PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 160 filers reported holding PROTHENA CORP PLC in Q4 2015. The put-call ratio across all filers is 1.22 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2021 | $171,000 | +16.3% | 3,323 | -43.2% | 0.00% | 0.0% |
| Q1 2021 | $147,000 | +110.0% | 5,851 | 0.0% | 0.00% | – |
| Q4 2020 | $70,000 | +20.7% | 5,851 | 0.0% | 0.00% | – |
| Q3 2020 | $58,000 | -93.9% | 5,851 | -93.6% | 0.00% | -100.0% |
| Q2 2020 | $951,000 | +12.9% | 90,925 | +15.5% | 0.01% | 0.0% |
| Q1 2020 | $842,000 | +2305.7% | 78,711 | +13263.5% | 0.01% | – |
| Q3 2016 | $35,000 | +2.9% | 589 | -38.6% | 0.00% | – |
| Q2 2016 | $34,000 | -12.8% | 959 | 0.0% | 0.00% | – |
| Q1 2016 | $39,000 | -40.0% | 959 | 0.0% | 0.00% | – |
| Q4 2015 | $65,000 | +51.2% | 959 | 0.0% | 0.00% | – |
| Q3 2015 | $43,000 | -65.0% | 959 | -59.0% | 0.00% | -100.0% |
| Q2 2015 | $123,000 | -40.6% | 2,338 | -56.9% | 0.00% | 0.0% |
| Q1 2015 | $207,000 | +86.5% | 5,419 | +1.7% | 0.00% | 0.0% |
| Q4 2014 | $111,000 | +258.1% | 5,328 | +286.4% | 0.00% | – |
| Q3 2014 | $31,000 | -86.0% | 1,379 | -76.2% | 0.00% | -100.0% |
| Q1 2014 | $222,000 | +158.1% | 5,788 | +78.2% | 0.00% | – |
| Q4 2013 | $86,000 | +30.3% | 3,248 | 0.0% | 0.00% | – |
| Q3 2013 | $66,000 | – | 3,248 | – | 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% |