{
 "company": "CSX",
 "ticker": "CSX",
 "page": "https://www.moatshark.com/s/csx",
 "note": "Source: SEC filings via moatshark. Values and changes are estimates; not investment advice.",
 "holders": [
  {
   "manager": "Kahn Brothers",
   "moatshark_slug": "kahn-brothers",
   "period": "2026-06-30",
   "portfolio_pct": 0.26,
   "value_usd": 1653140,
   "change": "REDUCE",
   "share_change_pct": -4.7,
   "quarters_held": 12
  },
  {
   "manager": "Markel Group",
   "moatshark_slug": "markel-group",
   "period": "2026-06-30",
   "portfolio_pct": 0.21,
   "value_usd": 27781285,
   "change": "ADD",
   "share_change_pct": 10.3,
   "quarters_held": 5
  }
 ]
}