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 2 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.
13F holders, Q2 2021
Institutional positions in Interactive Brokers Group, Inc. as of Jun 30, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 319
- 0 vs. Q1 2021
- Shares held
- 80.3M
- +1.14M (+1.4%) vs. Q1 2021
- Total value
- $5.28B
- −$503.6M (−8.7%) vs. Q1 2021
- New holders
- 46
- 134 more added
- Sold out
- 46
- 84 more reduced
1 institution that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2021: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting IBKR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1,119 | $33.7B |
| Q1 2026 | 1,001 | $25.4B |
| Q4 2025 | 980 | $24.7B |
| Q3 2025 | 913 | $26.1B |
| Q2 2025 | 802 | $20.9B |
| Q1 2025 | 746 | $15.7B |
| Q4 2024 | 710 | $16.6B |
| Q3 2024 | 587 | $12.9B |
| Q2 2024 | 548 | $11.4B |
| Q1 2024 | 494 | $10.6B |
| Q4 2023 | 456 | $7.72B |
| Q3 2023 | 436 | $8.08B |
| Q2 2023 | 424 | $7.61B |
| Q1 2023 | 433 | $7.58B |
| Q4 2022 | 402 | $6.67B |
| Q3 2022 | 339 | $5.90B |
| Q2 2022 | 345 | $4.78B |
| Q1 2022 | 347 | $5.73B |
| Q4 2021 | 339 | $6.80B |
| Q3 2021 | 309 | $5.12B |
| Q2 2021 | 319 | $5.28B |
| Q1 2021 | 320 | $5.79B |
Institutions, Q2 2021
Shares, value and share of portfolio for each institution holding Interactive Brokers Group, Inc.; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bronte Capital Management Pty Ltd. | 852,162 | $56.0M | 8.41% | −1,789−0.2% | Reduced |
| Thunderbird Partners LLP | 889,268 | $58.5M | 5.25% | −262,489−22.8% | Reduced |
| Marshall Wace Asia Ltd | 994,993 | $65.4M | 1.38% | +581,424+140.6% | Added |
| 1832 Asset Management L.P. | 1,003,972 | $66.3M | 0.13% | +165,333+19.7% | Added |
| Geode Capital Management, LLC | 1,026,722 | $67.5M | 0.01% | +59,035+6.1% | Added |
| Millennium Management LLC | 1,075,763 | $70.7M | 0.09% | +695,169+182.7% | Added |
| Renaissance Technologies LLC | 1,085,658 | $71.4M | 0.09% | +449,458+70.6% | Added |
| Marshall Wace, LLP | 1,347,923 | $88.6M | 0.47% | +679,700+101.7% | Added |
| Goldman Sachs Group Inc | 1,384,180 | $91.0M | 0.02% | +526,921+61.5% | Added |
| Ancient Art, L.P. | 1,735,593 | $114.1M | 10.88% | −52,380−2.9% | Reduced |
| Jarislowsky, Fraser Ltd | 1,746,855 | $114.8M | 0.54% | +134,023+8.3% | Added |
| State Street Corp | 2,036,746 | $133.9M | 0.01% | +241,373+13.4% | Added |
| Cantillon Capital Management LLC | 2,359,066 | $155.1M | 1.04% | −38,212−1.6% | Reduced |
| Select Equity Group, L.P. | 4,312,129 | $283.4M | 0.97% | +1,942,287+82.0% | Added |
| Bares Capital Management, Inc. | 5,097,799 | $335.1M | 5.96% | −342,156−6.3% | Reduced |
| Vanguard Group Inc | 7,262,687 | $477.4M | 0.01% | +284,002+4.1% | Added |
| BlackRock Inc. | 7,308,467 | $480.4M | 0.01% | +446,204+6.5% | Added |
| Greenwich Wealth Management LLC | 7,518,444 | $494.2M | 42.17% | −1,261,729−14.4% | Reduced |
| Kayne Anderson Rudnick Investment Management LLC | 8,752,100 | $575.3M | 1.42% | +358,129+4.3% | Added |
| Baillie Gifford & Co | 0 | $0 | 0.00% | −4,113,068−100.0% | Sold out |
| Samlyn Capital, LLC | 0 | $0 | 0.00% | −1,513,192−100.0% | Sold out |
| AXA S.A. | 0 | $0 | 0.00% | −192,900−100.0% | Sold out |
