{
 "company": "Siriusxm Holdings",
 "ticker": "SIRI",
 "page": "https://www.moatshark.com/s/siri",
 "note": "Source: SEC filings via moatshark. Values and changes are estimates; not investment advice.",
 "holders": [
  {
   "manager": "Chou Associates",
   "moatshark_slug": "chou-associates",
   "period": "2026-06-30",
   "portfolio_pct": 5.59,
   "value_usd": 12099255,
   "change": "HOLD",
   "share_change_pct": 0,
   "quarters_held": 8
  },
  {
   "manager": "Weitz Investment Management",
   "moatshark_slug": "weitz-investment-management",
   "period": "2026-06-30",
   "portfolio_pct": 2.43,
   "value_usd": 35093520,
   "change": "REDUCE",
   "share_change_pct": -8.1,
   "quarters_held": 8
  },
  {
   "manager": "Berkshire Hathaway",
   "moatshark_slug": "berkshire-hathaway",
   "period": "2026-06-30",
   "portfolio_pct": 1.23,
   "value_usd": 3686802237,
   "change": "HOLD",
   "share_change_pct": 0,
   "quarters_held": 8
  },
  {
   "manager": "Tweedy, Browne",
   "moatshark_slug": "tweedy-browne",
   "period": "2026-06-30",
   "portfolio_pct": 0.15,
   "value_usd": 1964174,
   "change": "ADD",
   "share_change_pct": 41.8,
   "quarters_held": 5
  },
  {
   "manager": "Horizon Kinetics",
   "moatshark_slug": "horizon-kinetics",
   "period": "2026-06-30",
   "portfolio_pct": 0.01,
   "value_usd": 744290,
   "change": "REDUCE",
   "share_change_pct": -2.4,
   "quarters_held": 8
  }
 ]
}