PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 201 filers reported holding PROTHENA CORP PLC in Q4 2022. The put-call ratio across all filers is 0.29 and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $552 | +75.8% | 11,459 | +76.7% | 0.01% | +50.0% |
| Q1 2023 | $314 | -100.0% | 6,485 | -47.5% | 0.00% | -50.0% |
| Q3 2022 | $749,000 | +270.8% | 12,363 | -26.6% | 0.01% | +100.0% |
| Q4 2020 | $202,000 | -40.2% | 16,845 | -50.3% | 0.00% | -60.0% |
| Q3 2020 | $338,000 | +55.8% | 33,877 | +146.7% | 0.01% | +11.1% |
| Q4 2019 | $217,000 | +178.2% | 13,732 | +37.1% | 0.01% | +125.0% |
| Q3 2019 | $78,000 | – | 10,014 | – | 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% |