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 | $387,461,493 | -28.3% | 8,030,290 | +1.5% | 0.03% | -26.7% |
| Q2 2023 | $540,283,662 | -17.6% | 7,912,766 | -41.5% | 0.04% | +50.0% |
| Q1 2023 | $655,510,702 | +175.6% | 13,524,050 | +242.6% | 0.03% | +25.0% |
| Q4 2022 | $237,823,139 | +24.0% | 3,947,272 | +24.8% | 0.02% | +20.0% |
| Q3 2022 | $191,738,000 | +141.4% | 3,162,418 | +8.1% | 0.02% | +150.0% |
| Q2 2022 | $79,425,000 | -18.8% | 2,925,398 | +9.3% | 0.01% | 0.0% |
| Q1 2022 | $97,848,000 | -25.0% | 2,675,614 | +1.3% | 0.01% | -20.0% |
| Q4 2021 | $130,503,000 | -30.8% | 2,641,741 | -0.3% | 0.01% | -33.3% |
| Q3 2021 | $188,719,000 | +32.1% | 2,649,431 | -4.6% | 0.02% | +36.4% |
| Q2 2021 | $142,832,000 | +82.5% | 2,778,287 | -10.8% | 0.01% | +57.1% |
| Q1 2021 | $78,279,000 | +339.7% | 3,116,196 | +110.2% | 0.01% | +250.0% |
| Q4 2020 | $17,803,000 | -10.8% | 1,482,361 | -25.8% | 0.00% | 0.0% |
| Q3 2020 | $19,969,000 | -2.5% | 1,998,870 | +2.1% | 0.00% | 0.0% |
| Q2 2020 | $20,478,000 | -38.9% | 1,957,749 | -37.5% | 0.00% | -60.0% |
| Q1 2020 | $33,526,000 | -36.3% | 3,133,253 | -5.8% | 0.01% | -16.7% |
| Q4 2019 | $52,672,000 | +99.2% | 3,327,349 | -1.3% | 0.01% | +100.0% |
| Q3 2019 | $26,441,000 | -38.9% | 3,372,559 | -17.6% | 0.00% | -40.0% |
| Q2 2019 | $43,286,000 | -14.8% | 4,095,169 | -2.2% | 0.01% | -16.7% |
| Q1 2019 | $50,789,000 | +0.4% | 4,187,033 | -14.7% | 0.01% | -14.3% |
| Q4 2018 | $50,577,000 | -23.3% | 4,910,430 | -2.6% | 0.01% | 0.0% |
| Q3 2018 | $65,954,000 | -18.8% | 5,042,364 | -9.4% | 0.01% | -22.2% |
| Q2 2018 | $81,186,000 | -61.7% | 5,568,322 | -3.6% | 0.01% | -64.0% |
| Q1 2018 | $212,047,000 | -1.8% | 5,776,280 | +0.2% | 0.02% | 0.0% |
| Q4 2017 | $216,025,000 | -41.9% | 5,762,214 | +0.4% | 0.02% | -44.4% |
| Q3 2017 | $371,862,000 | +20.6% | 5,741,262 | +0.7% | 0.04% | +18.4% |
| Q2 2017 | $308,443,000 | -2.3% | 5,699,234 | +0.7% | 0.04% | -5.0% |
| Q1 2017 | $315,733,000 | +24.1% | 5,659,308 | +9.4% | 0.04% | +17.6% |
| Q4 2016 | $254,473,000 | -17.8% | 5,173,264 | +0.3% | 0.03% | -17.1% |
| Q3 2016 | $309,408,000 | +71.9% | 5,159,381 | +0.2% | 0.04% | +64.0% |
| Q2 2016 | $179,959,000 | -15.0% | 5,147,581 | +0.0% | 0.02% | -13.8% |
| Q1 2016 | $211,810,000 | -34.2% | 5,146,009 | +8.8% | 0.03% | -32.6% |
| Q4 2015 | $322,052,000 | +51.0% | 4,728,412 | +0.5% | 0.04% | +43.3% |
| Q3 2015 | $213,225,000 | -13.7% | 4,702,797 | +0.2% | 0.03% | -6.2% |
| Q2 2015 | $247,174,000 | +57.7% | 4,692,882 | +14.2% | 0.03% | +60.0% |
| Q1 2015 | $156,753,000 | +83.8% | 4,109,930 | +0.1% | 0.02% | +81.8% |
| Q4 2014 | $85,274,000 | -6.3% | 4,107,618 | +0.0% | 0.01% | -8.3% |
| Q3 2014 | $90,998,000 | +46.6% | 4,106,390 | +49.1% | 0.01% | +50.0% |
| Q2 2014 | $62,087,000 | -58.2% | 2,753,292 | -29.1% | 0.01% | -61.9% |
| Q1 2014 | $148,704,000 | +103.7% | 3,881,581 | +41.0% | 0.02% | +110.0% |
| Q4 2013 | $73,018,000 | +85.6% | 2,753,292 | +41.6% | 0.01% | +66.7% |
| Q3 2013 | $39,338,000 | +55.5% | 1,944,560 | -0.7% | 0.01% | +50.0% |
| Q2 2013 | $25,291,000 | – | 1,959,000 | – | 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% |