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 | ||||
|---|---|---|---|---|---|---|
| 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 ↓ |
|---|---|---|---|
| VHCP Management III, LLC | 848,610 | $2,749,000 | 2.00% |
| GREAT POINT PARTNERS LLC | 3,045,423 | $9,867,000 | 1.25% |
| NEA Management Company, LLC | 5,556,778 | $18,004,000 | 0.71% |
| VHCP Management II, LLC | 501,390 | $1,625,000 | 0.70% |
| SECTORAL ASSET MANAGEMENT INC | 1,581,728 | $5,125,000 | 0.70% |
| HARBOURVEST PARTNERS LLC | 440,627 | $1,428,000 | 0.68% |
| EAM Investors, LLC | 596,871 | $1,934,000 | 0.52% |
| EAM Global Investors LLC | 252,778 | $819,000 | 0.45% |
| Avoro Capital Advisors LLC | 1,300,000 | $4,212,000 | 0.25% |
| Ghost Tree Capital, LLC | 190,000 | $616,000 | 0.22% |