PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 130 filers reported holding PROTHENA CORP PLC in Q2 2018. The put-call ratio across all filers is 1.91 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2022 | $1,434,000 | +1548.3% | 23,666 | +632.5% | 0.00% | – |
| Q2 2022 | $87,000 | +2800.0% | 3,231 | +5111.3% | 0.00% | – |
| Q3 2021 | $3,000 | -89.3% | 62 | -89.0% | 0.00% | – |
| Q2 2021 | $28,000 | -87.2% | 562 | -93.6% | 0.00% | – |
| Q1 2021 | $219,000 | +106.6% | 8,737 | -1.7% | 0.00% | – |
| Q4 2020 | $106,000 | +55.9% | 8,891 | +29.6% | 0.00% | – |
| Q3 2020 | $68,000 | +423.1% | 6,862 | +427.4% | 0.00% | – |
| Q2 2020 | $13,000 | -72.3% | 1,301 | -70.9% | 0.00% | – |
| Q1 2020 | $47,000 | -69.9% | 4,477 | -54.7% | 0.00% | – |
| Q4 2019 | $156,000 | +15.6% | 9,874 | -43.0% | 0.00% | – |
| Q3 2019 | $135,000 | -30.8% | 17,322 | -6.2% | 0.00% | -100.0% |
| Q2 2019 | $195,000 | +9650.0% | 18,469 | +10700.6% | 0.00% | – |
| Q1 2019 | $2,000 | -99.1% | 171 | -99.2% | 0.00% | -100.0% |
| Q4 2018 | $216,000 | -17.9% | 21,037 | +4.3% | 0.00% | 0.0% |
| Q3 2018 | $263,000 | +1361.1% | 20,163 | +1487.6% | 0.00% | – |
| Q2 2018 | $18,000 | -33.3% | 1,270 | +154.0% | 0.00% | -100.0% |
| Q2 2017 | $27,000 | -75.0% | 500 | -74.4% | 0.00% | -80.0% |
| Q1 2017 | $108,000 | -36.1% | 1,951 | -43.2% | 0.01% | -50.0% |
| Q4 2016 | $169,000 | -83.6% | 3,436 | -77.3% | 0.01% | -87.7% |
| Q4 2015 | $1,031,000 | +164.4% | 15,147 | +76.0% | 0.08% | +179.3% |
| Q3 2015 | $390,000 | +83.1% | 8,607 | +112.3% | 0.03% | +61.1% |
| Q2 2015 | $213,000 | -38.3% | 4,055 | -55.2% | 0.02% | -55.0% |
| Q1 2015 | $345,000 | +93.8% | 9,060 | +5.9% | 0.04% | +81.8% |
| Q4 2014 | $178,000 | – | 8,555 | – | 0.02% | – |
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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% |