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 | ||||
|---|---|---|---|---|---|---|
| Q4 2017 | $7,685,000 | +97.8% | 205,000 | +241.7% | 0.90% | +62.8% |
| Q3 2017 | $3,886,000 | +79.5% | 60,000 | +50.0% | 0.55% | +50.5% |
| Q2 2017 | $2,165,000 | +5.8% | 40,000 | -11.4% | 0.37% | +41.0% |
| Q3 2015 | $2,046,000 | -66.3% | 45,133 | -60.8% | 0.26% | -56.1% |
| Q2 2015 | $6,064,000 | +80.4% | 115,133 | +30.6% | 0.59% | +69.7% |
| Q1 2015 | $3,361,000 | +158.5% | 88,133 | +40.7% | 0.35% | +58.4% |
| Q4 2014 | $1,300,000 | +96.1% | 62,632 | +109.4% | 0.22% | +169.5% |
| Q3 2014 | $663,000 | -68.5% | 29,907 | -45.6% | 0.08% | -83.0% |
| Q1 2014 | $2,107,000 | +58.9% | 55,000 | +10.0% | 0.48% | +30.4% |
| Q4 2013 | $1,326,000 | – | 50,000 | – | 0.37% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| EcoR1 Capital, LLC | 11,584,280 | $702,355,000 | 20.73% |
| Prosight Management, LP | 321,093 | $19,468,000 | 10.43% |
| First Light Asset Management, LLC | 1,538,678 | $93,290,000 | 9.44% |
| Palo Alto Investors LP | 1,649,777 | $100,026,000 | 7.91% |
| Finepoint Capital LP | 305,400 | $18,516,000 | 6.09% |
| Birchview Capital, LP | 118,945 | $7,212,000 | 5.08% |
| DCF Advisers, LLC | 68,000 | $4,123,000 | 2.66% |
| Avidity Partners Management LP | 1,967,000 | $119,259,000 | 2.42% |
| SILVERARC CAPITAL MANAGEMENT, LLC | 110,000 | $6,669,000 | 2.26% |
| DCF Advisers, LLC | 52,500 | $3,183,000 | 2.06% |