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 | ||||
|---|---|---|---|---|---|---|
| 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 | $46,637,000 | 6.29% |
| NEA Management Company, LLC | 3,556,778 | $43,606,000 | 1.73% |
| Opaleye Management Inc. | 150,000 | $1,839,000 | 1.08% |
| Rock Springs Capital Management LP | 450,000 | $5,517,000 | 0.37% |
| Hillhouse Capital Management | 865,923 | $10,616,000 | 0.24% |
| Eventide Asset Management | 220,000 | $2,697,000 | 0.18% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 186,000 | $2,280,000 | 0.09% |
| Virtus ETF Advisers LLC | 24,169 | $296,000 | 0.09% |
| TFS CAPITAL LLC | 20,078 | $246,000 | 0.07% |
| Trexquant Investment LP | 19,600 | $240,000 | 0.04% |