PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 197 filers reported holding PROTHENA CORP PLC in Q2 2023. The put-call ratio across all filers is 1.55 and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $1,234,332 | -75.7% | 25,582 | -65.6% | 0.00% | -66.7% |
| Q2 2023 | $5,074,774 | +90.8% | 74,323 | +35.5% | 0.00% | +50.0% |
| Q1 2023 | $2,659,501 | -21.2% | 54,869 | -2.0% | 0.00% | -33.3% |
| Q4 2022 | $3,374,422 | +192.7% | 56,007 | +194.5% | 0.00% | +200.0% |
| Q3 2022 | $1,153,000 | +25.2% | 19,015 | -44.0% | 0.00% | 0.0% |
| Q2 2022 | $921,000 | -17.6% | 33,936 | +11.0% | 0.00% | 0.0% |
| Q1 2022 | $1,118,000 | -44.2% | 30,573 | -24.6% | 0.00% | 0.0% |
| Q4 2021 | $2,002,000 | -11.0% | 40,525 | +28.3% | 0.00% | 0.0% |
| Q3 2021 | $2,249,000 | +38.7% | 31,575 | +0.1% | 0.00% | 0.0% |
| Q2 2021 | $1,621,000 | +138.7% | 31,529 | +16.6% | 0.00% | – |
| Q1 2021 | $679,000 | +126.3% | 27,045 | +8.3% | 0.00% | – |
| Q4 2020 | $300,000 | +61.3% | 24,978 | +34.0% | 0.00% | – |
| Q3 2020 | $186,000 | -26.5% | 18,644 | +171.0% | 0.00% | – |
| Q1 2018 | $253,000 | -44.0% | 6,879 | -43.0% | 0.00% | – |
| Q4 2017 | $452,000 | +21.2% | 12,060 | +109.6% | 0.00% | – |
| Q3 2017 | $373,000 | +1.4% | 5,754 | -15.5% | 0.00% | – |
| Q2 2017 | $368,000 | +1.1% | 6,808 | +4.3% | 0.00% | – |
| Q1 2017 | $364,000 | +14.8% | 6,528 | +1.2% | 0.00% | – |
| Q4 2016 | $317,000 | -14.6% | 6,451 | +4.4% | 0.00% | – |
| Q3 2016 | $371,000 | +73.4% | 6,181 | +1.1% | 0.00% | – |
| Q2 2016 | $214,000 | -12.7% | 6,112 | +2.8% | 0.00% | – |
| Q1 2016 | $245,000 | -33.4% | 5,944 | +10.1% | 0.00% | -100.0% |
| Q4 2015 | $368,000 | +53.3% | 5,401 | +2.0% | 0.00% | – |
| Q3 2015 | $240,000 | -3.2% | 5,293 | +12.2% | 0.00% | – |
| Q2 2015 | $248,000 | – | 4,716 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Woodford Investment Management Ltd | 5,527,525 | $291,135,000 | 22.33% |
| Independence Capital Asset Partners, LLC | 20,530 | $1,081,000 | 1.68% |
| TURNER INVESTMENTS LLC | 173,820 | $9,155,000 | 1.68% |
| Palo Alto Investors LP | 695,918 | $36,654,000 | 1.63% |
| Rock Springs Capital Management LP | 250,000 | $13,168,000 | 0.96% |
| Visium Asset Management, LP | 996,887 | $52,506,000 | 0.74% |
| EAM Investors, LLC | 117,809 | $6,205,000 | 0.73% |
| SPHERA FUNDS MANAGEMENT LTD. | 115,133 | $6,064,000 | 0.59% |
| WESTFIELD CAPITAL MANAGEMENT CO LP | 1,392,850 | $73,361,000 | 0.45% |
| MARINER INVESTMENT GROUP LLC | 23,600 | $1,243,000 | 0.32% |