APTOSE BIOSCIENCES INC's ticker is and the CUSIP is 03835T950. A total of 3 filers reported holding APTOSE BIOSCIENCES INC in Q3 2021. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2022 | $0 | -100.0% | 100 | -96.3% | 0.00% | – |
| Q4 2021 | $4,000 | -42.9% | 2,700 | -20.6% | 0.00% | – |
| Q3 2021 | $7,000 | -89.1% | 3,400 | -82.3% | 0.00% | – |
| Q2 2021 | $64,000 | -69.5% | 19,200 | -45.5% | 0.00% | – |
| Q1 2021 | $210,000 | +400.0% | 35,200 | +270.5% | 0.00% | – |
| Q4 2020 | $42,000 | +2000.0% | 9,500 | +2275.0% | 0.00% | – |
| Q3 2020 | $2,000 | -91.3% | 400 | -88.9% | 0.00% | – |
| Q2 2020 | $23,000 | -68.5% | 3,600 | -70.7% | 0.00% | -100.0% |
| Q1 2020 | $73,000 | +630.0% | 12,300 | +146.0% | 0.00% | – |
| Q3 2019 | $10,000 | – | 5,000 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |
| GROUP ONE TRADING, L.P. | 3,400 | $7,000 | 0.00% |
| SIMPLEX TRADING, LLC | 15,800 | $53,000 | 0.00% |