PROTEOSTASIS THERAPEUTICS IN's ticker is PTI and the CUSIP is 74373B109. A total of 51 filers reported holding PROTEOSTASIS THERAPEUTICS IN in Q2 2020. The put-call ratio across all filers is 2.01 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2020 | $0 | -100.0% | 34 | -99.4% | 0.00% | – |
| Q4 2019 | $13,000 | +333.3% | 5,493 | +42.0% | 0.00% | – |
| Q3 2019 | $3,000 | -40.0% | 3,867 | -25.1% | 0.00% | – |
| Q2 2019 | $5,000 | -61.5% | 5,165 | -47.6% | 0.00% | – |
| Q1 2019 | $13,000 | -51.9% | 9,853 | +22.4% | 0.00% | – |
| Q4 2018 | $27,000 | +58.8% | 8,048 | +14.5% | 0.00% | – |
| Q3 2018 | $17,000 | +54.5% | 7,029 | +81.9% | 0.00% | – |
| Q2 2018 | $11,000 | – | 3,864 | +386300.0% | 0.00% | – |
| Q2 2017 | $0 | -100.0% | 1 | -99.4% | 0.00% | – |
| Q1 2017 | $1,000 | -99.0% | 159 | -98.0% | 0.00% | – |
| Q4 2016 | $99,000 | +890.0% | 8,046 | +1128.4% | 0.00% | – |
| Q3 2016 | $10,000 | +25.0% | 655 | +2.8% | 0.00% | – |
| Q2 2016 | $8,000 | – | 637 | +12640.0% | 0.00% | – |
| Q1 2016 | $0 | – | 5 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|