WESTAMERICA BANCORPORATION - COMMON STOCK (WABC) Institutional Ownership

13F Institutional Holders and Ownership History from Q1 2014 to Q4 2025

Type / Class
Equity / COMMON STOCK
Symbol
WABC on Nasdaq
Shares outstanding
26,569,412
Price per share
$47.83
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
19,605,214
Total reported value
$980,005,906
% of total 13F portfolios
0%
Share change
-368,685
Value change
-$18,270,005
Number of holders
214
Price from insider filings
$47.83
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of WESTAMERICA BANCORPORATION - COMMON STOCK (WABC) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
STATE STREET CORP 4.6% -10% $59,460,368 -$6,164,219 1,227,759 -9.4% STATE STREET CORPORATION 31 Mar 2025

As of 30 Sep 2025, 214 institutional investors reported holding 19,605,214 shares of WESTAMERICA BANCORPORATION - COMMON STOCK (WABC). This represents 74% of the company’s total 26,569,412 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of WESTAMERICA BANCORPORATION - COMMON STOCK (WABC) together control 60% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 13% 3,528,887 -3.5% 0% $176,409,063
VANGUARD GROUP INC 12% 3,184,414 -0.41% 0% $159,188,855
AMERICAN CENTURY COMPANIES INC 6.7% 1,774,913 -12% 0.05% $88,728,015
STATE STREET CORP 4.6% 1,227,602 -3.9% 0% $61,367,824
DIMENSIONAL FUND ADVISORS LP 3.4% 894,194 +0.73% 0.01% $44,700,175
GEODE CAPITAL MANAGEMENT, LLC 2.4% 624,603 -21% 0% $31,228,363
MILLENNIUM MANAGEMENT LLC 1.5% 399,197 +101% 0.02% $19,955,858
PALISADE CAPITAL MANAGEMENT, LP 1.4% 369,176 -3.2% 0.5% $18,455,108
Nuveen, LLC 1.3% 357,650 -6.5% 0% $17,878,923
NORTHERN TRUST CORP 1.2% 309,461 -3.8% 0% $15,469,955
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 1.1% 302,136 -2.5% 0.01% $15,103,779
RBO & CO LLC 1.1% 297,088 0% 2.3% $14,851,436
MORGAN STANLEY 1.1% 295,161 -6.7% 0% $14,755,148
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 1.1% 284,350 +4.1% 0% $14,214,657
AQR CAPITAL MANAGEMENT LLC 1.1% 280,965 +159% 0.01% $14,045,421
T. Rowe Price Investment Management, Inc. 0.93% 246,529 -1.3% 0.01% $12,324,000
Bank of New York Mellon Corp 0.83% 219,997 -6.4% 0% $10,997,661
Qube Research & Technologies Ltd 0.82% 217,648 +23% 0.02% $10,880,224
GOLDMAN SACHS GROUP INC 0.77% 205,552 +34% 0% $10,275,544
TWO SIGMA INVESTMENTS, LP 0.68% 179,467 +9.3% 0.01% $8,971,555
CITADEL ADVISORS LLC 0.63% 167,235 +15% 0.01% $8,360,077
MetLife Investment Management, LLC 0.59% 155,898 +912% 0.04% $7,793,341
NEW YORK STATE COMMON RETIREMENT FUND 0.58% 153,718 -3.7% 0.01% $7,684,363
Leeward Investments, LLC - MA 0.54% 142,772 -2.1% 0.36% $7,137,172
PRINCIPAL FINANCIAL GROUP INC 0.53% 140,643 -7.8% 0% $7,030,743

