Westamerica Bancorporation (WABC) ownership: Top institutional holder: BlackRock, Inc. ($179.88M). Insider activity: Net Seller (3 buys, 17 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 3449335.00 | $179.88M | 2026-03-31 |
| VANGUARD GROUP INC | 3170769.00 | $151.66M | 2025-12-31 |
| BlackRock Fund Advisors | 2010274.00 | $126.51M | 2016-12-31 |
| AMERICAN CENTURY COMPANIES INC | 1906870.00 | $99.44M | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1759550.00 | $91.76M | 2026-03-31 |
| STATE STREET CORP | 1203283.00 | $62.75M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 1095078.00 | $57.11M | 2026-03-31 |
| DIMENSIONAL FUND ADVISORS LP | 944699.00 | $49.26M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-07-24 | |
| Sell | null | 2026-07-20 | |
| Sell | null | 2026-07-20 | |
| Sell | null | 2026-07-20 | |
| Sell | null | 2026-07-20 | |
| Sell | null | 2026-05-01 | |
| Sell | null | 2026-04-24 | |
| Sell | null | 2026-04-22 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.