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 | ||||
|---|---|---|---|---|---|---|
| Q1 2019 | $65,000 | -60.8% | 51,198 | 0.0% | 0.00% | – |
| Q4 2018 | $166,000 | -3.5% | 51,198 | -28.4% | 0.00% | – |
| Q3 2018 | $172,000 | +72.0% | 71,518 | +100.0% | 0.00% | – |
| Q2 2018 | $100,000 | -20.0% | 35,759 | +123.4% | 0.00% | – |
| Q1 2017 | $125,000 | -19.4% | 16,007 | +26.9% | 0.00% | – |
| Q4 2016 | $155,000 | -4.3% | 12,617 | +21.4% | 0.00% | – |
| Q3 2016 | $162,000 | +28.6% | 10,394 | 0.0% | 0.00% | – |
| Q2 2016 | $126,000 | – | 10,394 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Cormorant Asset Management, LP | 3,804,027 | $17,803,000 | 2.95% |
| HARBOURVEST PARTNERS LLC | 440,627 | $2,062,000 | 0.89% |
| NEA Management Company, LLC | 3,556,778 | $16,646,000 | 0.61% |
| Rock Springs Capital Management LP | 450,000 | $2,106,000 | 0.11% |
| Bain Capital Public Equity Management, LLC | 263,498 | $1,233,000 | 0.07% |
| ELEMENT CAPITAL MANAGEMENT LLC | 65,973 | $309,000 | 0.06% |
| Hillhouse Capital Management | 865,923 | $4,053,000 | 0.06% |
| SABBY MANAGEMENT, LLC | 125,151 | $586,000 | 0.04% |
| Marshall Wace North America L.P. | 684,124 | $3,421,000 | 0.02% |
| FNY Partners Fund LP | 20,127 | $94,000 | 0.02% |