PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 187 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 | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $552 | +75.8% | 11,459 | +76.7% | 0.01% | +50.0% |
| Q1 2023 | $314 | -100.0% | 6,485 | -47.5% | 0.00% | -50.0% |
| Q3 2022 | $749,000 | +270.8% | 12,363 | -26.6% | 0.01% | +100.0% |
| Q4 2020 | $202,000 | -40.2% | 16,845 | -50.3% | 0.00% | -60.0% |
| Q3 2020 | $338,000 | +55.8% | 33,877 | +146.7% | 0.01% | +11.1% |
| Q4 2019 | $217,000 | +178.2% | 13,732 | +37.1% | 0.01% | +125.0% |
| Q3 2019 | $78,000 | – | 10,014 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Woodford Investment Management Ltd | 5,527,525 | $291,135,000 | 22.33% |
| Independence Capital Asset Partners, LLC | 20,530 | $1,081,000 | 1.68% |
| TURNER INVESTMENTS LLC | 173,820 | $9,155,000 | 1.68% |
| Palo Alto Investors LP | 695,918 | $36,654,000 | 1.63% |
| Rock Springs Capital Management LP | 250,000 | $13,168,000 | 0.96% |
| Visium Asset Management, LP | 996,887 | $52,506,000 | 0.74% |
| EAM Investors, LLC | 117,809 | $6,205,000 | 0.73% |
| SPHERA FUNDS MANAGEMENT LTD. | 115,133 | $6,064,000 | 0.59% |
| WESTFIELD CAPITAL MANAGEMENT CO LP | 1,392,850 | $73,361,000 | 0.45% |
| MARINER INVESTMENT GROUP LLC | 23,600 | $1,243,000 | 0.32% |