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 | $8,331,907 | +36.5% | 172,682 | +93.1% | 0.01% | +42.9% |
| Q2 2023 | $6,105,120 | +68.6% | 89,413 | +19.7% | 0.01% | +75.0% |
| Q1 2023 | $3,621,000 | -26.3% | 74,706 | -8.4% | 0.00% | -33.3% |
| Q4 2022 | $4,911,158 | +20.5% | 81,513 | +18.9% | 0.01% | +20.0% |
| Q3 2022 | $4,076,000 | +34.5% | 68,539 | -38.6% | 0.01% | +25.0% |
| Q2 2022 | $3,031,000 | -35.8% | 111,641 | -13.6% | 0.00% | 0.0% |
| Q1 2022 | $4,723,000 | -41.4% | 129,141 | -20.9% | 0.00% | -42.9% |
| Q4 2021 | $8,063,000 | -10.8% | 163,217 | +28.6% | 0.01% | -22.2% |
| Q3 2021 | $9,039,000 | +47.0% | 126,894 | +3.4% | 0.01% | +50.0% |
| Q2 2021 | $6,151,000 | +210.3% | 122,769 | +55.6% | 0.01% | +200.0% |
| Q1 2021 | $1,982,000 | – | 78,888 | – | 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% |