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 | ||||
|---|---|---|---|---|---|---|
| Q2 2021 | $171,000 | +16.3% | 3,323 | -43.2% | 0.00% | 0.0% |
| Q1 2021 | $147,000 | +110.0% | 5,851 | 0.0% | 0.00% | – |
| Q4 2020 | $70,000 | +20.7% | 5,851 | 0.0% | 0.00% | – |
| Q3 2020 | $58,000 | -93.9% | 5,851 | -93.6% | 0.00% | -100.0% |
| Q2 2020 | $951,000 | +12.9% | 90,925 | +15.5% | 0.01% | 0.0% |
| Q1 2020 | $842,000 | +2305.7% | 78,711 | +13263.5% | 0.01% | – |
| Q3 2016 | $35,000 | +2.9% | 589 | -38.6% | 0.00% | – |
| Q2 2016 | $34,000 | -12.8% | 959 | 0.0% | 0.00% | – |
| Q1 2016 | $39,000 | -40.0% | 959 | 0.0% | 0.00% | – |
| Q4 2015 | $65,000 | +51.2% | 959 | 0.0% | 0.00% | – |
| Q3 2015 | $43,000 | -65.0% | 959 | -59.0% | 0.00% | -100.0% |
| Q2 2015 | $123,000 | -40.6% | 2,338 | -56.9% | 0.00% | 0.0% |
| Q1 2015 | $207,000 | +86.5% | 5,419 | +1.7% | 0.00% | 0.0% |
| Q4 2014 | $111,000 | +258.1% | 5,328 | +286.4% | 0.00% | – |
| Q3 2014 | $31,000 | -86.0% | 1,379 | -76.2% | 0.00% | -100.0% |
| Q1 2014 | $222,000 | +158.1% | 5,788 | +78.2% | 0.00% | – |
| Q4 2013 | $86,000 | +30.3% | 3,248 | 0.0% | 0.00% | – |
| Q3 2013 | $66,000 | – | 3,248 | – | 0.00% | – |
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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% |