PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 157 filers reported holding PROTHENA CORP PLC in Q2 2021. The put-call ratio across all filers is 0.47 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $1,907,033 | -28.0% | 39,524 | +1.9% | 0.02% | -30.4% |
| Q2 2023 | $2,647,625 | +57.7% | 38,776 | +12.0% | 0.02% | +53.3% |
| Q1 2023 | $1,678,710 | -15.0% | 34,634 | +5.7% | 0.02% | -16.7% |
| Q4 2022 | $1,974,754 | +27.2% | 32,776 | +28.1% | 0.02% | +20.0% |
| Q3 2022 | $1,552,000 | +105.8% | 25,590 | -7.9% | 0.02% | +114.3% |
| Q2 2022 | $754,000 | -57.0% | 27,770 | -42.1% | 0.01% | -63.2% |
| Q1 2022 | $1,755,000 | -34.1% | 47,982 | -11.0% | 0.02% | -36.7% |
| Q4 2021 | $2,664,000 | -32.2% | 53,918 | -2.3% | 0.03% | -21.1% |
| Q3 2021 | $3,932,000 | +32.1% | 55,206 | -4.6% | 0.04% | +46.2% |
| Q2 2021 | $2,976,000 | +64.1% | 57,880 | -19.9% | 0.03% | +44.4% |
| Q1 2021 | $1,814,000 | +109.5% | 72,217 | +0.1% | 0.02% | +80.0% |
| Q4 2020 | $866,000 | – | 72,138 | – | 0.01% | – |
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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% |