Interactive Brokers Group, Inc.
IBKR- Exchange
- Nasdaq
- Industry
- Security Brokers, Dealers & Flotation Companies
- SEC CIK
- 0001381197
In the last 90 days, Interactive Brokers Group, Inc. insiders filed 3 open-market purchases and 0 sales; 1,119 institutions reported holding it in 13F filings for Q2 2026, worth $33.8B in total; 3 superinvestors hold it, including Viking Global Investors and Lone Pine Capital.
Key figures
- Insider buysLast 90 days, $6.74K in total
- 3
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, +130 vs. previous quarter
- 1,119
- 13F valueReported value at the end of Q2 2026
- $33.8B
- Superinvestors holdingAt the end of Q2 2026
- 3
Price chart
Superinvestors holding IBKR, Q2 2026
3 superinvestors report holding Interactive Brokers Group, Inc. on Form 13F. Percentages are the stock's share of each portfolio.
Viking Global Investors
Andreas Halvorsen
1.2%
Interactive Brokers Group, Inc.'s share of the portfolio
- Shares
- 4,830,748
- Value
- $420.5M
Lone Pine Capital
Stephen Mandel
0.3%
Interactive Brokers Group, Inc.'s share of the portfolio
- Shares
- 577,666
- Value
- $50.3M
| Superinvestor | Weight | Value |
|---|---|---|
| Soros Fund Management | 0.2% | $13.2M |
Latest insider trades
Open-market purchases and sales by Interactive Brokers Group, Inc. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 2, 2026 (view filing)4:01 PM ET | Sep 1 | 1 day | Conkling Lori ADirector | PPurchaseClass A common stock | +25 | $94.53 | +$2.36K | +1.0%2.56K after | 10b5-1 |
| Aug 4, 2026 (view filing)4:01 PM ET | Aug 3 | 1 day | Conkling Lori ADirector | PPurchaseClass A common stock | +25 | $87.03 | +$2.18K | +1.0%2.53K after | 10b5-1 |
| Jul 1, 2026 (view filing)4:01 PM ET | Jul 1 | Same day | Conkling Lori ADirector | PPurchaseClass A common stock | +25 | $88.03 | +$2.20K | +1.0%2.51K after | 10b5-1 |
| Jun 2, 2026 (view filing) | Jun 1 | 1 day | Conkling Lori ADirector | PPurchaseClass A common stock | +25 | $86.10 | +$2.15K | +1.0%2.48K after | 10b5-1 |
| May 4, 2026 (view filing) | May 1 | 3 days | Conkling Lori ADirector | PPurchaseClass A common stock | +25 | $79.64 | +$1.99K | +1.0%2.46K after | 10b5-1 |
| Apr 29, 2026 (view filing) | Apr 28 | 1 day | Harris Lawrence EDirector | SSaleClass A common stock | −26.0K | $76.93 | −$2.00M | −13.0%173.5K after | |
| Apr 2, 2026 (view filing) | Apr 1 | 1 day | Conkling Lori ADirector | PPurchaseClass A common stock | +25 | $68.38 | +$1.71K | +1.0%2.43K after | 10b5-1 |
| Mar 26, 2026 (view filing) | Feb 25-Mar 2 | 29 daysLate | Conkling Lori ADirector | PPurchaseClass A common stock | +75 | $71.88 | +$5.39K | +3.2%2.41K after | 2 lots10b5-1 |
| Jan 28, 2026 (view filing) | Jan 26-27 | 2 days | Nemser Earl HVice Chairman | SSaleClass A common stock | −155.0K | $75.84 | −$11.8M | −100.0%0 after | 5 lots |
| Jan 26, 2026 (view filing) | Jan 22-23 | 4 days | Nemser Earl HVice Chairman | SSaleClass A common stock | −245.0K | $77.43 | −$19.0M | −61.3%155.0K after | 3 lots |
Top 10 13F holders, Q2 2026
The largest institutional positions in Interactive Brokers Group, Inc. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 33,129,663 | $2.88B | 0.04% | +1,754,626+5.6% | Added |
| Vanguard Capital Management LLC | 28,349,920 | $2.47B | 0.05% | +169,559+0.6% | Added |
| State Street Corp | 19,437,767 | $1.69B | 0.05% | +345,662+1.8% | Added |
| FMR LLC | 11,828,151 | $1.03B | 0.04% | −673,133−5.4% | Reduced |
| Geode Capital Management, LLC | 10,641,906 | $925.5M | 0.05% | +198,299+1.9% | Added |
| Greenwich Wealth Management LLC | 9,921,755 | $863.6M | 31.48% | −2,2880.0% | Reduced |
| Invesco Ltd. | 9,708,980 | $845.1M | 0.07% | +61,812+0.6% | Added |
| Vanguard Portfolio Management LLC | 8,724,292 | $759.4M | 0.03% | −6,260,253−41.8% | Reduced |
| Two Sigma Investments, LP | 8,340,400 | $725.9M | 0.55% | +27,429+0.3% | Added |
| Wellington Management Group LLP | 7,382,141 | $642.5M | 0.11% | −2,392,651−24.5% | Reduced |