PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 175 filers reported holding PROTHENA CORP PLC in Q1 2022. The put-call ratio across all filers is 0.32 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $30,156,250 | +147118.6% | 625,000 | +108.3% | 1.60% | +68.9% |
| Q2 2023 | $20,484 | +40.9% | 300,000 | 0.0% | 0.95% | +33.1% |
| Q1 2023 | $14,541 | -99.9% | 300,000 | 0.0% | 0.71% | -25.1% |
| Q4 2022 | $18,075,000 | -0.6% | 300,000 | 0.0% | 0.95% | -6.8% |
| Q3 2022 | $18,189,000 | +123.3% | 300,000 | 0.0% | 1.02% | +98.3% |
| Q2 2022 | $8,145,000 | -25.8% | 300,000 | 0.0% | 0.52% | -8.5% |
| Q1 2022 | $10,971,000 | -26.0% | 300,000 | 0.0% | 0.56% | -2.1% |
| Q4 2021 | $14,820,000 | -30.6% | 300,000 | 0.0% | 0.58% | -22.8% |
| Q3 2021 | $21,369,000 | +3324.5% | 300,000 | +276.9% | 0.75% | +1557.8% |
| Q3 2019 | $624,000 | – | 79,598 | – | 0.04% | – |
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% |