Westamerica Bancorporation

Historical 13F Holders

Symbol
WABC
CUSIP
957090103
All holders as of
Q2 2026
Type
Equity
Class
COM
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Every filing for 957090103 since 12/18/2024, newest first.

Filer % of Class Filed
American Century Investment Management, Inc. 13G/A Amendment 2
8.3% 8/14/2026
Event 6/30/2026
State Street Corp 13G 5.9% 8/7/2026
Event 6/30/2026
Vanguard Capital Management LLC 13G 5.3% 4/30/2026
Event 3/31/2026
Vanguard Portfolio Management LLC 13G 7.3% 4/29/2026
Event 3/31/2026
Vanguard Group Inc 13G/A Amendment 15 0% 3/27/2026
Event 3/13/2026
State Street Corp 13G 4.6% 5/13/2025
Event 3/31/2025
State Street Corp 13G 5.1% 2/5/2025
Event 12/31/2024

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q3 16 296 k $17.3 M
2026 Q2 218 20.0 M $1.11 B
2026 Q1 205 18.5 M $967 M
2025 Q4 219 20.1 M $959 M
2025 Q3 218 19.7 M $985 M
2025 Q2 211 20.0 M $969 M
2025 Q1 209 20.7 M $1.05 B
2024 Q4 212 20.6 M $1.08 B
2024 Q3 198 20.6 M $1.02 B
2024 Q2 194 21.3 M $1.03 B
2024 Q1 199 22.0 M $1.07 B
2023 Q4 182 21.4 M $1.21 B
2023 Q3 181 19.9 M $863 M
2023 Q2 193 20.2 M $775 M
2023 Q1 198 20.6 M $911 M
2022 Q4 220 22.1 M $1.30 B
2022 Q3 181 20.9 M $1.09 B
2022 Q2 169 21.0 M $1.17 B
2022 Q1 151 21.0 M $1.27 B
2021 Q4 161 20.4 M $1.18 B
2021 Q3 158 20.4 M $1.15 B
2021 Q2 168 20.6 M $1.20 B
2021 Q1 173 20.5 M $1.28 B
2020 Q4 182 21.3 M $1.19 B
2020 Q3 178 20.8 M $1.13 B
2020 Q2 170 21.1 M $1.21 B
2020 Q1 157 21.8 M $1.28 B
2019 Q4 169 22.7 M $1.54 B
2019 Q3 168 22.1 M $1.38 B
2019 Q2 174 22.5 M $1.39 B
2019 Q1 164 22.3 M $1.38 B
2018 Q4 156 23.4 M $1.30 B
2018 Q3 159 23.7 M $1.43 B
2018 Q2 148 24.8 M $1.40 B
2018 Q1 148 22.9 M $1.33 B
2017 Q4 145 22.8 M $1.36 B
2017 Q3 138 22.7 M $1.35 B
2017 Q2 146 22.0 M $1.24 B
2017 Q1 150 22.9 M $1.38 B
2016 Q4 159 21.8 M $1.37 B
2016 Q3 136 21.5 M $1.10 B
2016 Q2 136 21.0 M $1.04 B
2016 Q1 140 21.8 M $1.06 B
2015 Q4 137 21.6 M $1.01 B
2015 Q3 138 21.3 M $945 M
2015 Q2 147 21.8 M $1.11 B
2015 Q1 141 20.9 M $907 M
2014 Q4 141 21.3 M $1.05 B
2014 Q3 139 21.4 M $999 M
2014 Q2 146 22.0 M $1.15 B
2014 Q1 144 21.3 M $1.16 B