WESTAMERICA BANCORPORATION COM is a security (CUSIP 957090103) tracked across SEC portfolio filings. 216 institutional managers reported $934.9M on Form 13F as of 2026-06-30; 18 registered fund positions totaling $35.3M via N-PORT as of 2026-05-31.
Showing 15 of 216 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| BlackRock, Inc. | New York, NY | $179.9M | 3,449,335 |
| VANGUARD GROUP INC | Valley Forge, PA | $151.7M | 3,170,769 |
| AMERICAN CENTURY COMPANIES INC | KANSAS CITY, MO | $99.4M | 1,906,870 |
| STATE STREET CORP | BOSTON, MA | $62.8M | 1,203,283 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $49.3M | 944,699 |
| GEODE CAPITAL MANAGEMENT, LLC | BOSTON, MA | $32.0M | 613,162 |
| AQR CAPITAL MANAGEMENT LLC | Greenwich, CT | $20.8M | 399,046 |
| Nuveen, LLC | CHARLOTTE, NC | $18.7M | 359,345 |
| TWO SIGMA INVESTMENTS, LP | New York, NY | $18.4M | 353,032 |
| PALISADE CAPITAL MANAGEMENT, LP | FORT LEE, NJ | $15.9M | 304,954 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | SAN FRANCISCO, CA | $15.5M | 297,925 |
| NORTHERN TRUST CORP | CHICAGO, IL | $15.1M | 288,977 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | BOSTON, MA | $14.8M | 283,809 |
| RBO & CO LLC | ST HELENA, CA | $14.7M | 282,198 |
| MORGAN STANLEY | NEW YORK, NY | $13.3M | 255,156 |
Showing 15 of 18 fund positions by value.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| VANGUARD EXTENDED MARKET INDEX FUND | VANGUARD INDEX FUNDS | $14.3M | 1.76% |
| VANGUARD RUSSELL 2000 INDEX FUND | VANGUARD SCOTTSDALE FUNDS | $6.8M | 3.86% |
| U.S. MICRO CAP PORTFOLIO | DFA INVESTMENT DIMENSIONS GROUP INC | $5.8M | 7.71% |
| ROYCE SMALL-CAP TRUST, INC. | ROYCE SMALL-CAP TRUST, INC. | $2.2M | 10.04% |
| Master Small Cap Index Series | Quantitative Master Series LLC | $2.1M | 4.26% |
| VANGUARD MARKET NEUTRAL FUND | VANGUARD MONTGOMERY FUNDS | $798K | 18.49% |
| VANGUARD BALANCED INDEX FUND | VANGUARD VALLEY FORGE FUNDS | $752K | 0.13% |
| BNY Mellon Smallcap Stock Index Fund | BNY MELLON INDEX FUNDS, INC. | $679K | 8.01% |
| VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND | VANGUARD INSTITUTIONAL INDEX FUNDS | $633K | 0.21% |
| Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF | Goldman Sachs ETF Trust | $501K | 5.08% |
| Strategic Allocation: Aggressive Fund | American Century Strategic Asset Allocations Inc | $251K | 3.41% |
| Bridge Builder Tax Managed Small/Mid Cap Fund | Bridge Builder Trust | $203K | 0.67% |
| DWS Small Cap Index VIP | DEUTSCHE DWS INVESTMENTS VIT FUNDS | $173K | 4.13% |
| Vericimetry U.S. Small Cap Value Fund | VERICIMETRY FUNDS | $85K | 5.06% |
| Blackstone Alternative Multi-Strategy Fund | Blackstone Alternative Investment Funds | $47K | 0.13% |