DOSSIER · 13F Holders · Q2 2026Financial Services · National Commercial Banks
WABC

WESTAMERICA BANCORPORATION

228 institutions still hold WESTAMERICA BANCORPORATION as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 957090103·National Commercial Banks·228 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$871M
visible holders
Holders
228
filers reporting
Concentration
22.47%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q2 2026

228 institutions reported WABC in Q2 2026. BlackRock, Inc. leads at 22.5% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$196M3.3M0.00%Q2 2026
02
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$115M2.0M0.05%Q2 2026
03
Vanguard Portfolio Management
CIK 0002100121· Index
$101M1.7M0.00%Q2 2026
04
STATE STREET CORP
CIK 0000093751
$82M1.4M0.00%Q2 2026
05
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$61M1.0M0.00%Q2 2026
06
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$58M984K0.01%Q2 2026
07
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$37M627K0.00%Q2 2026
08
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$29M495K0.01%Q2 2026
09
Nuveen, LLC
CIK 0001871926
$22M382K0.01%Q2 2026
10
Rhino Investment Partners, Inc
CIK 0001828776
$19M325K5.77%Q2 2026
11
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
$19M324K0.01%Q2 2026
12
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$18M304K0.01%Q2 2026
13
NORTHERN TRUST CORP
CIK 0000073124· Index
$18M303K0.00%Q2 2026
14
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$17M295K0.00%Q2 2026
15
RBO & CO LLC
CIK 0001162827
$16M276K2.57%Q2 2026
16
MACKENZIE FINANCIAL CORP
CIK 0000919859
$14M243K0.01%Q2 2026
17
MORGAN STANLEY
CIK 0000895421
$13M230K0.00%Q2 2026
18
GOLDMAN SACHS GROUP INC
CIK 0000886982
$13M228K0.00%Q2 2026
19
Bank of New York Mellon Corp
CIK 0001390777
$12M211K0.00%Q2 2026
20
T. Rowe Price Investment Management, Inc.
CIK 0001897612
$10M196K0.01%Q1 2026
Page 1 of 12
208 more holders available. Log in →
Insiders at WESTAMERICA BANCORPORATION
Belton CurtisBaker Robert James JrDonohoe Brian JWondeh InezEnsinger George SJonas Anela MaryaThorsen Cheryl ChristineThorson John A