PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 193 filers reported holding PROTHENA CORP PLC in Q3 2021. The put-call ratio across all filers is 0.62 and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $543,536 | -28.2% | 11,265 | +1.7% | 0.01% | -16.7% |
| Q2 2023 | $756,611 | +59.1% | 11,081 | +12.9% | 0.01% | +50.0% |
| Q1 2023 | $475,588 | -14.8% | 9,812 | +5.9% | 0.00% | -20.0% |
| Q4 2022 | $558,397 | +3.4% | 9,268 | +4.1% | 0.01% | -16.7% |
| Q3 2022 | $540,000 | +125.0% | 8,904 | +0.5% | 0.01% | +200.0% |
| Q2 2022 | $240,000 | -25.5% | 8,856 | +0.4% | 0.00% | -33.3% |
| Q1 2022 | $322,000 | -23.2% | 8,817 | +3.9% | 0.00% | 0.0% |
| Q4 2021 | $419,000 | -30.2% | 8,487 | +0.8% | 0.00% | -40.0% |
| Q3 2021 | $600,000 | +53.8% | 8,423 | +10.9% | 0.01% | +66.7% |
| Q2 2021 | $390,000 | – | 7,592 | – | 0.00% | – |
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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% |