PROTEOSTASIS THERAPEUTICS IN's ticker is PTI and the CUSIP is 74373B109. A total of 90 filers reported holding PROTEOSTASIS THERAPEUTICS IN in Q4 2018. The put-call ratio across all filers is 0.75 and the average weighting 0.1%.
Quarter-by-quarter ownership
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Cormorant Asset Management, LP | 2,350,000 | $36,636,000 | 4.04% |
| EcoR1 Capital, LLC | 602,315 | $9,390,000 | 2.88% |
| NEA Management Company, LLC | 3,556,778 | $55,450,000 | 2.49% |
| Opaleye Management Inc. | 152,000 | $2,370,000 | 1.24% |
| Avoro Capital Advisors LLC | 179,565 | $2,799,000 | 0.49% |
| Monashee Investment Management LLC | 85,000 | $1,325,000 | 0.47% |
| Rock Springs Capital Management LP | 450,000 | $7,016,000 | 0.44% |
| Perceptive Advisors | 344,550 | $5,372,000 | 0.35% |
| Hillhouse Capital Management | 763,790 | $11,907,000 | 0.24% |
| Eventide Asset Management | 220,000 | $3,430,000 | 0.21% |