PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 129 filers reported holding PROTHENA CORP PLC in Q3 2019. The put-call ratio across all filers is 0.21 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2022 | $3 | -99.9% | 50 | -37.5% | 0.00% | -50.0% |
| Q3 2022 | $5,000 | +66.7% | 80 | -27.3% | 0.00% | +100.0% |
| Q2 2022 | $3,000 | -25.0% | 110 | 0.0% | 0.00% | -50.0% |
| Q1 2022 | $4,000 | -20.0% | 110 | 0.0% | 0.00% | 0.0% |
| Q4 2021 | $5,000 | -37.5% | 110 | 0.0% | 0.00% | -33.3% |
| Q3 2021 | $8,000 | -52.9% | 110 | -66.7% | 0.00% | -50.0% |
| Q2 2021 | $17,000 | +112.5% | 330 | 0.0% | 0.01% | +100.0% |
| Q1 2021 | $8,000 | +100.0% | 330 | 0.0% | 0.00% | +50.0% |
| Q4 2020 | $4,000 | +33.3% | 330 | 0.0% | 0.00% | +100.0% |
| Q3 2020 | $3,000 | -25.0% | 330 | +43.5% | 0.00% | -50.0% |
| Q4 2019 | $4,000 | +300.0% | 230 | +155.6% | 0.00% | +100.0% |
| Q3 2019 | $1,000 | 0.0% | 90 | 0.0% | 0.00% | 0.0% |
| Q2 2019 | $1,000 | 0.0% | 90 | 0.0% | 0.00% | 0.0% |
| Q1 2019 | $1,000 | 0.0% | 90 | 0.0% | 0.00% | 0.0% |
| Q4 2018 | $1,000 | 0.0% | 90 | 0.0% | 0.00% | 0.0% |
| Q3 2018 | $1,000 | 0.0% | 90 | 0.0% | 0.00% | 0.0% |
| Q2 2018 | $1,000 | -66.7% | 90 | 0.0% | 0.00% | -50.0% |
| Q1 2018 | $3,000 | 0.0% | 90 | 0.0% | 0.00% | 0.0% |
| Q4 2017 | $3,000 | -100.0% | 90 | -35.7% | 0.00% | -66.7% |
| Q3 2017 | $9,068,000 | +19.7% | 140 | 0.0% | 0.01% | +20.0% |
| Q2 2017 | $7,577,000 | +6.7% | 140 | 0.0% | 0.01% | 0.0% |
| Q1 2017 | $7,098,000 | +88625.0% | 140 | 0.0% | 0.01% | 0.0% |
| Q4 2016 | $8,000 | +33.3% | 140 | 0.0% | 0.01% | +25.0% |
| Q2 2016 | $6,000 | +100.0% | 140 | +133.3% | 0.00% | +100.0% |
| Q1 2016 | $3,000 | – | 60 | – | 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% |