PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 194 filers reported holding PROTHENA CORP PLC in Q2 2023. The put-call ratio across all filers is 1.55 and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2023 | $20,146,492 | +78.7% | 295,057 | +26.8% | 0.62% | +80.8% |
| Q1 2023 | $11,275,479 | -6.4% | 232,628 | +16.4% | 0.34% | -6.8% |
| Q4 2022 | $12,045,542 | +40.8% | 199,926 | +41.7% | 0.37% | +31.9% |
| Q3 2022 | $8,555,000 | +97.8% | 141,108 | -11.4% | 0.28% | +88.5% |
| Q2 2022 | $4,326,000 | -4.7% | 159,325 | +28.4% | 0.15% | +31.0% |
| Q1 2022 | $4,539,000 | +1.9% | 124,106 | +37.6% | 0.11% | +22.8% |
| Q4 2021 | $4,455,000 | +38.1% | 90,179 | +99.1% | 0.09% | +50.8% |
| Q3 2021 | $3,227,000 | +80.8% | 45,304 | +33.7% | 0.06% | +19.6% |
| Q2 2015 | $1,785,000 | +38.1% | 33,894 | 0.0% | 0.05% | +37.8% |
| Q1 2015 | $1,293,000 | +83.7% | 33,894 | 0.0% | 0.04% | +76.2% |
| Q4 2014 | $704,000 | -6.3% | 33,894 | 0.0% | 0.02% | -8.7% |
| Q3 2014 | $751,000 | -1.7% | 33,894 | 0.0% | 0.02% | +4.5% |
| Q2 2014 | $764,000 | -41.1% | 33,894 | 0.0% | 0.02% | -37.1% |
| Q1 2014 | $1,298,000 | +44.4% | 33,894 | 0.0% | 0.04% | +52.2% |
| Q4 2013 | $899,000 | +31.0% | 33,894 | 0.0% | 0.02% | +27.8% |
| Q3 2013 | $686,000 | +42.0% | 33,894 | -9.4% | 0.02% | +28.6% |
| Q2 2013 | $483,000 | – | 37,394 | – | 0.01% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| EcoR1 Capital, LLC | 11,584,280 | $790,974,638 | 19.38% |
| Palo Alto Investors LP | 1,657,458 | $113,171,232 | 9.14% |
| First Light Asset Management, LLC | 1,500,129 | $102,428,808 | 8.03% |
| Birchview Capital, LP | 156,111 | $10,659,259 | 7.99% |
| Finepoint Capital LP | 317,300 | $21,665,244 | 7.50% |
| DCF Advisers, LLC | 84,750 | $5,786,730 | 3.06% |
| Prosight Management, LP | 240,000 | $16,387,200 | 2.46% |
| Affinity Asset Advisors, LLC | 100,000 | $6,828,000 | 2.38% |
| PFM Health Sciences, LP | 774,546 | $52,886,001 | 2.05% |
| SECTORAL ASSET MANAGEMENT INC | 151,848 | $10,368,181 | 1.73% |