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 | ||||
|---|---|---|---|---|---|---|
| Q4 2022 | $513,752 | +0.5% | 8,527 | +1.2% | 0.12% | +6.0% |
| Q3 2022 | $511,000 | -14.5% | 8,423 | +0.3% | 0.12% | -40.5% |
| Q3 2021 | $598,000 | +54.1% | 8,400 | -77.3% | 0.20% | -60.3% |
| Q2 2020 | $388,000 | +3.2% | 37,046 | -22.7% | 0.49% | +245.8% |
| Q3 2019 | $376,000 | +74.9% | 47,901 | +136.0% | 0.14% | +44.9% |
| Q2 2019 | $215,000 | – | 20,300 | – | 0.10% | – |
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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% |