PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 175 filers reported holding PROTHENA CORP PLC in Q1 2022. The put-call ratio across all filers is 0.32 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $9,202,964 | +116.2% | 190,735 | +205.9% | 0.00% | – |
| Q2 2023 | $4,256,712 | +40.1% | 62,342 | -0.6% | 0.00% | – |
| Q1 2023 | $3,039,117 | +24.4% | 62,701 | +54.6% | 0.00% | – |
| Q4 2022 | $2,443,077 | -88.5% | 40,549 | -88.4% | 0.00% | -100.0% |
| Q3 2022 | $21,230,000 | +289.4% | 350,143 | +74.4% | 0.01% | +500.0% |
| Q2 2022 | $5,452,000 | +48.7% | 200,811 | +100.4% | 0.00% | – |
| Q1 2022 | $3,666,000 | +21.6% | 100,215 | +64.3% | 0.00% | – |
| Q4 2021 | $3,014,000 | -71.1% | 60,993 | -58.3% | 0.00% | -100.0% |
| Q3 2021 | $10,422,000 | +205.7% | 146,305 | +120.7% | 0.00% | – |
| Q2 2021 | $3,409,000 | +5.0% | 66,300 | -48.7% | 0.00% | – |
| Q1 2021 | $3,247,000 | +240.4% | 129,273 | +62.7% | 0.00% | – |
| Q4 2020 | $954,000 | -21.9% | 79,434 | -35.0% | 0.00% | – |
| Q3 2020 | $1,222,000 | -43.2% | 122,290 | -40.6% | 0.00% | -100.0% |
| Q2 2020 | $2,153,000 | -74.6% | 205,764 | -74.1% | 0.00% | -75.0% |
| Q1 2020 | $8,489,000 | -43.4% | 793,331 | -16.3% | 0.00% | -33.3% |
| Q4 2019 | $15,008,000 | +37.7% | 948,106 | -31.8% | 0.01% | +20.0% |
| Q3 2019 | $10,900,000 | -31.4% | 1,390,312 | -7.5% | 0.01% | -28.6% |
| Q2 2019 | $15,895,000 | -10.6% | 1,503,802 | +2.6% | 0.01% | -22.2% |
| Q1 2019 | $17,786,000 | +37.5% | 1,466,253 | +16.8% | 0.01% | +28.6% |
| Q4 2018 | $12,932,000 | +45.5% | 1,255,464 | +84.8% | 0.01% | +75.0% |
| Q3 2018 | $8,887,000 | -3.8% | 679,400 | +7.2% | 0.00% | 0.0% |
| Q2 2018 | $9,241,000 | +170.7% | 633,816 | +581.5% | 0.00% | +100.0% |
| Q1 2018 | $3,414,000 | +2.9% | 93,000 | +5.1% | 0.00% | 0.0% |
| Q4 2017 | $3,317,000 | +345.2% | 88,468 | +669.3% | 0.00% | – |
| Q3 2017 | $745,000 | -94.7% | 11,500 | -95.6% | 0.00% | -100.0% |
| Q2 2017 | $14,004,000 | -14.5% | 258,742 | -11.9% | 0.01% | -26.7% |
| Q1 2017 | $16,385,000 | +1085.6% | 293,697 | +945.5% | 0.02% | +1400.0% |
| Q4 2016 | $1,382,000 | -72.1% | 28,092 | -66.0% | 0.00% | -83.3% |
| Q3 2016 | $4,956,000 | -84.5% | 82,624 | -82.4% | 0.01% | -82.9% |
| Q4 2015 | $31,985,000 | -14.4% | 469,605 | -43.0% | 0.04% | -2.8% |
| Q3 2015 | $37,381,000 | +69.8% | 824,450 | +97.3% | 0.04% | +89.5% |
| Q2 2015 | $22,011,000 | +453.0% | 417,890 | +300.5% | 0.02% | +375.0% |
| Q1 2015 | $3,980,000 | +580.3% | 104,337 | +295.2% | 0.00% | +300.0% |
| Q3 2014 | $585,000 | -80.6% | 26,400 | -80.2% | 0.00% | -66.7% |
| Q2 2014 | $3,008,000 | – | 133,403 | – | 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% |