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, Q3 2025
Institutional positions in Westamerica Bancorporation as of Sep 30, 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
- +13 vs. Q2 2025
- Shares held
- 19.6M
- −329.5K (−1.7%) vs. Q2 2025
- Total value
- $980.1M
- +$14.4M (+1.5%) vs. Q2 2025
- New holders
- 28
- 74 more added
- Sold out
- 15
- 80 more reduced
2 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Westamerica Bancorporation; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 3,528,887 | $176.4M | 0.00% | −129,508−3.5% | Reduced |
| Vanguard Group Inc | 3,184,414 | $159.2M | 0.00% | −13,016−0.4% | Reduced |
| American Century Companies Inc | 1,774,913 | $88.7M | 0.05% | −244,416−12.1% | Reduced |
| State Street Corp | 1,227,602 | $61.4M | 0.00% | −50,395−3.9% | Reduced |
| Dimensional Fund Advisors LP | 894,194 | $44.7M | 0.01% | +6,473+0.7% | Added |
| Geode Capital Management, LLC | 624,603 | $31.2M | 0.00% | −165,044−20.9% | Reduced |
| Millennium Management LLC | 399,197 | $20.0M | 0.02% | +200,884+101.3% | Added |
| Palisade Capital Management LLC | 369,176 | $18.5M | 0.50% | −12,338−3.2% | Reduced |
| Nuveen, LLC | 357,650 | $17.9M | 0.00% | −24,959−6.5% | Reduced |
| Northern Trust Corp | 309,461 | $15.5M | 0.00% | −12,177−3.8% | Reduced |
| Arrowstreet Capital, Limited Partnership | 302,136 | $15.1M | 0.01% | −7,817−2.5% | Reduced |
| Rbo & Co LLC | 297,088 | $14.9M | 2.32% | 00.0% | Unchanged |
| Morgan Stanley | 295,161 | $14.8M | 0.00% | −21,030−6.7% | Reduced |
| Charles Schwab Investment Management Inc | 284,350 | $14.2M | 0.00% | +11,175+4.1% | Added |
| AQR Capital Management LLC | 280,965 | $14.0M | 0.01% | +172,550+159.2% | Added |
| T. Rowe Price Investment Management, Inc. | 246,529 | $12.3M | 0.01% | −3,277−1.3% | Reduced |
| Bank of New York Mellon Corp | 219,997 | $11.0M | 0.00% | −15,111−6.4% | Reduced |
| Qube Research & Technologies Ltd | 217,648 | $10.9M | 0.02% | +40,740+23.0% | Added |
| Goldman Sachs Group Inc | 205,552 | $10.3M | 0.00% | +51,834+33.7% | Added |
| Two Sigma Investments, LP | 179,467 | $8.97M | 0.01% | +15,322+9.3% | Added |
| Citadel Advisors LLC | 167,235 | $8.36M | 0.01% | +21,491+14.7% | Added |
| MetLife Investment Management | 155,898 | $7.79M | 0.04% | +140,488+911.7% | Added |
| New York State Common Retirement Fund | 153,718 | $7.68M | 0.01% | −5,900−3.7% | Reduced |
| Leeward Investments, LLC - MA | 142,772 | $7.14M | 0.36% | −3,098−2.1% | Reduced |
| Principal Financial Group Inc | 140,643 | $7.03M | 0.00% | −11,942−7.8% | Reduced |
| Jupiter Asset Management Ltd | 126,561 | $6.33M | 0.05% | −4,262−3.3% | Reduced |
| Invesco Ltd. | 123,914 | $6.19M | 0.00% | −6,154−4.7% | Reduced |
| UBS Group AG | 120,492 | $6.02M | 0.00% | −20,403−14.5% | Reduced |
