INTERACTIVE BROKERS GROUP IN IBKR
COM CL A · Common Stock · CUSIP 45841N107 · ISIN US45841N1072
American multinational brokerage firm
- SectorFinancials
- IndustrySecurity Brokers, Dealers & Flotation Companies
- HeadquartersGreenwich, CT
- Founded1994
- Websiteinteractivebrokers.com
- FilingsSEC EDGAR
Q1 2025 share counts are adjusted for a 4-for-1 stock split, so holders aren't shown as buying or selling because of it.
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($56.8m this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $55.44. Options: 27 managers hold calls ($525.7m notional), 27 hold puts ($514.3m).
Trends to Q2 2025
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 341 |
| Q4 2022 | 403 |
| Q1 2023 | 434 |
| Q2 2023 | 425 |
| Q3 2023 | 437 |
| Q4 2023 | 459 |
| Q1 2024 | 495 |
| Q2 2024 | 549 |
| Q3 2024 | 588 |
| Q4 2024 | 711 |
| Q1 2025 | 747 |
| Q2 2025 | 804 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2023 | 213 | 201 |
| Q4 2023 | 203 | 216 |
| Q1 2024 | 248 | 222 |
| Q2 2024 | 289 | 224 |
| Q3 2024 | 323 | 237 |
| Q4 2024 | 351 | 276 |
| Q1 2025 | 395 | 346 |
| Q2 2025 | 415 | 368 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2024 | $125.1m | $138.9m | 1.11 |
| Q4 2024 | $315.9m | $257.1m | 0.81 |
| Q1 2025 | $390.6m | $306.4m | 0.78 |
| Q2 2025 | $525.7m | $514.3m | 0.98 |
Biggest buyers
| ROYAL BANK OF CANADA | Added | +6.0m |
| WELLINGTON MANAGEMENT GROUP LLP | Added | +5.3m |
| W1M Investment Management Ltd | Added | +3.7m |
| FMR LLC | Added | +1.7m |
| Alyeska Investment Group, L.P. | New | +1.5m |
| PEAK6 LLC | New | +1.5m |
| SOROS FUND MANAGEMENT LLC | Added | +1.4m |
| Trivest Advisors Ltd | New | +1.3m |
| Invesco Ltd. | Added | +983.3k |
| BANK OF NOVA SCOTIA | Added | +948.5k |
Biggest sellers
| Orbis Allan Gray Ltd | Reduced | -4.2m |
| GEODE CAPITAL MANAGEMENT, LLC | Reduced | -2.5m |
| JPMORGAN CHASE & CO | Reduced | -2.2m |
| BANK OF AMERICA CORP /DE/ | Reduced | -1.7m |
| CITADEL ADVISORS LLC | Reduced | -1.7m |
| Qube Research & Technologies Ltd | Reduced | -1.7m |
| BlackRock, Inc. | Reduced | -1.4m |
| Sumitomo Mitsui Trust Group, Inc. | Reduced | -1.3m |
| VOYA INVESTMENT MANAGEMENT LLC | Reduced | -1.2m |
| GOLDMAN SACHS GROUP INC | Reduced | -1.1m |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $124.5m2.2m shares |
| CITADEL ADVISORS LLC | Reduced | $74.2m1.3m shares |
| IMC-Chicago, LLC | Reduced | $51.7m933.1k shares |
| GROUP ONE TRADING LLC | Added | $37.9m683.2k shares |
| WOLVERINE TRADING, LLC | Added | $35.8m663.5k shares |
| CAPITAL FUND MANAGEMENT S.A. | Reduced | $32.1m578.8k shares |
| Twin Tree Management, LP | Added | $22.6m408.4k shares |
| SIMPLEX TRADING, LLC | Reduced | $19.9m359.0k shares |
| TUDOR INVESTMENT CORP ET AL | Reduced | $14.9m268.8k shares |
| Walleye Trading LLC | Added | $14.9m268.2k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $175.8m3.2m shares |
| IMC-Chicago, LLC | Added | $53.0m956.4k shares |
| CITADEL ADVISORS LLC | Reduced | $50.2m906.7k shares |
| JANE STREET GROUP, LLC | Added | $43.6m786.3k shares |
| SIMPLEX TRADING, LLC | Added | $29.0m522.6k shares |
| GROUP ONE TRADING LLC | Added | $24.9m448.8k shares |
| WOLVERINE TRADING, LLC | Added | $22.0m406.8k shares |
| CAPITAL FUND MANAGEMENT S.A. | Added | $21.9m396.1k shares |
| Squarepoint Ops LLC | Reduced | $15.0m270.4k shares |
| BARCLAYS PLC | Unchanged | $10.0m180.0k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-30 | 7.3% |
| BlackRock, Inc. 13G · institution -3.3 pts · filed 2025-10-17 | 6.2% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD CAPITAL MANAGEMENT LLC)
Insider purchases and sales in Q2 2025
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q3 2023 | 0 | — | 2 | $42.2m | $42.2m |
| Q4 2023 | 0 | — | 2 | $39.7m | $39.7m |
| Q1 2024 | 0 | — | 2 | $71.3m | $71.3m |
| Q2 2024 | 0 | — | 0 | — | — |
| Q3 2024 | 0 | — | 0 | — | — |
| Q4 2024 | 0 | — | 0 | — | — |
| Q1 2025 | 1 | $29.6k | 0 | — | — |
| Q2 2025 | 0 | — | 0 | — | — |
None reported in Q2 2025.
