PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 139 filers reported holding PROTHENA CORP PLC in Q1 2019. The put-call ratio across all filers is 42.41 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2022 | $0 | -100.0% | 16 | 0.0% | 0.00% | – |
| Q1 2022 | $1,000 | 0.0% | 16 | 0.0% | 0.00% | – |
| Q4 2021 | $1,000 | -97.3% | 16 | -97.0% | 0.00% | -100.0% |
| Q3 2021 | $37,681 | +38.6% | 529 | 0.0% | 0.00% | +100.0% |
| Q2 2021 | $27,196 | +104.7% | 529 | 0.0% | 0.00% | 0.0% |
| Q1 2021 | $13,288 | +3718.4% | 529 | +1724.1% | 0.00% | – |
| Q4 2020 | $348 | +20.0% | 29 | 0.0% | 0.00% | – |
| Q3 2020 | $290 | -97.4% | 29 | -97.3% | 0.00% | -100.0% |
| Q2 2020 | $11,140 | -3.1% | 1,065 | -0.8% | 0.00% | 0.0% |
| Q1 2020 | $11,492 | -42.8% | 1,074 | -15.4% | 0.00% | -50.0% |
| Q4 2019 | $20,088 | +101.9% | 1,269 | 0.0% | 0.00% | +100.0% |
| Q3 2019 | $9,949 | -25.8% | 1,269 | 0.0% | 0.00% | 0.0% |
| Q2 2019 | $13,413 | -12.9% | 1,269 | 0.0% | 0.00% | -50.0% |
| Q1 2019 | $15,393 | +17.8% | 1,269 | 0.0% | 0.00% | 0.0% |
| Q4 2018 | $13,071 | -21.3% | 1,269 | 0.0% | 0.00% | 0.0% |
| Q3 2018 | $16,599 | -10.3% | 1,269 | 0.0% | 0.00% | 0.0% |
| Q2 2018 | $18,502 | +51.4% | 1,269 | +281.1% | 0.00% | +100.0% |
| Q1 2018 | $12,224 | +39.9% | 333 | +42.9% | 0.00% | 0.0% |
| Q4 2017 | $8,735 | -59.5% | 233 | -30.0% | 0.00% | -66.7% |
| Q3 2017 | $21,568 | – | 333 | – | 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% |