PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 175 filers reported holding PROTHENA CORP PLC in Q1 2022. The put-call ratio across all filers is 0.32 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $2,842 | -29.3% | 58,900 | 0.0% | 0.02% | -27.3% |
| Q2 2023 | $4,022 | +59.6% | 58,900 | +13.3% | 0.02% | +46.7% |
| Q1 2023 | $2,520 | -19.6% | 52,000 | 0.0% | 0.02% | -25.0% |
| Q4 2022 | $3,133 | -99.9% | 52,000 | -39.3% | 0.02% | -42.9% |
| Q3 2022 | $5,196,000 | +50.1% | 85,700 | -32.8% | 0.04% | +59.1% |
| Q2 2022 | $3,462,000 | -3.8% | 127,500 | +29.6% | 0.02% | +10.0% |
| Q1 2022 | $3,598,000 | -26.0% | 98,400 | 0.0% | 0.02% | -16.7% |
| Q4 2021 | $4,861,000 | -37.8% | 98,400 | -10.3% | 0.02% | -41.5% |
| Q3 2021 | $7,814,000 | +52.4% | 109,700 | +10.0% | 0.04% | +51.9% |
| Q2 2021 | $5,126,000 | +216.6% | 99,700 | +298.8% | 0.03% | +35.0% |
| Q3 2017 | $1,619,000 | +19.7% | 25,000 | 0.0% | 0.02% | -42.9% |
| Q2 2017 | $1,353,000 | -3.0% | 25,000 | 0.0% | 0.04% | -10.3% |
| Q1 2017 | $1,395,000 | +49.2% | 25,000 | +31.6% | 0.04% | +34.5% |
| Q4 2016 | $935,000 | – | 19,000 | – | 0.03% | – |
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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% |