PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 138 filers reported holding PROTHENA CORP PLC in Q2 2019. The put-call ratio across all filers is 0.81 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2022 | $1,793,763 | -100.0% | 29,772 | -78.3% | 0.01% | -64.7% |
| Q2 2022 | $3,733,016,000 | -15.2% | 137,496 | +14.2% | 0.03% | -5.6% |
| Q1 2022 | $4,402,772,000 | +71.2% | 120,393 | +131.2% | 0.04% | +89.5% |
| Q4 2021 | $2,571,912,000 | +698789.1% | 52,063 | +10.8% | 0.02% | +533.3% |
| Q3 2019 | $368,000 | -23.5% | 47,000 | +3.3% | 0.00% | -25.0% |
| Q2 2019 | $481,000 | +45.8% | 45,500 | +417.0% | 0.00% | +100.0% |
| Q4 2017 | $330,000 | -1.2% | 8,800 | +29.4% | 0.00% | -33.3% |
| Q4 2016 | $334,000 | +4.4% | 6,800 | -55.8% | 0.00% | -25.0% |
| Q4 2014 | $320,000 | -46.0% | 15,400 | -41.4% | 0.00% | -33.3% |
| Q2 2014 | $593,000 | – | 26,300 | – | 0.01% | – |
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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% |