APTOSE BIOSCIENCES INC's ticker is and the CUSIP is 03835T200. A total of 72 filers reported holding APTOSE BIOSCIENCES INC in Q4 2020. The put-call ratio across all filers is 0.25 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2021 | $35,000 | -93.6% | 10,400 | -88.7% | 0.02% | -93.8% |
| Q1 2021 | $550,000 | +97.8% | 92,130 | +45.4% | 0.37% | +93.3% |
| Q4 2020 | $278,000 | -47.4% | 63,380 | -28.2% | 0.19% | -55.8% |
| Q3 2020 | $529,000 | +65.8% | 88,250 | +74.6% | 0.44% | +45.2% |
| Q2 2020 | $319,000 | +222.2% | 50,550 | +188.9% | 0.30% | +285.9% |
| Q1 2020 | $99,000 | 0.0% | 17,500 | 0.0% | 0.08% | 0.0% |
| Q4 2019 | $99,000 | – | 17,500 | – | 0.08% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| P.A.W. CAPITAL CORP | 750,000 | $1,635,000 | 1.46% |
| DRW Securities, LLC | 8,892,437 | $19,386,000 | 0.84% |
| First Light Asset Management, LLC | 4,128,443 | $9,000,000 | 0.59% |
| SANDERS MORRIS HARRIS LLC | 1,373,794 | $3,084,000 | 0.56% |
| Nantahala Capital Management | 7,355,730 | $16,035,000 | 0.50% |
| Cormorant Asset Management, LP | 3,000,000 | $6,540,000 | 0.27% |
| 683 Capital Management, LLC | 3,112,737 | $6,786,000 | 0.26% |
| Opaleye Management Inc. | 549,000 | $1,197,000 | 0.22% |
| Prosight Management, LP | 70,563 | $154,000 | 0.08% |
| CARLSON CAPITAL L P | 720,408 | $1,570,000 | 0.08% |