PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 141 filers reported holding PROTHENA CORP PLC in Q3 2020. The put-call ratio across all filers is 1.19 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $496,000 | -76.0% | 13,556 | -67.6% | 0.00% | -100.0% |
| Q4 2021 | $2,068,000 | -32.0% | 41,858 | -2.0% | 0.00% | 0.0% |
| Q3 2021 | $3,042,000 | +36.8% | 42,706 | -1.3% | 0.00% | 0.0% |
| Q2 2021 | $2,224,000 | +20.7% | 43,268 | -41.0% | 0.00% | 0.0% |
| Q1 2021 | $1,842,000 | +41.3% | 73,339 | -32.5% | 0.00% | – |
| Q4 2020 | $1,304,000 | +49.7% | 108,594 | +24.5% | 0.00% | – |
| Q3 2020 | $871,000 | – | 87,221 | – | 0.00% | – |
Download | ||||||
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% |