WESTAMERICA BANCORPORATION - Common Stock (WABC)
CUSIP: 957090103
Q1 2026 13F Holders as of 31 Mar 2026
- Type / Class
- Equity / Common Stock
- Shares outstanding
- 24,210,720
- Total 13F shares
- 18,417,431
- Share change
- -1,157,933
- Total reported value
- $960,286,141
- Price per share
- $52.15
- Number of holders
- 195
- Value change
- -$58,448,921
- Number of buys
- 79
- Number of sells
- 105
Quarterly Holders Quick Answers
What is CUSIP 957090103?
CUSIP 957090103 identifies WABC - WESTAMERICA BANCORPORATION - Common Stock in SEC institutional holdings data.
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Explore More Reporting Periods
Jump to adjacent filing periods for faster comparison and easier crawl discovery.
- Previous quarter: Q4 2025
Recent filing periods for CUSIP 957090103:
Top shareholders of WABC - WESTAMERICA BANCORPORATION - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
|
Company |
14%
|
3,499,788
|
$167,394,860 | — | 31 Dec 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
13%
|
3,170,769
|
$151,657,881 | — | 31 Dec 2025 | |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13D/G
|
Vanguard Portfolio Management |
7.3%
|
1,773,131
|
$92,468,782 | $0 | 31 Mar 2026 | |
| AMERICAN CENTURY COMPANIES INC |
13F
|
Company |
7.6%
|
1,834,777
|
$87,757,440 | — | 31 Dec 2025 | |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
|
Vanguard Capital Management |
5.3%
|
1,278,326
|
$66,664,701 | $0 | 31 Mar 2026 | |
| STATE STREET CORP |
13D/G
13F
|
STATE STREET CORPORATION · Company |
4.6%
|
1,227,759
|
$59,460,368 | -$6,164,219 | 31 Mar 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
3.7%
|
897,572
|
$42,932,411 | — | 31 Dec 2025 | |
| David L. Payne |
3/4/5
|
Chairman, President & CEO, Director |
—
class O/S missing
|
783,632
|
$36,665,903 | — | 31 Jan 2024 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.5%
|
606,467
|
$29,012,545 | — | 31 Dec 2025 | |
| UBS Group AG |
13F
|
Company |
1.9%
|
457,206
|
$21,868,163 | — | 31 Dec 2025 | |
| AQR CAPITAL MANAGEMENT LLC |
13F
|
Company |
1.6%
|
381,832
|
$18,263,042 | — | 31 Dec 2025 | |
| Nuveen, LLC |
13F
|
Company |
1.5%
|
354,890
|
$16,974,388 | — | 31 Dec 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
1.4%
|
340,009
|
$16,262,630 | — | 31 Dec 2025 | |
| PALISADE CAPITAL MANAGEMENT, LP |
13F
|
Company |
1.3%
|
318,597
|
$15,238,495 | — | 31 Dec 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
1.2%
|
298,471
|
$14,275,868 | — | 31 Dec 2025 | |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
|
Company |
1.2%
|
295,388
|
$14,128,408 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
1.2%
|
294,769
|
$14,098,867 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
1.2%
|
287,469
|
$13,749,643 | — | 31 Dec 2025 | |
| RBO & CO LLC |
13F
|
Company |
1.2%
|
286,840
|
$13,719,563 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
1.1%
|
259,340
|
$12,404,232 | — | 31 Dec 2025 | |
| T. Rowe Price Investment Management, Inc. |
13F
|
Company |
0.99%
|
238,981
|
$11,431,000 | — | 31 Dec 2025 | |
| MetLife Investment Management, LLC |
13F
|
Company |
0.94%
|
228,658
|
$10,936,712 | — | 31 Dec 2025 | |
| Qube Research & Technologies Ltd |
13F
|
Company |
0.94%
|
228,482
|
$10,928,294 | — | 31 Dec 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.87%
|
210,400
|
$10,063,432 | — | 31 Dec 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.86%
