PROTEOSTASIS THERAPEUTICS IN's ticker is PTI and the CUSIP is 74373B109. A total of 53 filers reported holding PROTEOSTASIS THERAPEUTICS IN in Q1 2018. The put-call ratio across all filers is 0.81 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2019 | $8,000 | -97.2% | 9,864 | -95.7% | 0.00% | – |
| Q1 2019 | $284,000 | -72.7% | 227,041 | -29.3% | 0.00% | -100.0% |
| Q4 2018 | $1,040,000 | +296.9% | 321,121 | +194.2% | 0.00% | – |
| Q3 2018 | $262,000 | -4.7% | 109,158 | +10.1% | 0.00% | – |
| Q2 2018 | $275,000 | – | 99,174 | +495770.0% | 0.00% | – |
| Q1 2018 | $0 | – | 20 | 0.0% | 0.00% | – |
| Q4 2017 | $0 | -100.0% | 20 | -100.0% | 0.00% | – |
| Q3 2017 | $265,000 | – | 126,307 | +631435.0% | 0.00% | – |
| Q2 2017 | $0 | -100.0% | 20 | -99.4% | 0.00% | – |
| Q1 2017 | $25,000 | -57.6% | 3,280 | -33.7% | 0.00% | – |
| Q4 2016 | $59,000 | -25.3% | 4,945 | -3.8% | 0.00% | – |
| Q3 2016 | $79,000 | -58.4% | 5,142 | -67.5% | 0.00% | – |
| Q2 2016 | $190,000 | +555.2% | 15,820 | +423.5% | 0.00% | – |
| Q1 2016 | $29,000 | – | 3,022 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
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