PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 187 filers reported holding PROTHENA CORP PLC in Q3 2022. The put-call ratio across all filers is 0.81 and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $543,536 | -28.2% | 11,265 | +1.7% | 0.01% | -16.7% |
| Q2 2023 | $756,611 | +59.1% | 11,081 | +12.9% | 0.01% | +50.0% |
| Q1 2023 | $475,588 | -14.8% | 9,812 | +5.9% | 0.00% | -20.0% |
| Q4 2022 | $558,397 | +3.4% | 9,268 | +4.1% | 0.01% | -16.7% |
| Q3 2022 | $540,000 | +125.0% | 8,904 | +0.5% | 0.01% | +200.0% |
| Q2 2022 | $240,000 | -25.5% | 8,856 | +0.4% | 0.00% | -33.3% |
| Q1 2022 | $322,000 | -23.2% | 8,817 | +3.9% | 0.00% | 0.0% |
| Q4 2021 | $419,000 | -30.2% | 8,487 | +0.8% | 0.00% | -40.0% |
| Q3 2021 | $600,000 | +53.8% | 8,423 | +10.9% | 0.01% | +66.7% |
| Q2 2021 | $390,000 | – | 7,592 | – | 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% |