PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 189 filers reported holding PROTHENA CORP PLC in Q1 2023. The put-call ratio across all filers is 0.56 and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $2,160,249 | -24.7% | 44,772 | +6.5% | 0.01% | -12.5% |
| Q2 2023 | $2,870,491 | +89.9% | 42,040 | +34.8% | 0.01% | +100.0% |
| Q1 2023 | $1,511,731 | -24.0% | 31,189 | -5.5% | 0.00% | -33.3% |
| Q4 2022 | $1,987,949 | -33.5% | 32,995 | -33.1% | 0.01% | -33.3% |
| Q3 2022 | $2,990,000 | +213.7% | 49,310 | +40.6% | 0.01% | +350.0% |
| Q2 2022 | $953,000 | -46.2% | 35,083 | -27.5% | 0.00% | -50.0% |
| Q1 2022 | $1,770,000 | -24.1% | 48,400 | +2.5% | 0.00% | -20.0% |
| Q4 2021 | $2,332,000 | -28.5% | 47,200 | +3.1% | 0.01% | -28.6% |
| Q3 2021 | $3,262,000 | +29.5% | 45,800 | -6.5% | 0.01% | +40.0% |
| Q2 2021 | $2,519,000 | +141.7% | 49,000 | +18.1% | 0.01% | +150.0% |
| Q1 2021 | $1,042,000 | +101.2% | 41,500 | -3.7% | 0.00% | +100.0% |
| Q4 2020 | $518,000 | -16.3% | 43,100 | -30.5% | 0.00% | -50.0% |
| Q3 2020 | $619,000 | -4.6% | 62,000 | 0.0% | 0.00% | 0.0% |
| Q2 2020 | $649,000 | -2.1% | 62,000 | 0.0% | 0.00% | 0.0% |
| Q1 2020 | $663,000 | -30.6% | 62,000 | +2.8% | 0.00% | 0.0% |
| Q4 2019 | $955,000 | +101.9% | 60,300 | 0.0% | 0.00% | +100.0% |
| Q3 2019 | $473,000 | -18.6% | 60,300 | +9.6% | 0.00% | -50.0% |
| Q2 2019 | $581,000 | -11.0% | 55,000 | +2.2% | 0.00% | 0.0% |
| Q1 2019 | $653,000 | +52.9% | 53,800 | +29.6% | 0.00% | +100.0% |
| Q4 2018 | $427,000 | -20.2% | 41,500 | +1.5% | 0.00% | 0.0% |
| Q3 2018 | $535,000 | -10.2% | 40,900 | 0.0% | 0.00% | -50.0% |
| Q2 2018 | $596,000 | -57.2% | 40,900 | +7.9% | 0.00% | -50.0% |
| Q1 2018 | $1,391,000 | -2.1% | 37,900 | 0.0% | 0.00% | 0.0% |
| Q4 2017 | $1,421,000 | -18.8% | 37,900 | +40.4% | 0.00% | -20.0% |
| Q3 2017 | $1,749,000 | +19.7% | 27,000 | 0.0% | 0.01% | 0.0% |
| Q2 2017 | $1,461,000 | – | 27,000 | – | 0.01% | – |
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% |