| Two Sigma Advisers, LP | 117,300 | $5.86M | 0.01% | +30,300+34.8% | Added |
| Assenagon Asset Management S.A. | 116,643 | $5.83M | 0.01% | +116,643 | New |
| Maltese Capital Management LLC | 106,500 | $5.32M | 0.81% | −93,500−46.8% | Reduced |
| Denali Advisors LLC | 104,500 | $5.22M | 0.59% | −2,652−2.5% | Reduced |
| Public Sector Pension Investment Board | 99,309 | $4.96M | 0.02% | +10,060+11.3% | Added |
| JPMorgan Chase & Co | 98,266 | $4.91M | 0.00% | +29,964+43.9% | Added |
| Renaissance Technologies LLC | 89,531 | $4.48M | 0.01% | −63,800−41.6% | Reduced |
| First Trust Advisors LP | 88,021 | $4.40M | 0.00% | +6,314+7.7% | Added |
| Rhumbline Advisers | 81,994 | $4.10M | 0.00% | −3,808−4.4% | Reduced |
| Raymond James Financial Inc | 80,135 | $4.01M | 0.00% | +4,356+5.7% | Added |
| Bank of America Corp | 69,502 | $3.47M | 0.00% | +25,973+59.7% | Added |
| Legal & General Group Plc | 68,036 | $3.40M | 0.00% | −2,928−4.1% | Reduced |
| Jane Street Group, LLC | 67,145 | $3.36M | 0.00% | +13,967+26.3% | Added |
| Ameriprise Financial Inc | 58,891 | $2.94M | 0.00% | −11,925−16.8% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 58,718 | $2.94M | 0.07% | +43,500+285.8% | Added |
| Brandywine Global Investment Management, LLC | 55,576 | $2.78M | 0.02% | −2,110−3.7% | Reduced |
| Algert Global LLC | 51,318 | $2.57M | 0.04% | +7,810+18.0% | Added |
| Swiss National Bank | 51,000 | $2.55M | 0.00% | 00.0% | Unchanged |
| Tudor Investment Corp Et Al | 47,476 | $2.37M | 0.02% | +1,862+4.1% | Added |
| IFG Advisory, LLC | 46,338 | $2.32M | 0.11% | −902−1.9% | Reduced |
| Dark Forest Capital Management LP | 44,092 | $2.20M | 0.08% | +643+1.5% | Added |
| Ieq Capital, LLC | 43,733 | $2.19M | 0.01% | +30,727+236.3% | Added |
| Royce & Associates LP | 43,646 | $2.18M | 0.02% | +848+2.0% | Added |
| UBS Asset Management Americas Inc | 42,524 | $2.13M | 0.00% | −40,841−49.0% | Reduced |
| Commonwealth Equity Services, LLC | 41,240 | $2.06M | 0.00% | +985+2.4% | Added |
| Jacobs Levy Equity Management, Inc | 40,607 | $2.03M | 0.01% | −13,031−24.3% | Reduced |
| Barclays PLC | 38,956 | $1.95M | 0.00% | −20,426−34.4% | Reduced |
| New York State Teachers Retirement System | 36,874 | $1.84M | 0.00% | −1,010−2.7% | Reduced |
| ExodusPoint Capital Management, LP | 36,001 | $1.80M | 0.03% | +1,191+3.4% | Added |
| Voya Investment Management LLC | 35,413 | $1.77M | 0.00% | −4,686−11.7% | Reduced |
| Great West Life Assurance Co | 33,632 | $1.67M | 0.00% | +1,255+3.9% | Added |
| HRT Financial LP | 32,395 | $1.62M | 0.01% | +13,210+68.9% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 30,064 | $1.50M | 0.00% | +4,365+17.0% | Added |
| Quest Partners LLC | 29,987 | $1.50M | 0.10% | −854−2.8% | Reduced |
| Numerai GP LLC | 29,673 | $1.48M | 0.21% | +13,539+83.9% | Added |
