Prothena Corporation plc

Historical 13F Holders

Symbol
PRTA
CUSIP
G72800108
All holders as of
Q1 2026
Type
Equity
Class
SHS
Reported Value, Excluding Options
Total Filings
Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q1 191 45.8 M $445 M
2025 Q4 198 46.1 M $440 M
2025 Q3 202 43.3 M $423 M
2025 Q2 205 42.3 M $257 M
2025 Q1 173 52.3 M $647 M
2024 Q4 187 53.8 M $746 M
2024 Q3 176 51.4 M $862 M
2024 Q2 175 52.2 M $1.08 B
2024 Q1 182 55.3 M $1.37 B
2023 Q4 218 55.0 M $2.00 B
2023 Q3 204 53.2 M $2.57 B
2023 Q2 218 52.0 M $3.54 B
2023 Q1 201 51.9 M $2.51 B
2022 Q4 215 51.5 M $3.10 B
2022 Q3 210 44.7 M $2.71 B
2022 Q2 174 44.6 M $1.21 B
2022 Q1 189 44.2 M $1.64 B
2021 Q4 213 43.1 M $2.13 B
2021 Q3 208 40.9 M $2.92 B
2021 Q2 169 40.6 M $2.09 B
2021 Q1 165 40.0 M $1.00 B
2020 Q4 155 36.6 M $439 M
2020 Q3 151 36.2 M $362 M
2020 Q2 150 37.9 M $396 M
2020 Q1 142 37.4 M $400 M
2019 Q4 155 37.6 M $595 M
2019 Q3 138 37.7 M $295 M
2019 Q2 152 39.0 M $412 M
2019 Q1 151 39.6 M $480 M
2018 Q4 138 40.7 M $419 M
2018 Q3 158 41.6 M $545 M
2018 Q2 146 41.9 M $611 M
2018 Q1 170 42.5 M $1.56 B
2017 Q4 178 43.3 M $1.63 B
2017 Q3 169 43.1 M $2.79 B
2017 Q2 157 42.5 M $2.30 B
2017 Q1 162 41.7 M $2.32 B
2016 Q4 158 38.0 M $1.87 B
2016 Q3 160 36.2 M $2.17 B
2016 Q2 150 34.7 M $1.21 B
2016 Q1 156 35.3 M $1.45 B
2015 Q4 175 30.4 M $2.07 B
2015 Q3 157 30.1 M $1.37 B
2015 Q2 148 29.5 M $1.55 B
2015 Q1 130 25.4 M $968 M
2014 Q4 136 25.0 M $521 M
2014 Q3 136 21.5 M $476 M
2014 Q2 145 22.6 M $510 M
2014 Q1 129 21.4 M $821 M