PROTEOSTASIS THERAPEUTICS IN's ticker is PTI and the CUSIP is 74373B109. A total of 42 filers reported holding PROTEOSTASIS THERAPEUTICS IN in Q3 2020. The put-call ratio across all filers is 1.44 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2020 | $297,000 | -32.2% | 270,000 | -15.6% | 0.01% | -22.2% |
| Q2 2020 | $438,000 | +219.7% | 320,000 | +166.7% | 0.01% | +200.0% |
| Q1 2020 | $137,000 | -50.0% | 120,000 | 0.0% | 0.00% | -25.0% |
| Q4 2019 | $274,000 | +171.3% | 120,000 | 0.0% | 0.00% | +300.0% |
| Q3 2019 | $101,000 | 0.0% | 120,000 | +50.0% | 0.00% | 0.0% |
| Q1 2019 | $101,000 | -61.0% | 80,000 | 0.0% | 0.00% | -66.7% |
| Q4 2018 | $259,000 | -22.7% | 80,000 | -42.4% | 0.00% | 0.0% |
| Q3 2018 | $335,000 | -13.4% | 138,845 | 0.0% | 0.00% | -25.0% |
| Q2 2018 | $387,000 | -41.4% | 138,845 | 0.0% | 0.00% | -42.9% |
| Q1 2018 | $660,000 | -18.8% | 138,845 | -0.5% | 0.01% | -22.2% |
| Q4 2017 | $813,000 | +253.5% | 139,500 | +27.4% | 0.01% | +200.0% |
| Q3 2017 | $230,000 | -17.3% | 109,500 | +84.0% | 0.00% | 0.0% |
| Q2 2017 | $278,000 | – | 59,500 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|