PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 190 filers reported holding PROTHENA CORP PLC in Q3 2023. The put-call ratio across all filers is 1.91 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $443,659 | +1.4% | 9,195 | +43.5% | 0.20% | +2.5% |
| Q2 2023 | $437,402 | -38.1% | 6,406 | -56.0% | 0.20% | -65.2% |
| Q1 2023 | $706,305 | -19.6% | 14,572 | 0.0% | 0.58% | +10.4% |
| Q4 2022 | $877,963 | +85.2% | 14,572 | +12.5% | 0.52% | +73.1% |
| Q1 2022 | $474,000 | -65.8% | 12,953 | -53.9% | 0.30% | -72.7% |
| Q4 2021 | $1,387,000 | +212.4% | 28,078 | -36.8% | 1.10% | +240.7% |
| Q3 2020 | $444,000 | – | 44,414 | – | 0.32% | – |
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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% |