PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 146 filers reported holding PROTHENA CORP PLC in Q4 2016. The put-call ratio across all filers is 1.16 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2018 | $1,133,000 | -3.6% | 30,850 | -1.6% | 0.11% | -8.9% |
| Q4 2017 | $1,175,000 | -51.5% | 31,350 | -16.2% | 0.12% | -51.4% |
| Q3 2017 | $2,422,000 | +9.1% | 37,400 | -8.8% | 0.25% | -3.4% |
| Q2 2017 | $2,219,000 | -3.0% | 41,000 | 0.0% | 0.26% | -14.1% |
| Q1 2017 | $2,287,000 | +13.4% | 41,000 | 0.0% | 0.30% | -26.2% |
| Q4 2016 | $2,017,000 | -18.0% | 41,000 | 0.0% | 0.41% | -7.0% |
| Q3 2016 | $2,459,000 | +126.8% | 41,000 | +32.3% | 0.44% | +117.6% |
| Q2 2016 | $1,084,000 | -15.0% | 31,000 | 0.0% | 0.20% | -12.1% |
| Q1 2016 | $1,276,000 | – | 31,000 | – | 0.23% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| EcoR1 Capital, LLC | 11,584,280 | $558,941,510 | 18.85% |
| Finepoint Capital LP | 349,300 | $16,853,725 | 8.39% |
| Palo Alto Investors LP | 1,657,458 | $79,972,349 | 7.57% |
| Birchview Capital, LP | 169,574 | $8,181,946 | 6.96% |
| First Light Asset Management, LLC | 1,494,039 | $72,087,382 | 6.85% |
| DCF Advisers, LLC | 82,950 | $4,002,338 | 2.18% |
| Prosight Management, LP | 126,202 | $6,089,247 | 1.93% |
| PFM Health Sciences, LP | 836,571 | $40,364,551 | 1.90% |
| SECTORAL ASSET MANAGEMENT INC | 172,407 | $8,318,638 | 1.62% |
| Boxer Capital, LLC | 625,000 | $30,156,250 | 1.60% |