IBKR Interactive Brokers Group, Inc.: institutional ownership and insider trading
1,188 funds reported holding $38.2B of Interactive Brokers Group, Inc. in their latest 13F filings; in Q2 2026 funds net bought $589M, with 185 new positions and 70 funds selling out; over the last 12 months insiders bought $20.1K and sold $34.5M on the open market; over its last four quarters it reported revenue of $2.73B and net income of $4.90B.
IBKR revenue and earnings
- Quarter ended Jun 30, 2026: revenue $760M, net income $1.34B, EPS 0.69
- Quarter ended Mar 31, 2026: revenue $699M, net income $1.17B, EPS 0.59
- Quarter ended Dec 31, 2025: revenue $667M, net income $1.20B, EPS 0.64
- Quarter ended Sep 30, 2025: revenue $603M, net income $1.19B, EPS 0.59
Famous investors holding IBKR
- Andreas Halvorsen (Viking Global Investors): $420M, 1.2% of the portfolio
- Two Sigma (Two Sigma Investments): $731M, 0.5% of the portfolio
- Stephen Mandel (Lone Pine Capital): $50.3M, 0.3% of the portfolio
- George Soros (Soros Fund Management): $13.2M, 0.2% of the portfolio
- D. E. Shaw (D. E. Shaw & Co.): $140M, 0.1% of the portfolio
- Izzy Englander (Millennium Management): $87.0M, 0.0% of the portfolio
- Ken Griffin (Citadel Advisors): $217M, 0.0% of the portfolio
- Ray Dalio (Bridgewater Associates): $3.66M, 0.0% of the portfolio
- Renaissance Technologies (Renaissance Technologies): $5.56M, 0.0% of the portfolio
Largest institutional holders of IBKR
- VANGUARD GROUP INC — $3.36B
- BlackRock, Inc. (BLK) — $2.88B
- VANGUARD CAPITAL MANAGEMENT LLC — $2.47B
- STATE STREET CORP (STT, STT-PG) — $1.69B
- FMR LLC — $1.03B
- GEODE CAPITAL MANAGEMENT, LLC — $925M
- Greenwich Wealth Management LLC — $864M
- Invesco Ltd. (IVZ) — $845M
- VANGUARD PORTFOLIO MANAGEMENT LLC — $759M
- TWO SIGMA INVESTMENTS, LP — $731M
Recent IBKR insider trades
- Oct 1, 2026: Conkling Lori A bought 25 shares ($2.14K)
- Sep 1, 2026: Conkling Lori A bought 25 shares ($2.36K)
- Aug 3, 2026: Conkling Lori A bought 25 shares ($2.18K)
- Jul 1, 2026: Conkling Lori A bought 25 shares ($2.20K)
Members of Congress trading IBKR
- Oct 14, 2025: Lisa C. McClain sold $1.00K–$15.0K
- Aug 13, 2025: Lisa C. McClain bought $1.00K–$15.0K
- Jun 24, 2025: Lisa C. McClain sold $1.00K–$15.0K
- Jun 17, 2025: Lisa C. McClain bought $1.00K–$15.0K
- Nov 13, 2024: Morgan McGarvey sold $1.00K–$15.0K
- Jun 6, 2024: Morgan McGarvey bought $1.00K–$15.0K
5%+ owners
- Vanguard Capital Management: 7.3% (Schedule 13G, filed Apr 30, 2026)
Who owns the most IBKR stock?
The largest institutional holders of Interactive Brokers Group, Inc. in the latest 13F filings are VANGUARD GROUP INC ($3.36B), BlackRock, Inc. (BLK) ($2.88B), VANGUARD CAPITAL MANAGEMENT LLC ($2.47B).
Are insiders buying or selling IBKR?
Over the last 12 months insiders bought $20.1K and sold $34.5M of Interactive Brokers Group, Inc. stock on the open market (SEC Form 4).
Which famous investors own IBKR?
Andreas Halvorsen, Two Sigma, Stephen Mandel, George Soros, D. E. Shaw.
What was IBKR's revenue last quarter?
Interactive Brokers Group, Inc. reported revenue of $760M for the quarter ended June 30, 2026, with net income of $1.34B.
Which ETFs hold IBKR?
205 ETFs and mutual funds hold it among their top 100 positions, including FMAEX, VAFAX, AULDX, XLF.