatshark. Values and changes are estimates; not investment advice.",
 "holders": [
  {
   "manager": "Greenlea Lane Capital",
   "moatshark_slug": "greenlea-lane-capital",
   "period": "2026-06-30",
   "portfolio_pct": 10.89,
   "value_usd": 39655868,
   "change": "REDUCE",
   "share_change_pct": -10,
   "quarters_held": 14
  },
  {
   "manager": "Davis Selected Advisers",
   "moatshark_slug": "davis-selected-advisers",
   "period": "2026-06-30",
   "portfolio_pct": 3.41,
   "value_usd": 794400127,
   "change": "ADD",
   "share_change_pct": 6.1,
   "quarters_held": 53
  },
  {
   "manager": "Troy Asset Management",
   "moatshark_slug": "troy-asset-management",
   "period": "2026-06-30",
   "portfolio_pct": 3.35,
   "value_usd": 120127692,
   "change": "NEW",
   "share_change_pct": null,
   "quarters_held": 1
  },
  {
   "manager": "Giverny Capital",
   "moatshark_slug": "giverny-capital",
   "period": "2026-06-30",
   "portfolio_pct": 2.03,
   "value_usd": 60303090,
   "change": "REDUCE",
   "share_change_pct": -28.1,
   "quarters_held": 46
  },
  {
   "manager": "Gardner Russo & Quinn",
   "moatshark_slug": "gardner-russo-quinn",
   "period": "2026-06-30",
   "portfolio_pct": 0.09,
   "value_usd": 8329588,
   "change": "REDUCE",
   "share_change_pct": -13.9,
   "quarters_held": 53
  },
  {
   "manager": "Horizon Kinetics",
   "moatshark_slug": "horizon-kinetics",
   "period": "2026-06-30",
   "portfolio_pct": 0.05,
   "value_usd": 4031093,
   "change": "REDUCE",
   "share_change_pct": -1.8,
   "quarters_held": 30
  }
 ]
}