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 1 sale; 1,124 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
- Market capNo recent share count in SEC filings
- –
- Insider buysLast 90 days, $6.46K in total
- 3
- Insider sellsLast 90 days, $2.07M in total
- 1
- 13F holdersQ2 2026, +130 vs. previous quarter
- 1,124
- 13F valueReported value at the end of Q2 2026
- $33.8B
- Superinvestors holdingAt the end of Q2 2026
- 3
Price chart
Financials
See financial statementsFrom SEC filings, in USD.
- Revenue, FY2025
- $6.21B
- +19.7% year over year
- Net income, FY2025
- $4.36B
- +27.9% year over year
- Free cash flow, FY2025
- –
- No comparable prior period
- Revenue, Q3 FY2026
- $1.91B
- +15.6% year over year
Revenue flow, FY2025
Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.
Short interest
See short dataFrom FINRA, settlement date Oct 30, 2026.
- Short interest
- 14.1M
- Shares sold short
- Change
- +1.01M
- +7.8% vs. previous
- Days to cover
- 2.94
- At average daily volume
Superinvestors holding IBKR, Q2 2026
Go to the superinvestors tab3 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
See all insider tradesOpen-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 |
|---|---|---|---|---|---|---|---|---|---|
| Nov 3, 2026 (view filing)4:01 PM ET | Nov 2 | 1 day | Conkling Lori ADirector | PPurchaseClass A common stock | +25 | $78.44 | +$1.96K | +1.0%2.61K after | 10b5-1 |
| Oct 29, 2026 (view filing)4:01 PM ET | Oct 28 | 1 day | Harris Lawrence EDirector | SSaleClass A common stock | −25.0K | $82.61 | −$2.07M | −14.4%148.5K after | |
| Oct 5, 2026 (view filing)4:01 PM ET | Oct 1 | 4 days | Conkling Lori ADirector | PPurchaseClass A common stock | +25 | $85.42 | +$2.14K | +1.0%2.58K after | 10b5-1 |
| 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 |
Top 10 13F holders, Q2 2026
See all 1,124 holdersThe 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 | 31.43% | −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 |
Holders of 5% or more of IBKR
See all 2 holders and filingsHolders whose latest Schedule 13D or 13G filing reports 5% or more of Interactive Brokers Group, Inc..
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Vanguard Capital Management LLC | 13G | 7.30%32.5M shares | New | Apr 30, 20261 filing | Apr 30, 2026 | SEC |
| BlackRock, Inc. | 13G/A | 6.20%27.6M shares | −3.30 ppfrom 9.50% | Feb 5, 20252 filings | Oct 17, 2025 | SEC |
Politician trades
All politician trades in IBKR3 members of Congress reported 7 trades in Interactive Brokers Group, Inc. since 2020. Newest filings:
| Filed | Politician | Type | Amount |
|---|---|---|---|
| Nov 21, 2025 |  Lisa C. McClain House · MI | Sell | $1K-$15K |
| Sep 12, 2025 | Lisa C. McClain House · MI | Buy | $1K-$15K |
| Aug 13, 2025 | Lisa C. McClain House · MI | Sell | $1K-$15K |
| Aug 13, 2025 | Lisa C. McClain House · MI | Buy | $1K-$15K |
| Dec 10, 2024 |  Morgan McGarvey House · KY | Sell | $1K-$15K |
House · MI · Nov 21, 2025
Sell$1K-$15K
House · MI · Sep 12, 2025
Buy$1K-$15K
House · MI · Aug 13, 2025
Sell$1K-$15K
House · MI · Aug 13, 2025
Buy$1K-$15K
House · KY · Dec 10, 2024
Sell$1K-$15K