PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 106 filers reported holding PROTHENA CORP PLC in Q4 2013. The put-call ratio across all filers is 0.51 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2016 | $1,000 | -50.0% | 26 | 0.0% | 0.00% | – |
| Q3 2016 | $2,000 | +100.0% | 26 | -3.7% | 0.00% | – |
| Q2 2016 | $1,000 | – | 27 | +2600.0% | 0.00% | – |
| Q1 2016 | $0 | -100.0% | 1 | -96.0% | 0.00% | – |
| Q4 2015 | $2,000 | – | 25 | +4.2% | 0.00% | – |
| Q4 2014 | $0 | -100.0% | 24 | 0.0% | 0.00% | – |
| Q3 2014 | $1,000 | 0.0% | 24 | 0.0% | 0.00% | – |
| Q2 2014 | $1,000 | -50.0% | 24 | -50.0% | 0.00% | – |
| Q1 2014 | $2,000 | +100.0% | 48 | +100.0% | 0.00% | – |
| Q4 2013 | $1,000 | – | 24 | 0.0% | 0.00% | – |
| Q3 2013 | $0 | – | 24 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| EcoR1 Capital, LLC | 11,284,280 | $580,125,000 | 21.68% |
| Prosight Management, LP | 422,000 | $21,695,000 | 13.57% |
| First Light Asset Management, LLC | 1,927,829 | $99,110,000 | 5.95% |
| Palo Alto Investors LP | 1,731,482 | $89,015,000 | 4.90% |
| DCF Advisers, LLC | 61,750 | $3,175,000 | 1.12% |
| APOGEM CAPITAL LLC | 32,104 | $1,650,000 | 1.05% |
| EAM Global Investors LLC | 70,255 | $3,612,000 | 1.00% |
| Rock Springs Capital Management LP | 950,091 | $48,844,000 | 0.96% |
| Atika Capital Management LLC | 234,000 | $12,030,000 | 0.95% |
| Birchview Capital, LP | 30,247 | $1,555,000 | 0.93% |