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 | ||||
|---|---|---|---|---|---|---|
| Q1 2024 | $4,904 | +70.8% | 198 | +150.6% | 0.00% | – |
| Q4 2023 | $2,871 | +1387.6% | 79 | +1875.0% | 0.00% | – |
| Q3 2023 | $193 | -29.3% | 4 | 0.0% | 0.00% | – |
| Q2 2023 | $273 | +40.7% | 4 | 0.0% | 0.00% | – |
| Q1 2023 | $194 | -95.6% | 4 | -94.5% | 0.00% | – |
| Q4 2022 | $4,398 | +10.0% | 73 | 0.0% | 0.00% | – |
| Q3 2022 | $4,000 | +100.0% | 73 | 0.0% | 0.00% | – |
| Q2 2022 | $2,000 | -33.3% | 73 | 0.0% | 0.00% | – |
| Q1 2022 | $3,000 | -25.0% | 73 | 0.0% | 0.00% | – |
| Q4 2021 | $4,000 | -20.0% | 73 | 0.0% | 0.00% | – |
| Q3 2021 | $5,000 | +25.0% | 73 | 0.0% | 0.00% | – |
| Q2 2021 | $4,000 | +100.0% | 73 | 0.0% | 0.00% | – |
| Q1 2021 | $2,000 | – | 73 | 0.0% | 0.00% | – |
| Q4 2020 | $0 | – | 73 | 0.0% | 0.00% | – |
| Q3 2020 | $0 | – | 73 | 0.0% | 0.00% | – |
| Q2 2020 | $0 | – | 73 | 0.0% | 0.00% | – |
| Q1 2020 | $0 | -100.0% | 73 | 0.0% | 0.00% | – |
| Q4 2019 | $1,000 | – | 73 | 0.0% | 0.00% | – |
| Q3 2019 | $0 | – | 73 | 0.0% | 0.00% | – |
| Q2 2019 | $0 | – | 73 | 0.0% | 0.00% | – |
| Q1 2019 | $0 | – | 73 | 0.0% | 0.00% | – |
| Q4 2018 | $0 | – | 73 | 0.0% | 0.00% | – |
| Q3 2018 | $0 | -100.0% | 73 | 0.0% | 0.00% | – |
| Q2 2018 | $1,000 | -66.7% | 73 | 0.0% | 0.00% | – |
| Q1 2018 | $3,000 | 0.0% | 73 | 0.0% | 0.00% | – |
| Q4 2017 | $3,000 | -40.0% | 73 | 0.0% | 0.00% | – |
| Q3 2017 | $5,000 | +25.0% | 73 | 0.0% | 0.00% | – |
| Q2 2017 | $4,000 | 0.0% | 73 | 0.0% | 0.00% | – |
| Q1 2017 | $4,000 | 0.0% | 73 | 0.0% | 0.00% | – |
| Q4 2016 | $4,000 | 0.0% | 73 | 0.0% | 0.00% | – |
| Q3 2016 | $4,000 | +33.3% | 73 | 0.0% | 0.00% | – |
| Q2 2016 | $3,000 | 0.0% | 73 | 0.0% | 0.00% | – |
| Q1 2016 | $3,000 | -40.0% | 73 | 0.0% | 0.00% | – |
| Q4 2015 | $5,000 | +66.7% | 73 | 0.0% | 0.00% | – |
| Q3 2015 | $3,000 | -25.0% | 73 | 0.0% | 0.00% | – |
| Q2 2015 | $4,000 | +33.3% | 73 | 0.0% | 0.00% | – |
| Q1 2015 | $3,000 | +50.0% | 73 | 0.0% | 0.00% | – |
| Q4 2014 | $2,000 | 0.0% | 73 | 0.0% | 0.00% | – |
| Q4 2013 | $2,000 | +100.0% | 73 | 0.0% | 0.00% | – |
| Q3 2013 | $1,000 | – | 73 | -28.4% | 0.00% | – |
| Q2 2013 | $0 | – | 102 | 0.0% | 0.00% | – |
| Q1 2013 | $0 | – | 102 | +183.3% | 0.00% | – |
| Q4 2012 | $0 | – | 36 | – | 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% |