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 | ||||
|---|---|---|---|---|---|---|
| Q4 2016 | $74,535,000 | -7.1% | 1,515,241 | +13.3% | 0.01% | -12.5% |
| Q3 2016 | $80,189,000 | +81.2% | 1,337,144 | +5.6% | 0.02% | +60.0% |
| Q2 2016 | $44,254,000 | -13.9% | 1,265,857 | +1.4% | 0.01% | -16.7% |
| Q1 2016 | $51,406,000 | -33.5% | 1,248,919 | +10.0% | 0.01% | -33.3% |
| Q4 2015 | $77,345,000 | +43.7% | 1,135,587 | -4.3% | 0.02% | +28.6% |
| Q3 2015 | $53,819,000 | -11.2% | 1,187,018 | +3.2% | 0.01% | -6.7% |
| Q2 2015 | $60,581,000 | +48.2% | 1,150,206 | +7.3% | 0.02% | +50.0% |
| Q1 2015 | $40,868,000 | +86.5% | 1,071,514 | +1.5% | 0.01% | +100.0% |
| Q4 2014 | $21,916,000 | +3.3% | 1,055,671 | +10.3% | 0.01% | -16.7% |
| Q3 2014 | $21,212,000 | +17.2% | 957,223 | +19.2% | 0.01% | +20.0% |
| Q2 2014 | $18,102,000 | -28.9% | 802,754 | +20.8% | 0.01% | -37.5% |
| Q1 2014 | $25,468,000 | +48.9% | 664,782 | +3.0% | 0.01% | +60.0% |
| Q4 2013 | $17,109,000 | +148.1% | 645,126 | +89.2% | 0.01% | +150.0% |
| Q3 2013 | $6,896,000 | +74.8% | 340,894 | +11.6% | 0.00% | +100.0% |
| Q2 2013 | $3,944,000 | – | 305,499 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| EcoR1 Capital, LLC | 11,584,280 | $558,941,510 | 18.85% |
| Finepoint Capital LP | 349,300 | $16,853,725 | 8.39% |
| Palo Alto Investors LP | 1,657,458 | $79,972,349 | 7.57% |
| Birchview Capital, LP | 169,574 | $8,181,946 | 6.96% |
| First Light Asset Management, LLC | 1,494,039 | $72,087,382 | 6.85% |
| DCF Advisers, LLC | 82,950 | $4,002,338 | 2.18% |
| Prosight Management, LP | 126,202 | $6,089,247 | 1.93% |
| PFM Health Sciences, LP | 836,571 | $40,364,551 | 1.90% |
| SECTORAL ASSET MANAGEMENT INC | 172,407 | $8,318,638 | 1.62% |
| Boxer Capital, LLC | 625,000 | $30,156,250 | 1.60% |