PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 139 filers reported holding PROTHENA CORP PLC in Q2 2015. The put-call ratio across all filers is 0.53 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2017 | $253,000 | -42.1% | 6,740 | 0.0% | 0.01% | -46.7% |
| Q3 2017 | $437,000 | +19.7% | 6,740 | 0.0% | 0.02% | +36.4% |
| Q2 2017 | $365,000 | -7.1% | 6,740 | -4.3% | 0.01% | 0.0% |
| Q1 2017 | $393,000 | +13.3% | 7,040 | -0.1% | 0.01% | +10.0% |
| Q4 2016 | $347,000 | -19.1% | 7,050 | -1.4% | 0.01% | -23.1% |
| Q3 2016 | $429,000 | +71.6% | 7,150 | 0.0% | 0.01% | +85.7% |
| Q2 2016 | $250,000 | -17.5% | 7,150 | -2.7% | 0.01% | -22.2% |
| Q1 2016 | $303,000 | -40.1% | 7,350 | -1.1% | 0.01% | -40.0% |
| Q4 2015 | $506,000 | -72.1% | 7,430 | -84.4% | 0.02% | -75.4% |
| Q1 2015 | $1,811,000 | +66.6% | 47,480 | -9.3% | 0.06% | +60.5% |
| Q4 2014 | $1,087,000 | +3193.9% | 52,350 | +3461.2% | 0.04% | +3700.0% |
| Q3 2014 | $33,000 | – | 1,470 | – | 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% |