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, Q4 2025
Institutional positions in Westamerica Bancorporation as of Dec 31, 2025. 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
- 216
- +4 vs. Q3 2025
- Shares held
- 19.8M
- +247.2K (+1.3%) vs. Q3 2025
- Total value
- $948.4M
- −$30.3M (−3.1%) vs. Q3 2025
- New holders
- 25
- 72 more added
- Sold out
- 21
- 92 more reduced
4 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Westamerica Bancorporation; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 3,499,788 | $167.4M | 0.00% | −29,099−0.8% | Reduced |
| Vanguard Group Inc | 3,170,769 | $151.7M | 0.00% | −13,645−0.4% | Reduced |
| American Century Companies Inc | 1,834,777 | $87.8M | 0.04% | +59,864+3.4% | Added |
| State Street Corp | 1,221,379 | $58.4M | 0.00% | −6,223−0.5% | Reduced |
| Dimensional Fund Advisors LP | 897,572 | $42.9M | 0.01% | +3,378+0.4% | Added |
| Geode Capital Management, LLC | 606,467 | $29.0M | 0.00% | −18,136−2.9% | Reduced |
| UBS Group AG | 457,206 | $21.9M | 0.00% | +336,714+279.4% | Added |
| AQR Capital Management LLC | 381,832 | $18.3M | 0.01% | +100,867+35.9% | Added |
| Nuveen, LLC | 354,890 | $17.0M | 0.00% | −2,760−0.8% | Reduced |
| Millennium Management LLC | 340,009 | $16.3M | 0.01% | −59,188−14.8% | Reduced |
| Palisade Capital Management LLC | 318,597 | $15.2M | 0.45% | −50,579−13.7% | Reduced |
| Charles Schwab Investment Management Inc | 298,471 | $14.3M | 0.00% | +14,121+5.0% | Added |
| Arrowstreet Capital, Limited Partnership | 295,388 | $14.1M | 0.01% | −6,748−2.2% | Reduced |
| Morgan Stanley | 294,769 | $14.1M | 0.00% | −392−0.1% | Reduced |
| Northern Trust Corp | 287,469 | $13.7M | 0.00% | −21,992−7.1% | Reduced |
| Rbo & Co LLC | 286,840 | $13.7M | 2.18% | −10,248−3.4% | Reduced |
| Goldman Sachs Group Inc | 259,340 | $12.4M | 0.00% | +53,788+26.2% | Added |
| T. Rowe Price Investment Management, Inc. | 238,981 | $11.4M | 0.01% | −7,548−3.1% | Reduced |
| MetLife Investment Management | 228,658 | $10.9M | 0.05% | +72,760+46.7% | Added |
| Qube Research & Technologies Ltd | 228,482 | $10.9M | 0.02% | +10,834+5.0% | Added |
| Citadel Advisors LLC | 210,400 | $10.1M | 0.01% | +43,165+25.8% | Added |
| Bank of New York Mellon Corp | 208,551 | $9.97M | 0.00% | −11,446−5.2% | Reduced |
| Two Sigma Investments, LP | 185,701 | $8.88M | 0.01% | +6,234+3.5% | Added |
| Principal Financial Group Inc | 145,533 | $6.96M | 0.00% | +4,890+3.5% | Added |
| Leeward Investments, LLC - MA | 141,929 | $6.79M | 0.34% | −843−0.6% | Reduced |
| New York State Common Retirement Fund | 129,418 | $6.19M | 0.01% | −24,300−15.8% | Reduced |
| Jupiter Asset Management Ltd | 126,561 | $6.05M | 0.05% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 120,900 | $5.78M | 0.01% | +3,600+3.1% | Added |
| Invesco Ltd. | 113,646 | $5.44M | 0.00% | −10,268−8.3% | Reduced |
