Westamerica Bancorporation

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Westamerica Bancorporation
TickerWABC
CIK #0000311094
CUSIP957090103
SectorFinance - National Commercial Banks
Address1108 Fifth Ave, San Rafael, CA 94901
Source [EDGAR]
CIK Filing 2011 - 2025
[0000311094] 10-K
[0000311094] 10-Q
[0000311094] 3
[0000311094] 4
[0000311094] 5
[0000311094] 8-K
[0000311094] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
State Street Corp Westamerica Bancorporation [2025-05-13] 0.0
State Street Corp Westamerica Bancorporation [2025-02-05] 0.0
American Century Investment Management Inc Westamerica Bancorporation [2024-02-12] 5.46
BlackRock Inc Westamerica Bancorporation [2023-01-24] 14.1
BlackRock Inc Westamerica Bancorporation [2022-01-25] 14.6
American Century Investment Management Inc Westamerica Bancorporation [2021-02-11] 6.68
American Century Investment Management Inc Westamerica Bancorporation [2015-02-10] 6.3
State Street Corp Westamerica Bancorporation [2014-02-05] 5.9
State Street Corp Westamerica Bancorporation [2012-02-13] 4.1
Form 3/4/5 Filer 2011 - 2025
Thorsen Cheryl Christine
Westamerica Bancorporation
Thorson John A
Wondeh Inez
Baker Robert James Jr
Camsey Martin
Donohoe Brian J
Ensinger George S
Sousa John Joseph III
Belton Curtis
Jonas Anela Marya
Belew Alisa Jane
Payne David L
Chiesa Melanie Martella
Hassid Michele R.
Rizzardi Russell W
Leavitt Jesse
Bartolini Louis E
MAC Millan Catherine C
Sylvester Edward B
Hansen Dennis R
Schneck James J
Robinson David L
Finger Jennifer J
Bowler E Joseph
Form 13F Holdings
Firm Period DFND Voting Shares
BlackRock, Inc. [2025-06-30] SOLE 3,590,304 3,658,395
Vanguard Group Inc [2025-06-30] SOLE 0 3,145,936
American Century Companies Inc [2025-06-30] DFND 1,969,057 2,019,329
State Street Corp [2025-06-30] DFND 179,794 1,277,997
Dimensional Fund Advisors LP [2025-06-30] SOLE 782,859 820,419
Geode Capital Management LLC [2025-06-30] DFND 789,647 789,647
Nuveen, LLC [2025-06-30] DFND 373,996 382,609
Palisade Capital Management LP [2025-06-30] SOLE 243,839 381,514
Morgan Stanley [2025-06-30] DFND 212,035 316,191
Arrowstreet Capital Limited Partnership [2025-06-30] DFND 308,919 309,953
Northern Trust Corp [2025-06-30] DFND 307,618 308,085
RBO & Co LLC [2025-06-30] SOLE 0 297,088
Charles Schwab Investment Management Inc [2025-06-30] SOLE 273,156 273,175
Manufacturers Life Insurance Company the [2025-06-30] DFND 252,777 252,777
Bank of New York Mellon Corp [2025-06-30] DFND 218,019 235,108
Millennium Management LLC [2025-06-30] SOLE 198,313 198,313
Qube Research & Technologies Ltd [2025-06-30] SOLE 176,908 176,908
Two Sigma Investments LP [2025-06-30] SOLE 164,145 164,145
New York State Common Retirement Fund [2025-06-30] SOLE 159,618 159,618
Citadel Advisors LLC [2025-06-30] DFND 156,444 156,444
Goldman Sachs Group Inc [2025-06-30] DFND 152,662 153,718
Renaissance Technologies LLC [2025-06-30] SOLE 153,331 153,331
Principal Financial Group Inc [2025-06-30] DFND 152,585 152,585
Leeward Investments, LLC - MA [2025-06-30] SOLE 123,776 145,870
Maltese Capital Management LLC [2025-06-30] DFND 142,796 142,796
UBS Group AG [2025-06-30] DFND 119,798 140,895
Invesco Ltd. [2025-06-30] DFND 0 130,068
Jupiter Asset Management Ltd [2025-06-30] SOLE 111,695 111,695
Denali Advisors LLC [2025-06-30] SOLE 8,600 107,152
AQR Capital Management LLC [2025-06-30] DFND 99,743 103,952
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