PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 175 filers reported holding PROTHENA CORP PLC in Q1 2022. The put-call ratio across all filers is 0.32 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $88,125,089 | -22.8% | 1,826,609 | +9.2% | 0.06% | -18.3% |
| Q2 2023 | $114,193,845 | +47.6% | 1,672,531 | +4.8% | 0.07% | +39.2% |
| Q1 2023 | $77,363,547 | -10.3% | 1,596,303 | +11.4% | 0.05% | -17.7% |
| Q4 2022 | $86,293,468 | +829.3% | 1,432,323 | +368.2% | 0.06% | +785.7% |
| Q3 2022 | $9,286,277 | +86.9% | 305,896 | +67.1% | 0.01% | +133.3% |
| Q2 2022 | $4,968,000 | +2371.6% | 183,040 | +3231.0% | 0.00% | – |
| Q1 2022 | $201,000 | -26.1% | 5,495 | 0.0% | 0.00% | – |
| Q4 2021 | $272,000 | – | 5,495 | – | 0.00% | – |
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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% |