PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 120 filers reported holding PROTHENA CORP PLC in Q4 2018. The put-call ratio across all filers is 2.81 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2024 | $57,392 | -33.9% | 2,317 | -3.0% | 0.00% | -50.0% |
| Q4 2023 | $86,816 | -24.7% | 2,389 | 0.0% | 0.00% | -33.3% |
| Q3 2023 | $115,269 | -25.4% | 2,389 | +5.5% | 0.01% | -25.0% |
| Q2 2023 | $154,586 | +10.2% | 2,264 | -2.8% | 0.01% | +33.3% |
| Q4 2022 | $140,322 | +121.9% | 2,329 | 0.0% | 0.01% | +100.0% |
| Q2 2022 | $63,232 | -25.8% | 2,329 | 0.0% | 0.00% | 0.0% |
| Q1 2022 | $85,172 | -81.4% | 2,329 | -74.9% | 0.00% | -50.0% |
| Q4 2021 | $458,432 | -30.6% | 9,280 | 0.0% | 0.01% | -40.0% |
| Q3 2021 | $661,014 | +175.1% | 9,280 | -3.0% | 0.01% | +150.0% |
| Q1 2021 | $240,298 | +101.3% | 9,566 | -3.8% | 0.00% | +100.0% |
| Q4 2020 | $119,391 | -10.5% | 9,941 | -22.1% | 0.00% | 0.0% |
| Q2 2020 | $133,417 | +30.7% | 12,755 | -2.0% | 0.00% | 0.0% |
| Q3 2019 | $102,069 | -25.8% | 13,019 | 0.0% | 0.00% | 0.0% |
| Q2 2019 | $137,611 | -12.9% | 13,019 | 0.0% | 0.00% | -33.3% |
| Q1 2019 | $157,920 | +17.8% | 13,019 | 0.0% | 0.00% | 0.0% |
| Q4 2018 | $134,096 | -65.4% | 13,019 | -25.1% | 0.00% | 0.0% |
| Q2 2014 | $388,000 | -5.4% | 17,383 | +62.3% | 0.00% | 0.0% |
| Q1 2014 | $410,000 | +44.4% | 10,713 | 0.0% | 0.00% | +50.0% |
| Q4 2013 | $284,000 | +30.9% | 10,713 | 0.0% | 0.00% | 0.0% |
| Q3 2013 | $217,000 | – | 10,713 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Woodford Investment Management Ltd | 11,349,614 | $735,114,000 | 33.74% |
| Palo Alto Investors LP | 1,095,655 | $70,966,000 | 2.99% |
| SECTORAL ASSET MANAGEMENT INC | 195,909 | $12,689,000 | 1.64% |
| Rock Springs Capital Management LP | 309,500 | $20,046,000 | 0.92% |
| Hood River Capital Management LLC | 198,276 | $12,842,000 | 0.82% |
| OAK RIDGE INVESTMENTS LLC | 287,656 | $18,631,000 | 0.76% |
| BB BIOTECH AG | 350,000 | $22,670,000 | 0.63% |
| SPHERA FUNDS MANAGEMENT LTD. | 60,000 | $3,886,000 | 0.55% |
| Eventide Asset Management | 120,000 | $7,772,000 | 0.44% |
| PINNACLE ASSOCIATES LTD | 359,704 | $23,298,000 | 0.43% |