| Marvin & Palmer Associates Inc | 0 | $0 | 0.00% | −104,230−100.0% | Sold out |
| Bank of Nova Scotia | 0 | $0 | 0.00% | −52,561−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −43,755−100.0% | Sold out |
| Athanor Capital, LP | 0 | $0 | 0.00% | −37,307−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −34,300−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −29,852−100.0% | Sold out |
| Mackenzie Financial Corp | 0 | $0 | 0.00% | −23,928−100.0% | Sold out |
| MUFG Securities EMEA plc | 0 | $0 | 0.00% | −21,800−100.0% | Sold out |
| Eagle Capital Management LLC | 0 | $0 | 0.00% | −16,500−100.0% | Sold out |
| AIA Group Ltd | 0 | $0 | 0.00% | −12,682−100.0% | Sold out |
| Point72 Hong Kong Ltd | 0 | $0 | 0.00% | −12,147−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −9,178−100.0% | Sold out |
| CIBC World Markets Corp | 0 | $0 | 0.00% | −8,675−100.0% | Sold out |
| AGF Investments LLC | 0 | $0 | 0.00% | −8,682−100.0% | Sold out |
| Blueshift Asset Management, LLC | 0 | $0 | 0.00% | −8,269−100.0% | Sold out |
| Belpointe Asset Management LLC | 0 | $0 | 0.00% | −8,150−100.0% | Sold out |
| Tuttle Tactical Management | 0 | $0 | 0.00% | −7,216−100.0% | Sold out |
| FORA Capital, LLC | 0 | $0 | 0.00% | −6,810−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −6,629−100.0% | Sold out |
| GeoWealth Management, LLC | 0 | $0 | 0.00% | −5,387−100.0% | Sold out |
| Weld Capital Management LLC | 0 | $0 | 0.00% | −4,394−100.0% | Sold out |
| LS Investment Advisors, LLC | 0 | $0 | 0.00% | −4,361−100.0% | Sold out |
| Mirabella Financial Services LLP | 0 | $0 | 0.00% | −3,938−100.0% | Sold out |
| Commonwealth Equity Services, LLC | 0 | $0 | 0.00% | −3,340−100.0% | Sold out |
| Oppenheimer & Co Inc | 0 | $0 | 0.00% | −3,300−100.0% | Sold out |
| ARK Investment Management LLCSuperinvestorARK Invest | 0 | $0 | 0.00% | −3,002−100.0% | Sold out |
| Bank Julius Baer & Co. Ltd, Zurich | 0 | $0 | 0.00% | −2,907−100.0% | Sold out |
| World Asset Management Inc | 0 | $0 | 0.00% | −2,834−100.0% | Sold out |
| Aureus Asset Management, LLC | 0 | $0 | 0.00% | −2,772−100.0% | Sold out |
| Agf Investments Inc. | 0 | $0 | 0.00% | −2,418−100.0% | Sold out |
| Wolverine Asset Management LLC | 0 | $0 | 0.00% | −1,467−100.0% | Sold out |
| Benjamin F. Edwards & Company, Inc. | 0 | $0 | 0.00% | −783−100.0% | Sold out |
| Twin Tree Management, LP | 0 | $0 | 0.00% | −771−100.0% | Sold out |
| Ameritas Investment Company, LLC | 0 | $0 | 0.00% | −448−100.0% | Sold out |
| Harvest Fund Management Co., Ltd | 0 | $0 | 0.00% | −216−100.0% | Sold out |
| International Assets Investment Management, LLC | 0 | $0 | 0.00% | −185−100.0% | Sold out |
| TSFG, LLC | 0 | $0 | 0.00% | −130−100.0% | Sold out |
| Stuart Chaussee & Associates, Inc. | 0 | $0 | 0.00% | −88−100.0% | Sold out |
| Lenox Wealth Advisors, LLC | 0 | $0 | 0.00% | −51−100.0% | Sold out |
| RWM Asset Management, LLC | 0 | $0 | 0.00% | −44−100.0% | Sold out |
| Valeo Financial Advisors, LLC | 0 | $0 | 0.00% | −27−100.0% | Sold out |
| Meridian Wealth Partners, LLC | 0 | $0 | 0.00% | −34−100.0% | Sold out |
| Sowell Financial Services LLC | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Amundi Asset Management US, Inc. | – | – | – | – | Not filed |