PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 196 filers reported holding PROTHENA CORP PLC in Q4 2021. The put-call ratio across all filers is 0.55 and the average weighting 0.3%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q1 2023 | $24 | -20.0% | 500 | -64.3% | 0.00% | -33.3% |
Q4 2022 | $30 | -99.9% | 1,400 | -80.3% | 0.00% | 0.0% |
Q3 2022 | $48,000 | +17.1% | 7,100 | -5.3% | 0.00% | +50.0% |
Q3 2021 | $41,000 | +86.4% | 7,500 | -10.7% | 0.00% | +100.0% |
Q2 2021 | $22,000 | – | 8,400 | +4100.0% | 0.00% | – |
Q2 2020 | $0 | – | 200 | 0.0% | 0.00% | – |
Q1 2020 | $0 | -100.0% | 200 | -99.7% | 0.00% | -100.0% |
Q3 2018 | $302,000 | +439.3% | 60,500 | +487.4% | 0.02% | +425.0% |
Q2 2018 | $56,000 | -88.8% | 10,300 | -67.7% | 0.00% | -90.7% |
Q1 2018 | $500,000 | +17.9% | 31,917 | +51.7% | 0.04% | +152.9% |
Q4 2017 | $424,000 | -8.2% | 21,043 | +23.3% | 0.02% | 0.0% |
Q3 2017 | $462,000 | +463.4% | 17,066 | +59.5% | 0.02% | +466.7% |
Q2 2017 | $82,000 | -92.5% | 10,700 | -76.3% | 0.00% | -93.3% |
Q1 2017 | $1,099,000 | +42.0% | 45,241 | -14.7% | 0.04% | +60.7% |
Q4 2016 | $774,000 | -52.8% | 53,014 | -48.6% | 0.03% | -62.2% |
Q3 2016 | $1,640,000 | +58.6% | 103,123 | +13.4% | 0.07% | +42.3% |
Q2 2016 | $1,034,000 | +115.0% | 90,922 | +50.5% | 0.05% | +62.5% |
Q1 2016 | $481,000 | -73.8% | 60,416 | -29.8% | 0.03% | -68.6% |
Q4 2015 | $1,834,000 | – | 86,012 | – | 0.10% | – |
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% |