PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 129 filers reported holding PROTHENA CORP PLC in Q3 2019. The put-call ratio across all filers is 0.21 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $30,156,250 | +147118.6% | 625,000 | +108.3% | 1.60% | +68.9% |
| Q2 2023 | $20,484 | +40.9% | 300,000 | 0.0% | 0.95% | +33.1% |
| Q1 2023 | $14,541 | -99.9% | 300,000 | 0.0% | 0.71% | -25.1% |
| Q4 2022 | $18,075,000 | -0.6% | 300,000 | 0.0% | 0.95% | -6.8% |
| Q3 2022 | $18,189,000 | +123.3% | 300,000 | 0.0% | 1.02% | +98.3% |
| Q2 2022 | $8,145,000 | -25.8% | 300,000 | 0.0% | 0.52% | -8.5% |
| Q1 2022 | $10,971,000 | -26.0% | 300,000 | 0.0% | 0.56% | -2.1% |
| Q4 2021 | $14,820,000 | -30.6% | 300,000 | 0.0% | 0.58% | -22.8% |
| Q3 2021 | $21,369,000 | +3324.5% | 300,000 | +276.9% | 0.75% | +1557.8% |
| Q3 2019 | $624,000 | – | 79,598 | – | 0.04% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| EcoR1 Capital, LLC | 11,584,280 | $697,952,870 | 21.24% |
| Prosight Management, LP | 330,000 | $19,882,500 | 10.84% |
| First Light Asset Management, LLC | 1,535,599 | $92,519,840 | 8.59% |
| Palo Alto Investors LP | 1,658,577 | $99,929,264 | 8.52% |
| Finepoint Capital LP | 322,900 | $19,455 | 6.29% |
| Birchview Capital, LP | 127,195 | $7,663 | 5.41% |
| Avidity Partners Management LP | 2,953,000 | $177,918,250 | 3.85% |
| DCF Advisers, LLC | 74,100 | $4,464,525 | 3.02% |
| PFM Health Sciences, LP | 875,464 | $52,746,706 | 1.89% |
| SECTORAL ASSET MANAGEMENT INC | 115,200 | $6,940,800 | 1.34% |