Interactive Brokers Gro Class AIBKR
13F holders, Q4 2025 (December 31)At the end of Q4 2025, 980 institutions reported holding Interactive Brokers Gro Class A (IBKR) in their 13F filings, up 69 from Q3 2025. 110 opened new positions and 85 sold out. The largest holders were Vanguard Group Inc. ($3.4B), BlackRock, Inc. ($2.0B) and State Street Corp. ($1.2B). 12 famous investors held it, including George Soros (0.9% of Soros Fund Management's portfolio), Ron Baron (0.8% of Baron Capital (BAMCO)'s portfolio) and Paul Tudor Jones (0.2% of Tudor Investment Corporation'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 Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 110 | $357.3M |
| Exits | 85 | $140.9M |
All 13F filers, Q3 2025 → Q4 2025: 33,972,070 shares bought and 26,906,624 shares sold, net +7,065,446 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 980 holders
| Vanguard Group Inc. | 0.05% | Reduce -1.1% | 52,254,357 | $3.4B |
| BlackRock, Inc. | 0.03% | Add +2.3% | 31,679,842 | $2.0B |
| State Street Corp. | 0.04% | Add +1.0% | 18,836,521 | $1.2B |
| Cantillon Capital Management LLC | 4.44% | Add +0.8% | 12,759,904 | $820.6M |
| Kayne Anderson Rudnick Investment Management LLC | 1.93% | Reduce -8.0% | 11,206,753 | $720.7M |
| Geode Capital Management, LLC | 0.04% | Reduce -1.4% | 10,203,434 | $654.3M |
| Orbis Allan Gray Ltd | 2.50% | Reduce -2.8% | 9,273,735 | $596.4M |
| Greenwich Wealth Management LLC | 26.35% | Reduce -11.4% | 9,185,108 | $590.7M |
| Invesco Ltd. | 0.05% | Add +44.1% | 8,288,379 | $533.0M |
| Wellington Management Group LLP | 0.09% | Reduce -24.0% | 8,284,218 | $532.8M |
| JPMorgan Chase & Co. | 0.03% | Reduce -17.8% | 7,440,816 | $478.5M |
| Norges Bank | 0.05% | — | 7,046,279 | $453.1M |
| Egerton Capital (UK) LLP | 4.85% | Add +11.0% | 6,939,581 | $446.3M |
| Bank of America Corp. | 0.03% | Reduce -12.6% | 6,668,672 | $428.9M |
| W1M Asset Management Ltd | 3.92% | Add +908.9% | 5,861,042 | $377.0M |
| American Century Companies Inc. | 0.19% | Reduce -3.2% | 5,762,860 | $370.6M |
| 1832 Asset Management L.P. | 0.41% | Add +260.3% | 5,027,916 | $323.3M |
| Jacobs Levy Equity Management, Inc. | 1.20% | Add +1.6% | 4,813,320 | $309.5M |
| FMR LLC | 0.02% | Reduce -22.8% | 4,809,195 | $309.3M |
| Baron Capital (BAMCO) | 0.81% | Add +0.7% | 4,643,376 | $298.6M |
| Neuberger Berman Group LLC | 0.22% | Reduce -4.6% | 4,616,728 | $297.3M |
| Two Sigma Advisers, LP | 0.57% | Add +9.7% | 4,597,600 | $295.7M |
| Morgan Stanley | 0.02% | Add +11.4% | 4,520,646 | $290.7M |
| Two Sigma Investments, LP | 0.36% | Reduce -1.4% | 3,526,821 | $226.8M |
| Northern Trust Corp. | 0.03% | Reduce -1.1% | 3,518,948 | $226.3M |
| Charles Schwab Investment Management Inc. | 0.03% | Add +2.4% | 3,383,354 | $217.6M |
| Marshall Wace, LLP | 0.20% | Reduce -8.0% | 3,204,247 | $206.1M |
| Wells Fargo & Company | 0.04% | Reduce -4.0% | 3,130,123 | $201.3M |
| First Trust Advisors LP | 0.12% | Reduce -7.7% | 2,635,369 | $169.5M |
| Bank of New York Mellon Corp | 0.03% | Add +2.0% | 2,530,644 | $162.7M |
| Goldman Sachs Group Inc. | 0.02% | Add +54.3% | 2,518,858 | $162.0M |
| UBS Group AG | 0.03% | Add +80.4% | 2,413,111 | $155.2M |
| TD Asset Management Inc | 0.12% | Add +3.5% | 2,381,961 | $153.2M |
| Royal Bank of Canada | 0.02% | Reduce -42.7% | 2,135,918 | $137.4M |
| Progeny 3, Inc. | 7.37% | Add +0.2% | 2,129,760 | $137.0M |
| KBC Group NV | 0.31% | Add +3.6% | 2,106,594 | $135.5M |
| Legal & General Group Plc | 0.03% | Add +13.8% | 2,103,969 | $135.3M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.03% | Add +11.6% | 1,998,267 | $128.5M |
| Raymond James Financial Inc. | 0.04% | Reduce -10.5% | 1,919,301 | $123.4M |
| Empower Advisory Group, LLC | 0.31% | Reduce -4.3% | 1,765,368 | $113.5M |
| Barclays PLC | 0.04% | Add +39.8% | 1,689,145 | $108.6M |
| Ensign Peak Advisors, Inc | 0.19% | Reduce -4.2% | 1,661,543 | $106.9M |
| Deutsche Bank AG | 0.03% | Reduce -13.1% | 1,653,745 | $106.4M |
| Ancient Art, L.P. | 23.91% | No change | 1,643,636 | $105.7M |
| Bessemer Group Inc. | 0.15% | Add +13966.0% | 1,532,489 | $98.6M |
