PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 140 filers reported holding PROTHENA CORP PLC in Q4 2020. The put-call ratio across all filers is 0.56 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $1,160,895 | -29.3% | 24,060 | 0.0% | 0.00% | -20.0% |
| Q2 2023 | $1,642,817 | +40.9% | 24,060 | 0.0% | 0.01% | +25.0% |
| Q1 2023 | $1,166,188 | -19.6% | 24,060 | 0.0% | 0.00% | -20.0% |
| Q4 2022 | $1,449,615 | -4.4% | 24,060 | -3.8% | 0.01% | 0.0% |
| Q3 2022 | $1,516,000 | +123.3% | 25,000 | 0.0% | 0.01% | +150.0% |
| Q2 2022 | $679,000 | -25.7% | 25,000 | 0.0% | 0.00% | 0.0% |
| Q1 2022 | $914,000 | -26.0% | 25,000 | 0.0% | 0.00% | 0.0% |
| Q4 2021 | $1,235,000 | -30.7% | 25,000 | 0.0% | 0.00% | -33.3% |
| Q3 2021 | $1,781,000 | +38.6% | 25,000 | 0.0% | 0.00% | +50.0% |
| Q2 2021 | $1,285,000 | +104.6% | 25,000 | 0.0% | 0.00% | +100.0% |
| Q1 2021 | $628,000 | +109.3% | 25,000 | 0.0% | 0.00% | 0.0% |
| Q4 2020 | $300,000 | – | 25,000 | – | 0.00% | – |
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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% |