PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 125 filers reported holding PROTHENA CORP PLC in Q3 2014. The put-call ratio across all filers is 0.56 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2017 | $215,000 | -60.1% | 3,980 | -58.8% | 0.14% | -59.7% |
| Q1 2017 | $539,000 | -32.5% | 9,660 | -40.5% | 0.35% | +8.7% |
| Q4 2016 | $798,000 | -84.4% | 16,230 | -81.0% | 0.32% | -81.0% |
| Q3 2016 | $5,120,000 | +85.7% | 85,390 | +8.3% | 1.69% | +96.1% |
| Q2 2016 | $2,757,000 | -64.1% | 78,870 | -57.7% | 0.86% | -58.4% |
| Q1 2016 | $7,669,000 | -25.0% | 186,300 | +24.1% | 2.08% | -1.7% |
| Q4 2015 | $10,224,000 | +33.3% | 150,110 | -11.2% | 2.12% | +36.4% |
| Q3 2015 | $7,668,000 | -16.2% | 169,120 | -2.7% | 1.55% | -7.4% |
| Q2 2015 | $9,155,000 | -4.0% | 173,820 | -30.5% | 1.68% | -2.3% |
| Q1 2015 | $9,535,000 | +244.7% | 249,990 | +87.6% | 1.71% | +421.0% |
| Q4 2014 | $2,766,000 | -2.4% | 133,240 | +4.2% | 0.33% | +93.5% |
| Q3 2014 | $2,834,000 | -16.4% | 127,910 | -14.9% | 0.17% | +13.3% |
| Q2 2014 | $3,388,000 | +6543.1% | 150,240 | +5890.4% | 0.15% | +14900.0% |
| Q3 2013 | $51,000 | +59.4% | 2,508 | 0.0% | 0.00% | – |
| Q2 2013 | $32,000 | – | 2,508 | – | 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% |