{
 "company": "Arthur J Gallagher & Co",
 "ticker": "AJG",
 "page": "https://www.moatshark.com/s/ajg",
 "note": "Source: SEC filings via moatshark. Values and changes are estimates; not investment advice.",
 "holders": [
  {
   "manager": "Brave Warrior Advisors",
   "moatshark_slug": "brave-warrior-advisors",
   "period": "2026-06-30",
   "portfolio_pct": 6.43,
   "value_usd": 295002501,
   "change": "NEW",
   "share_change_pct": null,
   "quarters_held": 1
  },
  {
   "manager": "First Pacific Advisors (FPA)",
   "moatshark_slug": "first-pacific-advisors-fpa",
   "period": "2026-06-30",
   "portfolio_pct": 3.79,
   "value_usd": 306772095,
   "change": "ADD",
   "share_change_pct": 244.7,
   "quarters_held": 2
  },
  {
   "manager": "Dodge & Cox",
   "moatshark_slug": "dodge-cox",
   "period": "2026-06-30",
   "portfolio_pct": 1.13,
   "value_usd": 2149609457,
   "change": "ADD",
   "share_change_pct": 27.3,
   "quarters_held": 3
  },
  {
   "manager": "Mairs & Power",
   "moatshark_slug": "mairs-power",
   "period": "2026-06-30",
   "portfolio_pct": 0.66,
   "value_usd": 71520008,
   "change": "NEW",
   "share_change_pct": null,
   "quarters_held": 1
  },
  {
   "manager": "Horizon Kinetics",
   "moatshark_slug": "horizon-kinetics",
   "period": "2026-06-30",
   "portfolio_pct": 0,
   "value_usd": 310838,
   "change": "REDUCE",
   "share_change_pct": -30.7,
   "quarters_held": 25
  }
 ]
}