Westamerica Bancorporation (WABC) shareholders
WABCNasdaqNational Commercial BanksFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 6, 2026Score 14/3016% above fair value
$59.47−0.17 (-0.29%)
Close on Nov 13, 2026Market cap $1.37BP/E 12.8Yield 3.06%
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
79.9%
18M of 23M shares
Institutional holders
214
37 new, 23 sold out
Net institutional buying
-0M
In Q2 2026
Insider trades, 12 months
1 buys · 1 sales
Net sold $37.58K
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| BlackRock, Inc. | 3,902,878 | – | 13G (passive) amendment | Dec 31, 2023 |
| American Century Investment Management, Inc. Joint filing with American Century Companies, Inc. (8.30%), Stowers Institute for Medical Research (8.30%) | 1,958,072 | 8.30% | 13G (passive) amendment | Jun 30, 2026 |
| Vanguard Portfolio Management | 1,773,131 | 7.33% | 13G (passive) | Mar 31, 2026 |
| State Street Corporation | 1,394,074 | 5.90% | 13G (passive) | Jun 30, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of WABC | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| BlackRock, Inc. | 3,335,703 | 14.43% | $195.71M | −113,632 | 0.00% |
| American Century Companies Inc | 1,958,072 | 8.47% | $114.88M | +51,202 | 0.05% |
| Vanguard Portfolio Management LLC | 1,720,645 | 7.45% | $100.95M | −38,905 | 0.00% |
| State Street Corp | 1,394,074 | 6.03% | $81.79M | +190,791 | 0.00% |
| Vanguard Capital Management LLC | 1,034,531 | 4.48% | $60.70M | −60,547 | 0.00% |
| Dimensional Fund Advisors LP | 983,639 | 4.26% | $57.71M | +38,940 | 0.01% |
| Geode Capital Management, LLC | 627,073 | 2.71% | $36.80M | +13,911 | 0.00% |
| Aqr Capital Management LLC | 495,223 | 2.14% | $29.05M | +96,177 | 0.01% |
| Nuveen, LLC | 382,288 | 1.65% | $22.43M | +22,943 | 0.01% |
| rhino investment partners, Inc | 324,824 | 1.41% | $19.06M | New | 5.77% |
| Arrowstreet Capital, Limited Partnership | 324,191 | 1.40% | $19.02M | +40,382 | 0.01% |
| Two Sigma Investments, LP | 303,836 | 1.31% | $17.83M | −49,196 | 0.01% |
| Northern Trust Corp | 303,422 | 1.31% | $17.80M | +14,445 | 0.00% |
| Charles Schwab Investment Management Inc | 294,930 | 1.28% | $17.30M | −2,995 | 0.00% |
| Rbo & Co LLC | 275,551 | 1.19% | $16.17M | −6,647 | 2.57% |
| Mackenzie Financial Corp | 242,861 | 1.05% | $14.25M | New | 0.01% |
| Morgan Stanley | 229,998 | 1.00% | $13.49M | −25,158 | 0.00% |
| Goldman Sachs Group Inc | 228,465 | 0.99% | $13.40M | +1,745 | 0.00% |
| Bank of New York Mellon Corp | 211,466 | 0.91% | $12.41M | +1,953 | 0.00% |
| T. Rowe Price Investment Management, Inc. | 193,995 | 0.84% | $11.38M | −1,847 | 0.01% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 214 | 18M | 79.9% | 37 / 70 | 71 / 23 | 1M | 2M |
| Q1 2026 | 204 | 19M | 80.2% | 21 / 69 | 83 / 28 | 4M | 2M |
| Q4 2025 | 216 | 20M | 86.8% | 25 / 73 | 91 / 21 | 1M | 1M |
| Q3 2025 | 216 | 20M | 85.3% | 28 / 74 | 80 / 16 | 1M | 2M |
| Q2 2025 | 205 | 20M | 86.5% | 27 / 70 | 73 / 26 | 2M | 2M |
| Q1 2025 | 205 | 21M | 89.7% | 22 / 65 | 79 / 23 | 2M | 1M |
| Q4 2024 | 208 | 21M | 88.9% | 31 / 70 | 65 / 14 | 1M | 1M |
| Q3 2024 | 194 | 21M | 88.9% | 26 / 58 | 76 / 18 | 5M | 1M |
| Q2 2024 | 188 | 21M | 89.3% | 23 / 57 | 74 / 25 | 1M | 3M |
| Q1 2024 | 191 | 22M | 95.1% | 35 / 60 | 64 / 19 | 2M | 2M |
| Q4 2023 | 176 | 21M | 92.0% | 26 / 55 | 64 / 26 | 3M | 1M |
| Q3 2023 | 179 | 20M | 86.3% | 16 / 57 | 75 / 26 | 1M | 1M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
265 funds held WABC in Q2 2026, 59% of their shares through ETFs. Each fund counts once per quarter, from its quarter-end report.
