Interactive Brokers Gro Class AIBKR
13F holders, Q2 2026 (June 30)1,118holders +117
182new positions
67sold out
16famous investors
$87.14avg. 13F price*
At the end of Q2 2026, 1,118 institutions reported holding Interactive Brokers Gro Class A (IBKR) in their 13F filings, up 117 from Q1 2026. 182 opened new positions and 67 sold out. The largest holders were BlackRock, Inc. ($2.9B), Vanguard Capital Management LLC ($2.5B) and State Street Corp. ($1.7B). 16 famous investors held it, including Andreas Halvorsen (1.2% of Viking Global Investors's portfolio), Ron Baron (0.6% of Baron Capital (BAMCO)'s portfolio) and Stephen Mandel (0.3% of Lone Pine Capital'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 Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 182 | $937.1M |
| Exits | 67 | $71.9M |
All 13F filers, Q1 2026 → Q2 2026: 42,398,016 shares bought and 41,764,124 shares sold, net +633,892 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 1,118 holders
| BlackRock, Inc. | 0.04% | Add +5.6% | 33,129,663 | $2.9B |
| Vanguard Capital Management LLC | 0.05% | Add +0.6% | 28,349,920 | $2.5B |
| State Street Corp. | 0.05% | Add +1.8% | 19,437,767 | $1.7B |
| FMR LLC | 0.04% | Reduce -5.4% | 11,828,151 | $1.0B |
| Geode Capital Management, LLC | 0.05% | Add +1.9% | 10,641,906 | $925.5M |
| Greenwich Wealth Management LLC | 31.48% | Reduce -0.0% | 9,921,755 | $863.6M |
| Invesco Ltd. | 0.07% | Add +0.6% | 9,708,980 | $845.1M |
| Vanguard Portfolio Management LLC | 0.03% | Reduce -41.8% | 8,724,292 | $759.4M |
| Two Sigma Investments, LP | 0.57% | Add +0.3% | 8,340,400 | $725.9M |
| Wellington Management Group LLP | 0.11% | Reduce -24.5% | 7,382,141 | $642.5M |
| Kayne Anderson Rudnick Investment Management LLC | 1.72% | Reduce -36.5% | 6,365,531 | $554.1M |
| Norges Bank | 0.06% | — | 6,334,173 | $551.3M |
| Orbis Allan Gray Ltd | 1.82% | Reduce -0.8% | 6,069,270 | $528.3M |
| W1M Asset Management Ltd | 4.77% | Add +1.0% | 5,975,636 | $520.1M |
| Bank of America Corp. | 0.03% | Reduce -4.4% | 5,954,055 | $518.2M |
| American Century Companies Inc. | 0.22% | Reduce -2.8% | 5,583,028 | $485.9M |
| Ninety One UK Ltd | 1.02% | New | 5,258,689 | $457.7M |
| JPMorgan Chase & Co. | 0.03% | Reduce -22.9% | 5,187,549 | $457.5M |
| Morgan Stanley | 0.02% | Add +8.0% | 5,146,242 | $447.9M |
| Viking Global Investors | 1.20% | Add +246.5% | 4,830,748 | $420.5M |
| Baron Capital (BAMCO) | 0.63% | Add +18.8% | 4,807,214 | $418.4M |
| Neuberger Berman Group LLC | 0.27% | Add +23.3% | 4,601,941 | $401.3M |
| 1832 Asset Management L.P. | 0.46% | Reduce -2.5% | 4,340,899 | $377.8M |
| Goldman Sachs Group Inc. | 0.04% | Add +29.0% | 4,156,847 | $361.8M |
| Egerton Capital (UK) LLP | 3.47% | Reduce -34.2% | 4,129,416 | $359.4M |
| Bessemer Group Inc. | 0.46% | Reduce -1.2% | 3,874,453 | $337.2M |
| Charles Schwab Investment Management Inc. | 0.04% | Add +6.8% | 3,838,547 | $334.1M |
| TD Asset Management Inc | 0.28% | Add +47.9% | 3,651,927 | $317.9M |
| Northern Trust Corp. | 0.04% | Add +1.2% | 3,605,708 | $313.8M |
| UBS Group AG | 0.05% | Add +50.5% | 3,406,122 | $296.5M |
| Jacobs Levy Equity Management, Inc. | 1.06% | Reduce -13.5% | 3,399,433 | $295.9M |
| Jane Street Group, LLC | 0.19% | Add +89.5% | 3,350,116 | $291.6M |
| Capital World Investors | 0.03% | Add +7.4% | 3,255,412 | $283.4M |
| Barclays PLC | 0.07% | Add +15.5% | 2,618,674 | $227.9M |
| Vanguard Fiduciary Trust Co. | 0.05% | Add +0.6% | 2,505,131 | $218.0M |
| Bank of New York Mellon Corp | 0.03% | Add +6.0% | 2,420,031 | $210.6M |
| Legal & General Group Plc | 0.04% | Reduce -8.8% | 2,286,593 | $199.0M |
| Wells Fargo & Company | 0.03% | Reduce -21.3% | 2,273,543 | $197.9M |
| Progeny 3, Inc. | 9.86% | No change | 2,195,640 | $191.1M |
| First Trust Advisors LP | 0.11% | Reduce -8.4% | 2,106,272 | $183.3M |
| Deutsche Bank AG | 0.05% | Add +95.7% | 2,074,666 | $180.6M |
| Amundi | 0.04% | Reduce -16.6% | 2,029,684 | $176.7M |
| KBC Group NV | 0.38% | Reduce -4.1% | 2,028,985 | $176.6M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.03% | Reduce -8.8% | 1,938,409 | $168.7M |
