PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 195 filers reported holding PROTHENA CORP PLC in Q4 2023. The put-call ratio across all filers is 0.73 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2024 | $883,392 | +27.6% | 42,800 | +53.1% | 0.02% | -5.3% |
| Q1 2024 | $692,346 | +195.1% | 27,951 | +332.9% | 0.02% | +137.5% |
| Q4 2023 | $234,647 | -92.3% | 6,457 | -89.8% | 0.01% | -93.1% |
| 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% | – |
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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% |