Holders, Q2 2025
| Manager | Shares | Change |
|---|---|---|
| VANGUARD GROUP INC 0.04% of their portfolio | 41.8m $2.3bn | Added +404.3k |
| BlackRock, Inc. 0.04% of their portfolio | 40.2m $2.2bn | Reduced -1.4m |
| STATE STREET CORP 0.03% of their portfolio | 15.1m $838.4m | Added +48.0k |
| Cantillon Capital Management LLC 4.10% of their portfolio | 12.8m $709.4m | Reduced -371.7k |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 1.65% of their portfolio | 12.5m $692.1m | Reduced -193.0k |
| Greenwich Wealth Management LLC 29.22% of their portfolio | 10.9m $602.0m | Added +43.1k |
| JPMORGAN CHASE & CO 0.04% of their portfolio | 10.1m $562.3m | Reduced -2.2m |
| Orbis Allan Gray Ltd 2.62% of their portfolio | 9.7m $539.7m | Reduced -4.2m |
| WELLINGTON MANAGEMENT GROUP LLP 0.09% of their portfolio | 9.3m $513.7m | Added +5.3m |
| ROYAL BANK OF CANADA 0.05% of their portfolio | 8.4m $464.4m | Added +6.0m |
| Egerton Capital (UK) LLP 4.58% of their portfolio | 8.1m $446.4m | Added +721.0k |
| BANK OF AMERICA CORP /DE/ 0.03% of their portfolio | 7.6m $420.8m | Reduced -1.7m |
| GEODE CAPITAL MANAGEMENT, LLC 0.03% of their portfolio | 6.7m $371.4m | Reduced -2.5m |
| FMR LLC 0.02% of their portfolio | 6.7m $369.9m | Added +1.7m |
| AMERICAN CENTURY COMPANIES INC 0.17% of their portfolio | 5.6m $310.4m | Reduced -133.4k |
| Invesco Ltd. 0.05% of their portfolio | 5.4m $301.7m | Added +983.3k |
| MARSHALL WACE, LLP 0.36% of their portfolio | 5.4m $300.1m | Added +635.7k |
| JACOBS LEVY EQUITY MANAGEMENT, INC 1.17% of their portfolio | 5.4m $299.0m | Added +476.1k |
| NORGES BANK 0.04% of their portfolio | 5.1m $284.7m | Reduced -393.1k |
| NEUBERGER BERMAN GROUP LLC 0.21% of their portfolio | 4.9m $269.4m | Reduced -5.2k |
| MORGAN STANLEY 0.02% of their portfolio | 4.6m $256.2m | Added +162.5k |
| W1M Investment Management Ltd 3.39% of their portfolio | 4.4m $246.1m | Added +3.7m |
| JARISLOWSKY, FRASER Ltd 1.33% of their portfolio | 4.2m $233.6m | Reduced -58.0k |
| BAMCO INC /NY/ 0.63% of their portfolio | 4.2m $232.6m | Added +542.6k |
| NORTHERN TRUST CORP 0.03% of their portfolio | 3.7m $204.3m | Reduced -123.3k |
| WELLS FARGO & COMPANY/MN 0.04% of their portfolio | 3.4m $189.9m | Reduced -51.1k |
| TWO SIGMA ADVISERS, LP 0.38% of their portfolio | 3.4m $187.2m | Reduced -14.3k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.03% of their portfolio | 3.3m $183.5m | Reduced -26.3k |
| Bank of New York Mellon Corp 0.03% of their portfolio | 3.2m $179.2m | Reduced -307.7k |
| TWO SIGMA INVESTMENTS, LP 0.30% of their portfolio | 3.0m $167.5m | Added +335.3k |
| Bares Capital Management, Inc. 16.20% of their portfolio | 3.0m $166.8m | Reduced -367.0k |
| Bronte Capital Management Pty Ltd. 11.79% of their portfolio | 2.4m $150.1m | Added +298.3k |
| SOROS FUND MANAGEMENT LLC 2.12% of their portfolio | 2.2m $123.8m | Added +1.4m |
