PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 141 filers reported holding PROTHENA CORP PLC in Q4 2019. The put-call ratio across all filers is 0.03 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2020 | $1,785,000 | -37.7% | 178,688 | -34.7% | 0.32% | +16.2% |
| Q2 2020 | $2,864,000 | -36.8% | 273,823 | -35.4% | 0.28% | -56.4% |
| Q1 2020 | $4,535,000 | -32.4% | 423,823 | 0.0% | 0.64% | -20.6% |
| Q4 2019 | $6,709,000 | +101.9% | 423,823 | 0.0% | 0.80% | +40.9% |
| Q3 2019 | $3,323,000 | -2.9% | 423,823 | +30.9% | 0.57% | +22.9% |
| Q2 2019 | $3,423,000 | -12.9% | 323,823 | 0.0% | 0.46% | -36.0% |
| Q1 2019 | $3,928,000 | +701.6% | 323,823 | +580.2% | 0.72% | +546.4% |
| Q4 2018 | $490,000 | – | 47,610 | – | 0.11% | – |
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% |