PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 188 filers reported holding PROTHENA CORP PLC in Q3 2022. The put-call ratio across all filers is 0.81 and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2024 | $130,404 | -49.2% | 6,318 | -39.0% | 0.02% | -45.5% |
| Q1 2024 | $256,617 | +13.8% | 10,360 | +67.0% | 0.03% | -25.0% |
| Q4 2023 | $225,417 | +239.8% | 6,203 | +351.1% | 0.04% | +131.6% |
| Q3 2023 | $66,344 | +40.6% | 1,375 | +99.0% | 0.02% | +26.7% |
| Q2 2023 | $47,181 | +36.7% | 691 | -2.9% | 0.02% | +25.0% |
| Q1 2023 | $34,511 | +16.7% | 712 | +45.0% | 0.01% | 0.0% |
| Q4 2022 | $29,583 | +9.6% | 491 | +11.8% | 0.01% | +9.1% |
| Q3 2022 | $27,000 | – | 439 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| EcoR1 Capital, LLC | 11,284,280 | $580,125,000 | 21.68% |
| Prosight Management, LP | 422,000 | $21,695,000 | 13.57% |
| First Light Asset Management, LLC | 1,927,829 | $99,110,000 | 5.95% |
| Palo Alto Investors LP | 1,731,482 | $89,015,000 | 4.90% |
| DCF Advisers, LLC | 61,750 | $3,175,000 | 1.12% |
| APOGEM CAPITAL LLC | 32,104 | $1,650,000 | 1.05% |
| EAM Global Investors LLC | 70,255 | $3,612,000 | 1.00% |
| Rock Springs Capital Management LP | 950,091 | $48,844,000 | 0.96% |
| Atika Capital Management LLC | 234,000 | $12,030,000 | 0.95% |
| Birchview Capital, LP | 30,247 | $1,555,000 | 0.93% |