| Progeny 3, Inc. 6.61% of their portfolio | 2.1m $117.8m | Added +830.4k |
| AGF MANAGEMENT LTD 0.52% of their portfolio | 2.1m $114.4m | Reduced -169.1k |
| RAYMOND JAMES FINANCIAL INC 0.04% of their portfolio | 2.1m $114.2m | Reduced -320.8k |
| Ensign Peak Advisors, Inc 0.20% of their portfolio | 2.1m $114.1m | Added +61.1k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.02% of their portfolio | 2.0m $112.0m | Added +321.3k |
| UBS Group AG 0.02% of their portfolio | 2.0m $110.7m | Added +533.8k |
| RENAISSANCE TECHNOLOGIES LLC 0.15% of their portfolio | 2.0m $109.7m | Reduced -858.3k |
| Empower Advisory Group, LLC 0.31% of their portfolio | 1.8m $102.3m | Added +56.2k |
| Legal & General Group Plc 0.02% of their portfolio | 1.8m $97.6m | Added +81.6k |
| Ancient Art, L.P. 29.41% of their portfolio | 1.6m $91.1m | Unchanged |
| TimesSquare Capital Management, LLC 1.27% of their portfolio | 1.6m $88.1m | Added +21.3k |
| Qube Research & Technologies Ltd 0.12% of their portfolio | 1.5m $84.1m | Reduced -1.7m |
| Alyeska Investment Group, L.P. 0.30% of their portfolio | 1.5m $83.6m | New |
| FIRST TRUST ADVISORS LP 0.07% of their portfolio | 1.5m $83.4m | Added +27.7k |
| CITIGROUP INC 0.06% of their portfolio | 1.5m $83.3m | Reduced -3.3k |
| PEAK6 LLC 1.48% of their portfolio | 1.5m $81.9m | New |
| MILLENNIUM MANAGEMENT LLC 0.07% of their portfolio | 1.5m $80.4m | Reduced -562.9k |
| 1832 Asset Management L.P. 0.14% of their portfolio | 1.4m $78.4m | Added +371.4k |
| FIL Ltd 0.06% of their portfolio | 1.3m $73.4m | Added +7.4k |
| PRINCIPAL FINANCIAL GROUP INC 0.04% of their portfolio | 1.3m $73.1m | Reduced -114.8k |
| Trivest Advisors Ltd 2.84% of their portfolio | 1.3m $73.0m | New |
| GOLDMAN SACHS GROUP INC 0.01% of their portfolio | 1.3m $72.7m | Reduced -1.1m |
| RHUMBLINE ADVISERS 0.06% of their portfolio | 1.3m $70.6m | Reduced -4.5k |
| Pictet Asset Management Holding SA 0.07% of their portfolio | 1.2m $66.5m | Added +484.9k |
| Hosking Partners LLP 2.58% of their portfolio | 1.2m $64.8m | Added +40.4k |
| Hengistbury Investment Partners LLP 42.99% of their portfolio | 1.1m $63.0m | Added +158.1k |
| KBC Group NV 0.16% of their portfolio | 1.1m $59.6m | Reduced -1.0m |
| Retirement Systems of Alabama 0.21% of their portfolio | 1.1m $58.6m | Added +2.6k |
| DIMENSIONAL FUND ADVISORS LP 0.01% of their portfolio | 1.0m $57.3m | Added +27.6k |
| Oakcliff Capital Partners, LP 28.54% of their portfolio | 1.0m $57.1m | Unchanged |
| BANK OF NOVA SCOTIA 0.11% of their portfolio | 1.0m $55.9m | Added +948.5k |
| ENVESTNET ASSET MANAGEMENT INC 0.02% of their portfolio | 1.0m $55.7m | Reduced -224.0k |
| CITADEL ADVISORS LLC 0.04% of their portfolio | 931.8k $51.6m | Reduced -1.7m |
| Russell Investments Group, Ltd. 0.06% of their portfolio | 920.5k $51.0m | Added +154.9k |
| RV Capital AG 8.72% of their portfolio | 849.9k $47.1m | Unchanged |