| Renaissance Technologies LLC | 95,531 | $4.57M | 0.01% | +6,000+6.7% | Added |
| JPMorgan Chase & Co | 86,449 | $4.13M | 0.00% | −11,817−12.0% | Reduced |
| Public Sector Pension Investment Board | 86,306 | $4.13M | 0.01% | −13,003−13.1% | Reduced |
| Raymond James Financial Inc | 79,838 | $3.82M | 0.00% | −297−0.4% | Reduced |
| First Trust Advisors LP | 79,834 | $3.82M | 0.00% | −8,187−9.3% | Reduced |
| Rhumbline Advisers | 77,480 | $3.71M | 0.00% | −4,514−5.5% | Reduced |
| Point72 Asset Management, L.P. | 71,970 | $3.44M | 0.01% | +62,567+665.4% | Added |
| Maltese Capital Management LLC | 68,000 | $3.25M | 0.58% | −38,500−36.2% | Reduced |
| Jane Street Group, LLC | 66,724 | $3.19M | 0.00% | −421−0.6% | Reduced |
| Dark Forest Capital Management LP | 63,887 | $3.06M | 0.14% | +19,795+44.9% | Added |
| Legal & General Group Plc | 63,637 | $3.04M | 0.00% | −4,399−6.5% | Reduced |
| Ieq Capital, LLC | 59,478 | $2.84M | 0.01% | +15,745+36.0% | Added |
| Bank of America Corp | 58,375 | $2.79M | 0.00% | −11,127−16.0% | Reduced |
| Trexquant Investment LP | 55,918 | $2.67M | 0.02% | +55,918 | New |
| Ameriprise Financial Inc | 54,371 | $2.60M | 0.00% | −4,520−7.7% | Reduced |
| Brandywine Global Investment Management, LLC | 53,476 | $2.56M | 0.02% | −2,100−3.8% | Reduced |
| Algert Global LLC | 51,318 | $2.45M | 0.04% | 00.0% | Unchanged |
| Y-Intercept (Hong Kong) Ltd | 50,526 | $2.42M | 0.05% | −8,192−14.0% | Reduced |
| Swiss National Bank | 47,800 | $2.29M | 0.00% | −3,200−6.3% | Reduced |
| Winton Group Ltd | 46,347 | $2.22M | 0.08% | +22,224+92.1% | Added |
| Barclays PLC | 45,527 | $2.18M | 0.00% | +6,571+16.9% | Added |
| Royce & Associates LP | 42,934 | $2.05M | 0.02% | −712−1.6% | Reduced |
| UBS Asset Management Americas Inc | 42,725 | $2.04M | 0.00% | +201+0.5% | Added |
| Jacobs Levy Equity Management, Inc | 39,137 | $1.87M | 0.01% | −1,470−3.6% | Reduced |
| Numerai GP LLC | 38,346 | $1.83M | 0.22% | +8,673+29.2% | Added |
| IFG Advisory, LLC | 37,972 | $1.82M | 0.08% | −8,366−18.1% | Reduced |
| Commonwealth Equity Services, LLC | 37,755 | $1.81M | 0.00% | −3,485−8.5% | Reduced |
| Tudor Investment Corp Et Al | 36,665 | $1.75M | 0.01% | −10,811−22.8% | Reduced |
| New York State Teachers Retirement System | 36,624 | $1.75M | 0.00% | −250−0.7% | Reduced |
| Man Group plc | 36,288 | $1.74M | 0.00% | +19,795+120.0% | Added |
| Voya Investment Management LLC | 35,646 | $1.70M | 0.00% | +233+0.7% | Added |
| Wells Fargo & Company | 35,383 | $1.69M | 0.00% | +8,869+33.5% | Added |
| Price T Rowe Associates Inc | 33,177 | $1.59M | 0.00% | +4,322+15.0% | Added |
| SG Americas Securities, LLC | 32,499 | $1.55M | 0.00% | +15,157+87.4% | Added |
| FMR LLC | 30,335 | $1.45M | 0.00% | +6,107+25.2% | Added |
| Alliancebernstein L.P. | 29,520 | $1.41M | 0.00% | 00.0% | Unchanged |
