PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 146 filers reported holding PROTHENA CORP PLC in Q1 2021. The put-call ratio across all filers is 0.25 and the average weighting 0.2%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q1 2022 | $496,000 | -76.0% | 13,556 | -67.6% | 0.00% | -100.0% |
Q4 2021 | $2,068,000 | -32.0% | 41,858 | -2.0% | 0.00% | 0.0% |
Q3 2021 | $3,042,000 | +36.8% | 42,706 | -1.3% | 0.00% | 0.0% |
Q2 2021 | $2,224,000 | +20.7% | 43,268 | -41.0% | 0.00% | 0.0% |
Q1 2021 | $1,842,000 | +41.3% | 73,339 | -32.5% | 0.00% | – |
Q4 2020 | $1,304,000 | +49.7% | 108,594 | +24.5% | 0.00% | – |
Q3 2020 | $871,000 | – | 87,221 | – | 0.00% | – |
Download |
Other shareholders
Name | Shares | Value | Weighting ↓ |
---|---|---|---|
EcoR1 Capital, LLC | 11,584,280 | $558,941,510 | 18.85% |
Finepoint Capital LP | 349,300 | $16,853,725 | 8.39% |
Palo Alto Investors LP | 1,657,458 | $79,972,349 | 7.57% |
Birchview Capital, LP | 169,574 | $8,181,946 | 6.96% |
First Light Asset Management, LLC | 1,494,039 | $72,087,382 | 6.85% |
DCF Advisers, LLC | 82,950 | $4,002,338 | 2.18% |
Prosight Management, LP | 126,202 | $6,089,247 | 1.93% |
PFM Health Sciences, LP | 836,571 | $40,364,551 | 1.90% |
SECTORAL ASSET MANAGEMENT INC | 172,407 | $8,318,638 | 1.62% |
Boxer Capital, LLC | 625,000 | $30,156,250 | 1.60% |