Institutional Holders of WESTAMERICA BANCORPORATION - COMMON STOCK (WABC) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 48,386 $2,323,304 -$5,012,091 $47.83 6
2025 Q3 19,605,214 $980,005,906 -$18,270,005 $49.99 214
2025 Q2 19,978,414 $967,766,386 -$35,102,972 $48.44 205
2025 Q1 20,668,549 $1,046,434,326 +$4,751,905 $50.63 206
2024 Q4 20,554,507 $1,078,278,539 +$6,932,025 $52.46 208
2024 Q3 20,454,311 $1,010,808,255 -$11,168,456 $49.42 194
2024 Q2 20,623,552 $1,000,890,119 +$11,468,573 $48.53 189
2024 Q1 20,410,929 $997,570,509 -$2,044,720 $48.88 189
2023 Q4 20,331,462 $1,146,897,272 +$29,580,772 $56.41 175
2023 Q3 19,946,052 $862,668,962 -$10,921,626 $43.25 178
2023 Q2 20,229,099 $775,041,638 -$15,228,271 $38.30 186
2023 Q1 20,560,782 $910,749,285 -$24,148,567 $44.30 189
2022 Q4 20,992,918 $1,238,722,258 +$30,029,983 $59.01 210
2022 Q3 20,864,128 $1,091,250,637 -$6,780,693 $52.29 173
2022 Q2 20,966,280 $1,167,033,727 +$4,057,361 $55.66 162
2022 Q1 20,983,190 $1,269,549,290 +$36,826,156 $60.50 141
2021 Q4 20,379,940 $1,176,403,948 -$5,312,949 $57.73 153
2021 Q3 20,443,207 $1,149,933,215 -$9,035,940 $56.26 152
2021 Q2 20,581,473 $1,194,315,298 +$8,634,466 $58.03 157
2021 Q1 20,420,965 $1,282,167,067 -$4,149,944 $62.78 163
2020 Q4 20,510,169 $1,134,230,373 -$15,967,307 $55.29 165
2020 Q3 20,831,733 $1,132,296,568 -$13,695,489 $54.35 163
2020 Q2 21,041,763 $1,208,285,666 -$43,264,668 $57.42 157
2020 Q1 21,794,562 $1,281,335,016 -$29,647,349 $58.78 146
2019 Q4 22,271,719 $1,509,236,132 +$11,431,082 $67.77 161
2019 Q3 22,102,736 $1,374,645,810 -$7,595,971 $62.18 161
2019 Q2 22,224,652 $1,368,805,719 +$4,455,440 $61.61 160
2019 Q1 22,265,020 $1,376,042,745 -$50,084,036 $61.80 155
2018 Q4 23,066,759 $1,284,778,042 -$26,143,920 $55.68 144
2018 Q3 23,503,977 $1,413,746,645 +$1,307,688 $60.16 146
2018 Q2 23,492,685 $1,328,479,457 +$46,785,029 $56.51 138
2018 Q1 22,821,122 $1,325,424,988 +$4,049,497 $58.08 137
2017 Q4 22,750,863 $1,355,122,593 +$309,048 $59.55 136
2017 Q3 22,657,809 $1,347,729,894 +$38,723,912 $59.54 133
2017 Q2 22,017,964 $1,234,632,614 +$8,741,645 $56.04 139
2017 Q1 21,708,130 $1,212,695,255 +$175,942,494 $55.83 140
2016 Q4 21,710,495 $1,365,986,480 +$2,901,595 $62.93 150
2016 Q3 21,524,667 $1,094,895,515 +$23,061,674 $50.88 130
2016 Q2 20,936,073 $1,031,275,881 -$30,977,267 $49.26 126
2016 Q1 21,825,654 $1,063,507,983 +$16,927,556 $48.71 130
2015 Q4 21,469,266 $1,003,775,822 +$10,518,526 $46.75 127
2015 Q3 21,259,494 $944,764,829 -$22,236,147 $44.44 131
2015 Q2 21,817,794 $1,105,070,833 +$46,946,259 $50.65 142
2015 Q1 20,910,016 $903,492,126 -$5,625,845 $43.21 134
2014 Q4 21,037,743 $1,030,716,462 -$17,036,531 $49.02 130
2014 Q3 21,390,828 $995,100,315 -$1,449,584 $46.52 133
2014 Q2 21,347,500 $1,114,169,856 -$1,006,063 $52.28 139
2014 Q1 21,334,924 $1,153,423,857 +$21,356,024 $54.08 139