PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 158 filers reported holding PROTHENA CORP PLC in Q4 2017. The put-call ratio across all filers is 0.87 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2024 | $36,141 | +1022.4% | 1,751 | +1246.9% | 0.00% | – |
| Q1 2024 | $3,220 | -76.8% | 130 | -66.0% | 0.00% | – |
| Q4 2023 | $13,881 | -98.8% | 382 | -98.4% | 0.00% | -100.0% |
| 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 | 9,426,640 | $73,905,000 | 9.33% |
| GREAT POINT PARTNERS LLC | 2,066,041 | $16,198,000 | 1.49% |
| LONESTAR CAPITAL MANAGEMENT LLC | 300,000 | $2,352,000 | 0.78% |
| TANG CAPITAL MANAGEMENT LLC | 423,823 | $3,323,000 | 0.57% |
| Palo Alto Investors LP | 1,004,449 | $7,875,000 | 0.52% |
| Orbimed Advisors | 3,022,117 | $23,693,000 | 0.45% |
| Kerrisdale Advisers, LLC | 61,640 | $483,000 | 0.30% |
| Endurant Capital Management LP | 86,407 | $677,000 | 0.24% |
| Campbell & CO Investment Adviser LLC | 47,901 | $376,000 | 0.14% |
| Boxer Capital, LLC | 79,598 | $624,000 | 0.04% |