| Raymond James Financial Inc. | 0.04% | Reduce -4.5% | 1,695,198 | $147.6M |
| HRT Financial LP | 0.26% | Add +113.8% | 1,633,365 | $142.2M |
| D. E. Shaw & Co. | 0.09% | Add +226.0% | 1,602,534 | $139.5M |
| FIL Ltd | 0.10% | Add +4.5% | 1,581,220 | $137.6M |
| Congress Asset Management Co. | 0.82% | Add +57.3% | 1,527,739 | $133.0M |
| T. Rowe Price Associates Inc. | 0.01% | Add +38.0% | 1,504,030 | $130.9M |
| Lord, Abbett & Co. LLC | 0.38% | Add +0.5% | 1,471,381 | $128.1M |
| Royal Bank of Canada | 0.02% | Reduce -13.1% | 1,462,963 | $127.3M |
| Agf Management Ltd. | 0.49% | New | 1,451,924 | $126.4M |
| Qube Research & Technologies Ltd | 0.14% | Add +284.7% | 1,442,839 | $125.6M |
| TimesSquare Capital Management, LLC | 1.82% | Reduce -1.8% | 1,424,489 | $124.0M |
| Robeco Institutional Asset Management B.V. | 0.15% | Add +6.9% | 1,418,704 | $123.5M |
| Russell Investments Group, Ltd. | 0.11% | Add +23.3% | 1,406,208 | $122.4M |
| Canada Pension Plan Investment Board | 0.06% | Add +66.6% | 1,322,682 | $115.1M |
| Allspring Global Investments Holdings, LLC | 0.17% | Add +77.9% | 1,214,314 | $113.2M |
| Ancient Art, L.P. | 22.86% | No change | 1,285,193 | $111.9M |
| Nuveen, LLC | 0.02% | Reduce -5.7% | 1,193,615 | $103.9M |
| BNP Paribas Financial Markets | 0.05% | Add +21.3% | 1,116,054 | $97.1M |
| Empower Advisory Group, LLC | 0.23% | Add +0.5% | 1,111,873 | $96.8M |
| Citadel Advisors | 0.05% | Add +46.9% | 1,081,743 | $94.2M |
| Dimensional Fund Advisors LP | 0.02% | Add +2.2% | 1,073,810 | $93.5M |
| Hosking Partners LLP | 3.07% | Reduce -11.2% | 1,061,140 | $92.4M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.05% | Add +4.9% | 1,050,804 | $91.5M |
| Oakcliff Capital Partners, LP | 33.42% | No change | 1,030,740 | $89.7M |
| California Public Employees Retirement System | 0.05% | Add +8.7% | 1,011,742 | $88.1M |
| Hengistbury Investment Partners LLP | 28.22% | Reduce -4.0% | 1,008,550 | $87.8M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.13% | Add +280.9% | 1,001,651 | $87.2M |
| Vanguard Global Advisers, LLC | 0.04% | Reduce -1.2% | 966,952 | $84.2M |
| Squarepoint Ops LLC | 0.16% | Add +205.3% | 964,391 | $83.9M |
| Panagora Asset Management Inc. | 0.25% | Add +27.5% | 945,321 | $82.3M |
| Envestnet Asset Management Inc. | 0.02% | Reduce -11.8% | 937,891 | $81.6M |
| AustralianSuper Pty Ltd | 0.35% | Reduce -18.1% | 924,672 | $80.5M |
| HSBC Holdings PLC | 0.04% | Add +4.9% | 891,791 | $78.3M |
| National Pension Service | 0.05% | Reduce -1.5% | 895,059 | $77.9M |
| Sumitomo Mitsui Trust Group, Inc. | 0.04% | Reduce -5.4% | 885,091 | $77.0M |
| Bronte Capital Management Pty Ltd. | 8.66% | Reduce -31.1% | 883,526 | $76.9M |
| Point72 Asset Management | 0.12% | Add +1305.5% | 867,084 | $75.5M |
| LPL Financial LLC | 0.02% | Add +1.3% | 858,091 | $74.7M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.05% | Add +15.7% | 845,950 | $73.6M |
| Mackenzie Financial Corp. | 0.07% | Add +1568.9% | 829,288 | $72.2M |
| Millennium Management | 0.05% | Add +31.8% | 772,059 | $67.2M |
| Fullerton Fund Management Co Ltd. | 4.28% | Add +94.8% | 764,962 | $66.6M |
| Rhumbline Advisers | 0.05% | Reduce -0.6% | 761,578 | $66.3M |
| Bristol Gate Capital Partners Inc. | 4.59% | Reduce -33.3% | 756,747 | $65.9M |
| Tudor Investment Corporation | 0.27% | Add +120.3% | 741,915 | $64.6M |
| Walleye Capital LLC | 0.33% | Add +6925.6% | 721,389 | $62.8M |
| Compagnie Lombard Odier SCmA | 0.67% | Add +1.6% | 708,624 | $61.7M |
| SG Americas Securities, LLC | 0.04% | Add +185.7% | 706,893 | $61.5M |
| Ameriprise Financial Inc. | 0.01% | Add +36.7% | 704,357 | $61.3M |
| Blue Whale Capital LLP | 1.85% | Reduce -6.3% | 669,562 | $58.3M |
| Axxion S.A. | 4.15% | — | 660,000 | $57.4M |
| Natixis Advisors, LLC | 0.06% | Add +77.1% | 647,299 | $56.3M |
| Assenagon Asset Management S.A. | 0.07% | Reduce -45.9% | 645,171 | $56.2M |
| Citigroup Inc. | 0.03% | Reduce -22.0% | 629,870 | $54.8M |
| Stifel Financial Corp. | 0.05% | Reduce -3.2% | 628,812 | $54.7M |
| California State Teachers Retirement System | 0.05% | Reduce -4.3% | 617,238 | $53.7M |
"% 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.