Companies / Interactive Brokers Group Inc / Activity
Activity — Interactive Brokers Group Inc
261 moves.
Top impactInsider · CEO movesInsider · biggest buysInsider · biggest sellsInstitution · biggest movesInstitution · new positions
| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q2 2025 as of | Cantillon Capital Management LLC 13F manager | Add | Common stock | $526.94M | +9.5M +288.72% | 12,803,631 2.83% of shares | high |
| Q1 2026 as of | Norges Bank 13F manager | Exit | Common stock | $-453.15M | -7.0M -100.00% | 0 | high |
| Q4 2025 as of | Norges Bank 13F manager | Add | Common stock | $364.22M | +5.7M +409.56% | 7,046,279 1.56% of shares | high |
| Q1 2026 as of | Two Sigma Investments, LP 13F manager | Add | Common stock | $321.01M | +4.8M +135.71% | 8,312,971 1.83% of shares | high |
| Q1 2026 as of | Marshall Wace, LLP 13F manager | Trim | Common stock | $-156.04M | -2.3M -72.61% | 877,766 0.19% of shares | high |
| Q2 2026 as of | BlackRock, Inc. 13F manager | Add | Common stock | $126.19M | +1.4M +4.58% | 33,129,663 7.31% of shares | high |
| Q1 2026 as of | Cantillon Capital Management LLC 13F manager | Trim | Common stock | $-101.55M | -1.5M -11.87% | 11,245,881 2.48% of shares | high |
| Q1 2026 as of | Viking Global Investors LP 13F manager | New | Common stock | $93.52M | +1.4M | 1,394,329 0.31% of shares | high |
| Q1 2026 as of | Kayne Anderson Rudnick Investment Management, LLC 13F manager | Trim | Common stock | $-79.85M | -1.2M -10.62% | 10,016,215 2.21% of shares | high |
| Q1 2026 as of | Amundi 13F manager | Add | Common stock | $62.70M | +935K +62.39% | 2,433,236 0.54% of shares | high |
| Q4 2025 as of | Bank of America Corp /De 13F manager | Trim | Common stock | $-61.71M | -959K -12.58% | 6,668,672 1.47% of shares | high |
| Q3 2025 as of | Barclays PLC 13F manager | Add | Common stock | $53.49M | +777K +180.42% | 1,208,115 0.27% of shares | high |
| Q2 2026 as of | State Street Corporation 13F manager | Add | Common stock | $52.33M | +601K +3.19% | 19,437,767 4.29% of shares | high |
| Q1 2026 as of | Bamco Inc /Ny 13F manager | Trim | Common stock | $-39.97M | -596K -12.84% | 4,047,376 0.89% of shares | medium |
| Q1 2026 as of | Peak6 LLC 13F manager | Exit | Common stock | $-38.12M | -593K -100.00% | 0 | medium |
| Q2 2026 as of | Deutsche Bank AG 13F manager | Add | Common stock | $36.64M | +421K +25.45% | 2,074,666 0.46% of shares | medium |
| Q2 2026 as of | Capital Impact Advisors, LLC 13F manager | Exit | Common stock | $-31.77M | -494K -100.00% | 0 | medium |
| Q1 2026 as of | D. E. Shaw & Co., Inc. 13F manager | Add | Common stock | $31.31M | +467K +1888.54% | 491,508 0.11% of shares | medium |
| Q4 2025 as of | Barclays PLC 13F manager | Add | Common stock | $30.94M | +481K +39.82% | 1,689,145 0.37% of shares | medium |
| Q1 2026 as of | Royal Bank of Canada 13F manager | Trim | Common stock | $-30.41M | -453K -21.23% | 1,682,514 0.37% of shares | medium |
| Q1 2026 as of | Bridgewater Associates, LP 13F manager | Trim | Common stock | $-27.94M | -417K -85.21% | 72,337 0.02% of shares | medium |
| Q4 2024 as of | Barclays PLC 13F manager | Add | Common stock | $25.05M | +142K +268.80% | 194,575 0.04% of shares | medium |
| Q1 2026 as of | Cookson Peirce & Co Inc 13F manager | New | Common stock | $24.77M | +369K | 369,268 0.08% of shares | medium |
| Q1 2026 as of | First Trust Advisors LP 13F manager | Trim | Common stock | $-22.55M | -336K -12.76% | 2,299,168 0.51% of shares | medium |