| Fund | Shares | % of WABC | Value | % of fund | As of |
|---|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 1,412,949 | 6.11% | $82.90M | 0.07% | Jun 30, 2026 |
| Avantis U.S. Small Cap Value ETF | 765,925 | 3.31% | $42.50M | 0.16% | May 31, 2026 |
| Vanguard Total Stock Market Index Fund | 740,588 | 3.20% | $43.45M | 0.00% | Jun 30, 2026 |
| Mid Cap Value Fund | 575,985 | 2.49% | $33.79M | 0.60% | Jun 30, 2026 |
| iShares Russell 2000 ETF | 557,751 | 2.41% | $32.72M | 0.04% | Jun 30, 2026 |
| Vanguard Small-Cap Index Fund | 538,261 | 2.33% | $31.58M | 0.02% | Jun 30, 2026 |
| Vanguard Small-Cap Value Index Fund | 341,228 | 1.48% | $20.02M | 0.03% | Jun 30, 2026 |
| State Street(R) SPDR(R) S&P(R) Regional Banking ETF | 283,750 | 1.23% | $16.65M | 0.35% | Jun 30, 2026 |
| Vanguard Extended Market Index Fund | 269,059 | 1.16% | $15.79M | 0.02% | Jun 30, 2026 |
| Fidelity Small Cap Index Fund | 261,493 | 1.13% | $15.73M | 0.05% | Jul 31, 2026 |
| State Street(R) SPDR(R) Portfolio S&P 600(TM) Small Cap ETF | 215,737 | 0.93% | $12.66M | 0.07% | Jun 30, 2026 |
| iShares Russell 2000 Value ETF | 205,384 | 0.89% | $12.05M | 0.08% | Jun 30, 2026 |
| Vanguard Strategic Small-Cap Equity Fund | 178,051 | 0.77% | $10.45M | 0.33% | Jun 30, 2026 |
| Vanguard Tax-Managed Small-Cap Fund | 162,776 | 0.70% | $9.55M | 0.08% | Jun 30, 2026 |
| U.S. Small Cap Portfolio | 162,753 | 0.70% | $9.79M | 0.05% | Jul 31, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Curtis Belton | SVP/Risk Officer | 815 | 0.00% | Oct 23, 2026 |
| Brian J. Donohoe | SVP/Chief Information Officer | 2,322 | 0.01% | Jul 20, 2026 |
| Robert James Baker Jr | SVP/Banking Division Manager | 3,801 | 0.02% | Jul 20, 2026 |
| George S. Ensinger | SVP/Human Resources Div. Mgr | 7,227 | 0.03% | Mar 2, 2026 |
| Anela Marya Jonas | SVP/CFO | 2,762 | 0.01% | Feb 25, 2026 |
| Matthew John Mihalik | SVP/Treasurer | 0 | – | Jan 30, 2026 |
| Cheryl Christine Thorsen | SVP/HR Division Manager | 0 | – | Jan 26, 2026 |
| John Joseph Sousa III | SVP/TREASURER | 25 | 0.00% | Feb 6, 2025 |
| Inez Wondeh | Director | 1,007 | 0.00% | Apr 23, 2026 |
| Carter Andrew Mr. Welch | Director | 0 | – | Mar 6, 2026 |
| Martin Camsey | Director | 149 | 0.00% | Apr 24, 2025 |
| E. Joseph Bowler | – | 25,887 | 0.11% | Feb 4, 2026 |
| John A. Thorson | – | 4,528 | 0.02% | Feb 4, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Inez Wondeh Director | Apr 22, 2026 | Buy | +61 | $53.79 | $3.28K | 1,007 |
| Robert James Baker Jr SVP/Banking Division Manager | Apr 20, 2026 | Sale | −759 | $53.83 | $40.86K | 0 |
| Brian J. Donohoe SVP/Chief Information Officer | Mar 2, 2026 | Tax withholding | −1,010 | $50.90 | $51.41K | 3,814 |
