PROTEOSTASIS THERAPEUTICS IN's ticker is PTI and the CUSIP is 74373B109. A total of 60 filers reported holding PROTEOSTASIS THERAPEUTICS IN in Q2 2019. The put-call ratio across all filers is 20.98 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2019 | $292,000 | -84.6% | 231,418 | -42.1% | 0.03% | -79.7% |
| Q1 2018 | $1,900,000 | -80.3% | 399,947 | -75.9% | 0.14% | -60.6% |
| Q4 2017 | $9,666,000 | +1148.8% | 1,657,832 | +349.8% | 0.35% | +614.3% |
| Q3 2017 | $774,000 | -37.2% | 368,590 | +39.9% | 0.05% | -33.8% |
| Q2 2017 | $1,233,000 | – | 263,498 | – | 0.07% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
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