|
208,551
|
$9,974,992 | — | 31 Dec 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
0.77%
|
185,701
|
$8,882,079 | — | 31 Dec 2025 | |
| PRINCIPAL FINANCIAL GROUP INC |
13F
|
Company |
0.6%
|
145,533
|
$6,960,843 | — | 31 Dec 2025 | |
| Leeward Investments, LLC - MA |
13F
|
Company |
0.59%
|
141,929
|
$6,788,464 | — | 31 Dec 2025 | |
| NEW YORK STATE COMMON RETIREMENT FUND |
13F
|
Company |
0.53%
|
129,418
|
$6,190,063 | — | 31 Dec 2025 | |
| JUPITER ASSET MANAGEMENT LTD |
13F
|
Company |
0.52%
|
126,561
|
$6,053,412 | — | 31 Dec 2025 | |
| TWO SIGMA ADVISERS, LP |
13F
|
Company |
0.5%
|
120,900
|
$5,782,647 | — | 31 Dec 2025 | |
| Invesco Ltd. |
13F
|
Company |
0.47%
|
113,646
|
$5,435,689 | — | 31 Dec 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.39%
|
95,531
|
$4,569,248 | — | 31 Dec 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.36%
|
86,449
|
$4,134,855 | — | 31 Dec 2025 | |
| PUBLIC SECTOR PENSION INVESTMENT BOARD |
13F
|
Company |
0.36%
|
86,306
|
$4,128,016 | — | 31 Dec 2025 | |
| RAYMOND JAMES FINANCIAL INC |
13F
|
Company |
0.33%
|
79,838
|
$3,818,644 | — | 31 Dec 2025 | |
| FIRST TRUST ADVISORS LP |
13F
|
Company |
0.33%
|
79,834
|
$3,818,460 | — | 31 Dec 2025 | |
| RHUMBLINE ADVISERS |
13F
|
Company |
0.32%
|
77,480
|
$3,705,848 | — | 31 Dec 2025 | |
| Point72 Asset Management, L.P. |
13F
|
Company |
0.3%
|
71,970
|
$3,442,325 | — | 31 Dec 2025 | |
| MALTESE CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.28%
|
68,000
|
$3,252,440 | — | 31 Dec 2025 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.28%
|
66,724
|
$3,191,408 | — | 31 Dec 2025 | |
| DARK FOREST CAPITAL MANAGEMENT LP |
13F
|
Company |
0.26%
|
63,887
|
$3,055,715 | — | 31 Dec 2025 | |
| Legal & General Group Plc |
13F
|
Company |
0.26%
|
63,637
|
$3,043,756 | — | 31 Dec 2025 | |
| IEQ CAPITAL, LLC |
13F
|
Company |
0.25%
|
59,478
|
$2,844,870 | — | 31 Dec 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.24%
|
58,375
|
$2,792,077 | — | 31 Dec 2025 | |
| Trexquant Investment LP |
13F
|
Company |
0.23%
|
55,918
|
$2,674,558 | — | 31 Dec 2025 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
0.22%
|
54,371
|
$2,600,565 | — | 31 Dec 2025 | |
| Brandywine Global Investment Management, LLC |
13F
|
Company |
0.22%
|
53,476
|
$2,557,757 | — | 31 Dec 2025 | |
| ALGERT GLOBAL LLC |
13F
|
Company |
0.21%
|
51,318
|
$2,455,000 | — | 31 Dec 2025 | |
| Y-Intercept (Hong Kong) Ltd |
13F
|
Company |
0.21%
|
50,526
|
$2,416,659 | — | 31 Dec 2025 |
Institutional Holders of WESTAMERICA BANCORPORATION - Common Stock (WABC) as of Q1 2026
As of 31 Mar 2026,
WESTAMERICA BANCORPORATION - Common Stock (WABC) was held by
195 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
18,417,431 shares.
The largest 10 holders included
BlackRock, Inc., AMERICAN CENTURY COMPANIES INC, VANGUARD PORTFOLIO MANAGEMENT LLC, STATE STREET CORP, VANGUARD CAPITAL MANAGEMENT LLC, DIMENSIONAL FUND ADVISORS LP, GEODE CAPITAL MANAGEMENT, LLC, AQR CAPITAL MANAGEMENT LLC, Nuveen, LLC, and TWO SIGMA INVESTMENTS, LP.
This page lists
195
institutional shareholders reporting positions in this security
for the Q1 2026 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
215
Q1 2026 holders
195
Holder diff
-20
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 Value $ | Q1 2026 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.