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 2021 | $315,000 | -22.8% | 4,420 | -88.7% | 0.02% | -17.9% |
| Q2 2020 | $408,000 | +77.4% | 39,000 | +81.4% | 0.03% | +55.6% |
| Q1 2020 | $230,000 | -32.4% | 21,500 | 0.0% | 0.02% | -14.3% |
| Q4 2019 | $340,000 | +16.0% | 21,500 | -42.5% | 0.02% | +23.5% |
| Q3 2019 | $293,000 | -50.3% | 37,388 | -33.0% | 0.02% | -51.4% |
| Q2 2019 | $590,000 | -17.4% | 55,803 | -5.3% | 0.04% | -12.5% |
| Q1 2019 | $714,000 | -44.8% | 58,903 | +2.7% | 0.04% | +17.6% |
| Q2 2014 | $1,293,000 | – | 57,331 | – | 0.03% | – |
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% |