INTERACTIVE BROKERS GROUP IN's ticker is IBKR and the CUSIP is 45841N107. A total of 253 filers reported holding INTERACTIVE BROKERS GROUP IN in Q1 2019. The put-call ratio across all filers is 1.80 and the average weighting 0.5%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2019 | $5,540,000 | +3.3% | 102,208 | -1.1% | 2.78% | -1.7% |
| Q1 2019 | $5,362,000 | -5.9% | 103,362 | -0.9% | 2.83% | -22.7% |
| Q4 2018 | $5,698,000 | -1.3% | 104,258 | -0.1% | 3.66% | +30.4% |
| Q3 2018 | $5,773,000 | -3.6% | 104,369 | +12.3% | 2.81% | -16.0% |
| Q2 2018 | $5,988,000 | -4.3% | 92,968 | -0.1% | 3.34% | -8.5% |
| Q1 2018 | $6,255,000 | +15.3% | 93,025 | +1.6% | 3.65% | +2.3% |
| Q4 2017 | $5,423,000 | – | 91,585 | – | 3.57% | – |
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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% |