PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 142 filers reported holding PROTHENA CORP PLC in Q2 2020. The put-call ratio across all filers is 716.50 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $1,171,000 | +370.3% | 23,711 | +578.2% | 0.00% | – |
| Q3 2021 | $249,000 | -84.8% | 3,496 | -94.6% | 0.00% | -100.0% |
| Q1 2021 | $1,634,000 | +46.9% | 65,119 | -29.7% | 0.00% | +50.0% |
| Q4 2020 | $1,112,000 | +15.8% | 92,656 | -3.8% | 0.00% | 0.0% |
| Q3 2020 | $960,000 | -17.7% | 96,293 | -13.8% | 0.00% | -33.3% |
| Q2 2020 | $1,166,000 | +16.7% | 111,734 | +19.5% | 0.00% | 0.0% |
| Q1 2020 | $999,000 | -21.6% | 93,518 | +16.0% | 0.00% | +50.0% |
| Q4 2019 | $1,275,000 | +197.9% | 80,613 | +47.6% | 0.00% | +100.0% |
| Q3 2019 | $428,000 | -36.2% | 54,600 | -14.0% | 0.00% | 0.0% |
| Q2 2019 | $671,000 | -29.8% | 63,464 | -19.5% | 0.00% | -50.0% |
| Q1 2019 | $956,000 | +61.2% | 78,851 | +37.0% | 0.00% | +100.0% |
| Q4 2018 | $593,000 | -12.3% | 57,550 | +11.3% | 0.00% | 0.0% |
| Q3 2018 | $676,000 | +44.8% | 51,711 | +61.3% | 0.00% | 0.0% |
| Q2 2018 | $467,000 | -60.3% | 32,064 | 0.0% | 0.00% | -50.0% |
| Q1 2018 | $1,177,000 | +40.1% | 32,064 | +45.0% | 0.00% | +100.0% |
| Q4 2017 | $840,000 | -65.2% | 22,109 | -40.8% | 0.00% | -75.0% |
| Q3 2017 | $2,417,000 | +31.8% | 37,325 | +10.2% | 0.00% | +33.3% |
| Q2 2017 | $1,834,000 | +173.3% | 33,876 | +181.6% | 0.00% | +200.0% |
| Q1 2017 | $671,000 | +27.1% | 12,030 | +12.8% | 0.00% | 0.0% |
| Q4 2016 | $528,000 | – | 10,661 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| EcoR1 Capital, LLC | 11,584,280 | $702,355,000 | 20.73% |
| Prosight Management, LP | 321,093 | $19,468,000 | 10.43% |
| First Light Asset Management, LLC | 1,538,678 | $93,290,000 | 9.44% |
| Palo Alto Investors LP | 1,649,777 | $100,026,000 | 7.91% |
| Finepoint Capital LP | 305,400 | $18,516,000 | 6.09% |
| Birchview Capital, LP | 118,945 | $7,212,000 | 5.08% |
| DCF Advisers, LLC | 68,000 | $4,123,000 | 2.66% |
| Avidity Partners Management LP | 1,967,000 | $119,259,000 | 2.42% |
| SILVERARC CAPITAL MANAGEMENT, LLC | 110,000 | $6,669,000 | 2.26% |
| DCF Advisers, LLC | 52,500 | $3,183,000 | 2.06% |