PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 156 filers reported holding PROTHENA CORP PLC in Q3 2017. The put-call ratio across all filers is 2.30 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $1,234,332 | -75.7% | 25,582 | -65.6% | 0.00% | -66.7% |
| Q2 2023 | $5,074,774 | +90.8% | 74,323 | +35.5% | 0.00% | +50.0% |
| Q1 2023 | $2,659,501 | -21.2% | 54,869 | -2.0% | 0.00% | -33.3% |
| Q4 2022 | $3,374,422 | +192.7% | 56,007 | +194.5% | 0.00% | +200.0% |
| Q3 2022 | $1,153,000 | +25.2% | 19,015 | -44.0% | 0.00% | 0.0% |
| Q2 2022 | $921,000 | -17.6% | 33,936 | +11.0% | 0.00% | 0.0% |
| Q1 2022 | $1,118,000 | -44.2% | 30,573 | -24.6% | 0.00% | 0.0% |
| Q4 2021 | $2,002,000 | -11.0% | 40,525 | +28.3% | 0.00% | 0.0% |
| Q3 2021 | $2,249,000 | +38.7% | 31,575 | +0.1% | 0.00% | 0.0% |
| Q2 2021 | $1,621,000 | +138.7% | 31,529 | +16.6% | 0.00% | – |
| Q1 2021 | $679,000 | +126.3% | 27,045 | +8.3% | 0.00% | – |
| Q4 2020 | $300,000 | +61.3% | 24,978 | +34.0% | 0.00% | – |
| Q3 2020 | $186,000 | -26.5% | 18,644 | +171.0% | 0.00% | – |
| Q1 2018 | $253,000 | -44.0% | 6,879 | -43.0% | 0.00% | – |
| Q4 2017 | $452,000 | +21.2% | 12,060 | +109.6% | 0.00% | – |
| Q3 2017 | $373,000 | +1.4% | 5,754 | -15.5% | 0.00% | – |
| Q2 2017 | $368,000 | +1.1% | 6,808 | +4.3% | 0.00% | – |
| Q1 2017 | $364,000 | +14.8% | 6,528 | +1.2% | 0.00% | – |
| Q4 2016 | $317,000 | -14.6% | 6,451 | +4.4% | 0.00% | – |
| Q3 2016 | $371,000 | +73.4% | 6,181 | +1.1% | 0.00% | – |
| Q2 2016 | $214,000 | -12.7% | 6,112 | +2.8% | 0.00% | – |
| Q1 2016 | $245,000 | -33.4% | 5,944 | +10.1% | 0.00% | -100.0% |
| Q4 2015 | $368,000 | +53.3% | 5,401 | +2.0% | 0.00% | – |
| Q3 2015 | $240,000 | -3.2% | 5,293 | +12.2% | 0.00% | – |
| Q2 2015 | $248,000 | – | 4,716 | – | 0.00% | – |
Download | ||||||
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% |