PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 196 filers reported holding PROTHENA CORP PLC in Q4 2021. The put-call ratio across all filers is 0.55 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2023 | $243,760 | +5.4% | 3,570 | -7.0% | 0.01% | -13.3% |
| Q4 2022 | $231,360 | -46.1% | 3,840 | -45.8% | 0.02% | -50.0% |
| Q3 2022 | $429,000 | +73.7% | 7,082 | -22.0% | 0.03% | +76.5% |
| Q2 2022 | $247,000 | +2.5% | 9,082 | +38.0% | 0.02% | +21.4% |
| Q1 2022 | $241,000 | -13.3% | 6,582 | +68.5% | 0.01% | -17.6% |
| Q3 2021 | $278,000 | +16.3% | 3,906 | -15.9% | 0.02% | +13.3% |
| Q2 2021 | $239,000 | – | 4,647 | – | 0.02% | – |
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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% |