| Amundi | 0.03% | Reduce -18.9% | 1,498,393 | $96.4M |
| Bronte Capital Management Pty Ltd. | 9.99% | Reduce -15.6% | 1,486,294 | $95.6M |
| FIL Ltd | 0.07% | Add +0.7% | 1,460,105 | $93.9M |
| TimesSquare Capital Management, LLC | 1.41% | Reduce -5.7% | 1,457,511 | $93.7M |
| Robeco Institutional Asset Management B.V. | 0.13% | Add +25.7% | 1,385,951 | $89.1M |
| Caisse de depot et placement du Quebec | 0.14% | Add +65.3% | 1,293,793 | $83.2M |
| Nuveen, LLC | 0.02% | Add +15.4% | 1,277,341 | $82.1M |
| Hosking Partners LLP | 2.76% | Add +6.1% | 1,264,348 | $81.3M |
| Bristol Gate Capital Partners Inc. | 4.50% | New | 1,211,726 | $77.9M |
| Hengistbury Investment Partners LLP | 32.80% | No change | 1,136,084 | $73.1M |
| HSBC Holdings PLC | 0.04% | Add +24.3% | 1,120,539 | $72.3M |
| BNP Paribas Financial Markets | 0.05% | Add +5.0% | 1,119,324 | $72.0M |
| Worldquant Millennium Advisors LLC | 0.28% | Reduce -19.0% | 1,111,014 | $71.4M |
| Canada Pension Plan Investment Board | 0.05% | Reduce -26.3% | 1,096,463 | $70.5M |
| Oakcliff Capital Partners, LP | 28.42% | No change | 1,030,740 | $66.3M |
| T. Rowe Price Associates Inc. | 0.01% | Add +8.1% | 1,029,793 | $66.2M |
| Squarepoint Ops LLC | 0.13% | Reduce -9.9% | 1,023,159 | $65.8M |
| Dimensional Fund Advisors LP | 0.01% | Reduce -0.0% | 1,002,476 | $64.5M |
| Citigroup Inc. | 0.04% | Reduce -59.2% | 992,685 | $63.8M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.04% | Add +5.0% | 932,381 | $62.7M |
| Russell Investments Group, Ltd. | 0.07% | Reduce -5.2% | 954,038 | $61.4M |
| Envestnet Asset Management Inc. | 0.02% | Reduce -8.4% | 915,497 | $58.9M |
| California Public Employees Retirement System | 0.03% | Reduce -2.2% | 875,753 | $56.3M |
| Millennium Management | 0.04% | Add +12.0% | 868,451 | $55.9M |
| Sumitomo Mitsui Trust Group, Inc. | 0.03% | Reduce -1.2% | 859,896 | $55.3M |
| LPL Financial LLC | 0.01% | Add +7.6% | 778,743 | $50.1M |
| Soros Fund Management | 0.89% | Reduce -51.3% | 771,480 | $49.6M |
| Rhumbline Advisers | 0.04% | Reduce -1.6% | 771,444 | $49.6M |
| Panagora Asset Management Inc. | 0.17% | Add +10.5% | 759,968 | $48.9M |
| RV Capital AG | 11.27% | Reduce -5.8% | 752,478 | $48.4M |
| Allspring Global Investments Holdings, LLC | 0.07% | Add +4.7% | 684,230 | $46.0M |
| National Pension Service | 0.03% | Reduce -1.2% | 699,284 | $45.0M |
| Jane Street Group, LLC | 0.05% | Add +2181.9% | 672,569 | $43.3M |
| California State Teachers Retirement System | 0.04% | Reduce -0.9% | 660,940 | $42.5M |
| Citadel Advisors | 0.03% | Reduce -16.3% | 650,534 | $41.8M |
| Wealth Enhancement Advisory Services, LLC | 0.06% | Add +1013.5% | 569,884 | $41.5M |
| Bank of Montreal | 0.02% | Add +8.0% | 643,510 | $41.4M |
| Stifel Financial Corp. | 0.04% | Reduce -3.5% | 642,327 | $41.3M |
| AustralianSuper Pty Ltd | 0.19% | Add +2099.6% | 628,824 | $40.4M |
| Victory Capital Management Inc. | 0.02% | Reduce -20.2% | 620,595 | $39.9M |
| Renaissance Technologies | 0.06% | Reduce -36.0% | 616,395 | $39.6M |
| PEAK6 LLC | 1.04% | Reduce -19.9% | 592,739 | $38.1M |
| Federated Hermes, Inc. | 0.06% | Reduce -7.2% | 581,695 | $37.4M |
| Allianz Asset Management GmbH | 0.04% | Add +20.0% | 580,769 | $37.3M |
| Blue Whale Capital LLP | 1.89% | Add +81.9% | 574,064 | $36.9M |
| Tudor Investment Corporation | 0.20% | New | 551,744 | $35.5M |
| CANADA LIFE ASSURANCE Co | 0.06% | Add +23.0% | 522,274 | $33.6M |
| Principal Financial Group Inc. | 0.02% | Add +2.2% | 512,794 | $33.0M |
| Systrade AG | 19.62% | No change | 500,000 | $32.2M |
| Capital Impact Advisors, LLC | 2.49% | Add +173.7% | 493,957 | $31.8M |
| Massachusetts Financial Services Co. | 0.01% | Add +747.6% | 489,748 | $31.5M |
| Bridgewater Associates | 0.11% | Reduce -16.1% | 488,940 | $31.4M |
| Alliancebernstein L.P. | 0.01% | Reduce -2.5% | 486,821 | $31.3M |
| Treasurer of the State of North Carolina | 0.10% | Reduce -2.8% | 482,631 | $31.0M |
| Compagnie Lombard Odier SCmA | 0.34% | Add +9.1% | 481,557 | $31.0M |
"% 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.