PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 148 filers reported holding PROTHENA CORP PLC in Q3 2016. The put-call ratio across all filers is 4.25 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $1,720,000 | -64.9% | 47,032 | -52.6% | 0.00% | -66.7% |
| Q4 2021 | $4,897,000 | -44.7% | 99,138 | -20.2% | 0.00% | -40.0% |
| Q3 2021 | $8,848,000 | +83.3% | 124,221 | +32.3% | 0.01% | +66.7% |
| Q2 2021 | $4,826,000 | +217.7% | 93,877 | +55.2% | 0.00% | +200.0% |
| Q1 2021 | $1,519,000 | +110.1% | 60,471 | +0.5% | 0.00% | – |
| Q4 2020 | $723,000 | -21.4% | 60,184 | -34.6% | 0.00% | -100.0% |
| Q3 2020 | $920,000 | +30.1% | 92,059 | +36.2% | 0.00% | 0.0% |
| Q2 2020 | $707,000 | -25.3% | 67,602 | -23.5% | 0.00% | 0.0% |
| Q1 2020 | $946,000 | -16.7% | 88,407 | +23.3% | 0.00% | 0.0% |
| Q4 2019 | $1,135,000 | +266.1% | 71,693 | +81.1% | 0.00% | – |
| Q3 2019 | $310,000 | -35.7% | 39,589 | -13.2% | 0.00% | – |
| Q2 2019 | $482,000 | +34.6% | 45,617 | +54.5% | 0.00% | – |
| Q1 2019 | $358,000 | +46.7% | 29,534 | +24.8% | 0.00% | – |
| Q4 2018 | $244,000 | +15.6% | 23,666 | +46.5% | 0.00% | – |
| Q3 2018 | $211,000 | +31.9% | 16,153 | +47.1% | 0.00% | – |
| Q2 2018 | $160,000 | -67.7% | 10,982 | -18.7% | 0.00% | – |
| Q1 2018 | $496,000 | +14.0% | 13,514 | +16.4% | 0.00% | – |
| Q4 2017 | $435,000 | -74.0% | 11,608 | -55.1% | 0.00% | -100.0% |
| Q3 2017 | $1,673,000 | +69.2% | 25,828 | +41.4% | 0.00% | +100.0% |
| Q2 2017 | $989,000 | -33.8% | 18,268 | -31.8% | 0.00% | -50.0% |
| Q1 2017 | $1,494,000 | +12.6% | 26,774 | -0.7% | 0.00% | 0.0% |
| Q4 2016 | $1,327,000 | +80.3% | 26,970 | +119.9% | 0.00% | +100.0% |
| Q3 2016 | $736,000 | +184.2% | 12,267 | +65.6% | 0.00% | – |
| Q2 2016 | $259,000 | -81.9% | 7,406 | -78.7% | 0.00% | -100.0% |
| Q1 2016 | $1,431,000 | +148.9% | 34,761 | +311.5% | 0.00% | +100.0% |
| Q4 2015 | $575,000 | +44.5% | 8,447 | -3.7% | 0.00% | 0.0% |
| Q3 2015 | $398,000 | -15.0% | 8,774 | -1.2% | 0.00% | 0.0% |
| Q2 2015 | $468,000 | +99.1% | 8,884 | +44.3% | 0.00% | – |
| Q1 2015 | $235,000 | – | 6,155 | – | 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% |