INTERACTIVE BROKERS GROUP IN's ticker is IBKR and the CUSIP is 45841N107. A total of 270 filers reported holding INTERACTIVE BROKERS GROUP IN in Q3 2018. The put-call ratio across all filers is 1.03 and the average weighting 0.5%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2021 | $634,000 | -37.0% | 8,682 | -47.5% | 0.08% | -36.7% |
| Q4 2020 | $1,007,000 | -19.3% | 16,523 | -36.0% | 0.12% | -13.7% |
| Q3 2020 | $1,248,000 | +3.8% | 25,826 | -10.2% | 0.14% | +13.9% |
| Q2 2020 | $1,202,000 | +607.1% | 28,772 | +826.6% | 0.12% | +430.4% |
| Q4 2018 | $170,000 | -84.7% | 3,105 | -84.6% | 0.02% | -83.7% |
| Q3 2018 | $1,113,000 | +318.4% | 20,129 | +386.9% | 0.14% | +370.0% |
| Q2 2018 | $266,000 | – | 4,134 | – | 0.03% | – |
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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% |