PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 132 filers reported holding PROTHENA CORP PLC in Q3 2018. The put-call ratio across all filers is 3.45 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2018 | $0 | – | 2 | 0.0% | 0.00% | – |
| Q2 2018 | $0 | – | 2 | 0.0% | 0.00% | – |
| Q1 2018 | $0 | – | 2 | 0.0% | 0.00% | – |
| Q4 2017 | $0 | – | 2 | -71.4% | 0.00% | – |
| Q3 2017 | $0 | – | 7 | 0.0% | 0.00% | – |
| Q2 2017 | $0 | – | 7 | 0.0% | 0.00% | – |
| Q1 2017 | $0 | – | 7 | 0.0% | 0.00% | – |
| Q4 2016 | $0 | – | 7 | 0.0% | 0.00% | – |
| Q3 2016 | $0 | – | 7 | 0.0% | 0.00% | – |
| Q2 2016 | $0 | – | 7 | 0.0% | 0.00% | – |
| Q4 2015 | $0 | – | 7 | -22.2% | 0.00% | – |
| Q3 2015 | $0 | -100.0% | 9 | -18.2% | 0.00% | -100.0% |
| Q2 2015 | $1,000 | – | 11 | 0.0% | 0.00% | – |
| Q1 2015 | $0 | – | 11 | 0.0% | 0.00% | – |
| Q4 2014 | $0 | – | 11 | 0.0% | 0.00% | – |
| Q3 2014 | $0 | – | 11 | 0.0% | 0.00% | – |
| Q2 2014 | $0 | – | 11 | 0.0% | 0.00% | – |
| Q1 2014 | $0 | – | 11 | 0.0% | 0.00% | – |
| Q4 2013 | $0 | – | 11 | – | 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% |