{
 "company": "Union Pacific",
 "ticker": "UNP",
 "page": "https://www.moatshark.com/s/unp",
 "note": "Source: SEC filings via moatshark. Values and changes are estimates; not investment advice.",
 "holders": [
  {
   "manager": "Baupost Group",
   "moatshark_slug": "baupost-group",
   "period": "2026-06-30",
   "portfolio_pct": 5.95,
   "value_usd": 322427000,
   "change": "REDUCE",
   "share_change_pct": -23.1,
   "quarters_held": 4
  },
  {
   "manager": "Harris Associates (Oakmark)",
   "moatshark_slug": "harris-associates-oakmark",
   "period": "2026-06-30",
   "portfolio_pct": 1.39,
   "value_usd": 1045709943,
   "change": "ADD",
   "share_change_pct": 1.6,
   "quarters_held": 4
  },
  {
   "manager": "Tweedy, Browne",
   "moatshark_slug": "tweedy-browne",
   "period": "2026-06-30",
   "portfolio_pct": 0.4,
   "value_usd": 5218320,
   "change": "HOLD",
   "share_change_pct": 0,
   "quarters_held": 53
  },
  {
   "manager": "Markel Group",
   "moatshark_slug": "markel-group",
   "period": "2026-06-30",
   "portfolio_pct": 0.33,
   "value_usd": 43799616,
   "change": "ADD",
   "share_change_pct": 7.2,
   "quarters_held": 43
  },
  {
   "manager": "Gardner Russo & Quinn",
   "moatshark_slug": "gardner-russo-quinn",
   "period": "2026-06-30",
   "portfolio_pct": 0.08,
   "value_usd": 7028631,
   "change": "REDUCE",
   "share_change_pct": -6.5,
   "quarters_held": 41
  },
  {
   "manager": "Dodge & Cox",
   "moatshark_slug": "dodge-cox",
   "period": "2026-06-30",
   "portfolio_pct": 0.04,
   "value_usd": 70965344,
   "change": "REDUCE",
   "share_change_pct": 0,
   "quarters_held": 53
  },
  {
   "manager": "Mairs & Power",
   "moatshark_slug": "mairs-power",
   "period": "2026-06-30",
   "portfolio_pct": 0.01,
   "value_usd": 928880,
   "change": "REDUCE",
   "share_change_pct": -18.5,
   "quarters_held": 41
  }
 ]
}