| Robert James Baker Jr SVP/Banking Division Manager | Mar 2, 2026 | Tax withholding | −601 | $50.90 | $30.59K | 759 |
| George S. Ensinger SVP/Human Resources Div. Mgr | Mar 2, 2026 | Tax withholding | −1,156 | $50.90 | $58.84K | 6,565 |
| Anela Marya Jonas SVP/CFO | Feb 24, 2026 | Award | +15 | – | – | 236 |
| Brian J. Donohoe SVP/Chief Information Officer | Jan 22, 2026 | Award | +2,040 | – | – | 2,087 |
| George S. Ensinger SVP/Human Resources Div. Mgr | Jan 22, 2026 | Award | +986 | – | – | 7,313 |
| George S. Ensinger SVP/Human Resources Div. Mgr | Jan 22, 2026 | Award | +1,412 | – | – | 6,327 |
| George S. Ensinger SVP/Human Resources Div. Mgr | Jan 22, 2026 | Award | +408 | – | – | 7,721 |
| Robert James Baker Jr SVP/Banking Division Manager | Jan 22, 2026 | Award | +1,360 | – | – | 1,360 |
| Brian J. Donohoe SVP/Chief Information Officer | Jan 22, 2026 | Award | +2,040 | – | – | 2,087 |
| Inez Wondeh Director | Apr 29, 2025 | Buy | +451 | $48.51 | $21.88K | 946 |
| John A. Thorson SVP/Treasurer | Apr 28, 2025 | Sale | −2,243 | $48.57 | $108.94K | 11,591 |
| Robert James Baker Jr SVP/Banking Division Manager | Apr 24, 2025 | Sale | −710 | $48.16 | $34.19K | 0 |
| Martin Camsey Director | Apr 24, 2025 | Buy | +63 | $47.50 | $2.99K | 63 |
| Robert James Baker Jr SVP/Banking Division Manager | Mar 3, 2025 | Tax withholding | −560 | $51.82 | $29.02K | 710 |
| Brian J. Donohoe SVP/Chief Information Officer | Mar 3, 2025 | Tax withholding | −998 | $51.82 | $51.72K | 47 |
| George S. Ensinger SVP/Human Resources Div. Mgr | Mar 3, 2025 | Tax withholding | −588 | $51.82 | $30.47K | 4,915 |
| John A. Thorson SVP/Treasurer | Mar 3, 2025 | Tax withholding | −1,999 | $51.82 | $103.59K | 2,595 |
| Robert James Baker Jr SVP/Banking Division Manager | Jan 29, 2025 | Sale | −248.23 | $51.76 | $12.85K | 1,270 |
| Robert James Baker Jr SVP/Banking Division Manager | Jan 23, 2025 | Award | +1,270 | – | – | 1,518 |
| Robert James Baker Jr SVP/Banking Division Manager | Jan 23, 2025 | Award | +1,270 | – | – | 2,223 |
| John A. Thorson SVP/Treasurer | Jan 23, 2025 | Award | +2,180 | – | – | 2,180 |
| John A. Thorson SVP/Treasurer | Jan 23, 2025 | Award | +1,560 | – | – | 3,740 |
| John A. Thorson SVP/Treasurer | Jan 23, 2025 | Award | +854 | – | – | 4,594 |
| George S. Ensinger SVP/Human Resources Div. Mgr | Jan 23, 2025 | Award | +1,430 | – | – | 5,503 |
| Brian J. Donohoe SVP/Chief Information Officer | Jan 23, 2025 | Award | +1,900 | – | – | 3,829 |
| Brian J. Donohoe SVP/Chief Information Officer | Jul 24, 2024 | Award | +25 | – | – | 1,929 |
