PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 141 filers reported holding PROTHENA CORP PLC in Q3 2020. The put-call ratio across all filers is 1.19 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $6,089,247 | -62.8% | 126,202 | -47.4% | 1.93% | -21.4% |
| Q2 2023 | $16,387,200 | -24.4% | 240,000 | -46.3% | 2.46% | -76.1% |
| Q1 2023 | $21,670,549 | +9.0% | 447,092 | +35.5% | 10.27% | -5.3% |
| Q4 2022 | $19,882,500 | +2.1% | 330,000 | +2.8% | 10.84% | +4.0% |
| Q3 2022 | $19,468,000 | +30.4% | 321,093 | -41.6% | 10.43% | -11.4% |
| Q2 2022 | $14,933,000 | -27.9% | 550,000 | -2.9% | 11.77% | -12.0% |
| Q1 2022 | $20,718,000 | -4.9% | 566,538 | +28.5% | 13.38% | +2.6% |
| Q4 2021 | $21,785,000 | -5.4% | 441,000 | +36.4% | 13.04% | +2.9% |
| Q3 2021 | $23,029,000 | +6.1% | 323,300 | -23.4% | 12.67% | -6.6% |
| Q2 2021 | $21,695,000 | +43.9% | 422,000 | -29.7% | 13.57% | +9.9% |
| Q1 2021 | $15,072,000 | +15.0% | 600,000 | -45.0% | 12.34% | +103.8% |
| Q4 2020 | $13,105,000 | +140.6% | 1,091,202 | +100.1% | 6.06% | +133.7% |
| Q3 2020 | $5,447,000 | – | 545,195 | – | 2.59% | – |
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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% |