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 31 Dec 2025
Q4 2025
Total 13F shares
19,814,869
Total reported value
$947,813,769
% of total 13F portfolios
0%
Share change
+222,770
Value change
+$10,092,645
Number of holders
211
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 31 Dec 2025, 211 institutional investors reported holding 19,814,869 shares of WESTAMERICA BANCORPORATION - COMMON STOCK (WABC). This represents 75% 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 62% 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% 3,499,788 -0.82% 0% $167,394,860
VANGUARD GROUP INC 12% 3,170,769 -0.43% 0% $151,657,881
AMERICAN CENTURY COMPANIES INC 6.9% 1,834,777 +3.4% 0.04% $87,757,440
STATE STREET CORP 4.6% 1,221,379 -0.51% 0% $58,418,558
DIMENSIONAL FUND ADVISORS LP 3.4% 897,572 +0.38% 0.01% $42,932,411
GEODE CAPITAL MANAGEMENT, LLC 2.3% 606,467 -2.9% 0% $29,012,545
UBS Group AG 1.7% 457,206 +279% 0% $21,868,163
AQR CAPITAL MANAGEMENT LLC 1.4% 381,832 +36% 0.01% $18,263,042
Nuveen, LLC 1.3% 354,890 -0.77% 0% $16,974,388
MILLENNIUM MANAGEMENT LLC 1.3% 340,009 -15% 0.01% $16,262,630
PALISADE CAPITAL MANAGEMENT, LP 1.2% 318,597 -14% 0.45% $15,238,495
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 1.1% 298,471 +5% 0% $14,275,868
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 1.1% 295,388 -2.2% 0.01% $14,128,408
MORGAN STANLEY 1.1% 294,769 -0.13% 0% $14,098,867
NORTHERN TRUST CORP 1.1% 287,469 -7.1% 0% $13,749,643
RBO & CO LLC 1.1% 286,840 -3.4% 2.2% $13,719,563
GOLDMAN SACHS GROUP INC 0.98% 259,340 +26% 0% $12,404,232
T. Rowe Price Investment Management, Inc. 0.9% 238,981 -3.1% 0.01% $11,431,000
MetLife Investment Management, LLC 0.86% 228,658 +47% 0.05% $10,936,712
Qube Research & Technologies Ltd 0.86% 228,482 +5% 0.02% $10,928,294
CITADEL ADVISORS LLC 0.79% 210,400 +26% 0.01% $10,063,432
Bank of New York Mellon Corp 0.78% 208,551 -5.2% 0% $9,974,992
TWO SIGMA INVESTMENTS, LP 0.7% 185,701 +3.5% 0.01% $8,882,079
PRINCIPAL FINANCIAL GROUP INC 0.55% 145,533 +3.5% 0% $6,960,843
Leeward Investments, LLC - MA 0.53% 141,929 -0.59% 0.34% $6,788,464

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 19,814,869 $947,813,769 +$10,092,645 $47.83 211
2025 Q3 19,605,356 $980,013,004 -$17,570,580 $49.99 215
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