PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 146 filers reported holding PROTHENA CORP PLC in Q4 2016. The put-call ratio across all filers is 1.16 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $682 | -29.1% | 14,000 | 0.0% | 0.00% | 0.0% |
| Q2 2023 | $962 | +46.0% | 14,000 | 0.0% | 0.00% | 0.0% |
| Q1 2023 | $659 | -20.1% | 14,000 | 0.0% | 0.00% | 0.0% |
| Q4 2022 | $825 | -99.9% | 14,000 | 0.0% | 0.00% | 0.0% |
| Q3 2022 | $830,000 | +125.5% | 14,000 | 0.0% | 0.00% | +100.0% |
| Q2 2022 | $368,000 | -28.0% | 14,000 | 0.0% | 0.00% | 0.0% |
| Q1 2022 | $511,000 | -12.2% | 14,000 | +10.2% | 0.00% | 0.0% |
| Q4 2021 | $582,000 | -32.8% | 12,700 | +2.8% | 0.00% | -50.0% |
| Q3 2021 | $866,000 | +47.8% | 12,350 | 0.0% | 0.00% | 0.0% |
| Q2 2021 | $586,000 | +113.9% | 12,350 | 0.0% | 0.00% | +100.0% |
| Q1 2021 | $274,000 | +82.7% | 12,350 | 0.0% | 0.00% | 0.0% |
| Q4 2020 | $150,000 | +26.1% | 12,350 | 0.0% | 0.00% | 0.0% |
| Q3 2020 | $119,000 | +20.2% | 12,350 | -2.4% | 0.00% | 0.0% |
| Q3 2019 | $99,000 | -61.2% | 12,650 | -50.0% | 0.00% | 0.0% |
| Q2 2019 | $255,000 | +6.2% | 25,300 | +63.8% | 0.00% | 0.0% |
| Q1 2019 | $240,000 | +83.2% | 15,450 | +22.1% | 0.00% | 0.0% |
| Q4 2018 | $131,000 | -45.4% | 12,650 | -18.1% | 0.00% | 0.0% |
| Q3 2018 | $240,000 | +3.0% | 15,450 | -2.5% | 0.00% | -50.0% |
| Q2 2018 | $233,000 | -59.8% | 15,850 | 0.0% | 0.00% | -50.0% |
| Q1 2018 | $579,000 | -54.7% | 15,850 | -28.4% | 0.00% | -60.0% |
| Q4 2017 | $1,278,000 | 0.0% | 22,150 | 0.0% | 0.01% | 0.0% |
| Q3 2017 | $1,278,000 | +6.0% | 22,150 | 0.0% | 0.01% | 0.0% |
| Q2 2017 | $1,206,000 | -1.8% | 22,150 | 0.0% | 0.01% | -9.1% |
| Q1 2017 | $1,228,000 | +4.6% | 22,150 | -7.5% | 0.01% | -8.3% |
| Q4 2016 | $1,174,000 | +15.4% | 23,950 | +36.9% | 0.01% | +9.1% |
| Q3 2016 | $1,017,000 | +58.2% | 17,500 | 0.0% | 0.01% | +57.1% |
| Q2 2016 | $643,000 | +3.4% | 17,500 | +13.3% | 0.01% | 0.0% |
| Q1 2016 | $622,000 | -44.1% | 15,450 | -3.1% | 0.01% | -46.2% |
| Q4 2015 | $1,113,000 | +55.9% | 15,950 | +1.3% | 0.01% | +44.4% |
| Q3 2015 | $714,000 | -9.0% | 15,750 | +5.7% | 0.01% | 0.0% |
| Q2 2015 | $785,000 | +60.9% | 14,900 | +16.4% | 0.01% | +50.0% |
| Q1 2015 | $488,000 | +60.5% | 12,800 | -12.9% | 0.01% | +50.0% |
| Q4 2014 | $304,000 | -14.4% | 14,700 | -8.1% | 0.00% | -20.0% |
| Q3 2014 | $355,000 | +25.0% | 16,000 | +27.0% | 0.01% | +25.0% |
| Q2 2014 | $284,000 | -42.0% | 12,600 | -1.6% | 0.00% | -50.0% |
| Q1 2014 | $490,000 | +16233.3% | 12,800 | +5061.3% | 0.01% | – |
| Q2 2013 | $3,000 | – | 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% |