Interactive Brokers Gro Class AIBKR
13F holders, Q2 2025 (June 30)At the end of Q2 2025, 802 institutions reported holding Interactive Brokers Gro Class A (IBKR) in their 13F filings, up 55 from Q1 2025. 139 opened new positions and 80 sold out. The largest holders were Vanguard Group Inc. ($2.3B), BlackRock, Inc. ($2.2B) and State Street Corp. ($838.4M). 10 famous investors held it, including George Soros (3.3% of Soros Fund Management's portfolio), Ron Baron (0.6% of Baron Capital (BAMCO)'s portfolio) and Jim Simons / Peter Brown (0.1% of Renaissance Technologies'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 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 139 | $429.2M |
| Exits | 80 | $237.1M |
All 13F filers, Q1 2025 → Q2 2025: 36,476,002 shares bought and 37,959,334 shares sold, net −1,483,332 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 802 holders
| Vanguard Group Inc. | 0.04% | Add +1.0% | 41,810,406 | $2.3B |
| BlackRock, Inc. | 0.04% | Reduce -3.4% | 40,236,728 | $2.2B |
| State Street Corp. | 0.03% | Add +0.3% | 15,131,029 | $838.4M |
| Cantillon Capital Management LLC | 4.10% | Reduce -2.8% | 12,803,631 | $709.4M |
| Kayne Anderson Rudnick Investment Management LLC | 1.65% | Reduce -1.5% | 12,490,101 | $692.1M |
| Greenwich Wealth Management LLC | 29.22% | Add +0.4% | 10,864,532 | $602.0M |
| JPMorgan Chase & Co. | 0.04% | Reduce -18.1% | 10,148,398 | $562.3M |
| Orbis Allan Gray Ltd | 2.62% | Reduce -30.3% | 9,740,072 | $539.7M |
| Wellington Management Group LLP | 0.09% | Add +135.6% | 9,270,551 | $513.7M |
| Egerton Capital (UK) LLP | 4.58% | Add +9.8% | 8,056,844 | $446.4M |
| Bank of America Corp. | 0.03% | Reduce -18.6% | 7,594,906 | $420.8M |
| Geode Capital Management, LLC | 0.03% | Reduce -27.3% | 6,682,629 | $371.4M |
| FMR LLC | 0.02% | Add +33.1% | 6,675,587 | $369.9M |
| American Century Companies Inc. | 0.17% | Reduce -2.3% | 5,602,511 | $310.4M |
| Invesco Ltd. | 0.05% | Add +22.0% | 5,444,152 | $301.7M |
| Marshall Wace, LLP | 0.36% | Add +13.3% | 5,415,370 | $300.1M |
| Jacobs Levy Equity Management, Inc. | 1.17% | Add +9.7% | 5,396,930 | $299.0M |
| Norges Bank | 0.04% | Reduce -7.1% | 5,138,107 | $284.7M |
| Neuberger Berman Group LLC | 0.21% | Reduce -0.1% | 4,875,777 | $269.4M |
| Morgan Stanley | 0.02% | Add +3.6% | 4,623,068 | $256.2M |
| W1M Investment Management Ltd | 3.39% | Add +462.1% | 4,441,243 | $246.1M |
| JARISLOWSKY, FRASER Ltd | 1.34% | Reduce -1.4% | 4,216,701 | $233.6M |
| Baron Capital (BAMCO) | 0.63% | Add +14.8% | 4,198,424 | $232.6M |
| Royal Bank of Canada | 0.05% | Add +72.4% | 4,190,258 | $232.2M |
| Northern Trust Corp. | 0.03% | Reduce -3.2% | 3,687,831 | $204.3M |
| Wells Fargo & Company | 0.04% | Reduce -1.5% | 3,427,977 | $189.9M |
| Two Sigma Advisers, LP | 0.38% | Reduce -0.4% | 3,378,900 | $187.2M |
| Charles Schwab Investment Management Inc. | 0.03% | Reduce -0.8% | 3,311,299 | $183.5M |
| Bank of New York Mellon Corp | 0.03% | Reduce -8.7% | 3,233,651 | $179.2M |
| Two Sigma Investments, LP | 0.32% | Add +12.5% | 3,022,728 | $167.5M |
| Bares Capital Management, Inc. | 16.20% | Reduce -10.9% | 3,011,100 | $166.8M |
| Bronte Capital Management Pty Ltd. | 11.79% | Add +14.2% | 2,404,649 | $150.1M |
| Soros Fund Management | 3.30% | Add +181.8% | 2,233,727 | $123.8M |
| Progeny 3, Inc. | 6.61% | Add +64.1% | 2,126,460 | $117.8M |
| Agf Management Ltd. | 0.52% | Reduce -7.6% | 2,064,368 | $114.4M |
| Raymond James Financial Inc. | 0.04% | Reduce -13.5% | 2,060,404 | $114.2M |
| Ensign Peak Advisors, Inc | 0.20% | Add +3.1% | 2,059,466 | $114.1M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.02% | Add +18.9% | 2,021,143 | $112.0M |
| UBS Group AG | 0.02% | Add +36.4% | 1,998,659 | $110.7M |
| Renaissance Technologies | 0.15% | Reduce -30.3% | 1,978,940 | $109.7M |
| Empower Advisory Group, LLC | 0.31% | Add +3.1% | 1,846,846 | $102.3M |
| Legal & General Group Plc | 0.02% | Add +4.9% | 1,761,844 | $97.6M |
| Ancient Art, L.P. | 29.41% | No change | 1,643,636 | $91.1M |
| TimesSquare Capital Management, LLC | 1.27% | Add +1.4% | 1,590,275 | $88.1M |
