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, Q1 2026
Institutional positions in Interactive Brokers Group, Inc. as of Mar 31, 2026. 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
- 1,001
- +35 vs. Q4 2025
- Shares held
- 379.4M
- +55.1M (+17.0%) vs. Q4 2025
- Total value
- $25.4B
- +$4.56B (+21.8%) vs. Q4 2025
- New holders
- 138
- 404 more added
- Sold out
- 103
- 328 more reduced
14 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: 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, Q1 2026
Shares, value and share of portfolio for each institution holding Interactive Brokers Group, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Torren Management, LLC | 0 | $0 | 0.00% | −36−100.0% | Sold out |
| Optima Capital LLC | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| CBIZ Investment Advisory Services, LLC | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Fideuram Asset Management (Ireland) dac | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Norges Bank | – | – | – | – | Not filed |
| Capitolis Liquid Global Markets LLC | – | – | – | – | Not filed |
| Forsta Ap-Fonden | – | – | – | – | Not filed |
| New Millennium Group LLC | – | – | – | – | Not filed |
| Comerica Bank | – | – | – | – | Not filed |
| Militia Capital Partners, LP | – | – | – | – | Not filed |
| CIBC World Markets Corp | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |
| Passumpsic Savings Bank | – | – | – | – | Not filed |
| SG Trading Solutions, LLC | – | – | – | – | Not filed |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |
| DV Equities, LLC | – | – | – | – | Not filed |
| ORG Partners LLC | – | – | – | – | Not filed |