PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 151 filers reported holding PROTHENA CORP PLC in Q1 2017. The put-call ratio across all filers is 2.05 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2023 | $4,610,929 | +566.3% | 66,767 | +168.2% | 0.00% | – |
| Q2 2022 | $692,000 | -61.6% | 24,893 | -47.6% | 0.00% | -100.0% |
| Q1 2022 | $1,800,000 | -20.9% | 47,546 | 0.0% | 0.00% | 0.0% |
| Q4 2021 | $2,276,000 | +46.3% | 47,546 | +120.9% | 0.00% | 0.0% |
| Q3 2021 | $1,556,000 | +2781.5% | 21,525 | +835.9% | 0.00% | – |
| Q1 2021 | $54,000 | -34.1% | 2,300 | -62.9% | 0.00% | – |
| Q4 2020 | $82,000 | +141.2% | 6,197 | +102.1% | 0.00% | – |
| Q3 2020 | $34,000 | -32.0% | 3,067 | -25.2% | 0.00% | – |
| Q2 2020 | $50,000 | +194.1% | 4,100 | +178.5% | 0.00% | – |
| Q1 2020 | $17,000 | -83.5% | 1,472 | -77.5% | 0.00% | – |
| Q4 2019 | $103,000 | +267.9% | 6,555 | +85.2% | 0.00% | – |
| Q3 2019 | $28,000 | -22.2% | 3,540 | +3.9% | 0.00% | – |
| Q2 2019 | $36,000 | +300.0% | 3,406 | +309.9% | 0.00% | – |
| Q4 2018 | $9,000 | +28.6% | 831 | +53.6% | 0.00% | – |
| Q3 2018 | $7,000 | -97.7% | 541 | -97.4% | 0.00% | – |
| Q2 2018 | $300,000 | +3650.0% | 20,549 | +8992.5% | 0.00% | – |
| Q1 2018 | $8,000 | -11.1% | 226 | -8.5% | 0.00% | – |
| Q4 2017 | $9,000 | -92.6% | 247 | -86.7% | 0.00% | – |
| Q3 2017 | $121,000 | +21.0% | 1,858 | 0.0% | 0.00% | – |
| Q2 2017 | $100,000 | +2.0% | 1,858 | +6.7% | 0.00% | – |
| Q1 2017 | $98,000 | -3.9% | 1,741 | 0.0% | 0.00% | – |
| Q4 2016 | $102,000 | +6.2% | 1,741 | +8.8% | 0.00% | – |
| Q3 2016 | $96,000 | +71.4% | 1,600 | 0.0% | 0.00% | – |
| Q2 2016 | $56,000 | -17.6% | 1,600 | -3.7% | 0.00% | – |
| Q1 2016 | $68,000 | -70.6% | 1,662 | -51.0% | 0.00% | – |
| Q4 2015 | $231,000 | +2787.5% | 3,394 | +1920.2% | 0.00% | – |
| Q3 2015 | $8,000 | -11.1% | 168 | 0.0% | 0.00% | – |
| Q2 2015 | $9,000 | -91.7% | 168 | -94.1% | 0.00% | – |
| Q1 2015 | $108,000 | +68.8% | 2,827 | -8.7% | 0.00% | – |
| Q4 2014 | $64,000 | +1.6% | 3,097 | +9.3% | 0.00% | – |
| Q3 2014 | $63,000 | +600.0% | 2,833 | +611.8% | 0.00% | – |
| Q2 2014 | $9,000 | +200.0% | 398 | +452.8% | 0.00% | – |
| Q1 2014 | $3,000 | +200.0% | 72 | +50.0% | 0.00% | – |
| Q4 2013 | $1,000 | 0.0% | 48 | 0.0% | 0.00% | – |
| Q3 2013 | $1,000 | 0.0% | 48 | 0.0% | 0.00% | – |
| Q2 2013 | $1,000 | – | 48 | – | 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% |