| Sumitomo Mitsui Trust Group, Inc. 0.03% of their portfolio | 838.9k $46.5m | Reduced -1.3m |
| Allianz Asset Management GmbH 0.06% of their portfolio | 833.8k $46.2m | Reduced -334.8k |
| VICTORY CAPITAL MANAGEMENT INC 0.03% of their portfolio | 815.4k $45.2m | Added +81.8k |
| California Public Employees Retirement System 0.03% of their portfolio | 806.9k $44.7m | Added +35.4k |
| Connor, Clark & Lunn Investment Management Ltd. 0.16% of their portfolio | 796.3k $44.1m | Added +138.2k |
| CANADA PENSION PLAN INVESTMENT BOARD 0.04% of their portfolio | 794.6k $44.0m | Added +418.2k |
| Allspring Global Investments Holdings, LLC 0.07% of their portfolio | 780.0k $43.9m | Reduced -125.1k |
| Nuveen, LLC 0.01% of their portfolio | 775.5k $43.0m | Reduced -395.6k |
| FEDERATED HERMES, INC. 0.08% of their portfolio | 754.1k $41.8m | Reduced -108.7k |
| Marathon Asset Management Ltd 1.28% of their portfolio | 719.9k $39.9m | Reduced -10.2k |
| Jump Financial, LLC 0.48% of their portfolio | 704.1k $39.0m | Reduced -124.1k |
| National Pension Service 0.03% of their portfolio | 692.3k $38.4m | Reduced -701 |
| LPL Financial LLC 0.01% of their portfolio | 689.6k $38.2m | Added +11.9k |
| Hudson Way Capital Management LLC 3.43% of their portfolio | 684.1k $37.9m | Added +133.5k |
| DEUTSCHE BANK AG\ 0.01% of their portfolio | 670.3k $37.1m | Added +104.0k |
| INTECH INVESTMENT MANAGEMENT LLC 0.35% of their portfolio | 669.0k $37.1m | Added +116.4k |
| Amundi 0.01% of their portfolio | 666.3k $38.8m | Added +258.1k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.04% of their portfolio | 666.2k $36.9m | Added +151.6k |
| Coronation Fund Managers Ltd. 1.97% of their portfolio | 656.7k $36.4m | Reduced -130.3k |
| Treasurer of the State of North Carolina 0.12% of their portfolio | 651.3k $36.1m | Added +424.8k |
| STIFEL FINANCIAL CORP 0.03% of their portfolio | 619.4k $34.3m | Reduced -24.0k |
| AMERIPRISE FINANCIAL INC 0.01% of their portfolio | 608.2k $33.7m | Reduced -18.3k |
| ALLIANCEBERNSTEIN L.P. 0.01% of their portfolio | 603.0k $33.4m | Added +43.9k |
| Polar Capital Holdings Plc 0.17% of their portfolio | 574.5k $31.8m | Added +34.3k |
| CANADA LIFE ASSURANCE Co 0.05% of their portfolio | 556.0k $30.8m | Added +18.9k |
| Robeco Institutional Asset Management B.V. 0.05% of their portfolio | 516.5k $28.6m | Reduced -23.0k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.04% of their portfolio | 505.8k $28.0m | Added +267.0k |
| BROOKTREE CAPITAL MANAGEMENT 18.18% of their portfolio | 501.8k $27.8m | Reduced -4.5k |
| Mawer Investment Management Ltd. 0.13% of their portfolio | 452.0k $25.0m | Reduced -71.4k |
| Weiss Asset Management LP 0.39% of their portfolio | 450.0k $24.9m | Not comparable |
| W1M Asset Management Ltd 1.89% of their portfolio | 448.7k $24.9m | New |
| Nearwater Capital Markets, Ltd 0.39% of their portfolio | 440.0k $24.4m | New |