PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 195 filers reported holding PROTHENA CORP PLC in Q4 2023. The put-call ratio across all filers is 0.73 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2024 | $340,601 | -16.7% | 16,502 | 0.0% | 0.20% | -19.0% |
| Q1 2024 | $408,755 | +53.0% | 16,502 | +124.5% | 0.25% | +28.4% |
| Q4 2023 | $267,172 | -24.7% | 7,352 | 0.0% | 0.20% | -33.0% |
| Q3 2023 | $354,734 | -29.3% | 7,352 | 0.0% | 0.29% | -22.0% |
| Q2 2023 | $501,995 | +40.9% | 7,352 | 0.0% | 0.38% | +35.6% |
| Q1 2023 | $356,351 | -21.4% | 7,352 | -2.3% | 0.28% | -18.7% |
| Q4 2022 | $453,502 | +538.7% | 7,527 | +540.6% | 0.34% | +460.7% |
| Q3 2022 | $71,000 | +121.9% | 1,175 | 0.0% | 0.06% | +134.6% |
| Q2 2022 | $32,000 | -25.6% | 1,175 | 0.0% | 0.03% | -10.3% |
| Q1 2022 | $43,000 | -18.9% | 1,175 | +9.3% | 0.03% | -14.7% |
| Q4 2021 | $53,000 | -58.6% | 1,075 | -40.1% | 0.03% | -63.8% |
| Q3 2021 | $128,000 | +18.5% | 1,796 | -14.6% | 0.09% | +19.0% |
| Q2 2021 | $108,000 | +66.2% | 2,104 | -18.1% | 0.08% | +51.9% |
| Q1 2021 | $65,000 | +97.0% | 2,569 | -6.8% | 0.05% | +85.7% |
| Q4 2020 | $33,000 | – | 2,755 | – | 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% |