| Quest Partners LLC | 28,550 | $1.37M | 0.08% | −1,437−4.8% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 26,859 | $1.28M | 0.00% | −3,205−10.7% | Reduced |
| SEI Investments Co | 26,265 | $1.26M | 0.00% | +4,300+19.6% | Added |
| LPL Financial LLC | 25,858 | $1.24M | 0.00% | +3,297+14.6% | Added |
| CWM, LLC | 24,952 | $1.19M | 0.00% | +5,367+27.4% | Added |
| Cerity Partners LLC | 24,570 | $1.18M | 0.00% | +8,528+53.2% | Added |
| California State Teachers Retirement System | 24,267 | $1.16M | 0.00% | −99−0.4% | Reduced |
| Great West Life Assurance Co | 23,848 | $1.14M | 0.00% | −9,784−29.1% | Reduced |
| BNP Paribas Arbitrage, SA | 23,507 | $1.12M | 0.00% | −4,521−16.1% | Reduced |
| Prudential Financial Inc | 23,412 | $1.12M | 0.00% | −2,490−9.6% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 22,713 | $1.09M | 0.00% | +22,713 | New |
| Deutsche Bank AG | 22,587 | $1.08M | 0.00% | +1,230+5.8% | Added |
| Citigroup Inc | 22,495 | $1.08M | 0.00% | −942−4.0% | Reduced |
| Cypress Wealth Services, LLC | 21,775 | $1.04M | 0.14% | 00.0% | Unchanged |
| Rafferty Asset Management, LLC | 21,536 | $1.03M | 0.00% | −2,877−11.8% | Reduced |
| Mariner, LLC | 17,812 | $854.4K | 0.00% | +9,497+114.2% | Added |
| Denali Advisors LLC | 17,800 | $851.4K | 0.09% | −86,700−83.0% | Reduced |
| Thrivent Financial for Lutherans | 17,133 | $819.0K | 0.00% | −1,236−6.7% | Reduced |
| Summit Global Investments | 16,666 | $797.0K | 0.05% | −93−0.6% | Reduced |
| SummerHaven Investment Management, LLC | 16,433 | $786.0K | 0.45% | 00.0% | Unchanged |
| Balyasny Asset Management LLC | 16,356 | $782.3K | 0.00% | +12,295+302.8% | Added |
| Royal Bank of Canada | 14,761 | $706.0K | 0.00% | +241+1.7% | Added |
| Wealth Enhancement Advisory Services, LLC | 13,653 | $662.5K | 0.00% | +1,945+16.6% | Added |
| State of Alaska, Department of Revenue | 13,804 | $660.0K | 0.01% | −56−0.4% | Reduced |
| Illinois Municipal Retirement Fund | 13,718 | $656.1K | 0.01% | −385−2.7% | Reduced |
| KLP Kapitalforvaltning AS | 13,700 | $655.3K | 0.00% | +3,100+29.2% | Added |
| Stifel Financial Corp | 13,006 | $622.1K | 0.00% | +116+0.9% | Added |
| Horizon Investments, LLC | 12,728 | $608.8K | 0.01% | +1,268+11.1% | Added |
| HSBC Holdings PLC | 11,945 | $569.8K | 0.00% | +11,945 | New |
| O'Shaughnessy Asset Management, LLC | 11,772 | $563.1K | 0.00% | +4,981+73.3% | Added |
| Janus Henderson Group PLC | 11,748 | $561.5K | 0.00% | 00.0% | Unchanged |
| Quantinno Capital Management LP | 11,600 | $554.8K | 0.00% | +5,826+100.9% | Added |
| Louisiana State Employees Retirement System | 11,400 | $545.3K | 0.01% | −300−2.6% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 11,252 | $538.2K | 0.00% | −213−1.9% | Reduced |
| State of Tennessee, Treasury Department | 10,623 | $537.3K | 0.00% | +3,983+60.0% | Added |