PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 129 filers reported holding PROTHENA CORP PLC in Q3 2019. The put-call ratio across all filers is 0.21 and the average weighting 0.1%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q1 2024 | $1,491,204 | -30.8% | 60,202 | +1.5% | 0.00% | -50.0% |
Q4 2023 | $2,155,107 | -13.7% | 59,304 | +14.6% | 0.00% | -33.3% |
Q3 2023 | $2,496,986 | -36.3% | 51,751 | -9.8% | 0.00% | -25.0% |
Q2 2023 | $3,919,068 | +93.8% | 57,397 | +37.6% | 0.00% | +100.0% |
Q1 2023 | $2,021,926 | -13.7% | 41,715 | +7.3% | 0.00% | 0.0% |
Q4 2022 | $2,342,942 | +23.5% | 38,887 | +24.3% | 0.00% | 0.0% |
Q3 2022 | $1,897,000 | +151.9% | 31,278 | +12.8% | 0.00% | +100.0% |
Q2 2022 | $753,000 | -24.8% | 27,724 | +1.3% | 0.00% | 0.0% |
Q1 2022 | $1,001,000 | -14.1% | 27,355 | +16.0% | 0.00% | 0.0% |
Q4 2021 | $1,165,000 | -35.2% | 23,572 | -6.6% | 0.00% | 0.0% |
Q3 2021 | $1,798,000 | +56.1% | 25,232 | +12.5% | 0.00% | 0.0% |
Q2 2021 | $1,152,000 | +136.1% | 22,429 | +15.3% | 0.00% | – |
Q1 2021 | $488,000 | +13.5% | 19,455 | -45.8% | 0.00% | – |
Q4 2020 | $430,000 | -5.5% | 35,883 | -21.2% | 0.00% | – |
Q3 2020 | $455,000 | -18.0% | 45,546 | -14.1% | 0.00% | – |
Q2 2020 | $555,000 | +94.7% | 53,023 | +98.8% | 0.00% | – |
Q1 2020 | $285,000 | -34.3% | 26,671 | -2.8% | 0.00% | – |
Q4 2019 | $434,000 | +91.2% | 27,429 | -5.3% | 0.00% | – |
Q3 2019 | $227,000 | -16.2% | 28,962 | +12.7% | 0.00% | – |
Q2 2019 | $271,000 | -15.6% | 25,691 | -2.7% | 0.00% | – |
Q1 2019 | $321,000 | -11.3% | 26,405 | -24.9% | 0.00% | – |
Q4 2018 | $362,000 | -8.6% | 35,143 | +16.0% | 0.00% | – |
Q3 2018 | $396,000 | -33.4% | 30,291 | -25.7% | 0.00% | -100.0% |
Q2 2018 | $595,000 | -68.5% | 40,778 | -20.7% | 0.00% | -50.0% |
Q1 2018 | $1,888,000 | +2.6% | 51,453 | +4.8% | 0.00% | 0.0% |
Q4 2017 | $1,841,000 | -80.2% | 49,086 | -65.8% | 0.00% | -77.8% |
Q3 2017 | $9,302,000 | +37.6% | 143,612 | +15.0% | 0.01% | +28.6% |
Q2 2017 | $6,759,000 | -18.0% | 124,909 | -15.4% | 0.01% | 0.0% |
Q1 2017 | $8,241,000 | +30.9% | 147,733 | +15.5% | 0.01% | +16.7% |
Q4 2016 | $6,294,000 | -7.3% | 127,944 | +13.1% | 0.01% | 0.0% |
Q3 2016 | $6,787,000 | +54.3% | 113,151 | -10.1% | 0.01% | +20.0% |
Q2 2016 | $4,398,000 | -13.9% | 125,809 | +1.4% | 0.01% | -16.7% |
Q1 2016 | $5,106,000 | -38.0% | 124,030 | +2.6% | 0.01% | -33.3% |
Q4 2015 | $8,233,000 | +58.1% | 120,866 | +5.2% | 0.01% | +50.0% |
Q3 2015 | $5,207,000 | -36.1% | 114,847 | -25.7% | 0.01% | -25.0% |
Q2 2015 | $8,144,000 | +66.7% | 154,628 | +20.7% | 0.01% | +60.0% |
Q1 2015 | $4,885,000 | +261.0% | 128,066 | +96.5% | 0.01% | +400.0% |
Q4 2014 | $1,353,000 | +7.6% | 65,183 | +15.0% | 0.00% | 0.0% |
Q3 2014 | $1,257,000 | -33.4% | 56,702 | -32.2% | 0.00% | -50.0% |
Q2 2014 | $1,887,000 | +87.4% | 83,659 | +218.1% | 0.00% | +100.0% |
Q1 2014 | $1,007,000 | +82.4% | 26,297 | +26.3% | 0.00% | 0.0% |
Q4 2013 | $552,000 | – | 20,828 | – | 0.00% | – |
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Other shareholders
Name | Shares | Value | Weighting ↓ |
---|---|---|---|
EcoR1 Capital, LLC | 11,284,280 | $580,125,000 | 21.68% |
Prosight Management, LP | 422,000 | $21,695,000 | 13.57% |
First Light Asset Management, LLC | 1,927,829 | $99,110,000 | 5.95% |
Palo Alto Investors LP | 1,731,482 | $89,015,000 | 4.90% |
DCF Advisers, LLC | 61,750 | $3,175,000 | 1.12% |
APOGEM CAPITAL LLC | 32,104 | $1,650,000 | 1.05% |
EAM Global Investors LLC | 70,255 | $3,612,000 | 1.00% |
Rock Springs Capital Management LP | 950,091 | $48,844,000 | 0.96% |
Atika Capital Management LLC | 234,000 | $12,030,000 | 0.95% |
Birchview Capital, LP | 30,247 | $1,555,000 | 0.93% |