Westamerica Bancorporation (WABC) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

26,038,034Shares Outstanding

380,190Shares held by institutions

$20,009,400Value of institutional holdings

84.73%Institutional ownership %

0.96%Shares Changed QoQ

140No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

A total of 200 institutions have reported a stake in Westamerica Bancorporation (NASDAQ:WABC) as of December 2025, according to recent 13F filings with the SEC.

Institutional ownership in Westamerica Bancorporation edged down to 74.6% in December 2025, compared to 74.9% in September 2025.
Institutional share ownership changed by 2.51% QoQ, while the number of institutional owners saw a decrease of 3.38% YoY.
Of these 200 institutional investors, 87 increased their holdings in Westamerica Bancorporation, while 87 of them reduced positions, and 26 investors maintained their exposure.
This class of investors increased its holdings in Westamerica Bancorporation to 19.51Mn shares for the 13F-cycle ending December 2025, up by 478.10K shares quarter on quarter, and down 1.06Mn shares year over year.
BlackRock, Inc. continues to be the largest institutional holder of Westamerica Bancorporation as of December 31, 2025, with a position of 3.50Mn shares, representing 13.38% of the company's outstanding stock.
Among the most significant buyers of Westamerica Bancorporation during December 2025 were UBS Group AG (336.71K), AQR CAPITAL MANAGEMENT LLC (100.87K), MetLife Investment Management, LLC (72.76K), Point72 Asset Management, L.P. (62.57K), AMERICAN CENTURY COMPANIES INC (59.86K).
Leading sellers of Westamerica Bancorporation stock in December 2025 included DENALI ADVISORS LLC (86.70K), MILLENNIUM MANAGEMENT LLC (59.19K), PALISADE CAPITAL MANAGEMENT, LP (50.58K), MALTESE CAPITAL MANAGEMENT LLC (38.50K), T. Rowe Price Investment Management, Inc. (30.76K).
The top 10 institutional holders of Westamerica Bancorporation for the quarter ending December 2025 included BlackRock, Inc. (3.50Mn), 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), UBS Group AG (457.21K), AQR CAPITAL MANAGEMENT LLC (381.83K), Nuveen, LLC (354.89K), MILLENNIUM MANAGEMENT LLC (340.01K).

200 Institutional Holders

380,190 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
UBS Group AG	31 Dec, 2025	457,206	336,714	279.45%	$21,868,163.00
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
GOLDMAN SACHS GROUP INC	31 Dec, 2025	259,340	53,788	26.17%	$12,404,232.00
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
T. Rowe Price Investment Management, Inc.	31 Dec, 2025	215,771	-30,758	-12.48%	$10,321.00

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