PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 190 filers reported holding PROTHENA CORP PLC in Q3 2023. The put-call ratio across all filers is 1.91 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $149,382 | +11.9% | 3,096 | +58.3% | 0.00% | – |
| Q2 2023 | $133,555 | -45.2% | 1,956 | -61.1% | 0.00% | – |
| Q1 2023 | $243,610 | -42.1% | 5,026 | -28.0% | 0.00% | -100.0% |
| Q4 2022 | $420,786 | -45.6% | 6,984 | -45.3% | 0.00% | 0.0% |
| Q3 2022 | $773,000 | +117.7% | 12,757 | -2.7% | 0.00% | 0.0% |
| Q2 2022 | $355,000 | -62.4% | 13,108 | -49.2% | 0.00% | 0.0% |
| Q1 2022 | $943,000 | -80.4% | 25,799 | -73.5% | 0.00% | -80.0% |
| Q4 2021 | $4,808,000 | – | 97,332 | – | 0.01% | – |
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% |