{
 "company": "Interactive Brokers Group",
 "ticker": "IBKR",
 "page": "https://www.moatshark.com/s/ibkr",
 "note": "Source: SEC filings via moatshark. Values and changes are estimates; not investment advice.",
 "holders": [
  {
   "manager": "Oakcliff Capital",
   "moatshark_slug": "oakcliff-capital",
   "period": "2026-06-30",
   "portfolio_pct": 33.42,
   "value_usd": 89715610,
   "change": "HOLD",
   "share_change_pct": 0,
   "quarters_held": 38
  },
  {
   "manager": "RV Capital",
   "moatshark_slug": "rv-capital",
   "period": "2026-06-30",
   "portfolio_pct": 12.75,
   "value_usd": 48836925,
   "change": "REDUCE",
   "share_change_pct": -26,
   "quarters_held": 14
  },
  {
   "manager": "Cantillon Capital Management",
   "moatshark_slug": "cantillon-capital-management",
   "period": "2026-06-30",
   "portfolio_pct": 6.78,
   "value_usd": 45072184,
   "change": "REDUCE",
   "share_change_pct": -95.4,
   "quarters_held": 37
  }
 ]
}