Westamerica Bancorporation (WABC) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

25,341,000Shares Outstanding

20,264,851Shares held by institutions

$1,050,327,227Value of institutional holdings

79.97%Institutional ownership %

3.29%Shares Changed QoQ

211No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Westamerica Bancorporation (NASDAQ:WABC) has 210 institutional investors that have filed 13F reports for the period ending December 2025.

These investors collectively held 78.9% of Westamerica Bancorporation's outstanding shares in December 2025, up from 78.4% in September 2025.
They increased total shares held in Westamerica Bancorporation by 2.38% from the prior quarter, while the number of investors in WABC increased 1.45% year over year.
Activity in WABC broke down as 92 buyers, 91 sellers, and 27 unchanged among 210 total holders.
Altogether, these fund groups held 19.99Mn shares in WABC by December 2025, up by 465.53K shares quarter on quarter, and down 1.71Mn shares year over year.
BlackRock, Inc. leads ownership in WABC with 3.5Mn shares as of December 31, 2025, equal to 13.81% of outstanding shares.
The biggest buyers of Westamerica Bancorporation for the quarter ending December 2025 included UBS Group AG (336.71K), Goldman Sachs Group Inc (313.13K), T. Rowe Price Investment Management, Inc. (208.22K), AQR CAPITAL MANAGEMENT LLC (100.87K), MetLife Investment Management, LLC (72.76K).
The largest sales of WABC for the quarter ending December 2025 came from Jpmorgan Chase & Co (110.08K), DENALI ADVISORS LLC (86.7K), Barclays Plc (85.14K), Bank Of America Corp /De/ (80.63K), MILLENNIUM MANAGEMENT LLC (59.19K).
Per Business Quant data, the top 10 holders of Westamerica Bancorporation for the quarter ending December 2025 are BlackRock, Inc. (3.5Mn), VANGUARD GROUP INC (3.17Mn), AMERICAN CENTURY COMPANIES INC (1.83Mn), State Street Corp (1.22Mn), DIMENSIONAL FUND ADVISORS LP (897.57K), GEODE CAPITAL MANAGEMENT, LLC (606.47K), Goldman Sachs Group Inc (518.68K), UBS Group AG (457.21K), T. Rowe Price Investment Management, Inc. (454.75K), AQR CAPITAL MANAGEMENT LLC (381.83K).

211 Institutional Holders

20,264,851 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	3,499,788	-29,099	-0.82%	$167,394,860.00
VANGUARD GROUP INC	31 Dec, 2025	3,170,769	-13,645	-0.43%	$151,657,881.00
AMERICAN CENTURY COMPANIES INC	31 Dec, 2025	1,834,777	59,864	3.37%	$87,757,440.00
State Street Corp	31 Dec, 2025	1,221,379	-6,223	-0.51%	$58,418,558.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	897,572	3,378	0.38%	$42,932,411.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	606,467	-18,136	-2.90%	$29,012,545.00
Goldman Sachs Group Inc	31 Dec, 2025	518,680	313,128	152.34%	$24,808,464.00
UBS Group AG	31 Dec, 2025	457,206	336,714	279.45%	$21,868,163.00
T. Rowe Price Investment Management, Inc.	31 Dec, 2025	454,752	208,223	84.46%	$21,752.00
AQR CAPITAL MANAGEMENT LLC	31 Dec, 2025	381,832	100,867	35.90%	$18,263,042.00
Nuveen, LLC	31 Dec, 2025	354,890	-2,760	-0.77%	$16,974,388.00
MILLENNIUM MANAGEMENT LLC	31 Dec, 2025	340,009	-59,188	-14.83%	$16,262,630.00
PALISADE CAPITAL MANAGEMENT, LP	31 Dec, 2025	318,597	-50,579	-13.70%	$15,238,495.00
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	31 Dec, 2025	298,471	14,121	4.97%	$14,275,868.00
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	31 Dec, 2025	295,388	-6,748	-2.23%	$14,128,408.00
Morgan Stanley	31 Dec, 2025	294,769	-392	-0.13%	$14,098,867.00
Northern Trust Corp	31 Dec, 2025	287,469	-21,992	-7.11%	$13,749,643.00
RBO & CO LLC	31 Dec, 2025	286,840	-10,248	-3.45%	$13,719,563.00
MetLife Investment Management, LLC	31 Dec, 2025	228,658	72,760	46.67%	$10,936,712.00
Qube Research & Technologies Ltd	31 Dec, 2025	228,482	10,834	4.98%	$10,928,294.00

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