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 | ||||
|---|---|---|---|---|---|---|
| Q3 2018 | $21,000 | -76.4% | 375 | -72.7% | 0.05% | -78.3% |
| Q2 2018 | $89,000 | +6.0% | 1,375 | +10.0% | 0.21% | -4.1% |
| Q1 2018 | $84,000 | +281.8% | 1,250 | +150.0% | 0.22% | +612.9% |
| Q4 2015 | $22,000 | +10.0% | 500 | 0.0% | 0.03% | +10.7% |
| Q3 2015 | $20,000 | -4.8% | 500 | 0.0% | 0.03% | +16.7% |
| Q2 2015 | $21,000 | +425.0% | 500 | +300.0% | 0.02% | +380.0% |
| Q1 2015 | $4,000 | – | 125 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Greenwich Wealth Management LLC | 7,518,444 | $494,187,000 | 42.17% |
| Teton Capital Partners | 1,735,593 | $114,081,000 | 10.66% |
| Owls Nest Partners IA, LLC | 272,800 | $17,931,000 | 8.26% |
| Oakcliff Capital Partners, LP | 261,847 | $17,211,000 | 7.41% |
| Bares Capital Management | 5,097,799 | $335,078,000 | 5.96% |
| BROOKTREE CAPITAL MANAGEMENT | 136,800 | $8,992,000 | 5.77% |
| THUNDERBIRD PARTNERS LLP | 889,268 | $58,452,000 | 5.24% |
| Bronte Capital Management Pty Ltd. | 852,162 | $56,013,000 | 3.99% |
| Soviero Asset Management, LP | 500,000 | $32,865,000 | 2.90% |
| Yarra Square Partners LP | 500,000 | $32,865,000 | 2.63% |