PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 197 filers reported holding PROTHENA CORP PLC in Q2 2023. The put-call ratio across all filers is 1.55 and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $115,269 | -25.4% | 2,389 | +5.5% | 0.01% | -25.0% |
| Q2 2023 | $154,586 | +10.2% | 2,264 | -2.8% | 0.01% | +33.3% |
| Q4 2022 | $140,322 | +121.9% | 2,329 | 0.0% | 0.01% | +100.0% |
| Q2 2022 | $63,232 | -25.8% | 2,329 | 0.0% | 0.00% | 0.0% |
| Q1 2022 | $85,172 | -81.4% | 2,329 | -74.9% | 0.00% | -50.0% |
| Q4 2021 | $458,432 | -30.6% | 9,280 | 0.0% | 0.01% | -40.0% |
| Q3 2021 | $661,014 | +175.1% | 9,280 | -3.0% | 0.01% | +150.0% |
| Q1 2021 | $240,298 | +101.3% | 9,566 | -3.8% | 0.00% | +100.0% |
| Q4 2020 | $119,391 | -10.5% | 9,941 | -22.1% | 0.00% | 0.0% |
| Q2 2020 | $133,417 | +30.7% | 12,755 | -2.0% | 0.00% | 0.0% |
| Q3 2019 | $102,069 | -25.8% | 13,019 | 0.0% | 0.00% | 0.0% |
| Q2 2019 | $137,611 | -12.9% | 13,019 | 0.0% | 0.00% | -33.3% |
| Q1 2019 | $157,920 | +17.8% | 13,019 | 0.0% | 0.00% | 0.0% |
| Q4 2018 | $134,096 | -65.4% | 13,019 | -25.1% | 0.00% | 0.0% |
| Q2 2014 | $388,000 | -5.4% | 17,383 | +62.3% | 0.00% | 0.0% |
| Q1 2014 | $410,000 | +44.4% | 10,713 | 0.0% | 0.00% | +50.0% |
| Q4 2013 | $284,000 | +30.9% | 10,713 | 0.0% | 0.00% | 0.0% |
| Q3 2013 | $217,000 | – | 10,713 | – | 0.00% | – |
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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% |