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, Q2 2026
Institutional positions in Westamerica Bancorporation as of Jun 30, 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
- 214
- +13 vs. Q1 2026
- Shares held
- 18.5M
- −57.1K (−0.3%) vs. Q1 2026
- Total value
- $1.08B
- +$117.3M (+12.2%) vs. Q1 2026
- New holders
- 36
- 70 more added
- Sold out
- 23
- 71 more reduced
3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Westamerica Bancorporation; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 3,335,703 | $195.7M | 0.00% | −113,632−3.3% | Reduced |
| American Century Companies Inc | 1,958,072 | $114.9M | 0.05% | +51,202+2.7% | Added |
| Vanguard Portfolio Management LLC | 1,720,645 | $101.0M | 0.00% | −38,905−2.2% | Reduced |
| State Street Corp | 1,394,074 | $81.8M | 0.00% | +190,791+15.9% | Added |
| Vanguard Capital Management LLC | 1,034,531 | $60.7M | 0.00% | −60,547−5.5% | Reduced |
| Dimensional Fund Advisors LP | 983,639 | $57.7M | 0.01% | +38,940+4.1% | Added |
| Geode Capital Management, LLC | 627,073 | $36.8M | 0.00% | +13,911+2.3% | Added |
| AQR Capital Management LLC | 495,223 | $29.1M | 0.01% | +96,177+24.1% | Added |
| Nuveen, LLC | 382,288 | $22.4M | 0.01% | +22,943+6.4% | Added |
| rhino investment partners, Inc | 324,824 | $19.1M | 5.77% | +324,824 | New |
| Arrowstreet Capital, Limited Partnership | 324,191 | $19.0M | 0.01% | +40,382+14.2% | Added |
| Two Sigma Investments, LP | 303,836 | $17.8M | 0.01% | −49,196−13.9% | Reduced |
| Northern Trust Corp | 303,422 | $17.8M | 0.00% | +14,445+5.0% | Added |
| Charles Schwab Investment Management Inc | 294,930 | $17.3M | 0.00% | −2,995−1.0% | Reduced |
| Rbo & Co LLC | 275,551 | $16.2M | 2.57% | −6,647−2.4% | Reduced |
| Mackenzie Financial Corp | 242,861 | $14.2M | 0.01% | +242,861 | New |
| Morgan Stanley | 229,998 | $13.5M | 0.00% | −25,158−9.9% | Reduced |
| Goldman Sachs Group Inc | 228,465 | $13.4M | 0.00% | +1,745+0.8% | Added |
| Bank of New York Mellon Corp | 211,466 | $12.4M | 0.00% | +1,953+0.9% | Added |
| T. Rowe Price Investment Management, Inc. | 193,995 | $11.4M | 0.01% | −1,847−0.9% | Reduced |
| Vanguard Fiduciary Trust Co | 154,702 | $9.08M | 0.00% | −5,231−3.3% | Reduced |
| Principal Financial Group Inc | 147,747 | $8.67M | 0.00% | −3,402−2.3% | Reduced |
| Leeward Investments, LLC - MA | 135,284 | $7.94M | 0.36% | −2,896−2.1% | Reduced |
| UBS Group AG | 132,554 | $7.78M | 0.00% | −27,307−17.1% | Reduced |
| Invesco Ltd. | 122,748 | $7.20M | 0.00% | −9,470−7.2% | Reduced |
| First Trust Advisors LP | 115,550 | $6.78M | 0.00% | −15,432−11.8% | Reduced |
| New York State Common Retirement Fund | 112,989 | $6.63M | 0.01% | −16,429−12.7% | Reduced |
| Qube Research & Technologies Ltd | 109,298 | $6.41M | 0.01% | −62,082−36.2% | Reduced |
| Citadel Advisors LLC | 108,509 | $6.37M | 0.00% | −16,073−12.9% | Reduced |
