PROTEOSTASIS THERAPEUTICS IN's ticker is PTI and the CUSIP is 74373B109. A total of 87 filers reported holding PROTEOSTASIS THERAPEUTICS IN in Q1 2019. The put-call ratio across all filers is 0.50 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2019 | $1,000 | -83.3% | 324 | -95.4% | 0.00% | – |
| Q3 2019 | $6,000 | 0.0% | 6,999 | +9.0% | 0.00% | – |
| Q2 2019 | $6,000 | -98.4% | 6,419 | -97.9% | 0.00% | – |
| Q1 2019 | $380,000 | +239.3% | 301,269 | +775.8% | 0.00% | – |
| Q4 2018 | $112,000 | +187.2% | 34,398 | +113.3% | 0.00% | – |
| Q3 2018 | $39,000 | -2.5% | 16,127 | +11.6% | 0.00% | – |
| Q2 2018 | $40,000 | -84.7% | 14,452 | -73.7% | 0.00% | – |
| Q1 2018 | $261,000 | +2075.0% | 54,957 | +2396.9% | 0.00% | – |
| Q4 2017 | $12,000 | -85.7% | 2,201 | -87.7% | 0.00% | – |
| Q2 2017 | $84,000 | -45.1% | 17,861 | -8.7% | 0.00% | – |
| Q1 2017 | $153,000 | +7550.0% | 19,564 | +10036.8% | 0.00% | – |
| Q4 2016 | $2,000 | -86.7% | 193 | -79.4% | 0.00% | – |
| Q3 2016 | $15,000 | – | 939 | – | 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% |