PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 146 filers reported holding PROTHENA CORP PLC in Q2 2017. The put-call ratio across all filers is 2.27 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2024 | $318 | +36.5% | 15,400 | +63.8% | 0.00% | 0.0% |
| Q1 2024 | $233 | -89.6% | 9,400 | -84.7% | 0.00% | -90.9% |
| Q4 2023 | $2,231 | -21.5% | 61,400 | +4.2% | 0.01% | -31.2% |
| Q3 2023 | $2,842 | -29.3% | 58,900 | 0.0% | 0.02% | -27.3% |
| Q2 2023 | $4,022 | +59.6% | 58,900 | +13.3% | 0.02% | +46.7% |
| Q1 2023 | $2,520 | -19.6% | 52,000 | 0.0% | 0.02% | -25.0% |
| Q4 2022 | $3,133 | -99.9% | 52,000 | -39.3% | 0.02% | -42.9% |
| Q3 2022 | $5,196,000 | +50.1% | 85,700 | -32.8% | 0.04% | +59.1% |
| Q2 2022 | $3,462,000 | -3.8% | 127,500 | +29.6% | 0.02% | +10.0% |
| Q1 2022 | $3,598,000 | -26.0% | 98,400 | 0.0% | 0.02% | -16.7% |
| Q4 2021 | $4,861,000 | -37.8% | 98,400 | -10.3% | 0.02% | -41.5% |
| Q3 2021 | $7,814,000 | +52.4% | 109,700 | +10.0% | 0.04% | +51.9% |
| Q2 2021 | $5,126,000 | +216.6% | 99,700 | +298.8% | 0.03% | +35.0% |
| Q3 2017 | $1,619,000 | +19.7% | 25,000 | 0.0% | 0.02% | -42.9% |
| Q2 2017 | $1,353,000 | -3.0% | 25,000 | 0.0% | 0.04% | -10.3% |
| Q1 2017 | $1,395,000 | +49.2% | 25,000 | +31.6% | 0.04% | +34.5% |
| Q4 2016 | $935,000 | – | 19,000 | – | 0.03% | – |
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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% |