| Franklin Resources Inc | 88,909 | $5.22M | 0.00% | +3,811+4.5% | Added |
| Man Group plc | 87,692 | $5.14M | 0.01% | +7,040+8.7% | Added |
| Raymond James Financial Inc | 81,407 | $4.78M | 0.00% | +47+0.1% | Added |
| Public Sector Pension Investment Board | 80,744 | $4.74M | 0.01% | −7,363−8.4% | Reduced |
| Bank of America Corp | 74,309 | $4.36M | 0.00% | −12,075−14.0% | Reduced |
| Renaissance Technologies LLC | 72,499 | $4.25M | 0.01% | −79,932−52.4% | Reduced |
| Winton Group Ltd | 69,033 | $4.05M | 0.13% | +22,456+48.2% | Added |
| Rhumbline Advisers | 63,479 | $3.72M | 0.00% | −13,990−18.1% | Reduced |
| Ieq Capital, LLC | 60,977 | $3.58M | 0.02% | +234+0.4% | Added |
| Legal & General Group Plc | 53,910 | $3.16M | 0.00% | −3,944−6.8% | Reduced |
| Maltese Capital Management LLC | 47,500 | $2.79M | 0.51% | −12,040−20.2% | Reduced |
| Ameriprise Financial Inc | 46,787 | $2.74M | 0.00% | −3,209−6.4% | Reduced |
| Acadian Asset Management LLC | 45,303 | $2.65M | 0.00% | +45,303 | New |
| Swiss National Bank | 45,000 | $2.64M | 0.00% | −1,900−4.1% | Reduced |
| Price T Rowe Associates Inc | 43,446 | $2.55M | 0.00% | +7,262+20.1% | Added |
| Dark Forest Capital Management LP | 43,130 | $2.53M | 0.16% | +12,856+42.5% | Added |
| UBS Asset Management Americas Inc | 39,726 | $2.33M | 0.00% | −3,774−8.7% | Reduced |
| Royce & Associates LP | 39,411 | $2.31M | 0.02% | −3,523−8.2% | Reduced |
| IFG Advisory, LLC | 37,972 | $2.23M | 0.08% | +37,972 | New |
| Jacobs Levy Equity Management, Inc | 36,941 | $2.17M | 0.01% | −7,350−16.6% | Reduced |
| Commonwealth Equity Services, LLC | 36,417 | $2.14M | 0.00% | +60+0.2% | Added |
| Voya Investment Management LLC | 36,292 | $2.13M | 0.00% | +863+2.4% | Added |
| Destination Wealth Management | 36,168 | $2.12M | 0.05% | +36,168 | New |
| XTX Topco Ltd | 34,433 | $2.02M | 0.03% | +14,766+75.1% | Added |
| JPMorgan Chase & Co | 31,576 | $1.90M | 0.00% | −3,745−10.6% | Reduced |
| Mariner, LLC | 27,399 | $1.61M | 0.00% | +7,206+35.7% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 27,060 | $1.59M | 0.00% | +4,243+18.6% | Added |
| Wells Fargo & Company | 26,863 | $1.58M | 0.00% | +13,017+94.0% | Added |
| Citigroup Inc | 26,794 | $1.57M | 0.00% | +7,699+40.3% | Added |
| LPL Financial LLC | 26,760 | $1.57M | 0.00% | −432−1.6% | Reduced |
| Cerity Partners LLC | 26,738 | $1.57M | 0.00% | +562+2.1% | Added |
| Alliancebernstein L.P. | 29,581 | $1.54M | 0.00% | +61+0.2% | Added |
| California State Teachers Retirement System | 26,070 | $1.53M | 0.00% | +7,044+37.0% | Added |
| Deutsche Bank AG | 25,225 | $1.48M | 0.00% | +204+0.8% | Added |
| Prudential Financial Inc | 24,512 | $1.44M | 0.00% | −1,140−4.4% | Reduced |
| Creative Planning | 24,355 | $1.43M | 0.00% | +18,658+327.5% | Added |
