PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 123 filers reported holding PROTHENA CORP PLC in Q1 2015. The put-call ratio across all filers is 1.68 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2023 | $3,390,512 | +93.5% | 49,656 | +37.3% | 0.63% | +82.6% |
| Q1 2023 | $1,752,481 | -45.5% | 36,156 | -32.2% | 0.34% | -48.3% |
| Q4 2022 | $3,214,097 | -1.2% | 53,346 | -0.5% | 0.66% | -5.9% |
| Q3 2022 | $3,252,000 | -29.4% | 53,637 | -17.0% | 0.71% | -9.0% |
| Q3 2021 | $4,605,000 | -14.3% | 64,650 | -38.2% | 0.78% | -6.4% |
| Q2 2021 | $5,375,000 | +247.0% | 104,550 | +69.6% | 0.83% | +256.2% |
| Q1 2021 | $1,549,000 | -64.3% | 61,657 | -3.3% | 0.23% | -59.0% |
| Q4 2015 | $4,342,000 | +70.7% | 63,746 | +13.6% | 0.57% | +40.9% |
| Q3 2015 | $2,543,000 | -59.0% | 56,093 | -52.4% | 0.40% | -44.5% |
| Q2 2015 | $6,205,000 | +404.5% | 117,809 | +265.3% | 0.73% | +411.3% |
| Q1 2015 | $1,230,000 | – | 32,250 | – | 0.14% | – |
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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% |