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 | $2,731,577 | -24.1% | 56,613 | +7.4% | 0.00% | -20.0% |
| Q2 2023 | $3,600,268 | +45.9% | 52,728 | +3.6% | 0.01% | +25.0% |
| Q1 2023 | $2,467,365 | -37.4% | 50,905 | -22.2% | 0.00% | -42.9% |
| Q4 2022 | $3,939,988 | +340.7% | 65,394 | +343.2% | 0.01% | +250.0% |
| Q3 2022 | $894,000 | +144.3% | 14,756 | +9.4% | 0.00% | +100.0% |
| Q2 2022 | $366,000 | -17.6% | 13,484 | +11.0% | 0.00% | 0.0% |
| Q1 2022 | $444,000 | -22.1% | 12,147 | +5.4% | 0.00% | 0.0% |
| Q4 2021 | $570,000 | -96.6% | 11,529 | -95.6% | 0.00% | -97.4% |
| Q3 2017 | $16,800,000 | +965.3% | 259,387 | +818.1% | 0.04% | +875.0% |
| Q1 2017 | $1,577,000 | +0.1% | 28,254 | -11.8% | 0.00% | 0.0% |
| Q4 2016 | $1,576,000 | -45.8% | 32,039 | -34.0% | 0.00% | -42.9% |
| Q3 2016 | $2,910,000 | -3.3% | 48,535 | -43.6% | 0.01% | 0.0% |
| Q2 2016 | $3,009,000 | -9.1% | 86,073 | +7.0% | 0.01% | -12.5% |
| Q1 2016 | $3,311,000 | -38.3% | 80,445 | +2.2% | 0.01% | -33.3% |
| Q4 2015 | $5,362,000 | +23.4% | 78,727 | -17.8% | 0.01% | +20.0% |
| Q3 2015 | $4,344,000 | +0.0% | 95,796 | +16.2% | 0.01% | +11.1% |
| Q2 2015 | $4,342,000 | -3.7% | 82,435 | -30.3% | 0.01% | 0.0% |
| Q1 2015 | $4,511,000 | +105.3% | 118,271 | +11.8% | 0.01% | +80.0% |
| Q4 2014 | $2,197,000 | – | 105,817 | – | 0.01% | – |
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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% |