| BNP Paribas Arbitrage, SA | 21,059 | $1.24M | 0.00% | −18,967−47.4% | Reduced |
| SEI Investments Co | 19,612 | $1.15M | 0.00% | +2,885+17.2% | Added |
| Great West Life Assurance Co | 19,546 | $1.15M | 0.00% | −2,306−10.6% | Reduced |
| Barclays PLC | 19,431 | $1.14M | 0.00% | +6,996+56.3% | Added |
| Mercer Global Advisors Inc | 18,466 | $1.08M | 0.00% | +7,393+66.8% | Added |
| Wealth Enhancement Advisory Services, LLC | 18,131 | $1.06M | 0.00% | +4,585+33.8% | Added |
| Vanguard Asset Management, Ltd | 17,923 | $1.05M | 0.00% | +3,247+22.1% | Added |
| SG Americas Securities, LLC | 17,861 | $1.05M | 0.00% | −27,310−60.5% | Reduced |
| State of Tennessee, Treasury Department | 17,602 | $1.03M | 0.00% | −14,439−45.1% | Reduced |
| Russell Investments Group, Ltd. | 17,035 | $998.6K | 0.00% | +15,183+819.8% | Added |
| Cypress Wealth Services, LLC | 16,613 | $974.7K | 0.12% | −5,162−23.7% | Reduced |
| Rafferty Asset Management, LLC | 16,100 | $944.6K | 0.00% | +945+6.2% | Added |
| Quantinno Capital Management LP | 15,527 | $911.0K | 0.00% | +6,347+69.1% | Added |
| Thrivent Financial for Lutherans | 15,424 | $905.0K | 0.00% | −1,011−6.2% | Reduced |
| Royal Bank of Canada | 15,031 | $881.0K | 0.00% | −8−0.1% | Reduced |
| SummerHaven Investment Management, LLC | 14,368 | $843.0K | 0.45% | 00.0% | Unchanged |
| Horizon Investments, LLC | 14,431 | $839.9K | 0.01% | +383+2.7% | Added |
| MetLife Investment Management | 13,962 | $819.2K | 0.00% | +1,227+9.6% | Added |
| KLP Kapitalforvaltning AS | 13,700 | $803.8K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 13,657 | $801.3K | 0.00% | +13,367+4,609.3% | Added |
| Stifel Financial Corp | 13,234 | $776.5K | 0.00% | +110+0.8% | Added |
| Illinois Municipal Retirement Fund | 12,832 | $752.9K | 0.01% | −141−1.1% | Reduced |
| Polymer Capital Management (US) LLC | 12,698 | $745.0K | 0.11% | +12,698 | New |
| Susquehanna International Group, LLP | 12,317 | $722.6K | 0.00% | −7,912−39.1% | Reduced |
| Odyssean, LLC | 12,167 | $713.8K | 0.12% | 00.0% | Unchanged |
| Campbell & CO Investment Adviser LLC | 11,748 | $689.3K | 0.04% | +11,748 | New |
| Jupiter Topco LLC | 11,748 | $689.3K | 0.00% | +11,748 | New |
| Hennion & Walsh Asset Management, Inc. | 11,693 | $686.0K | 0.02% | −413−3.4% | Reduced |
| CWM Advisors, LLC | 11,576 | $679.2K | 0.03% | +1,725+17.5% | Added |
| Atom Investors LP | 11,147 | $654.0K | 0.06% | +11,147 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 10,980 | $644.2K | 0.00% | −166−1.5% | Reduced |
| Teacher Retirement System of Texas | 10,420 | $611.3K | 0.00% | +6,107+141.6% | Added |
| Perigon Wealth Management, LLC | 10,324 | $605.7K | 0.01% | −176−1.7% | Reduced |
| Louisiana State Employees Retirement System | 10,300 | $604.3K | 0.01% | −600−5.5% | Reduced |
| Neuberger Berman Group LLC | 10,091 | $592.0K | 0.00% | +995+10.9% | Added |