Westamerica Bancorporation
WABC- Exchange
- Nasdaq
- Industry
- National Commercial Banks
- SEC CIK
- 0000311094
No open-market purchases or sales by Westamerica Bancorporation insiders were filed in the last 90 days; 214 institutions reported holding it in 13F filings for Q2 2026, worth $1.08B in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Westamerica Bancorporation as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 204
- −7 vs. Q4 2025
- Shares held
- 18.5M
- +1.95M (+11.7%) vs. Q4 2025
- Total value
- $967.0M
- +$173.1M (+21.8%) vs. Q4 2025
- New holders
- 21
- 69 more added
- Sold out
- 28
- 82 more reduced
5 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting WABC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 214 | $1.08B |
| Q1 2026 | 204 | $967.0M |
| Q4 2025 | 216 | $948.4M |
| Q3 2025 | 216 | $980.1M |
| Q2 2025 | 205 | $967.1M |
| Q1 2025 | 205 | $1.05B |
| Q4 2024 | 208 | $1.08B |
| Q3 2024 | 194 | $1.01B |
| Q2 2024 | 188 | $999.6M |
| Q1 2024 | 191 | $997.6M |
| Q4 2023 | 177 | $1.15B |
| Q3 2023 | 179 | $862.7M |
| Q2 2023 | 189 | $775.0M |
| Q1 2023 | 191 | $911.0M |
| Q4 2022 | 213 | $1.24B |
| Q3 2022 | 177 | $1.09B |
| Q2 2022 | 167 | $1.17B |
| Q1 2022 | 147 | $1.27B |
| Q4 2021 | 158 | $1.18B |
| Q3 2021 | 156 | $1.15B |
| Q2 2021 | 161 | $1.19B |
| Q1 2021 | 165 | $1.28B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Westamerica Bancorporation; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| SBI Securities Co., Ltd. | 3 | $156 | 0.00% | −3−50.0% | Reduced |
| WPG Advisers, LLC | 10 | $522 | 0.00% | −9−47.4% | Reduced |
| Farmers & Merchants Investments Inc | 15 | $782 | 0.00% | −3−16.7% | Reduced |
| Quadrant Capital Group LLC | 15 | $783 | 0.00% | −1,093−98.6% | Reduced |
| Rockefeller Capital Management L.P. | 15 | $783 | 0.00% | +6+66.7% | Added |
| Larson Financial Group LLC | 19 | $991 | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 12 | $1.00K | 0.00% | 00.0% | Unchanged |
| Sunbelt Securities, Inc. | 20 | $1.04K | 0.00% | −3−13.0% | Reduced |
| Keating Financial Advisory Services, Inc. | 20 | $1.04K | 0.00% | +19+1,900.0% | Added |
| Bare Financial Services, Inc | 22 | $1.15K | 0.00% | +11+100.0% | Added |
| Basecamp Wealth Advisors LLC | 30 | $1.56K | 0.00% | +30 | New |
| SJS Investment Consulting Inc. | 32 | $1.67K | 0.00% | +12+60.0% | Added |
| Sound Income Strategies, LLC | 39 | $2.00K | 0.00% | +1+2.6% | Added |
| Parkside Financial Bank & Trust | 40 | $2.09K | 0.00% | 00.0% | Unchanged |
| Osbon Capital Management LLC | 45 | $2.35K | 0.00% | 00.0% | Unchanged |
| Valued Wealth Advisors LLC | 47 | $2.45K | 0.00% | +47 | New |
| Root Financial Partners, LLC | 49 | $2.56K | 0.00% | +49 | New |
| Kilter Group LLC | 58 | $3.02K | 0.00% | +58 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 73 | $3.81K | 0.00% | 00.0% | Unchanged |
| Twin Peaks Wealth Advisors, LLC | 75 | $3.91K | 0.00% | +75 | New |
| Quarry LP | 96 | $5.01K | 0.00% | +10+11.6% | Added |
