Interactive Brokers (IBKR) Superinvestor holders
32 of the superinvestors we track hold Interactive Brokers (IBKR) in their latest 13F filings, $2.5B in total.
Summary
The largest holder is Two Sigma (Two Sigma Investments), with $726M, 0.6% of the portfolio.
In their latest quarter: 4 opened a new position, 11 added, 15 trimmed.
Who holds it
Each investor's latest 13F filing, largest stake first. What a 13F shows.
| Investor | Last change | Shares | Value | % of portfolio | Filed for |
|---|---|---|---|---|---|
| Two Sigma Two Sigma Investments |
Added | 8,340,400 | $726M | 0.6% | Q2 2026 |
| Andreas Halvorsen Viking Global Investors |
Added | 4,830,748 | $420M | 1.2% | Q2 2026 |
| Ron Baron Baron Capital (BAMCO) |
Added | 4,807,214 | $418M | 0.6% | Q2 2026 |
| John Armitage Egerton Capital |
Trimmed | 3,160,704 | $270M | 2.7% | Q3 2026 |
| David Shaw D. E. Shaw & Co. |
Added | 1,602,534 | $139M | 0.1% | Q2 2026 |
| Bryan Lawrence Oakcliff Capital Partners |
Held | 1,030,740 | $90M | 33.4% | Q2 2026 |
| Steve Cohen Point72 Asset Management |
Added | 867,084 | $75M | 0.1% | Q2 2026 |
| Paul Tudor Jones Tudor Investment Corp |
Added | 741,915 | $65M | 0.3% | Q2 2026 |
| Stephen Mandel Lone Pine Capital |
New position | 577,666 | $50M | 0.3% | Q2 2026 |
| William von Mueffling Cantillon Capital Management |
Trimmed | 517,833 | $45M | 6.8% | Q2 2026 |
| Ensign Peak Ensign Peak Advisors |
Trimmed | 515,965 | $45M | 0.1% | Q2 2026 |
| Paul Marshall Marshall Wace |
Trimmed | 414,093 | $36M | 0.0% | Q2 2026 |
| Brandon Haley Holocene Advisors |
Added | 278,592 | $24M | 0.1% | Q2 2026 |
| Cliff Asness AQR Capital Management |
Trimmed | 211,116 | $18M | 0.0% | Q2 2026 |
| George Soros Soros Fund Management |
Trimmed | 151,470 | $13M | 0.2% | Q2 2026 |
| Joel Greenblatt Gotham Asset Management |
Trimmed | 109,329 | $10M | 0.0% | Q2 2026 |
| Man Group Man Group plc |
Trimmed | 99,689 | $9M | 0.0% | Q2 2026 |
| David Vogel Voloridge Investment Management |
Added | 89,425 | $8M | 0.0% | Q2 2026 |
| Jim Simons Renaissance Technologies |
Trimmed | 63,900 | $6M | 0.0% | Q2 2026 |
| Ray Dalio Bridgewater Associates |
Trimmed | 42,076 | $4M | 0.0% | Q2 2026 |
| Louis Bacon Moore Capital Management |
Added | 35,803 | $3M | 0.1% | Q2 2026 |
| John Gardner Gardner Lewis Asset Management |
Trimmed | 31,384 | $3M | 0.6% | Q2 2026 |
| Derek Pilecki Gator Capital Management |
Trimmed | 29,000 | $3M | 0.5% | Q2 2026 |
| Ken Tropin Graham Capital Management |
New position | 25,371 | $2M | 0.1% | Q2 2026 |
| Jeremy Grantham GMO |
New position | 21,049 | $2M | 0.0% | Q2 2026 |
| Mario Gabelli GAMCO Investors |
Trimmed | 16,475 | $1M | 0.0% | Q2 2026 |
| Fayez Sarofim Fayez Sarofim & Co |
Held | 10,736 | $934,461 | 0.0% | Q2 2026 |
| Alan Howard Brevan Howard |
Trimmed | 9,713 | $845,420 | 0.0% | Q2 2026 |
| WCM Investment Management | Added | 9,340 | $823,788 | 0.0% | Q2 2026 |
| Ken Fisher Fisher Investments |
Added | 8,621 | $736,484 | 0.0% | Q3 2026 |
| Will Nasgovitz Heartland Advisors |
Trimmed | 6,839 | $595,267 | 0.0% | Q2 2026 |
| Arrowstreet Capital | New position | 3,585 | $312,038 | 0.0% | Q2 2026 |
Holders by quarter
| Quarter | Superinvestors holding it |
|---|---|
| Q2 2026 | 32 |
| Q1 2026 | 28 |
| Q4 2025 | 28 |
| Q3 2025 | 26 |
| Q2 2025 | 24 |
| Q1 2025 | 25 |
| Q4 2024 | 24 |
| Q3 2024 | 21 |
Questions about Interactive Brokers
Which superinvestors own Interactive Brokers?
32 of the superinvestors we track hold Interactive Brokers (IBKR) in their latest 13F filings, $2.5B in total. Two Sigma, Andreas Halvorsen, Ron Baron, John Armitage, David Shaw, Bryan Lawrence.
Who is the largest superinvestor holder of IBKR?
The largest holder is Two Sigma (Two Sigma Investments), with $726M, 0.6% of the portfolio.
From Interactive Brokers's annual reports filed with the SEC (XBRL data), standardised by Investingly. Information only, not investment advice.