Interactive Brokers Gro Class AIBKR
13F holders, Q1 2026 (March 31)1,001holders +21
121new positions
101sold out
14famous investors
$67.05avg. 13F price*
At the end of Q1 2026, 1,001 institutions reported holding Interactive Brokers Gro Class A (IBKR) in their 13F filings, up 21 from Q4 2025. 121 opened new positions and 101 sold out. The largest holders were BlackRock, Inc. ($2.1B), Vanguard Capital Management LLC ($1.9B) and State Street Corp. ($1.3B). 14 famous investors held it, including Ron Baron (0.8% of Baron Capital (BAMCO)'s portfolio), George Soros (0.8% of Soros Fund Management's portfolio) and Andreas Halvorsen (0.3% of Viking Global Investors's portfolio).
- Company
- Interactive Brokers Gro Class A
- Sector
- Finance
- CUSIP
- 45841N107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 121 | $495.3M |
| Exits | 101 | $278.9M |
All 13F filers, Q4 2025 → Q1 2026: 43,187,885 shares bought and 31,652,254 shares sold, net +11,535,631 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 1,001 holders
| BlackRock, Inc. | 0.04% | Reduce -1.0% | 31,375,037 | $2.1B |
| Vanguard Capital Management LLC | 0.05% | — | 28,180,361 | $1.9B |
| State Street Corp. | 0.04% | Add +1.4% | 19,092,105 | $1.3B |
| Vanguard Portfolio Management LLC | 0.05% | — | 14,984,545 | $1.0B |
| FMR LLC | 0.04% | Add +159.9% | 12,501,284 | $838.5M |
| Cantillon Capital Management LLC | 5.01% | Reduce -11.9% | 11,245,881 | $754.3M |
| Geode Capital Management, LLC | 0.04% | Add +2.4% | 10,443,607 | $699.5M |
| Kayne Anderson Rudnick Investment Management LLC | 1.97% | Reduce -10.6% | 10,016,215 | $671.8M |
| Greenwich Wealth Management LLC | 27.17% | Add +8.0% | 9,924,043 | $665.6M |
| Wellington Management Group LLP | 0.12% | Add +18.0% | 9,774,792 | $655.6M |
| Invesco Ltd. | 0.06% | Add +16.4% | 9,647,168 | $647.0M |
| Two Sigma Investments, LP | 0.48% | Add +135.7% | 8,312,971 | $557.6M |
| JPMorgan Chase & Co. | 0.03% | Reduce -9.6% | 6,723,652 | $428.2M |
| Egerton Capital (UK) LLP | 4.67% | Reduce -9.6% | 6,275,179 | $420.9M |
| Bank of America Corp. | 0.03% | Reduce -6.6% | 6,230,136 | $417.9M |
| Orbis Allan Gray Ltd | 1.73% | Reduce -34.0% | 6,118,045 | $410.3M |
| W1M Asset Management Ltd | 4.32% | Add +0.9% | 5,915,803 | $396.7M |
| American Century Companies Inc. | 0.20% | Reduce -0.3% | 5,744,408 | $385.3M |
| Morgan Stanley | 0.02% | Add +5.4% | 4,765,572 | $319.6M |
| 1832 Asset Management L.P. | 0.40% | Reduce -11.4% | 4,454,154 | $298.7M |
| Baron Capital (BAMCO) | 0.82% | Reduce -12.8% | 4,047,376 | $271.5M |
| Jacobs Levy Equity Management, Inc. | 1.11% | Reduce -18.3% | 3,931,016 | $263.7M |
| Bessemer Group Inc. | 0.41% | Add +156.0% | 3,922,736 | $263.1M |
| Neuberger Berman Group LLC | 0.19% | Reduce -19.1% | 3,733,048 | $249.4M |