| McGuire Capital Advisors Inc | 99 | $5.16K | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 100 | $5.21K | 0.00% | −137−57.8% | Reduced |
| GWM Advisors LLC | 100 | $5.21K | 0.00% | 00.0% | Unchanged |
| Smartleaf Asset Management LLC | 106 | $5.45K | 0.00% | −99−48.3% | Reduced |
| Cedar Mountain Advisors, LLC | 134 | $6.99K | 0.00% | +130+3,250.0% | Added |
| Advisory Services Network, LLC | 136 | $7.09K | 0.00% | +136 | New |
| Boreal Capital Management LLC | 142 | $7.41K | 0.01% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 144 | $7.51K | 0.00% | +141+4,700.0% | Added |
| Umb Bank N A | 146 | $7.61K | 0.00% | +6+4.3% | Added |
| True Wealth Design, LLC | 149 | $7.77K | 0.00% | −3−2.0% | Reduced |
| Pacific Center for Financial Services | 190 | $9.91K | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 196 | $10.2K | 0.00% | +12+6.5% | Added |
| STRS Ohio | 200 | $10.4K | 0.00% | −1,700−89.5% | Reduced |
| Kimelman & Baird, LLC | 250 | $13.0K | 0.00% | −255−50.5% | Reduced |
| Rothschild Investment LLC | 252 | $13.1K | 0.00% | +39+18.3% | Added |
| Advisor Group Holdings, Inc. | 290 | $15.1K | 0.00% | −6−2.0% | Reduced |
| Salomon & Ludwin, LLC | 317 | $16.4K | 0.00% | +126+66.0% | Added |
| Jones Financial Companies LLLP | 410 | $21.0K | 0.00% | +310+310.0% | Added |
| IFP Advisors, Inc | 409 | $21.3K | 0.00% | −32−7.3% | Reduced |
| Nisa Investment Advisors, LLC | 442 | $23.1K | 0.00% | +88+24.9% | Added |
| Whittier Trust Co | 500 | $26.2K | 0.00% | 00.0% | Unchanged |
| Essential Partners LLC | 519 | $27.1K | 0.01% | −10−1.9% | Reduced |
| Harbor Capital Advisors, Inc. | 555 | $29.0K | 0.00% | +415+296.4% | Added |
| Bessemer Group Inc | 636 | $33.0K | 0.00% | +190+42.6% | Added |
| Parallel Advisors, LLC | 635 | $33.1K | 0.00% | 00.0% | Unchanged |
| Pinnacle Wealth Planning Services, Inc. | 697 | $36.3K | 0.00% | −21−2.9% | Reduced |
| Hantz Financial Services, Inc. | 705 | $37.0K | 0.00% | −74−9.5% | Reduced |
| Sterling Capital Management LLC | 787 | $41.0K | 0.00% | −615−43.9% | Reduced |
| MAI Capital Management | 881 | $45.9K | 0.00% | +96+12.2% | Added |
| Northwestern Mutual Wealth Management Co | 1,000 | $52.1K | 0.00% | −21−2.1% | Reduced |
| EverSource Wealth Advisors, LLC | 1,213 | $63.3K | 0.00% | +42+3.6% | Added |
| Golden State Wealth Management, LLC | 1,245 | $64.9K | 0.01% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 1,477 | $76.7K | 0.00% | +16+1.1% | Added |
| The PNC Financial Services Group, Inc. | 1,660 | $86.6K | 0.00% | +605+57.3% | Added |
| Russell Investments Group, Ltd. | 1,852 | $96.6K | 0.00% | −189−9.3% | Reduced |
| Ameritas Investment Partners, Inc. | 2,062 | $107.5K | 0.00% | 00.0% | Unchanged |
| Public Employees Retirement System of Ohio | 2,147 | $112.0K | 0.00% | +17+0.8% | Added |
| New York State Teachers Retirement System | 2,240 | $117.0K | 0.00% | −34,384−93.9% | Reduced |
| GAMMA Investing LLC | 2,437 | $127.1K | 0.01% | +776+46.7% | Added |
| Public Employees Retirement Association of Colorado | 3,784 | $197.0K | 0.00% | 00.0% | Unchanged |
| Los Angeles Capital Management LLC | 3,786 | $197.4K | 0.00% | −176−4.4% | Reduced |
