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 | $445,000 | +509.6% | 404,398 | +663.5% | 0.00% | – |
| Q2 2020 | $73,000 | -24.0% | 52,966 | -37.3% | 0.00% | – |
| Q1 2020 | $96,000 | +29.7% | 84,536 | -3.7% | 0.00% | – |
| Q3 2019 | $74,000 | -73.1% | 87,787 | -68.9% | 0.00% | – |
| Q2 2019 | $275,000 | -72.1% | 282,216 | -63.9% | 0.00% | -100.0% |
| Q1 2019 | $984,000 | -51.6% | 780,916 | +24.4% | 0.00% | -66.7% |
| Q4 2018 | $2,034,000 | +101.2% | 627,915 | +194.9% | 0.00% | +200.0% |
| Q1 2018 | $1,011,000 | -81.8% | 212,891 | -77.7% | 0.00% | -87.5% |
| Q4 2017 | $5,559,000 | +1382.4% | 953,513 | +434.2% | 0.01% | +700.0% |
| Q3 2017 | $375,000 | -30.2% | 178,494 | +55.5% | 0.00% | 0.0% |
| Q2 2017 | $537,000 | -42.2% | 114,752 | -3.4% | 0.00% | -50.0% |
| Q1 2017 | $929,000 | -73.8% | 118,738 | -58.9% | 0.00% | -71.4% |
| Q4 2016 | $3,543,000 | +17.8% | 289,002 | +49.8% | 0.01% | +40.0% |
| Q3 2016 | $3,007,000 | +977.8% | 192,900 | +738.2% | 0.01% | +400.0% |
| Q2 2016 | $279,000 | +181.8% | 23,013 | +123.7% | 0.00% | – |
| Q1 2016 | $99,000 | – | 10,287 | – | 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% |