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 | $6,000 | -62.5% | 4,823 | 0.0% | 0.00% | – |
| Q4 2018 | $16,000 | +33.3% | 4,823 | 0.0% | 0.00% | – |
| Q3 2018 | $12,000 | -99.7% | 4,823 | -99.4% | 0.00% | – |
| Q1 2018 | $3,805,000 | -23.9% | 800,967 | -6.6% | 0.00% | -100.0% |
| Q4 2017 | $4,999,000 | +177.3% | 857,500 | -0.1% | 0.00% | – |
| Q3 2017 | $1,803,000 | -86.9% | 858,340 | -70.9% | 0.00% | -100.0% |
| Q2 2017 | $13,782,000 | -38.8% | 2,944,915 | +2.3% | 0.00% | -33.3% |
| Q1 2017 | $22,513,000 | -16.8% | 2,878,804 | +30.4% | 0.00% | -25.0% |
| Q4 2016 | $27,056,000 | -25.0% | 2,206,868 | -4.6% | 0.00% | -20.0% |
| Q3 2016 | $36,083,000 | +58.4% | 2,314,468 | +23.3% | 0.01% | +66.7% |
| Q2 2016 | $22,778,000 | +25.8% | 1,877,812 | 0.0% | 0.00% | 0.0% |
| Q1 2016 | $18,102,000 | – | 1,877,812 | – | 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% |