PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 197 filers reported holding PROTHENA CORP PLC in Q2 2023. The put-call ratio across all filers is 1.55 and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $1,510,225 | -40.9% | 31,300 | -16.3% | 0.14% | -41.3% |
| Q2 2023 | $2,553,672 | -18.9% | 37,400 | -42.5% | 0.24% | -13.0% |
| Q1 2023 | $3,150,550 | -32.5% | 65,000 | -16.1% | 0.27% | -31.6% |
| Q4 2022 | $4,669,375 | +1.1% | 77,500 | -17.1% | 0.40% | +27.8% |
| Q4 2021 | $4,619,000 | -30.6% | 93,500 | 0.0% | 0.31% | -39.9% |
| Q3 2021 | $6,660,000 | +150.1% | 93,500 | +80.5% | 0.51% | +142.5% |
| Q2 2021 | $2,663,000 | – | 51,800 | – | 0.21% | – |
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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% |