| Charles Schwab Investment Management Inc. | 0.04% | Add +6.2% | 3,592,551 | $241.0M |
| Northern Trust Corp. | 0.03% | Add +1.2% | 3,561,826 | $238.9M |
| Goldman Sachs Group Inc. | 0.03% | Add +27.9% | 3,221,545 | $216.1M |
| Capital World Investors | 0.03% | New | 3,030,920 | $203.3M |
| Wells Fargo & Company | 0.04% | Reduce -7.7% | 2,889,181 | $193.8M |
| Legal & General Group Plc | 0.04% | Add +19.1% | 2,506,521 | $168.1M |
| Vanguard Fiduciary Trust Co. | 0.04% | — | 2,489,553 | $167.0M |
| TD Asset Management Inc | 0.13% | Add +3.6% | 2,468,900 | $165.6M |
| Amundi | 0.04% | Add +62.4% | 2,433,236 | $163.2M |
| First Trust Advisors LP | 0.11% | Reduce -12.8% | 2,299,168 | $154.2M |
| Bank of New York Mellon Corp | 0.03% | Reduce -9.8% | 2,282,311 | $153.1M |
| Barclays PLC | 0.05% | Add +34.2% | 2,266,397 | $152.0M |
| UBS Group AG | 0.03% | Reduce -6.2% | 2,263,352 | $151.8M |
| Progeny 3, Inc. | 7.88% | Add +3.1% | 2,195,640 | $147.3M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.03% | Add +6.4% | 2,125,652 | $142.6M |
| KBC Group NV | 0.36% | Add +0.4% | 2,115,438 | $141.9M |
| Raymond James Financial Inc. | 0.04% | Reduce -7.5% | 1,775,579 | $119.1M |
| Jane Street Group, LLC | 0.13% | Add +162.8% | 1,767,778 | $118.6M |
| Royal Bank of Canada | 0.02% | Reduce -21.2% | 1,682,514 | $112.8M |
| FIL Ltd | 0.08% | Add +3.6% | 1,512,390 | $101.4M |
| Ensign Peak Advisors, Inc | 0.18% | Reduce -11.1% | 1,477,244 | $99.1M |
| Lord, Abbett & Co. LLC | 0.34% | Add +958.9% | 1,463,821 | $98.2M |
| TimesSquare Capital Management, LLC | 1.65% | Reduce -0.5% | 1,450,839 | $97.3M |
| Viking Global Investors | 0.26% | New | 1,394,329 | $93.5M |
| Robeco Institutional Asset Management B.V. | 0.13% | Reduce -4.3% | 1,326,843 | $89.0M |
| Ancient Art, L.P. | 18.80% | Reduce -21.8% | 1,285,193 | $86.2M |
| Bronte Capital Management Pty Ltd. | 9.14% | Reduce -13.8% | 1,281,731 | $86.0M |
| Nuveen, LLC | 0.02% | Reduce -0.9% | 1,265,772 | $84.9M |
| Hosking Partners LLP | 2.87% | Reduce -5.5% | 1,195,287 | $80.2M |
| Assenagon Asset Management S.A. | 0.13% | Add +2707.9% | 1,192,749 | $80.0M |
| Russell Investments Group, Ltd. | 0.08% | Add +19.5% | 1,140,415 | $76.5M |
| Bristol Gate Capital Partners Inc. | 4.91% | Reduce -6.3% | 1,135,210 | $76.1M |
| AustralianSuper Pty Ltd | 0.39% | Add +79.6% | 1,129,624 | $75.8M |
| Empower Advisory Group, LLC | 0.19% | Reduce -37.4% | 1,105,919 | $74.2M |
| T. Rowe Price Associates Inc. | 0.01% | Add +5.8% | 1,089,744 | $73.1M |
| Envestnet Asset Management Inc. | 0.02% | Add +16.1% | 1,063,175 | $71.3M |
| Deutsche Bank AG | 0.02% | Reduce -35.9% | 1,060,183 | $71.1M |
| Hengistbury Investment Partners LLP | 29.35% | Reduce -7.5% | 1,050,834 | $70.5M |
| Dimensional Fund Advisors LP | 0.01% | Add +4.8% | 1,050,385 | $70.4M |