| Q1 2026 as of | CPPIB Crestone Peak Resources Canada Inc. 13F manager | Trim | Common stock | $-20.30M | -303K -27.61% | 793,776 0.18% of shares | medium |
| Q1 2026 as of | Millennium Management LLC 13F manager | Trim | Common stock | $-18.96M | -283K -32.55% | 585,800 0.13% of shares | medium |
| Q2 2026 as of | Mawer Investment Management Ltd. 13F manager | Trim | Common stock | $-17.98M | -207K -48.06% | 223,262 0.05% of shares | medium |
| Q1 2026 as of | Natixis 13F manager | Trim | Common stock | $-17.45M | -260K -67.17% | 127,170 0.03% of shares | medium |
| Q1 2026 as of | Bank of New York Mellon Corp/The 13F manager | Trim | Common stock | $-16.66M | -248K -9.81% | 2,282,311 0.50% of shares | medium |
| Q2 2025 as of | Barclays PLC 13F manager | Add | Common stock | $16.62M | +300K +229.29% | 430,826 0.10% of shares | medium |
| Q1 2026 as of | Zurich Insurance Group Ltd/FI 13F manager | Exit | Common stock | $-16.20M | -252K -100.00% | 0 | medium |
| Q1 2026 as of | Geode Capital Management, LLC 13F manager | Add | Common stock | $16.09M | +240K +2.35% | 10,443,607 2.31% of shares | medium |
| Q4 2025 as of | Danske Bank A/S 13F manager | Add | Common stock | $14.34M | +223K +223008.00% | 223,108 0.05% of shares | medium |
| Q1 2026 as of | BNP Paribas Financial Markets 13F manager | Trim | Common stock | $-13.38M | -199K -17.82% | 919,886 0.20% of shares | medium |
| Q1 2025 as of | Barclays PLC 13F manager | Trim | Common stock | $-10.56M | -64K -32.76% | 130,833 0.03% of shares | medium |
| Q1 2026 as of | Public Sector Pension Investment Board 13F manager | Trim | Common stock | $-10.51M | -157K -55.26% | 126,806 0.03% of shares | medium |
| Q1 2026 as of | Credit Agricole S a 13F manager | Trim | Common stock | $-10.39M | -155K -43.90% | 197,993 0.04% of shares | medium |
| Q1 2026 as of | Renaissance Technologies LLC 13F manager | Trim | Common stock | $-10.38M | -155K -25.10% | 461,700 0.10% of shares | medium |
| Q2 2026 as of | Mitsubishi UFJ Asset Management Co., Ltd. 13F manager | Add | Common stock | $10.31M | +118K +12.70% | 1,050,804 0.23% of shares | medium |
| Q4 2023 as of | Barclays PLC 13F manager | Trim | Common stock | $-9.91M | -119K -56.13% | 93,391 0.02% of shares | medium |
| Q1 2026 as of | AQR Capital Management, LLC 13F manager | Add | Common stock | $9.88M | +147K +154.83% | 242,576 0.05% of shares | medium |
| Q3 2025 as of | Cantillon Capital Management LLC 13F manager | Trim | Common stock | $-9.61M | -140K -1.09% | 12,664,026 2.80% of shares | medium |
| Q4 2025 as of | Peak6 LLC 13F manager | Trim | Common stock | $-9.44M | -147K -19.85% | 592,739 0.13% of shares | medium |
| Q2 2024 as of | Barclays PLC 13F manager | Trim | Common stock | $-8.80M | -72K -69.59% | 31,366 <0.01% of shares | medium |
| Q1 2026 as of | Zurcher Kantonalbank (Zurich Cantonalbank) 13F manager | Trim | Common stock | $-8.63M | -129K -27.16% | 345,208 0.08% of shares | medium |
| Q1 2026 as of | Brooktree Capital Management 13F manager | Trim | Common stock | $-8.62M | -128K -32.06% | 272,252 0.06% of shares | medium |
| Q1 2026 as of | Soros Fund Management LLC 13F manager | Trim | Common stock | $-8.46M | -126K -16.35% | 645,344 0.14% of shares | medium |
| Q2 2026 as of | Marvin & Palmer Associates Inc 13F manager | New | Common stock | $7.90M | +91K | 90,809 0.02% of shares | medium |
| Q1 2026 as of | Capital Fund Management S.A. 13F manager | Exit | Common stock | $-7.70M | -120K -100.00% | 0 | medium |
| Q2 2026 as of | Victory Capital Management, Inc. 13F manager | Trim | Common stock | $-7.69M | -88K -15.87% | 468,099 0.10% of shares | medium |