PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 117 filers reported holding PROTHENA CORP PLC in Q1 2014. The put-call ratio across all filers is 0.94 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2023 | $2,478,388 | -67.8% | 68,200 | -66.7% | 0.40% | -55.8% |
| 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 | 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% |