PROTEOSTASIS THERAPEUTICS IN's ticker is PTI and the CUSIP is 74373B109. A total of 56 filers reported holding PROTEOSTASIS THERAPEUTICS IN in Q4 2016. The put-call ratio across all filers is - and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2018 | $524,000 | -63.1% | 110,400 | -54.6% | 0.00% | -100.0% |
| Q4 2017 | $1,419,000 | +177.7% | 243,400 | 0.0% | 0.00% | – |
| Q3 2017 | $511,000 | -55.1% | 243,400 | 0.0% | 0.00% | -100.0% |
| Q2 2017 | $1,139,000 | -40.1% | 243,400 | 0.0% | 0.00% | 0.0% |
| Q1 2017 | $1,903,000 | -51.9% | 243,400 | -24.5% | 0.00% | -50.0% |
| Q4 2016 | $3,953,000 | -59.4% | 322,400 | -48.4% | 0.00% | -60.0% |
| Q3 2016 | $9,744,000 | +28.5% | 625,000 | 0.0% | 0.01% | +25.0% |
| Q2 2016 | $7,581,000 | – | 625,000 | – | 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% |