APTOSE BIOSCIENCES INC's ticker is and the CUSIP is 03835T200. A total of 77 filers reported holding APTOSE BIOSCIENCES INC in Q1 2021. The put-call ratio across all filers is 0.45 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $472,000 | -17.0% | 349,288 | +33.9% | 0.00% | 0.0% |
| Q3 2021 | $569,000 | +16.4% | 260,836 | +77.0% | 0.00% | 0.0% |
| Q2 2021 | $489,000 | -57.8% | 147,380 | -24.0% | 0.00% | -60.0% |
| Q1 2021 | $1,158,000 | +46.8% | 193,872 | +7.6% | 0.01% | +66.7% |
| Q4 2020 | $789,000 | +38.7% | 180,203 | +90.2% | 0.00% | +50.0% |
| Q3 2020 | $569,000 | -54.3% | 94,766 | -56.9% | 0.00% | -50.0% |
| Q4 2019 | $1,246,000 | -62.9% | 219,728 | -86.3% | 0.00% | -66.7% |
| Q3 2019 | $3,356,000 | -13.2% | 1,609,424 | +8.6% | 0.01% | -14.3% |
| Q2 2019 | $3,867,000 | – | 1,481,588 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Corriente Advisors, LLC | 2,900,000 | $12,702,000 | 3.02% |
| P.A.W. CAPITAL CORP | 750,000 | $3,285,000 | 2.90% |
| Prosight Management, LP | 824,795 | $3,613,000 | 1.67% |
| Voss Capital, LLC | 715,000 | $3,132,000 | 1.58% |
| DRW Securities, LLC | 7,976,176 | $34,936,000 | 1.23% |
| Ally Bridge Group (NY) LLC | 1,409,150 | $6,172,000 | 1.06% |
| Nantahala Capital Management | 7,272,673 | $31,854,000 | 0.99% |
| SANDERS MORRIS HARRIS LLC | 925,153 | $4,231,000 | 0.96% |
| PRECEPT MANAGEMENT LLC | 440,696 | $1,930,000 | 0.78% |
| Endurant Capital Management LP | 477,895 | $2,093,000 | 0.76% |