PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 141 filers reported holding PROTHENA CORP PLC in Q3 2020. The put-call ratio across all filers is 1.19 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $533,790 | -34.4% | 11,063 | -7.2% | 0.00% | – |
| Q2 2023 | $813,624 | +39.7% | 11,916 | -0.8% | 0.00% | – |
| Q1 2023 | $582,221 | -60.0% | 12,012 | -50.3% | 0.00% | – |
| Q4 2022 | $1,456,000 | -30.0% | 24,180 | -29.6% | 0.00% | -100.0% |
| Q3 2022 | $2,081,000 | +203.8% | 34,333 | +36.2% | 0.00% | – |
| Q2 2022 | $685,000 | -33.8% | 25,209 | -10.8% | 0.00% | – |
| Q1 2022 | $1,034,000 | +45.2% | 28,256 | +96.0% | 0.00% | – |
| Q4 2021 | $712,000 | +9.5% | 14,420 | +58.1% | 0.00% | – |
| Q3 2021 | $650,000 | +45.4% | 9,123 | -48.7% | 0.00% | – |
| Q1 2021 | $447,000 | -9.3% | 17,792 | -56.7% | 0.00% | – |
| Q4 2020 | $493,000 | -1.2% | 41,069 | -17.7% | 0.00% | – |
| Q3 2020 | $499,000 | +1.8% | 49,878 | +6.4% | 0.00% | – |
| Q2 2020 | $490,000 | -2.6% | 46,870 | -0.2% | 0.00% | – |
| Q1 2020 | $503,000 | -32.3% | 46,985 | +0.2% | 0.00% | – |
| Q4 2019 | $743,000 | +142.8% | 46,912 | +20.3% | 0.00% | – |
| Q3 2019 | $306,000 | -10.3% | 39,009 | +21.0% | 0.00% | – |
| Q2 2019 | $341,000 | -0.6% | 32,226 | +13.7% | 0.00% | – |
| Q1 2019 | $343,000 | +90.6% | 28,336 | +61.9% | 0.00% | – |
| Q4 2018 | $180,000 | -4.3% | 17,507 | +124950.0% | 0.00% | – |
| Q3 2018 | $188,000 | -42.7% | 14 | -99.8% | 0.00% | – |
| Q1 2018 | $328,000 | -85.3% | 8,928 | -72.7% | 0.00% | -100.0% |
| Q4 2015 | $2,227,000 | +59.2% | 32,695 | +5.9% | 0.00% | 0.0% |
| Q3 2015 | $1,399,000 | -40.2% | 30,863 | -30.5% | 0.00% | 0.0% |
| Q2 2015 | $2,338,000 | +116800.0% | 44,386 | +82096.3% | 0.00% | – |
| Q3 2014 | $2,000 | 0.0% | 54 | -40.7% | 0.00% | – |
| Q2 2014 | $2,000 | -98.0% | 91 | -96.5% | 0.00% | – |
| Q1 2014 | $100,000 | – | 2,612 | +11772.7% | 0.00% | – |
| Q4 2013 | $0 | -100.0% | 22 | -97.1% | 0.00% | – |
| Q3 2013 | $15,000 | +50.0% | 762 | -3.1% | 0.00% | – |
| Q2 2013 | $10,000 | – | 786 | – | 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% |