| Oakcliff Capital Partners, LP | 30.50% | No change | 1,030,740 | $69.1M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.05% | Add +7.4% | 1,001,329 | $67.2M |
| Vanguard Global Advisers, LLC | 0.04% | — | 978,498 | $65.6M |
| Congress Asset Management Co. | 0.47% | Add +837.8% | 971,529 | $65.2M |
| Sumitomo Mitsui Trust Group, Inc. | 0.04% | Add +8.8% | 935,380 | $62.7M |
| California Public Employees Retirement System | 0.04% | Add +6.3% | 930,850 | $62.4M |
| BNP Paribas Financial Markets | 0.04% | Reduce -17.8% | 919,886 | $61.7M |
| National Pension Service | 0.05% | Add +29.9% | 908,278 | $60.9M |
| Marshall Wace, LLP | 0.06% | Reduce -72.6% | 877,766 | $58.9M |
| LPL Financial LLC | 0.02% | Add +8.8% | 847,227 | $56.8M |
| HSBC Holdings PLC | 0.03% | Reduce -24.1% | 850,275 | $56.8M |
| Citigroup Inc. | 0.03% | Reduce -18.6% | 807,830 | $54.2M |
| Canada Pension Plan Investment Board | 0.03% | Reduce -27.6% | 793,776 | $53.2M |
| Rhumbline Advisers | 0.04% | Reduce -0.6% | 766,485 | $51.4M |
| HRT Financial LP | 0.13% | Add +149.7% | 763,903 | $51.2M |
| RV Capital AG | 13.36% | Add +0.7% | 757,919 | $51.1M |
| Panagora Asset Management Inc. | 0.19% | Reduce -2.5% | 741,281 | $49.7M |
| Citadel Advisors | 0.04% | Add +13.2% | 736,273 | $49.4M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.04% | — | 731,388 | $49.1M |
| Blue Whale Capital LLP | 2.28% | Add +24.4% | 714,184 | $47.9M |
| Compagnie Lombard Odier SCmA | 0.57% | Add +44.8% | 697,166 | $46.8M |
| Allspring Global Investments Holdings, LLC | 0.08% | Reduce -0.3% | 682,455 | $46.3M |
| Caisse de depot et placement du Quebec | 0.07% | Reduce -49.3% | 655,749 | $44.0M |
| Stifel Financial Corp. | 0.04% | Add +1.1% | 649,346 | $43.6M |
| Soros Fund Management | 0.80% | Reduce -16.4% | 645,344 | $43.3M |
| California State Teachers Retirement System | 0.05% | Reduce -2.4% | 645,032 | $43.3M |
| Bank of Montreal | 0.02% | Reduce -5.8% | 605,957 | $40.6M |
| Federated Hermes, Inc. | 0.07% | Add +2.6% | 596,769 | $40.0M |
| Millennium Management | 0.03% | Reduce -32.5% | 585,800 | $39.3M |
| Sei Investments Co. | 0.03% | Add +46.5% | 564,427 | $37.9M |
| Victory Capital Management Inc. | 0.02% | Reduce -10.3% | 556,413 | $37.3M |
| Marathon Asset Management Ltd | 1.40% | Add +13.7% | 543,043 | $36.4M |
| CANADA LIFE ASSURANCE Co | 0.06% | Add +0.5% | 524,847 | $35.3M |
| Treasurer of the State of North Carolina | 0.11% | Add +7.6% | 519,215 | $34.8M |
| Ameriprise Financial Inc. | 0.01% | Add +19.0% | 515,286 | $34.6M |
| Principal Financial Group Inc. | 0.02% | Reduce -0.9% | 508,401 | $34.1M |
| Systrade AG | 22.50% | No change | 500,000 | $33.5M |
"% of holder's portfolio" is IBKR's weight in each manager's 13F, not the share of Interactive Brokers Gro Class A the manager owns.