| $705M | ||
| $248M | ||
| $183M | ||
| $155M | ||
| $119M | ||
| $68M |
Buys | $0 | 0 | 0 |
Sells | $119,335,086 | 37 | 100 |
| Harris Lawrence E | director | 0 | $0 | 3 | $1.73M | $-1.73M |
| Nemser Earl H | Vice Chairman | 0 | $0 | 18 | $57.5M | $-57.5M |
| Brody Paul Jonathan | Chief Financial Officer | 0 | $0 | 16 | $60.1M | $-60.1M |
Interactive Brokers Group, Inc. operates as an automated electronic broker in the United States and internationally. The company engages in the execution, clearance, and settlement of trades in stocks, options, futures, foreign exchange instruments, bonds, mutual funds, exchange traded funds (ETFs), precious metals, and cryptocurrencies. It also offers custody and service accounts for hedge and mutual funds, ETFs, registered investment advisors, proprietary trading groups, introducing brokers, and individual investors. In addition, the company provides custody, prime brokerage, securities, and margin lending services. It serves institutional and individual customers through electronic exchanges and market centers. Interactive Brokers Group, Inc. was founded in 1977 and is headquartered in Greenwich, Connecticut.
Over the last 12 months, insiders at Interactive Brokers Group, Inc. have bought $0 and sold $119.34M worth of Interactive Brokers Group, Inc. stock.
On average, over the past 5 years, insiders at Interactive Brokers Group, Inc. have bought $29,634 and sold $227.11M worth of stock each year.
There was no buying activity among insiders over the last 12 months.
The last purchase of 135 shares for transaction amount of $29,634 was made by Bright Jill (director) on 2025‑01‑31.
| 2026-01-27 | Sale | Nemser Earl H | Vice Chairman | 60,200 0.0035% | $75.30 | $4.53M | -2.70% | |
| 2026-01-26 | Sale | Nemser Earl H | Vice Chairman | 94,800 0.0055% | $76.19 | $7.22M | -2.17% | |
| 2026-01-23 | Sale | Nemser Earl H | Vice Chairman | 145,000 0.0084% | $77.85 | $11.29M | -4.63% | |
| 2026-01-22 | Sale | Nemser Earl H | Vice Chairman | 100,000 0.0058% | $76.81 | $7.68M | -3.90% | |
| 2025-10-29 | Sale | Harris Lawrence E | director | 10,645 0.0006% | $69.00 | $734,505 | +1.95% | |
| 2025-10-28 | Sale | Harris Lawrence E | director | 6,855 0.0004% | $69.15 | $474,023 | +2.61% | |
| 2025-10-27 | Sale | Harris Lawrence E | director | 7,500 0.0005% | $69.73 | $522,975 | +1.25% | |
| 2025-09-30 | Sale | Brody Paul Jonathan | Chief Financial Officer | 3,134 0.0007% | $69.56 | $217,995 | +1.19% | |
| 2025-09-29 | Sale | Brody Paul Jonathan | Chief Financial Officer | 18,227 0.004% | $67.87 | $1.24M | +1.16% | |
| 2025-09-26 | Sale | Brody Paul Jonathan | Chief Financial Officer | 17,058 0.0038% | $65.78 | $1.12M | +5.25% | |
| 2025-09-25 | Sale | Brody Paul Jonathan | Chief Financial Officer | 14,296 0.0032% | $64.81 | $926,513 | +7.09% | |
| 2025-09-24 | Sale | Brody Paul Jonathan | Chief Financial Officer | 14,391 0.0032% | $64.81 | $932,684 | +7.87% | |
| 2025-09-23 | Sale | Brody Paul Jonathan | Chief Financial Officer | 19,025 0.0043% | $65.30 | $1.24M | +6.10% | |
