Companies / Westamerica Bancorporation
Westamerica Bancorporation
Financials
Ownership
23.1M shares outstanding · as of Jul 30, 2026
Ownership
| Insiders | 0.06% | 13,460 |
| 10%+ / strategic | 6.03% | 1,394,074 |
| Institutions | 79.83% | 18,450,777 |
| Public float | 14.07% | 3,252,842 |
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 10
View all →| Insider | % of shares | Shares |
|---|---|---|
Ensinger George SSVP/Human Resources Div. Mgr | 0.03% | 6,565 |
Donohoe Brian JSVP/Chief Information Officer | 0.03% | 5,901 |
Baker Robert James JrSVP/Banking Division Manager | <0.01% | 759 |
Jonas Anela MaryaSVP/CFO | <0.01% | 236 |
Belton CurtisSVP/Risk Officer | — | — |
| — | — | |
Mihalik Matthew JohnSVP/Treasurer | — | — |
Thorsen Cheryl ChristineSVP/HR Division Manager | — | — |
| — | — | |
Welch Carter Andrew Mr.Director | — | — |
Institutional holders 217
View all →| Holder | Value | % of shares |
|---|---|---|
| $195.71M | 14.43% | |
| $151.66M | 13.72% | |
| $87.76M | 7.94% | |
| $81.79M | 6.03% | |
| $42.93M | 3.88% | |
| $31.98M | 2.65% | |
| $21.87M | 1.98% | |
| $20.81M | 1.73% | |
| $18.41M | 1.53% | |
| $16.97M | 1.54% |
Activity
Jun 30, 2026View all →
InsidersInstitutions
Who's accumulating and trimming this stock (13F).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q1 2026 as of | Millennium Management LLC 13F manager | Trim | Common stock | $-14.80M | -284K -83.47% | 56,201 0.24% of shares | medium |
| Q2 2026 as of | State Street Corporation 13F manager | Add | Common stock | $10.13M | +173K +14.14% | 1,394,074 6.03% of shares | medium |
| Q2 2026 as of | BlackRock, Inc. 13F manager | Trim | Common stock | $-9.63M | -164K -4.69% | 3,335,703 14.43% of shares | medium |
| Q1 2026 as of | Two Sigma Investments, LP 13F manager | Add | Common stock | $8.73M | +167K +90.11% | 353,032 1.53% of shares | medium |
| Q1 2026 as of | Renaissance Technologies LLC 13F manager | Add | Common stock | $2.97M | +57K +59.56% | 152,431 0.66% of shares | low |
| Q1 2026 as of | First Trust Advisors LP 13F manager | Add | Common stock | $2.67M | +51K +64.07% | 130,982 0.57% of shares | low |
| Q4 2025 as of | Norges Bank 13F manager | Exit | Common stock | $-2.23M | -44K -100.00% | 0 | low |
| Q1 2026 as of | Jupiter Asset Management Ltd 13F manager | Trim | Common stock | $-1.50M | -29K -22.80% | 97,707 0.42% of shares | low |
5%+ ownership events
Schedule 13D / 13G
| Filer | Stance | % of class |
|---|---|---|
| State Street Corporation | Passive13G | — |
| Vanguard Group Inc | Passive13G/A | — |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| WABC | — | 957090103 |