PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 165 filers reported holding PROTHENA CORP PLC in Q2 2022. The put-call ratio across all filers is 0.24 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $66,199 | -35.9% | 1,372 | -9.3% | 0.04% | -34.4% |
| Q2 2023 | $103,308 | +22.3% | 1,513 | -13.2% | 0.06% | +32.6% |
| Q1 2023 | $84,483 | -42.0% | 1,743 | -27.9% | 0.05% | -39.5% |
| Q4 2022 | $145,564 | -47.3% | 2,416 | -47.0% | 0.08% | -30.9% |
| Q3 2022 | $276,000 | +124.4% | 4,557 | +0.8% | 0.11% | +139.1% |
| Q2 2022 | $123,000 | -8.9% | 4,523 | +22.7% | 0.05% | -23.3% |
| Q1 2022 | $135,000 | -30.1% | 3,686 | -5.5% | 0.06% | -17.8% |
| Q4 2021 | $193,000 | -39.3% | 3,901 | -12.5% | 0.07% | -47.9% |
| Q3 2021 | $318,000 | +32.0% | 4,458 | -5.0% | 0.14% | +41.4% |
| Q2 2021 | $241,000 | -59.4% | 4,694 | -80.1% | 0.10% | -60.4% |
| Q1 2021 | $593,000 | +113.3% | 23,598 | +1.8% | 0.25% | +117.4% |
| Q4 2020 | $278,000 | -12.6% | 23,175 | -27.3% | 0.12% | -31.1% |
| Q3 2020 | $318,000 | -16.1% | 31,875 | -12.0% | 0.17% | -6.7% |
| Q2 2020 | $379,000 | +79.6% | 36,223 | +34.7% | 0.18% | +316.3% |
| Q3 2019 | $211,000 | -29.7% | 26,882 | -5.3% | 0.04% | -31.7% |
| Q2 2019 | $300,000 | +7.9% | 28,379 | +23.8% | 0.06% | -89.4% |
| Q1 2019 | $278,000 | +4.1% | 22,918 | -11.5% | 0.59% | +1187.0% |
| Q4 2018 | $267,000 | -34.9% | 25,882 | -17.4% | 0.05% | +9.5% |
| Q3 2018 | $410,000 | -48.3% | 31,339 | -42.3% | 0.04% | -94.0% |
| Q2 2018 | $793,000 | +5.6% | 54,358 | +165.7% | 0.70% | +7.5% |
| Q1 2018 | $751,000 | +109.8% | 20,456 | +114.2% | 0.65% | +45.2% |
| Q4 2017 | $358,000 | -8.7% | 9,552 | +57.9% | 0.45% | +747.2% |
| Q3 2017 | $392,000 | +32.0% | 6,048 | +10.1% | 0.05% | +20.5% |
| Q2 2017 | $297,000 | +0.3% | 5,494 | +3.6% | 0.04% | -17.0% |
| Q1 2017 | $296,000 | +25.4% | 5,303 | +10.6% | 0.05% | -24.3% |
| Q4 2016 | $236,000 | -28.5% | 4,795 | -13.0% | 0.07% | -56.2% |
| Q3 2016 | $330,000 | +71.0% | 5,509 | 0.0% | 0.16% | +11.9% |
| Q2 2016 | $193,000 | +28.7% | 5,509 | +50.9% | 0.14% | -30.9% |
| Q1 2016 | $150,000 | – | 3,650 | – | 0.21% | – |
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% |