PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 148 filers reported holding PROTHENA CORP PLC in Q1 2018. The put-call ratio across all filers is 0.26 and the average weighting 0.3%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q2 2023 | $25,536 | +40.9% | 374 | 0.0% | 0.00% | – |
Q1 2023 | $18,127 | -20.2% | 374 | -0.8% | 0.00% | – |
Q4 2022 | $22,714 | +2171.4% | 377 | +280.8% | 0.00% | – |
Q4 2019 | $1,000 | – | 99 | 0.0% | 0.00% | – |
Q3 2019 | $0 | -100.0% | 99 | 0.0% | 0.00% | – |
Q2 2019 | $1,000 | 0.0% | 99 | 0.0% | 0.00% | – |
Q1 2019 | $1,000 | 0.0% | 99 | 0.0% | 0.00% | – |
Q4 2018 | $1,000 | -50.0% | 99 | -50.5% | 0.00% | – |
Q3 2018 | $2,000 | -100.0% | 200 | -99.8% | 0.00% | -100.0% |
Q4 2017 | $4,018,000 | +24.1% | 107,200 | +114.4% | 0.02% | +15.8% |
Q3 2017 | $3,238,000 | +19.7% | 50,000 | 0.0% | 0.02% | +18.8% |
Q2 2017 | $2,706,000 | -3.0% | 50,000 | 0.0% | 0.02% | -5.9% |
Q1 2017 | $2,789,000 | +13.4% | 50,000 | 0.0% | 0.02% | +13.3% |
Q4 2016 | $2,459,000 | – | 50,000 | – | 0.02% | – |
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% |