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 $33.7B in total; 3 superinvestors hold it, including Viking Global Investors and Lone Pine Capital.
Superinvestors holding IBKR, Q2 2026
3 superinvestors report holding Interactive Brokers Group, Inc. on Form 13F, worth $483.9M in total. Weight is Interactive Brokers Group, Inc.'s share of each 13F portfolio; actions compare shares with Q1 2026.
| Superinvestor | % of portfolio | Shares | Value | vs. previous quarter |
|---|---|---|---|---|
| Viking Global InvestorsAndreas Halvorsen | 1.2% | 4,830,748 | $420.5M | Added+246.5% |
| Lone Pine CapitalStephen Mandel | 0.3% | 577,666 | $50.3M | New |
| Soros Fund ManagementGeorge Soros | 0.2% | 151,470 | $13.2M | Reduced−76.5% |
Moves by quarter
Superinvestors that opened, added to, trimmed or sold out of IBKR each quarter, comparing shares with the quarter before. A superinvestor that didn't file for a quarter isn't listed, and isn't counted as selling.
Q2 2026
3 superinvestors holding at quarter end
- New
- Lone Pine Capital
- Added
- Viking Global Investors (+246.5%)
- Reduced
- Soros Fund Management (−76.5%)
Q1 2026
2 superinvestors holding at quarter end
- New
- Viking Global Investors
- Reduced
- Soros Fund Management (−16.3%)
Q4 2025
1 superinvestor holding at quarter end
- Reduced
- Soros Fund Management (−51.3%)
Q3 2025
1 superinvestor holding at quarter end
- Reduced
- Soros Fund Management (−29.1%)
Q2 2025
1 superinvestor holding at quarter end
Converted for a 4-for-1 split- Added
- Soros Fund Management (+181.8%)
Q1 2025
1 superinvestor holding at quarter end
- Reduced
- Soros Fund Management (−11.0%)
Q4 2024
1 superinvestor holding at quarter end
- Added
- Soros Fund Management (+32.2%)
Q3 2024
1 superinvestor holding at quarter end
- Reduced
- Soros Fund Management (−30.6%)
Q2 2024
1 superinvestor holding at quarter end
- Added
- Soros Fund Management (+2.1%)
Q1 2024
1 superinvestor holding at quarter end
- Reduced
- Soros Fund Management (−6.8%)
Q4 2023
1 superinvestor holding at quarter end
- Added
- Soros Fund Management (+0.6%)
Q2 2023
1 superinvestor holding at quarter end
- Added
- Soros Fund Management (+5.3%)
Q1 2023
1 superinvestor holding at quarter end
- Added
- Soros Fund Management (+128.7%)
Q4 2022
1 superinvestor holding at quarter end
- Added
- Soros Fund Management (+63.7%)
Q2 2022
1 superinvestor holding at quarter end
- Added
- Soros Fund Management (+113.3%)
Q1 2022
1 superinvestor holding at quarter end
- New
- Soros Fund Management
- Sold out
- Maverick Capital
Q4 2021
1 superinvestor holding at quarter end
Q3 2021
0 superinvestors holding at quarter end
- Sold out
- Maverick Capital
Q2 2021
1 superinvestor holding at quarter end
- New
- Maverick Capital
- Sold out
- ARK Invest