SOPHIRIS BIO INC's ticker is and the CUSIP is 83578Q959. A total of 3 filers reported holding SOPHIRIS BIO INC in Q4 2018. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2018 | $7,000 | -92.2% | 8,500 | -73.8% | 0.00% | -100.0% |
| Q3 2018 | $90,000 | +100.0% | 32,400 | +102.5% | 0.00% | – |
| Q2 2018 | $45,000 | +400.0% | 16,000 | +255.6% | 0.00% | – |
| Q1 2018 | $9,000 | +12.5% | 4,500 | +28.6% | 0.00% | – |
| Q4 2017 | $8,000 | -74.2% | 3,500 | -75.9% | 0.00% | – |
| Q3 2017 | $31,000 | -72.6% | 14,500 | -71.8% | 0.00% | -100.0% |
| Q2 2017 | $113,000 | -2.6% | 51,500 | +25.6% | 0.00% | 0.0% |
| Q1 2017 | $116,000 | +5700.0% | 41,000 | +5757.1% | 0.00% | – |
| Q4 2016 | $2,000 | – | 700 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 8,500 | $7,000 | 0.00% |
| SIMPLEX TRADING, LLC | 3 | $0 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |