PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 143 filers reported holding PROTHENA CORP PLC in Q2 2016. The put-call ratio across all filers is 2.21 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2022 | $251,062 | -91.1% | 4,167 | -98.4% | 0.00% | -100.0% |
| Q2 2019 | $2,831,000 | +13.4% | 267,821 | +30.2% | 0.00% | 0.0% |
| Q1 2019 | $2,496,000 | +1123.5% | 205,756 | +940.7% | 0.00% | – |
| Q4 2018 | $204,000 | -83.7% | 19,771 | -40.8% | 0.00% | -100.0% |
| Q4 2017 | $1,251,000 | -19.4% | 33,377 | +39.2% | 0.00% | -50.0% |
| Q3 2017 | $1,553,000 | +39.4% | 23,982 | +16.5% | 0.00% | +100.0% |
| Q2 2017 | $1,114,000 | -12.5% | 20,584 | -9.8% | 0.00% | 0.0% |
| Q1 2017 | $1,273,000 | -33.3% | 22,819 | -41.2% | 0.00% | -50.0% |
| Q4 2016 | $1,909,000 | -25.9% | 38,807 | -9.6% | 0.00% | -33.3% |
| Q3 2016 | $2,575,000 | +53.0% | 42,944 | -10.8% | 0.00% | +50.0% |
| Q2 2016 | $1,683,000 | -2.3% | 48,151 | +15.0% | 0.00% | 0.0% |
| Q1 2016 | $1,723,000 | -38.4% | 41,861 | +2.0% | 0.00% | -33.3% |
| Q4 2015 | $2,796,000 | +105.4% | 41,054 | +36.8% | 0.00% | +50.0% |
| Q3 2015 | $1,361,000 | -58.1% | 30,011 | -64.7% | 0.00% | -50.0% |
| Q1 2015 | $3,246,000 | -18.8% | 85,113 | -55.8% | 0.00% | -20.0% |
| Q4 2014 | $3,997,000 | +3.1% | 192,555 | +10.1% | 0.01% | 0.0% |
| Q3 2014 | $3,875,000 | +155.4% | 174,865 | +159.9% | 0.01% | +150.0% |
| Q2 2014 | $1,517,000 | – | 67,294 | – | 0.00% | – |
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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% |