PROTEOSTASIS THERAPEUTICS IN's ticker is PTI and the CUSIP is 74373B109. A total of 54 filers reported holding PROTEOSTASIS THERAPEUTICS IN in Q4 2017. The put-call ratio across all filers is - and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2020 | $37,000 | +146.7% | 33,391 | +197.5% | 0.00% | -100.0% |
| Q2 2020 | $15,000 | -28.6% | 11,224 | +21.7% | 0.00% | -50.0% |
| Q4 2019 | $21,000 | +200.0% | 9,222 | +35.6% | 0.00% | – |
| Q2 2019 | $7,000 | -22.2% | 6,800 | -3.5% | 0.00% | -100.0% |
| Q1 2019 | $9,000 | -52.6% | 7,047 | +21.2% | 0.00% | 0.0% |
| Q4 2018 | $19,000 | -42.4% | 5,814 | -57.6% | 0.00% | -50.0% |
| Q3 2018 | $33,000 | +3200.0% | 13,697 | +6748.5% | 0.00% | – |
| Q2 2018 | $1,000 | -99.2% | 200 | -99.1% | 0.00% | -100.0% |
| Q4 2017 | $130,000 | +400.0% | 22,221 | +83.4% | 0.02% | +750.0% |
| Q3 2017 | $26,000 | -25.7% | 12,117 | +61.4% | 0.00% | -50.0% |
| Q2 2017 | $35,000 | +288.9% | 7,509 | +585.8% | 0.00% | +300.0% |
| Q1 2017 | $9,000 | +350.0% | 1,095 | +601.9% | 0.00% | – |
| Q4 2016 | $2,000 | -96.8% | 156 | -96.2% | 0.00% | -100.0% |
| Q3 2016 | $63,000 | +215.0% | 4,055 | +147.9% | 0.01% | +200.0% |
| Q2 2016 | $20,000 | +185.7% | 1,636 | +139.5% | 0.00% | +100.0% |
| Q1 2016 | $7,000 | – | 683 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|