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 | ||||
|---|---|---|---|---|---|---|
| Q4 2020 | $21,587,000 | -39.0% | 1,797,458 | -49.3% | 0.19% | -57.5% |
| Q3 2020 | $35,409,000 | -4.5% | 3,544,475 | 0.0% | 0.44% | -14.8% |
| Q2 2020 | $37,075,000 | +19.4% | 3,544,475 | +22.1% | 0.52% | 0.0% |
| Q1 2020 | $31,054,000 | -32.4% | 2,902,239 | 0.0% | 0.52% | -20.4% |
| Q4 2019 | $45,942,000 | +93.9% | 2,902,239 | -4.0% | 0.66% | +45.8% |
| Q3 2019 | $23,693,000 | -26.9% | 3,022,117 | -1.4% | 0.45% | -10.4% |
| Q2 2019 | $32,400,000 | +9.7% | 3,065,278 | +25.9% | 0.50% | +9.8% |
| Q1 2019 | $29,540,000 | -59.2% | 2,435,278 | +28.9% | 0.46% | -48.7% |
| Q1 2014 | $72,368,000 | +127.0% | 1,889,000 | +57.2% | 0.89% | +90.2% |
| Q4 2013 | $31,877,000 | – | 1,202,000 | – | 0.47% | – |
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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% |