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 2022 | $1,598,000 | +43.2% | 26,366 | -35.8% | 1.59% | +57.8% |
| Q2 2022 | $1,116,000 | -26.9% | 41,092 | -1.5% | 1.01% | -3.3% |
| Q1 2022 | $1,526,000 | -16.8% | 41,735 | +12.5% | 1.04% | -13.4% |
| Q4 2021 | $1,834,000 | +3.6% | 37,112 | +49.4% | 1.20% | +6.9% |
| Q3 2021 | $1,770,000 | +7.3% | 24,849 | -22.6% | 1.13% | +6.8% |
| Q2 2021 | $1,650,000 | +42.2% | 32,104 | -30.5% | 1.05% | +34.1% |
| Q1 2021 | $1,160,000 | +24.1% | 46,188 | -40.6% | 0.79% | +26.4% |
| Q4 2020 | $935,000 | – | 77,813 | – | 0.62% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| EcoR1 Capital, LLC | 11,584,280 | $697,952,870 | 21.24% |
| Prosight Management, LP | 330,000 | $19,882,500 | 10.84% |
| First Light Asset Management, LLC | 1,535,599 | $92,519,840 | 8.59% |
| Palo Alto Investors LP | 1,658,577 | $99,929,264 | 8.52% |
| Finepoint Capital LP | 322,900 | $19,455 | 6.29% |
| Birchview Capital, LP | 127,195 | $7,663 | 5.41% |
| Avidity Partners Management LP | 2,953,000 | $177,918,250 | 3.85% |
| DCF Advisers, LLC | 74,100 | $4,464,525 | 3.02% |
| PFM Health Sciences, LP | 875,464 | $52,746,706 | 1.89% |
| SECTORAL ASSET MANAGEMENT INC | 115,200 | $6,940,800 | 1.34% |