PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 148 filers reported holding PROTHENA CORP PLC in Q1 2018. The put-call ratio across all filers is 0.26 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $14,234 | -30.7% | 295 | -2.0% | 0.00% | -100.0% |
| Q2 2023 | $20,552 | +43.7% | 301 | +2.0% | 0.00% | – |
| Q1 2023 | $14,299 | -30.2% | 295 | -13.2% | 0.00% | -100.0% |
| Q4 2022 | $20,485 | -21.2% | 340 | -19.8% | 0.00% | 0.0% |
| Q3 2022 | $26,000 | +136.4% | 424 | +1.0% | 0.00% | – |
| Q2 2022 | $11,000 | -26.7% | 420 | 0.0% | 0.00% | – |
| Q1 2022 | $15,000 | -28.6% | 420 | 0.0% | 0.00% | -100.0% |
| Q4 2021 | $21,000 | -30.0% | 420 | 0.0% | 0.00% | 0.0% |
| Q3 2021 | $30,000 | -6.2% | 420 | -33.1% | 0.00% | 0.0% |
| Q2 2021 | $32,000 | +88.2% | 628 | -5.7% | 0.00% | 0.0% |
| Q1 2021 | $17,000 | +112.5% | 666 | +6.6% | 0.00% | – |
| Q4 2020 | $8,000 | +33.3% | 625 | 0.0% | 0.00% | – |
| Q3 2020 | $6,000 | -14.3% | 625 | 0.0% | 0.00% | – |
| Q2 2020 | $7,000 | – | 625 | +15525.0% | 0.00% | – |
| Q2 2019 | $0 | – | 4 | 0.0% | 0.00% | – |
| Q1 2019 | $0 | – | 4 | 0.0% | 0.00% | – |
| Q4 2018 | $0 | – | 4 | 0.0% | 0.00% | – |
| Q3 2018 | $0 | – | 4 | 0.0% | 0.00% | – |
| Q2 2018 | $0 | – | 4 | 0.0% | 0.00% | – |
| Q1 2018 | $0 | – | 4 | 0.0% | 0.00% | – |
| Q3 2016 | $0 | – | 4 | 0.0% | 0.00% | – |
| Q2 2016 | $0 | – | 4 | 0.0% | 0.00% | – |
| Q1 2016 | $0 | – | 4 | 0.0% | 0.00% | – |
| Q4 2015 | $0 | – | 4 | 0.0% | 0.00% | – |
| Q3 2015 | $0 | – | 4 | 0.0% | 0.00% | – |
| Q2 2015 | $0 | – | 4 | -50.0% | 0.00% | – |
| Q1 2015 | $0 | – | 8 | 0.0% | 0.00% | – |
| Q4 2014 | $0 | – | 8 | 0.0% | 0.00% | – |
| Q3 2014 | $0 | – | 8 | 0.0% | 0.00% | – |
| Q2 2014 | $0 | – | 8 | 0.0% | 0.00% | – |
| Q1 2014 | $0 | -100.0% | 8 | -93.9% | 0.00% | -100.0% |
| Q4 2013 | $4,000 | +33.3% | 132 | 0.0% | 0.00% | 0.0% |
| Q3 2013 | $3,000 | +50.0% | 132 | 0.0% | 0.00% | 0.0% |
| Q2 2013 | $2,000 | – | 132 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| RA Capital Management | 1,554,918 | $59,569,000 | 4.27% |
| Cormorant Asset Management, LP | 350,000 | $13,409,000 | 3.08% |
| Redmile Group, LLC | 559,611 | $21,439,000 | 2.56% |
| Ghost Tree Capital, LLC | 110,000 | $4,214,000 | 2.50% |
| Atika Capital Management LLC | 57,500 | $2,203,000 | 1.88% |
| Palo Alto Investors LP | 1,065,836 | $40,832,000 | 1.69% |
| Perceptive Advisors | 350,000 | $13,409,000 | 1.41% |
| Orbimed Advisors | 1,889,000 | $72,368,000 | 0.89% |
| Rock Springs Capital Management LP | 65,000 | $2,490,000 | 0.57% |
| Cupps Capital Management, LLC | 164,199 | $6,290,000 | 0.48% |