PROTEOSTASIS THERAPEUTICS IN's ticker is PTI and the CUSIP is 74373B109. A total of 90 filers reported holding PROTEOSTASIS THERAPEUTICS IN in Q4 2018. The put-call ratio across all filers is 0.75 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2019 | $39,000 | -91.9% | 30,900 | -84.5% | 0.02% | -69.4% |
| Q3 2018 | $482,000 | +37.7% | 199,900 | +233.2% | 0.06% | +93.8% |
| Q4 2017 | $350,000 | +11.1% | 60,000 | -60.0% | 0.03% | +52.4% |
| Q3 2017 | $315,000 | -46.2% | 150,151 | +20.0% | 0.02% | -44.7% |
| Q2 2017 | $586,000 | +25.5% | 125,151 | +109.6% | 0.04% | +52.0% |
| Q1 2017 | $467,000 | – | 59,700 | – | 0.02% | – |
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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% |