| Robert James Baker Jr SVP/Banking Division Manager | Jul 22, 2024 | Sale | −705 | $52.73 | $37.17K | 244 |
| John A. Thorson SVP/CFO | Jun 25, 2024 | Award | +35 | – | – | 13,834 |
| George S. Ensinger SVP/Human Resources Div. Mgr | Apr 29, 2024 | Sale | −635 | $47.61 | $30.23K | 4,073 |
| Alisa Jane Belew Director | Apr 23, 2024 | Buy | +208 | $47.81 | $9.94K | 208 |
| John A. Thorson SVP/CFO | Apr 22, 2024 | Sale | −1,100 | $47.24 | $51.96K | 0 |
| George S. Ensinger SVP/Human Resources Div. Mgr | Mar 26, 2024 | Award | +10 | $47.17 | $472 | 4,708 |
| Brian J. Donohoe SVP/Operations and Systems Mgr | Mar 1, 2024 | Tax withholding | −748 | $45.58 | $34.09K | 1,904 |
| John A. Thorson SVP/CFO | Mar 1, 2024 | Tax withholding | −1,070 | $45.58 | $48.77K | 1,100 |
| George S. Ensinger SVP/Human Resources Div. Mgr | Mar 1, 2024 | Tax withholding | −587 | $45.58 | $26.76K | 4,698 |
| David L. Payne Chairman, President & CEO, Director | Feb 1, 2024 | Sale | −11,272 | $46.79 | $527.42K | 242,417 |
| David L. Payne Chairman, President & CEO, Director | Jan 31, 2024 | Sale | −15,000 | $49.00 | $735.00K | 253,689 |
| David L. Payne Chairman, President & CEO, Director | Jan 30, 2024 | Sale | −10,000 | $49.51 | $495.10K | 268,689 |
| David L. Payne Chairman, President & CEO, Director | Jan 29, 2024 | Sale | −10,000 | $48.28 | $482.80K | 278,689 |
| Brian J. Donohoe SVP/Operations and Systems Mgr | Jan 25, 2024 | Award | +1,900 | – | – | 2,652 |
| George S. Ensinger SVP/Human Resources Div. Mgr | Jan 25, 2024 | Award | +1,430 | – | – | 5,285 |
| John A. Thorson SVP/CFO | Jan 25, 2024 | Award | +2,170 | – | – | 2,170 |
| David L. Payne Chairman, President & CEO, Director | Jan 25, 2024 | Sale | −15,000 | $49.75 | $746.25K | 288,689 |
| David L. Payne Chairman, President & CEO, Director | Jan 24, 2024 | Sale | −30,000 | $49.50 | $1.49M | 303,689 |
| David L. Payne Chairman, President & CEO, Director | Jan 23, 2024 | Sale | −8,728 | $50.95 | $444.69K | 333,689 |
| Curtis Belton Vice President/General Auditor | Aug 3, 2023 | Sale | −463.87 | $49.04 | $22.75K | 0 |
| Curtis Belton Vice President/General Auditor | Jul 25, 2023 | Sale | −25.51 | $48.75 | $1.24K | 0 |
| David L. Payne Chairman, President & CEO, Director | Jun 15, 2023 | Inheritance | +342,417 | – | – | 342,417 |
| Michele R. Hassid Director | May 4, 2023 | Buy | +265 | $37.70 | $9.99K | 623 |
| Melanie Martella Chiesa Director | May 4, 2023 | Buy | +250 | $36.69 | $9.17K | 250 |
| Inez Wondeh Director | Apr 27, 2023 | Buy | +495 | $40.38 | $19.99K | 495 |
| John A. Thorson SVP/Treasurer | Mar 1, 2023 | Tax withholding | −976 | $55.38 | $54.05K | 13,799 |
