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 | $214,218 | +0.7% | 4,440 | +42.4% | 0.00% | – |
| Q2 2023 | $212,800 | +435.5% | 3,117 | +280.1% | 0.00% | – |
| Q1 2023 | $39,735 | -51.0% | 820 | -39.3% | 0.00% | – |
| Q4 2022 | $81,121 | +11.1% | 1,351 | +10.3% | 0.00% | – |
| Q3 2022 | $73,000 | +121.2% | 1,225 | -1.1% | 0.00% | – |
| Q2 2022 | $33,000 | -75.4% | 1,239 | +292.1% | 0.00% | – |
| Q1 2022 | $134,000 | +605.3% | 316 | -14.6% | 0.00% | – |
| Q4 2021 | $19,000 | -81.2% | 370 | -74.3% | 0.00% | – |
| Q3 2021 | $101,000 | +1583.3% | 1,438 | +1129.1% | 0.00% | – |
| Q2 2021 | $6,000 | +100.0% | 117 | -25.0% | 0.00% | – |
| Q1 2021 | $3,000 | +50.0% | 156 | 0.0% | 0.00% | – |
| Q4 2020 | $2,000 | 0.0% | 156 | -25.0% | 0.00% | – |
| Q3 2020 | $2,000 | 0.0% | 208 | +11.8% | 0.00% | – |
| Q2 2020 | $2,000 | 0.0% | 186 | -14.3% | 0.00% | – |
| Q1 2020 | $2,000 | – | 217 | – | 0.00% | – |
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% |