Stocktoria
Interactive Brokers Group, Inc. IBKR
Interactive Brokers Group, Inc. institutional holders
| Investor | Shares | Value | % of company |
|---|---|---|---|
| BlackRock Finance, Inc. | 9,301,894 | $1.1B | 2.1% |
| TWO SIGMA INVESTMENTS, LP | 8,398,700 | $731.0M | 1.89% |
| VIKING GLOBAL INVESTORS LP | 4,830,748 | $420.5M | 1.09% |
| CITADEL ADVISORS LLC | 2,493,343 | $217.0M | 0.56% |
| D. E. Shaw & Co., Inc. | 1,607,434 | $139.9M | 0.36% |
| Point72 Asset Management, L.P. | 1,039,584 | $90.5M | 0.23% |
| MILLENNIUM MANAGEMENT LLC | 999,459 | $87.0M | 0.23% |
| LONE PINE CAPITAL LLC | 577,666 | $50.3M | 0.13% |
% of company = reported institutional shares ÷ shares outstanding. Based on the latest reports; not every holder reports every quarter.
Computed from company filings · US · as of 2025-12-31. Facts plus Stocktoria's own computed scores — not investment advice.