INTERACTIVE BROKERS GROUP IN's ticker is IBKR and the CUSIP is 45841N107. A total of 250 filers reported holding INTERACTIVE BROKERS GROUP IN in Q4 2018. The put-call ratio across all filers is 1.43 and the average weighting 0.6%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2020 | $70,211,000 | +24.9% | 1,152,513 | -0.9% | 0.04% | +18.4% |
| Q3 2020 | $56,233,000 | -8.4% | 1,163,516 | -20.8% | 0.04% | -11.6% |
| Q2 2020 | $61,395,000 | +99.3% | 1,469,839 | +105.9% | 0.04% | +65.4% |
| Q1 2020 | $30,810,000 | +25.4% | 713,694 | +35.4% | 0.03% | +36.8% |
| Q4 2019 | $24,565,000 | -54.3% | 526,930 | -47.3% | 0.02% | -59.6% |
| Q3 2019 | $53,809,000 | -2.3% | 1,000,538 | -1.6% | 0.05% | -4.1% |
| Q2 2019 | $55,095,000 | +15.7% | 1,016,504 | +10.7% | 0.05% | +11.4% |
| Q1 2019 | $47,618,000 | -6.9% | 917,851 | -4.3% | 0.04% | -20.0% |
| Q4 2018 | $51,130,000 | -29.9% | 959,470 | -27.2% | 0.06% | -29.5% |
| Q3 2018 | $72,905,000 | +12.2% | 1,318,110 | +30.6% | 0.08% | +2.6% |
| Q2 2018 | $65,003,000 | +5.2% | 1,009,202 | +9.8% | 0.08% | -3.8% |
| Q1 2018 | $61,782,000 | +614.2% | 918,832 | +528.9% | 0.08% | +618.2% |
| Q4 2017 | $8,651,000 | – | 146,100 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Echinus Advisors, LLC | 2,158,984 | $117,988,000 | 20.90% |
| Teton Capital Partners | 1,619,773 | $88,521,000 | 17.78% |
| Oakcliff Capital Partners, LP | 343,955 | $18,797,000 | 15.46% |
| Bares Capital Management | 6,929,471 | $378,696,000 | 11.50% |
| UNDERHILL INVESTMENT MANAGEMENT LLC | 315,450 | $17,239,000 | 11.01% |
| Bronte Capital Management Pty Ltd. | 446,660 | $24,410,000 | 9.74% |
| Lansing Management LP | 112,408 | $6,143,000 | 7.97% |
| Greenwich Wealth Management LLC | 559,971 | $30,602,000 | 6.10% |
| Arlington Value Capital | 1,332,215 | $72,806,000 | 5.81% |
| Crestwood Capital Management, L.P. | 151,396 | $8,274,000 | 5.00% |