PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 146 filers reported holding PROTHENA CORP PLC in Q4 2016. The put-call ratio across all filers is 1.16 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2019 | $1,712,000 | +43.6% | 141,131 | +22.0% | 0.00% | 0.0% |
| Q4 2018 | $1,192,000 | -54.7% | 115,711 | -42.6% | 0.00% | 0.0% |
| Q3 2018 | $2,634,000 | +74.8% | 201,430 | +94.9% | 0.00% | 0.0% |
| Q2 2018 | $1,507,000 | -68.9% | 103,354 | -21.6% | 0.00% | -66.7% |
| Q1 2018 | $4,841,000 | +17.1% | 131,875 | +19.6% | 0.00% | 0.0% |
| Q4 2017 | $4,134,000 | -45.7% | 110,281 | -6.1% | 0.00% | -40.0% |
| Q3 2017 | $7,608,000 | +16.6% | 117,458 | -2.6% | 0.01% | 0.0% |
| Q2 2017 | $6,527,000 | +5.0% | 120,603 | +8.3% | 0.01% | +25.0% |
| Q1 2017 | $6,214,000 | +7.6% | 111,386 | -5.1% | 0.00% | 0.0% |
| Q4 2016 | $5,774,000 | -39.9% | 117,378 | -26.7% | 0.00% | -33.3% |
| Q3 2016 | $9,603,000 | +55.1% | 160,136 | -9.6% | 0.01% | +20.0% |
| Q2 2016 | $6,192,000 | -7.6% | 177,122 | +8.8% | 0.01% | 0.0% |
| Q1 2016 | $6,704,000 | -36.2% | 162,870 | +5.6% | 0.01% | -37.5% |
| Q4 2015 | $10,507,000 | +55.7% | 154,270 | +3.7% | 0.01% | +60.0% |
| Q3 2015 | $6,748,000 | -10.8% | 148,827 | +3.6% | 0.01% | 0.0% |
| Q2 2015 | $7,564,000 | +98.5% | 143,604 | +43.7% | 0.01% | +66.7% |
| Q1 2015 | $3,810,000 | +84.8% | 99,908 | +0.6% | 0.00% | +200.0% |
| Q4 2014 | $2,062,000 | -77.5% | 99,340 | -76.0% | 0.00% | -85.7% |
| Q3 2014 | $9,174,000 | +0.8% | 413,973 | +2.6% | 0.01% | +16.7% |
| Q2 2014 | $9,101,000 | +268.9% | 403,608 | +526.9% | 0.01% | +200.0% |
| Q1 2014 | $2,467,000 | +40.2% | 64,386 | -3.0% | 0.00% | +100.0% |
| Q4 2013 | $1,760,000 | +50.8% | 66,357 | +15.0% | 0.00% | 0.0% |
| Q3 2013 | $1,167,000 | +58.1% | 57,687 | +0.9% | 0.00% | 0.0% |
| Q2 2013 | $738,000 | – | 57,148 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| EcoR1 Capital, LLC | 9,426,640 | $73,905,000 | 9.33% |
| GREAT POINT PARTNERS LLC | 2,066,041 | $16,198,000 | 1.49% |
| LONESTAR CAPITAL MANAGEMENT LLC | 300,000 | $2,352,000 | 0.78% |
| TANG CAPITAL MANAGEMENT LLC | 423,823 | $3,323,000 | 0.57% |
| Palo Alto Investors LP | 1,004,449 | $7,875,000 | 0.52% |
| Orbimed Advisors | 3,022,117 | $23,693,000 | 0.45% |
| Kerrisdale Advisers, LLC | 61,640 | $483,000 | 0.30% |
| Endurant Capital Management LP | 86,407 | $677,000 | 0.24% |
| Campbell & CO Investment Adviser LLC | 47,901 | $376,000 | 0.14% |
| Boxer Capital, LLC | 79,598 | $624,000 | 0.04% |