PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 189 filers reported holding PROTHENA CORP PLC in Q1 2023. The put-call ratio across all filers is 0.56 and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $11,318,678 | -29.3% | 234,584 | 0.0% | 1.00% | -23.6% |
| Q2 2023 | $16,017,396 | +12.6% | 234,584 | -20.1% | 1.30% | +3.8% |
| Q1 2023 | $14,230,016 | -40.9% | 293,584 | -26.5% | 1.26% | +29.1% |
| Q4 2022 | $24,064,694 | -0.6% | 399,414 | 0.0% | 0.97% | -15.9% |
| Q3 2022 | $24,216,000 | +167.0% | 399,414 | +19.6% | 1.16% | +119.1% |
| Q2 2022 | $9,068,000 | -25.8% | 334,000 | 0.0% | 0.53% | -18.9% |
| Q1 2022 | $12,214,000 | – | 334,000 | – | 0.65% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| EcoR1 Capital, LLC | 9,426,640 | $98,603,000 | 7.28% |
| Soleus Capital Management, L.P. | 674,603 | $7,056,000 | 4.02% |
| GREAT POINT PARTNERS LLC | 2,082,841 | $21,787,000 | 1.74% |
| LONESTAR CAPITAL MANAGEMENT LLC | 289,020 | $3,023,000 | 0.99% |
| Orbimed Advisors | 3,544,475 | $37,075,000 | 0.52% |
| Campbell & CO Investment Adviser LLC | 37,046 | $388,000 | 0.49% |
| Palo Alto Investors LP | 771,065 | $8,065,000 | 0.48% |
| Rock Springs Capital Management LP | 989,218 | $10,347,000 | 0.28% |
| TANG CAPITAL MANAGEMENT LLC | 273,823 | $2,864,000 | 0.28% |
| Woodline Partners LP | 600,778 | $6,284,000 | 0.25% |