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 | $998,293 | -26.7% | 20,690 | +3.7% | 0.01% | -25.0% |
| Q2 2023 | $1,362,459 | +48.8% | 19,954 | +5.7% | 0.01% | +33.3% |
| Q1 2023 | $915,356 | -12.4% | 18,885 | +8.9% | 0.01% | -14.3% |
| Q4 2022 | $1,044,976 | +2.3% | 17,344 | +3.0% | 0.01% | 0.0% |
| Q3 2022 | $1,021,000 | +126.4% | 16,842 | +1.4% | 0.01% | +133.3% |
| Q2 2022 | $451,000 | -31.2% | 16,604 | -7.5% | 0.00% | -25.0% |
| Q1 2022 | $656,000 | -30.9% | 17,948 | -6.6% | 0.00% | -20.0% |
| Q4 2021 | $949,000 | -30.4% | 19,212 | +0.4% | 0.01% | -28.6% |
| Q3 2021 | $1,363,000 | +38.8% | 19,130 | +0.1% | 0.01% | +133.3% |
| Q2 2021 | $982,000 | +118.2% | 19,107 | +6.6% | 0.00% | +50.0% |
| Q1 2021 | $450,000 | +109.3% | 17,932 | +0.3% | 0.00% | +100.0% |
| Q4 2020 | $215,000 | +16.8% | 17,884 | -2.8% | 0.00% | 0.0% |
| Q3 2020 | $184,000 | -6.6% | 18,398 | -2.2% | 0.00% | 0.0% |
| Q2 2020 | $197,000 | -22.7% | 18,815 | -20.9% | 0.00% | 0.0% |
| Q1 2020 | $255,000 | -36.1% | 23,799 | -5.5% | 0.00% | -50.0% |
| Q4 2019 | $399,000 | +100.5% | 25,174 | -0.8% | 0.00% | +100.0% |
| Q3 2019 | $199,000 | -26.3% | 25,386 | -0.7% | 0.00% | 0.0% |
| Q2 2019 | $270,000 | -13.2% | 25,562 | -0.2% | 0.00% | 0.0% |
| Q1 2019 | $311,000 | +14.3% | 25,621 | -3.1% | 0.00% | 0.0% |
| Q4 2018 | $272,000 | -22.1% | 26,452 | -0.8% | 0.00% | 0.0% |
| Q3 2018 | $349,000 | -8.6% | 26,656 | +1.8% | 0.00% | 0.0% |
| Q2 2018 | $382,000 | -58.1% | 26,175 | +5.5% | 0.00% | -66.7% |
| Q1 2018 | $911,000 | -6.1% | 24,822 | -4.0% | 0.00% | 0.0% |
| Q4 2017 | $970,000 | -41.8% | 25,867 | +0.5% | 0.00% | -50.0% |
| Q3 2017 | $1,668,000 | +29.4% | 25,746 | +8.1% | 0.01% | +20.0% |
| Q2 2017 | $1,289,000 | +9.8% | 23,821 | +13.2% | 0.01% | +25.0% |
| Q1 2017 | $1,174,000 | +19.6% | 21,039 | +5.3% | 0.00% | 0.0% |
| Q4 2016 | $982,000 | -99.9% | 19,973 | -0.3% | 0.00% | -20.0% |
| Q3 2016 | $1,200,899,000 | +71.8% | 20,025 | +0.2% | 0.01% | +66.7% |
| Q2 2016 | $699,025,000 | -7.3% | 19,995 | +9.1% | 0.00% | 0.0% |
| Q1 2016 | $754,000,000 | -39.6% | 18,323 | 0.0% | 0.00% | -40.0% |
| Q4 2015 | $1,248,000,000 | +149900.0% | 18,323 | -0.2% | 0.01% | +25.0% |
| Q3 2015 | $832,000 | -99.9% | 18,355 | +0.1% | 0.00% | 0.0% |
| Q2 2015 | $965,652,000 | +51.1% | 18,334 | +9.4% | 0.00% | +33.3% |
| Q1 2015 | $639,226,000 | +83.7% | 16,760 | 0.0% | 0.00% | +50.0% |
| Q4 2014 | $347,938,000 | -9.2% | 16,760 | -3.1% | 0.00% | 0.0% |
| Q3 2014 | $383,302,000 | +15.4% | 17,297 | +17.4% | 0.00% | +100.0% |
| Q2 2014 | $332,139,000 | -10.4% | 14,729 | +52.3% | 0.00% | -50.0% |
| Q1 2014 | $370,611,000 | +48.0% | 9,674 | +2.5% | 0.00% | +100.0% |
| Q4 2013 | $250,402,000 | +55.5% | 9,442 | +18.6% | 0.00% | 0.0% |
| Q3 2013 | $161,051,000 | +1238753.8% | 7,961 | +796000.0% | 0.00% | – |
| Q2 2013 | $13,000 | – | 1 | – | 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% |