| George S. Ensinger SVP/Human Resources Div. Mgr | Mar 1, 2023 | Tax withholding | −565 | $55.38 | $31.29K | 3,855 |
| Brian J. Donohoe SVP/Operations and Systems Mgr | Mar 1, 2023 | Tax withholding | −530 | $55.38 | $29.35K | 752 |
| John A. Thorson SVP/Treasurer | Jan 26, 2023 | Award | +1,950 | – | – | 1,950 |
| Brian J. Donohoe SVP/Operations and Systems Mgr | Jan 26, 2023 | Award | +1,260 | – | – | 1,282 |
| George S. Ensinger SVP/Human Resources Div. Mgr | Jan 26, 2023 | Award | +1,290 | – | – | 4,420 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Short interest
Shares sold short and not yet bought back, as of Oct 30, 2026 (FINRA, reported twice a month)
Short % of float
3.72%
1M shares short
Days to cover
5.3
At 0M shares a day
Change since last report
-6.6%
From 1M shares
Short volume, 20 days
59.0%
Of volume reported to FINRA
Shares sold short, last 12 months
Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of Westamerica Bancorporation's stock actually held short. Settlement fails (shares not delivered on time) peaked at 800 shares on Sep 3, 2026 over the last 90 days.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Curtis Belton Officer | Oct 23, 2026 | 7,400 | $454.41K | Oct 23, 2026 | Employee Stock Option Exercise |
| Curtis Belton Officer | Jul 24, 2026 | 9,200 | $556.96K | Jul 24, 2026 | Employee Stock Option Exercise |
| Brian J. Donohoe Officer | Jul 20, 2026 | 21,000 | $1.29M | Jul 20, 2026 | Employee Stock Option Exercise |
| Robert James Baker Jr Officer | Jul 20, 2026 | 29,400 | $1.80M | Jul 20, 2026 | Employee Stock Option Exercise |
| Robert James Baker Jr Officer | May 1, 2026 | 10,200 | $563.96K | May 1, 2026 | Employee Stock Option Exercise |
| Curtis Belton Officer | Apr 24, 2026 | 10,600 | $580.98K | Apr 24, 2026 | Employee Stock Option Exercise |
| Robert James Baker Jr Officer | Apr 20, 2026 | 759 | $40.86K | Apr 20, 2026 | RSU / PSU |
| John A. Thorson Former Officer | Jul 3, 2025 | 7,567 | $391.21K | Jul 3, 2025 | Employee Stock Option Exercise |
| John A. Thorson Former Officer | Apr 28, 2025 | 2,243 | $108.95K | Apr 28, 2025 | Performance Stock Lapse |
| Robert James Baker Jr Officer | Apr 24, 2025 | 710 | $34.19K | Apr 24, 2025 | Performance Stock Lapse |
| George S. Ensinger Officer | Apr 29, 2024 | 635 | $30.23K | Apr 29, 2024 | Performance Stock Lapse |
| John A. Thorson Officer | Apr 22, 2024 | 1,100 | $51.96K | Apr 22, 2024 | Restricted Stock Lapse |
| David L. Payne Officer | Jan 22, 2024 | 100,000 | $5.16M | Jan 22, 2024 | Jeanne Payne acquired shares as the result of a death beneficiary from the passing of her father |
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