| 2025-09-22 | Sale | Brody Paul Jonathan | Chief Financial Officer | 15,202 0.0034% | $63.96 | $972,393 | +8.10% | |
| 2025-09-19 | Sale | Brody Paul Jonathan | Chief Financial Officer | 6,928 0.0015% | $64.66 | $447,964 | +6.65% | |
| 2025-09-18 | Sale | Brody Paul Jonathan | Chief Financial Officer | 116,861 0.0262% | $64.73 | $7.56M | +6.82% | |
| 2025-09-17 | Sale | Brody Paul Jonathan | Chief Financial Officer | 106,521 0.0239% | $62.24 | $6.63M | +11.24% | |
| 2025-09-16 | Sale | Brody Paul Jonathan | Chief Financial Officer | 99,188 0.0222% | $62.24 | $6.17M | +10.87% | |
| 2025-09-15 | Sale | Brody Paul Jonathan | Chief Financial Officer | 96,294 0.0219% | $63.13 | $6.08M | +11.15% | |
| 2025-09-12 | Sale | Brody Paul Jonathan | Chief Financial Officer | 97,209 0.022% | $64.06 | $6.23M | +8.48% |
| Harris Lawrence E | director | 198704 0.0115% | $13.25M | 10 | 3 | +1.38% |
| Brody Paul Jonathan | Chief Financial Officer | 6928 0.0004% | $462,097.60 | 0 | 403 | |
| Nemser Earl H | Vice Chairman | 0 0% | $0 | 0 | 302 | |
| Peterffy Thomas | Chairman | 1630605 0.0944% | $108.76M | 0 | 439 | |
| TCV VI L P | 1398692 0.0809% | $93.29M | 5 | 2 | <0.0001% | |
| Galik Milan | President | 860993 0.0498% | $57.43M | 5 | 684 | <0.0001% |
| Frank Thomas AJ | Chief Information Officer | 76956 0.0045% | $5.13M | 0 | 426 | |
| TCV VII LP | 31334 0.0018% | $2.09M | 5 | 2 | <0.0001% | |
| Mendonca Denis | Chief Accounting Officer | 17883 0.001% | $1.19M | 0 | 2 | |
| DeFeo Philip D | director | 5000 0.0003% | $333,500.00 | 1 | 0 | +23.27% |
| Gates Richard J. | director | 5000 0.0003% | $333,500.00 | 1 | 0 | +13.31% |
| Bright Jill | director | 2476 0.0001% | $165,149.20 | 1 | 0 | +15.12% |
| Uhde Philip | director | 2270 0.0001% | $151,409.00 | 0 | 2 |
| Increased Positions | 498 | +49.16% | 39M | +10.13% |
| Decreased Positions | 438 | -43.24% | 29M | -7.44% |
| New Positions | 159 | New | 7M | New |
| Sold Out Positions | 90 | Sold Out | 2M | Sold Out |
| Total Postitions | 1,073 | +5.92% | 395M | +2.69% |
| Vanguard Group Inc | $3.55M | 11.88% | 52.86M | +11M | +26.43% | 2025-09-30 |
| Blackrock, Inc. | $2.08M | 6.96% | 30.97M | -9M | -23.03% | 2025-09-30 |
| State Street Corp | $1.25M | 4.19% | 18.65M | +4M | +23.25% | 2025-09-30 |
| Cantillon Capital Management Llc | $851,402.00 | 2.85% | 12.66M | -139,605 | -1.09% | 2025-09-30 |
| Kayne Anderson Rudnick Investment Management Llc | $818,493.00 | 2.74% | 12.17M | -315,575 | -2.53% | 2025-09-30 |
| Wellington Management Group Llp | $732,886.00 | 2.45% | 10.9M | +2M | +17.59% | 2025-09-30 |
| Greenwich Wealth Management Llc | $696,992.00 | 2.33% | 10.37M | -497,256 | -4.58% | 2025-09-30 |
| Geode Capital Management, Llc | $695,451.00 | 2.33% | 10.34M | +4M | +54.8% | 2025-09-30 |
| Orbis Allan Gray Ltd | $641,635.00 | 2.15% | 9.54M | -196,200 | -2.01% | 2025-09-30 |
| Jpmorgan Chase & Co | $608,462.00 | 2.03% | 9.05M | -1M | -10.82% | 2025-09-30 |