PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 193 filers reported holding PROTHENA CORP PLC in Q3 2021. The put-call ratio across all filers is 0.62 and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $3,045,395 | +88.7% | 63,117 | +167.1% | 0.12% | +90.2% |
| Q2 2023 | $1,613,525 | +1.0% | 23,631 | -28.3% | 0.06% | -7.6% |
| Q1 2023 | $1,598,104 | -17.1% | 32,971 | -15.5% | 0.07% | -45.5% |
| Q4 2021 | $1,927,000 | -2.7% | 39,000 | +40.3% | 0.12% | -15.4% |
| Q3 2021 | $1,980,000 | +1228.9% | 27,800 | +124.2% | 0.14% | +472.0% |
| Q4 2020 | $149,000 | – | 12,400 | – | 0.02% | – |
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% |