PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 139 filers reported holding PROTHENA CORP PLC in Q1 2019. The put-call ratio across all filers is 42.41 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2019 | $1,319,000 | +26.7% | 108,700 | +7.5% | 0.00% | +100.0% |
| Q4 2018 | $1,041,000 | -60.3% | 101,089 | -49.6% | 0.00% | -50.0% |
| Q3 2018 | $2,624,000 | +83.4% | 200,580 | +104.4% | 0.00% | 0.0% |
| Q2 2018 | $1,431,000 | -76.0% | 98,133 | -39.6% | 0.00% | -75.0% |
| Q1 2018 | $5,965,000 | +127.5% | 162,477 | +132.3% | 0.01% | +166.7% |
| Q4 2017 | $2,622,000 | -41.9% | 69,942 | +0.4% | 0.00% | -50.0% |
| Q3 2017 | $4,511,000 | +19.4% | 69,652 | -0.2% | 0.01% | +20.0% |
| Q2 2017 | $3,778,000 | -4.0% | 69,802 | -1.0% | 0.01% | -16.7% |
| Q1 2017 | $3,934,000 | +10.2% | 70,522 | -2.9% | 0.01% | 0.0% |
| Q4 2016 | $3,571,000 | -13.4% | 72,604 | +5.6% | 0.01% | -14.3% |
| Q3 2016 | $4,123,000 | +51.0% | 68,755 | -11.9% | 0.01% | +40.0% |
| Q2 2016 | $2,730,000 | -12.0% | 78,083 | +3.5% | 0.01% | -16.7% |
| Q1 2016 | $3,104,000 | -73.3% | 75,422 | -55.8% | 0.01% | -72.7% |
| Q4 2015 | $11,612,000 | +50.3% | 170,496 | +0.1% | 0.02% | +46.7% |
| Q3 2015 | $7,725,000 | -27.8% | 170,379 | -16.1% | 0.02% | -25.0% |
| Q2 2015 | $10,695,000 | +43.7% | 203,065 | +4.0% | 0.02% | +42.9% |
| Q1 2015 | $7,444,000 | +47.4% | 195,175 | -19.8% | 0.01% | +40.0% |
| Q4 2014 | $5,051,000 | +1.0% | 243,308 | +7.8% | 0.01% | 0.0% |
| Q3 2014 | $5,002,000 | +16.7% | 225,702 | +18.8% | 0.01% | +11.1% |
| Q2 2014 | $4,285,000 | +440.4% | 190,002 | +818.0% | 0.01% | +350.0% |
| Q1 2014 | $793,000 | +54.3% | 20,698 | +6.9% | 0.00% | +100.0% |
| Q4 2013 | $514,000 | +63.2% | 19,368 | +24.3% | 0.00% | 0.0% |
| Q3 2013 | $315,000 | +56.7% | 15,585 | -0.0% | 0.00% | 0.0% |
| Q2 2013 | $201,000 | – | 15,586 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| EcoR1 Capital, LLC | 11,284,280 | $557,443,000 | 17.76% |
| Prosight Management, LP | 441,000 | $21,785,000 | 13.04% |
| First Light Asset Management, LLC | 1,622,941 | $80,173,000 | 5.74% |
| Palo Alto Investors LP | 1,685,282 | $83,253,000 | 5.32% |
| Birchview Capital, LP | 40,247 | $1,988,000 | 1.28% |
| DCF Advisers, LLC | 60,000 | $2,964,000 | 1.20% |
| HighVista Strategies LLC | 28,078 | $1,387,000 | 1.10% |
| APOGEM CAPITAL LLC | 33,212 | $1,641,000 | 1.08% |
| Redmile Group, LLC | 765,675 | $37,824,000 | 0.86% |
| Rock Springs Capital Management LP | 647,730 | $31,998,000 | 0.74% |