PROTEOSTASIS THERAPEUTICS IN's ticker is PTI and the CUSIP is 74373B109. A total of 53 filers reported holding PROTEOSTASIS THERAPEUTICS IN in Q1 2018. The put-call ratio across all filers is 0.81 and the average weighting 0.1%.
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 | 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% |