| Qube Research & Technologies Ltd | 0.12% | Reduce -52.5% | 1,518,528 | $84.1M |
| Alyeska Investment Group, L.P. | 0.30% | New | 1,508,103 | $83.6M |
| First Trust Advisors LP | 0.07% | Add +1.9% | 1,504,814 | $83.4M |
| Citigroup Inc. | 0.06% | Reduce -0.2% | 1,503,620 | $83.3M |
| Millennium Management | 0.07% | Reduce -27.9% | 1,450,985 | $80.4M |
| 1832 Asset Management L.P. | 0.14% | Add +35.6% | 1,414,777 | $78.4M |
| FIL Ltd | 0.06% | Add +0.6% | 1,323,849 | $73.4M |
| Principal Financial Group Inc. | 0.04% | Reduce -8.0% | 1,319,929 | $73.1M |
| Trivest Advisors Ltd | 2.84% | New | 1,317,400 | $73.0M |
| Goldman Sachs Group Inc. | 0.01% | Reduce -45.1% | 1,311,355 | $72.7M |
| Rhumbline Advisers | 0.06% | Reduce -0.3% | 1,273,522 | $70.6M |
| Pictet Asset Management Holding SA | 0.07% | Add +67.8% | 1,200,700 | $66.5M |
| Hosking Partners LLP | 2.58% | Add +3.6% | 1,169,447 | $64.8M |
| Hengistbury Investment Partners LLP | 42.99% | Add +16.2% | 1,136,084 | $63.0M |
| KBC Group NV | 0.16% | Reduce -48.5% | 1,075,774 | $59.6M |
| Retirement Systems of Alabama | 0.21% | Add +0.3% | 1,057,199 | $58.6M |
| Dimensional Fund Advisors LP | 0.01% | Add +2.7% | 1,033,709 | $57.3M |
| Oakcliff Capital Partners, LP | 28.54% | No change | 1,030,740 | $57.1M |
| Bank of Nova Scotia | 0.11% | Add +1560.3% | 1,009,342 | $55.9M |
| Envestnet Asset Management Inc. | 0.02% | Reduce -18.2% | 1,005,043 | $55.7M |
| Citadel Advisors | 0.05% | Reduce -64.9% | 931,799 | $51.6M |
| Russell Investments Group, Ltd. | 0.07% | Add +20.2% | 920,473 | $51.0M |
| RV Capital AG | 8.72% | No change | 849,920 | $47.1M |
| Sumitomo Mitsui Trust Group, Inc. | 0.03% | Reduce -61.2% | 838,948 | $46.5M |
| Allianz Asset Management GmbH | 0.06% | Reduce -28.6% | 833,813 | $46.2M |
| Victory Capital Management Inc. | 0.03% | Add +11.2% | 815,397 | $45.2M |
| California Public Employees Retirement System | 0.03% | Add +4.6% | 806,889 | $44.7M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.16% | Add +21.0% | 796,272 | $44.1M |
| Canada Pension Plan Investment Board | 0.04% | Add +111.1% | 794,616 | $44.0M |
| Allspring Global Investments Holdings, LLC | 0.07% | Reduce -13.8% | 780,044 | $43.9M |
| Nuveen, LLC | 0.01% | Reduce -33.8% | 775,454 | $43.0M |
| Federated Hermes, Inc. | 0.08% | Reduce -12.6% | 754,113 | $41.8M |
| PEAK6 LLC | 1.39% | New | 738,981 | $40.9M |
| Marathon Asset Management Ltd | 1.28% | Reduce -1.4% | 719,904 | $39.9M |
| Jump Financial, LLC | 0.49% | Reduce -15.0% | 704,088 | $39.0M |
| Amundi | 0.01% | Add +63.2% | 666,333 | $38.8M |
| National Pension Service | 0.03% | Reduce -0.1% | 692,295 | $38.4M |
| LPL Financial LLC | 0.01% | Add +1.8% | 689,614 | $38.2M |
| Hudson Way Capital Management LLC | 3.43% | Add +24.3% | 684,074 | $37.9M |
| Deutsche Bank AG | 0.01% | Add +18.4% | 670,274 | $37.1M |
| Intech Investment Management LLC | 0.35% | Add +21.1% | 668,977 | $37.1M |
| California State Teachers Retirement System | 0.04% | Add +29.4% | 666,192 | $36.9M |
| Coronation Fund Managers Ltd. | 1.97% | Reduce -16.6% | 656,725 | $36.4M |
| Treasurer of the State of North Carolina | 0.12% | Add +187.6% | 651,274 | $36.1M |
| Stifel Financial Corp. | 0.03% | Reduce -3.7% | 619,421 | $34.3M |
| Ameriprise Financial Inc. | 0.01% | Reduce -2.9% | 608,247 | $33.7M |
| Alliancebernstein L.P. | 0.01% | Add +7.9% | 602,977 | $33.4M |
| Polar Capital Holdings Plc | 0.17% | Add +6.3% | 574,476 | $31.8M |
| CANADA LIFE ASSURANCE Co | 0.05% | Add +3.5% | 556,042 | $30.8M |
| Robeco Institutional Asset Management B.V. | 0.05% | Reduce -4.3% | 516,526 | $28.6M |
| New York State Common Retirement Fund | 0.04% | Add +111.8% | 505,808 | $28.0M |
| Brooktree Capital Management | 18.18% | Reduce -0.9% | 501,839 | $27.8M |
| Mawer Investment Management Ltd. | 0.13% | Reduce -13.6% | 452,048 | $25.0M |
| Weiss Asset Management LP | 0.47% | New | 449,952 | $24.9M |
| W1M Asset Management Ltd | 1.89% | New | 448,733 | $24.9M |
| Nearwater Capital Markets, Ltd | 0.39% | New | 440,000 | $24.4M |
"% 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.