PROTEOSTASIS THERAPEUTICS IN's ticker is PTI and the CUSIP is 74373B109. A total of 56 filers reported holding PROTEOSTASIS THERAPEUTICS IN in Q4 2016. The put-call ratio across all filers is - and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2018 | $37,000 | -98.2% | 11,093 | +1393.0% | 0.00% | – |
| Q2 2018 | $2,074,000 | +103600.0% | 743 | +64.7% | 0.00% | – |
| Q1 2018 | $2,000 | -60.0% | 451 | -51.6% | 0.00% | – |
| Q4 2017 | $5,000 | +66.7% | 932 | -42.6% | 0.00% | – |
| Q3 2017 | $3,000 | +50.0% | 1,624 | +269.1% | 0.00% | – |
| Q2 2017 | $2,000 | – | 440 | +730.2% | 0.00% | – |
| Q1 2017 | $0 | – | 53 | +82.8% | 0.00% | – |
| Q4 2016 | $0 | – | 29 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|