PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 165 filers reported holding PROTHENA CORP PLC in Q2 2022. The put-call ratio across all filers is 0.24 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $722,850 | -95.2% | 15,000 | +3585.5% | 0.24% | +56.4% |
| Q2 2022 | $15,000,000 | -37.1% | 407 | -97.3% | 0.16% | -97.1% |
| Q1 2022 | $23,848,000 | +3118.4% | 15,000 | 0.0% | 5.38% | +3159.4% |
| Q4 2021 | $741,000 | +31.9% | 15,000 | 0.0% | 0.16% | -16.7% |
| Q4 2017 | $562,000 | -75.3% | 15,000 | -64.3% | 0.20% | -77.1% |
| Q2 2017 | $2,274,000 | -2.9% | 42,000 | 0.0% | 0.86% | -3.6% |
| Q1 2017 | $2,342,000 | +13.4% | 42,000 | 0.0% | 0.90% | -3.8% |
| Q4 2016 | $2,066,000 | – | 42,000 | – | 0.93% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| EcoR1 Capital, LLC | 11,584,280 | $558,941,510 | 18.85% |
| Finepoint Capital LP | 349,300 | $16,853,725 | 8.39% |
| Palo Alto Investors LP | 1,657,458 | $79,972,349 | 7.57% |
| Birchview Capital, LP | 169,574 | $8,181,946 | 6.96% |
| First Light Asset Management, LLC | 1,494,039 | $72,087,382 | 6.85% |
| DCF Advisers, LLC | 82,950 | $4,002,338 | 2.18% |
| Prosight Management, LP | 126,202 | $6,089,247 | 1.93% |
| PFM Health Sciences, LP | 836,571 | $40,364,551 | 1.90% |
| SECTORAL ASSET MANAGEMENT INC | 172,407 | $8,318,638 | 1.62% |
| Boxer Capital, LLC | 625,000 | $30,156,250 | 1.60% |