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 | ||||
|---|---|---|---|---|---|---|
| Q3 2017 | $1,316,000 | -47.7% | 20,322 | -56.3% | 0.01% | -50.0% |
| Q2 2017 | $2,517,000 | -2.1% | 46,504 | +0.9% | 0.01% | 0.0% |
| Q1 2017 | $2,572,000 | +4.7% | 46,097 | -7.7% | 0.01% | 0.0% |
| Q4 2016 | $2,457,000 | -19.8% | 49,950 | -2.2% | 0.01% | -23.1% |
| Q3 2016 | $3,062,000 | +69.5% | 51,059 | -1.2% | 0.01% | +62.5% |
| Q2 2016 | $1,806,000 | -15.3% | 51,659 | +0.4% | 0.01% | -11.1% |
| Q1 2016 | $2,133,000 | -12.6% | 51,440 | +43.5% | 0.01% | -10.0% |
| Q4 2015 | $2,441,000 | +167.1% | 35,835 | +77.8% | 0.01% | +150.0% |
| Q3 2015 | $914,000 | -14.3% | 20,152 | -0.5% | 0.00% | 0.0% |
| Q2 2015 | $1,067,000 | +43.2% | 20,258 | +3.7% | 0.00% | +33.3% |
| Q1 2015 | $745,000 | +76.1% | 19,529 | -4.0% | 0.00% | +50.0% |
| Q4 2014 | $423,000 | -6.4% | 20,353 | -0.3% | 0.00% | 0.0% |
| Q3 2014 | $452,000 | +19.3% | 20,416 | +21.5% | 0.00% | 0.0% |
| Q2 2014 | $379,000 | -9.8% | 16,802 | +53.2% | 0.00% | 0.0% |
| Q1 2014 | $420,000 | +44.3% | 10,969 | 0.0% | 0.00% | +100.0% |
| Q4 2013 | $291,000 | +53.2% | 10,969 | +16.6% | 0.00% | 0.0% |
| Q3 2013 | $190,000 | +287.8% | 9,411 | +150.2% | 0.00% | – |
| Q2 2013 | $49,000 | – | 3,762 | – | 0.00% | – |
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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% |