Stock research
IBKR — INTERACTIVE BROKERS GROUP IN
IBKR is reported by 14 tracked managers with $2.1B in visible reported value. This page connects ownership breadth, filing activity, and price context.
Stock research evidence
The latest visible filing snapshot is 2026 Q2. Values come from reported manager holdings; prices and 52-week context come from the latest available market quote.
- Tracked holders
- 14
- Reported value
- $2.1B
- Ownership breadth
- Not available
- Current price
- $91
Top reported managers
These managers have the largest visible reported positions in IBKR. Portfolio weight is measured within each manager's latest visible filing.
- John Overdeck / David Siegel0.6% of reported portfolio · $725.9M · Add · Filed Aug 14, 2026
- Andreas Halvorsen1.2% of reported portfolio · $420.5M · Add · Filed Aug 14, 2026
- John Armitage3.5% of reported portfolio · $359.4M · Reduce · Filed Jul 21, 2026
- David Shaw0.1% of reported portfolio · $139.5M · Add · Filed Aug 14, 2026
- Ken Griffin0.1% of reported portfolio · $94.2M · Add · Filed Aug 14, 2026
Continue the research
Review the manager roster, compare this company with the most widely held stocks, or browse transparent screens built from the same filing-backed data.