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 | ||||
|---|---|---|---|---|---|---|
| Q2 2019 | $17,000 | 0.0% | 320 | 0.0% | 0.01% | 0.0% |
| Q1 2019 | $17,000 | 0.0% | 320 | 0.0% | 0.01% | -25.0% |
| Q4 2018 | $17,000 | -5.6% | 320 | 0.0% | 0.01% | +33.3% |
| Q3 2018 | $18,000 | -14.3% | 320 | 0.0% | 0.01% | -33.3% |
| Q2 2018 | $21,000 | -4.5% | 320 | 0.0% | 0.01% | +50.0% |
| Q1 2018 | $22,000 | +15.8% | 320 | 0.0% | 0.01% | 0.0% |
| Q4 2017 | $19,000 | +35.7% | 320 | 0.0% | 0.01% | 0.0% |
| Q3 2017 | $14,000 | +7.7% | 320 | 0.0% | 0.01% | +20.0% |
| Q2 2017 | $13,000 | -43.5% | 320 | -50.9% | 0.01% | -50.0% |
| Q1 2017 | $23,000 | +1050.0% | 652 | +1085.5% | 0.01% | +900.0% |
| Q4 2016 | $2,000 | 0.0% | 55 | 0.0% | 0.00% | 0.0% |
| Q3 2016 | $2,000 | 0.0% | 55 | 0.0% | 0.00% | 0.0% |
| Q2 2016 | $2,000 | 0.0% | 55 | 0.0% | 0.00% | -50.0% |
| Q1 2016 | $2,000 | – | 55 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Echinus Advisors, LLC | 1,959,765 | $108,395,000 | 18.60% |
| Teton Capital Partners | 1,469,316 | $81,268,000 | 16.09% |
| Anavon Capital LLP | 273,100 | $15,105,000 | 13.74% |
| Oakcliff Capital Partners, LP | 285,955 | $15,816,000 | 11.74% |
| Bares Capital Management | 5,858,183 | $324,016,000 | 9.08% |
| UNDERHILL INVESTMENT MANAGEMENT LLC | 328,750 | $18,183,000 | 8.92% |
| Arlington Value Capital | 1,682,008 | $93,032,000 | 6.82% |
| Centaur Capital | 52,500 | $2,904,000 | 5.37% |
| Greenwich Wealth Management LLC | 550,179 | $30,430,000 | 5.31% |
| Crestwood Capital Management, L.P. | 151,396 | $8,374,000 | 4.37% |