PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 193 filers reported holding PROTHENA CORP PLC in Q3 2021. The put-call ratio across all filers is 0.62 and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $14,234 | -30.7% | 295 | -2.0% | 0.00% | -100.0% |
| Q2 2023 | $20,552 | +43.7% | 301 | +2.0% | 0.00% | – |
| Q1 2023 | $14,299 | -30.2% | 295 | -13.2% | 0.00% | -100.0% |
| Q4 2022 | $20,485 | -21.2% | 340 | -19.8% | 0.00% | 0.0% |
| Q3 2022 | $26,000 | +136.4% | 424 | +1.0% | 0.00% | – |
| Q2 2022 | $11,000 | -26.7% | 420 | 0.0% | 0.00% | – |
| Q1 2022 | $15,000 | -28.6% | 420 | 0.0% | 0.00% | -100.0% |
| Q4 2021 | $21,000 | -30.0% | 420 | 0.0% | 0.00% | 0.0% |
| Q3 2021 | $30,000 | -6.2% | 420 | -33.1% | 0.00% | 0.0% |
| Q2 2021 | $32,000 | +88.2% | 628 | -5.7% | 0.00% | 0.0% |
| Q1 2021 | $17,000 | +112.5% | 666 | +6.6% | 0.00% | – |
| Q4 2020 | $8,000 | +33.3% | 625 | 0.0% | 0.00% | – |
| Q3 2020 | $6,000 | -14.3% | 625 | 0.0% | 0.00% | – |
| Q2 2020 | $7,000 | – | 625 | +15525.0% | 0.00% | – |
| Q2 2019 | $0 | – | 4 | 0.0% | 0.00% | – |
| Q1 2019 | $0 | – | 4 | 0.0% | 0.00% | – |
| Q4 2018 | $0 | – | 4 | 0.0% | 0.00% | – |
| Q3 2018 | $0 | – | 4 | 0.0% | 0.00% | – |
| Q2 2018 | $0 | – | 4 | 0.0% | 0.00% | – |
| Q1 2018 | $0 | – | 4 | 0.0% | 0.00% | – |
| Q3 2016 | $0 | – | 4 | 0.0% | 0.00% | – |
| Q2 2016 | $0 | – | 4 | 0.0% | 0.00% | – |
| Q1 2016 | $0 | – | 4 | 0.0% | 0.00% | – |
| Q4 2015 | $0 | – | 4 | 0.0% | 0.00% | – |
| Q3 2015 | $0 | – | 4 | 0.0% | 0.00% | – |
| Q2 2015 | $0 | – | 4 | -50.0% | 0.00% | – |
| Q1 2015 | $0 | – | 8 | 0.0% | 0.00% | – |
| Q4 2014 | $0 | – | 8 | 0.0% | 0.00% | – |
| Q3 2014 | $0 | – | 8 | 0.0% | 0.00% | – |
| Q2 2014 | $0 | – | 8 | 0.0% | 0.00% | – |
| Q1 2014 | $0 | -100.0% | 8 | -93.9% | 0.00% | -100.0% |
| Q4 2013 | $4,000 | +33.3% | 132 | 0.0% | 0.00% | 0.0% |
| Q3 2013 | $3,000 | +50.0% | 132 | 0.0% | 0.00% | 0.0% |
| Q2 2013 | $2,000 | – | 132 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Woodford Investment Management Ltd | 10,304,751 | $360,254,000 | 16.93% |
| Palo Alto Investors LP | 788,618 | $27,570,000 | 2.08% |
| Redmile Group, LLC | 487,406 | $17,040,000 | 1.63% |
| TURNER INVESTMENTS LLC | 78,870 | $2,757,000 | 0.86% |
| Rock Springs Capital Management LP | 308,000 | $10,768,000 | 0.80% |
| SECTORAL ASSET MANAGEMENT INC | 174,746 | $6,109,000 | 0.63% |
| BB BIOTECH AG | 350,000 | $12,236,000 | 0.48% |
| MARINER INVESTMENT GROUP LLC | 33,104 | $1,157,000 | 0.39% |
| PINNACLE ASSOCIATES LTD | 436,417 | $15,257,000 | 0.33% |
| OAK RIDGE INVESTMENTS LLC | 364,250 | $12,734,000 | 0.33% |