| One Capital Management, LLC | 4,000 | $208.6K | 0.01% | +4,000 | New |
| Y-Intercept (Hong Kong) Ltd | 4,002 | $208.7K | 0.00% | −46,524−92.1% | Reduced |
| US Bancorp | 4,300 | $224.2K | 0.00% | −5−0.1% | Reduced |
| Teacher Retirement System of Texas | 4,313 | $224.9K | 0.00% | −683−13.7% | Reduced |
| Allworth Financial LP | 4,378 | $228.3K | 0.00% | −104−2.3% | Reduced |
| Tower Research Capital LLC (TRC) | 4,421 | $230.6K | 0.01% | +1,974+80.7% | Added |
| Glenmede Trust Co NA | 4,461 | $232.6K | 0.00% | −5−0.1% | Reduced |
| Captrust Financial Advisors | 4,876 | $254.3K | 0.00% | +114+2.4% | Added |
| Allianz Asset Management GmbH | 5,080 | $264.9K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 5,088 | $265.3K | 0.00% | 00.0% | Unchanged |
| West Wealth Group, LLC | 5,184 | $270.4K | 0.05% | +46+0.9% | Added |
| Fifth Third Bancorp | 5,472 | $285.4K | 0.00% | +5,394+6,915.4% | Added |
| Handelsbanken Fonder AB | 5,530 | $288.0K | 0.00% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 5,549 | $289.4K | 0.00% | −2,993−35.0% | Reduced |
| Oregon Public Employees Retirement Fund | 5,624 | $293.3K | 0.00% | −100−1.7% | Reduced |
| Creative Planning | 5,697 | $297.1K | 0.00% | +608+11.9% | Added |
| RMB Capital Management, LLC | 6,053 | $315.7K | 0.01% | +111+1.9% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 6,089 | $317.5K | 0.00% | −84−1.4% | Reduced |
| Two Sigma Securities, LLC | 6,307 | $328.9K | 0.04% | −277−4.2% | Reduced |
| Teachers Retirement System of the State of Kentucky | 6,442 | $336.0K | 0.00% | 00.0% | Unchanged |
| Arizona State Retirement System | 6,507 | $339.3K | 0.00% | −255−3.8% | Reduced |
| Intech Investment Management LLC | 6,509 | $339.4K | 0.00% | −3,890−37.4% | Reduced |
| Yousif Capital Management, LLC | 6,545 | $341.3K | 0.00% | −214−3.2% | Reduced |
| Canada Pension Plan Investment Board | 6,600 | $344.2K | 0.00% | 00.0% | Unchanged |
| Entropy Technologies, LP | 6,758 | $352.4K | 0.02% | +6,758 | New |
| SAM Advisors, LLC | 6,794 | $354.3K | 0.11% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 7,072 | $368.8K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 7,077 | $369.0K | 0.00% | −147−2.0% | Reduced |
| State Board of Administration of Florida Retirement System | 7,314 | $381.4K | 0.00% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 7,615 | $397.1K | 0.00% | +2,725+55.7% | Added |
| Victory Capital Management Inc | 7,753 | $404.3K | 0.00% | −79−1.0% | Reduced |
| Aigen Investment Management, LP | 7,844 | $409.1K | 0.11% | +7,844 | New |
| Marshall Wace, LLP | 7,900 | $412.0K | 0.00% | −3,228−29.0% | Reduced |
| Panagora Asset Management Inc | 7,926 | $413.3K | 0.00% | 00.0% | Unchanged |
| Vanguard Investments Australia, Ltd. | 7,962 | $415.2K | 0.00% | +7,962 | New |
| Meeder Asset Management Inc | 8,127 | $423.8K | 0.02% | 00.0% | Unchanged |
| Neuberger Berman Group LLC | 9,096 | $474.4K | 0.00% | +9,096 | New |
| Quantinno Capital Management LP | 9,180 | $478.7K | 0.00% | −2,420−20.9% | Reduced |