PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 131 filers reported holding PROTHENA CORP PLC in Q2 2014. The put-call ratio across all filers is 0.49 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2017 | $1,316,000 | -47.7% | 20,322 | -56.3% | 0.01% | -50.0% |
| Q2 2017 | $2,517,000 | -2.1% | 46,504 | +0.9% | 0.01% | 0.0% |
| Q1 2017 | $2,572,000 | +4.7% | 46,097 | -7.7% | 0.01% | 0.0% |
| Q4 2016 | $2,457,000 | -19.8% | 49,950 | -2.2% | 0.01% | -23.1% |
| Q3 2016 | $3,062,000 | +69.5% | 51,059 | -1.2% | 0.01% | +62.5% |
| Q2 2016 | $1,806,000 | -15.3% | 51,659 | +0.4% | 0.01% | -11.1% |
| Q1 2016 | $2,133,000 | -12.6% | 51,440 | +43.5% | 0.01% | -10.0% |
| Q4 2015 | $2,441,000 | +167.1% | 35,835 | +77.8% | 0.01% | +150.0% |
| Q3 2015 | $914,000 | -14.3% | 20,152 | -0.5% | 0.00% | 0.0% |
| Q2 2015 | $1,067,000 | +43.2% | 20,258 | +3.7% | 0.00% | +33.3% |
| Q1 2015 | $745,000 | +76.1% | 19,529 | -4.0% | 0.00% | +50.0% |
| Q4 2014 | $423,000 | -6.4% | 20,353 | -0.3% | 0.00% | 0.0% |
| Q3 2014 | $452,000 | +19.3% | 20,416 | +21.5% | 0.00% | 0.0% |
| Q2 2014 | $379,000 | -9.8% | 16,802 | +53.2% | 0.00% | 0.0% |
| Q1 2014 | $420,000 | +44.3% | 10,969 | 0.0% | 0.00% | +100.0% |
| Q4 2013 | $291,000 | +53.2% | 10,969 | +16.6% | 0.00% | 0.0% |
| Q3 2013 | $190,000 | +287.8% | 9,411 | +150.2% | 0.00% | – |
| Q2 2013 | $49,000 | – | 3,762 | – | 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% |