PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 140 filers reported holding PROTHENA CORP PLC in Q4 2020. The put-call ratio across all filers is 0.56 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2022 | $1,598,000 | +43.2% | 26,366 | -35.8% | 1.59% | +57.8% |
| Q2 2022 | $1,116,000 | -26.9% | 41,092 | -1.5% | 1.01% | -3.3% |
| Q1 2022 | $1,526,000 | -16.8% | 41,735 | +12.5% | 1.04% | -13.4% |
| Q4 2021 | $1,834,000 | +3.6% | 37,112 | +49.4% | 1.20% | +6.9% |
| Q3 2021 | $1,770,000 | +7.3% | 24,849 | -22.6% | 1.13% | +6.8% |
| Q2 2021 | $1,650,000 | +42.2% | 32,104 | -30.5% | 1.05% | +34.1% |
| Q1 2021 | $1,160,000 | +24.1% | 46,188 | -40.6% | 0.79% | +26.4% |
| Q4 2020 | $935,000 | – | 77,813 | – | 0.62% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| EcoR1 Capital, LLC | 11,284,280 | $557,443,000 | 17.76% |
| Prosight Management, LP | 441,000 | $21,785,000 | 13.04% |
| First Light Asset Management, LLC | 1,622,941 | $80,173,000 | 5.74% |
| Palo Alto Investors LP | 1,685,282 | $83,253,000 | 5.32% |
| Birchview Capital, LP | 40,247 | $1,988,000 | 1.28% |
| DCF Advisers, LLC | 60,000 | $2,964,000 | 1.20% |
| HighVista Strategies LLC | 28,078 | $1,387,000 | 1.10% |
| APOGEM CAPITAL LLC | 33,212 | $1,641,000 | 1.08% |
| Redmile Group, LLC | 765,675 | $37,824,000 | 0.86% |
| Rock Springs Capital Management LP | 647,730 | $31,998,000 | 0.74% |