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 | ||||
---|---|---|---|---|---|---|
Q3 2023 | $3,136,250 | +78.4% | 65,000 | -7.1% | 0.01% | -45.5% |
Q1 2021 | $1,758,000 | -21.8% | 70,000 | -68.9% | 0.02% | -33.3% |
Q3 2020 | $2,248,000 | +4.1% | 225,000 | +8.9% | 0.03% | -13.2% |
Q2 2020 | $2,160,000 | +12.1% | 206,555 | +14.8% | 0.04% | -20.8% |
Q1 2020 | $1,926,000 | +712.7% | 180,000 | +1100.0% | 0.05% | +860.0% |
Q4 2019 | $237,000 | -87.4% | 15,000 | -70.0% | 0.01% | -87.5% |
Q4 2017 | $1,875,000 | +44.8% | 50,000 | +150.0% | 0.04% | +25.0% |
Q3 2017 | $1,295,000 | -52.1% | 20,000 | -60.0% | 0.03% | -40.7% |
Q2 2017 | $2,706,000 | – | 50,000 | – | 0.05% | – |
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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% |