| Alliancebernstein L.P. | 29,520 | $1.48M | 0.00% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 28,855 | $1.44M | 0.00% | +2,665+10.2% | Added |
| BNP Paribas Arbitrage, SA | 28,028 | $1.40M | 0.00% | +8,466+43.3% | Added |
| Wells Fargo & Company | 26,514 | $1.33M | 0.00% | +3,530+15.4% | Added |
| Prudential Financial Inc | 25,902 | $1.29M | 0.00% | −1,600−5.8% | Reduced |
| Rafferty Asset Management, LLC | 24,413 | $1.22M | 0.00% | −3,807−13.5% | Reduced |
| California State Teachers Retirement System | 24,366 | $1.22M | 0.00% | −9,520−28.1% | Reduced |
| FMR LLC | 24,228 | $1.21M | 0.00% | +2,380+10.9% | Added |
| Winton Group Ltd | 24,123 | $1.21M | 0.05% | −5,065−17.4% | Reduced |
| New Age Alpha Advisors, LLC | 24,062 | $1.20M | 0.05% | −541−2.2% | Reduced |
| Engineers Gate Manager LP | 23,959 | $1.20M | 0.01% | +23,959 | New |
| Citigroup Inc | 23,437 | $1.17M | 0.00% | −20,435−46.6% | Reduced |
| LPL Financial LLC | 22,561 | $1.13M | 0.00% | +9,307+70.2% | Added |
| Schonfeld Strategic Advisors LLC | 22,163 | $1.11M | 0.01% | +22,163 | New |
| SEI Investments Co | 21,965 | $1.10M | 0.00% | +5,281+31.7% | Added |
| Cypress Wealth Services, LLC | 21,775 | $1.09M | 0.18% | 00.0% | Unchanged |
| Deutsche Bank AG | 21,357 | $1.07M | 0.00% | +2,883+15.6% | Added |
| CWM, LLC | 19,585 | $979.0K | 0.00% | +12,133+162.8% | Added |
| Voloridge Investment Management, LLC | 19,549 | $977.3K | 0.00% | −4,233−17.8% | Reduced |
| Thrivent Financial for Lutherans | 18,369 | $918.0K | 0.00% | −22,471−55.0% | Reduced |
| SG Americas Securities, LLC | 17,342 | $867.0K | 0.00% | +7,561+77.3% | Added |
| Summit Global Investments | 16,759 | $838.0K | 0.05% | +16,759 | New |
| Man Group plc | 16,493 | $824.5K | 0.00% | −7,915−32.4% | Reduced |
| SummerHaven Investment Management, LLC | 16,433 | $821.5K | 0.48% | +16,433 | New |
| Cerity Partners LLC | 16,042 | $801.9K | 0.00% | +7,110+79.6% | Added |
| Globeflex Capital L P | 15,332 | $766.4K | 0.12% | −3,117−16.9% | Reduced |
| Gsa Capital Partners LLP | 15,053 | $752.0K | 0.06% | −3,361−18.3% | Reduced |
| Intech Investment Management LLC | 14,968 | $748.3K | 0.01% | +1,992+15.4% | Added |
| Royal Bank of Canada | 14,520 | $726.0K | 0.00% | −3,978−21.5% | Reduced |
| Illinois Municipal Retirement Fund | 14,103 | $705.0K | 0.01% | −188−1.3% | Reduced |
| State of Alaska, Department of Revenue | 13,860 | $692.0K | 0.01% | −1,719−11.0% | Reduced |
| Cubist Systematic Strategies, LLC | 13,774 | $688.6K | 0.01% | −63,066−82.1% | Reduced |
| Susquehanna International Group, LLP | 13,175 | $658.6K | 0.00% | −29,298−69.0% | Reduced |
| SRS Capital Advisors, Inc. | 12,915 | $645.6K | 0.01% | +12,915 | New |
| Stifel Financial Corp | 12,890 | $644.4K | 0.00% | +112+0.9% | Added |
| D. E. Shaw & Co., Inc. | 12,053 | $602.5K | 0.00% | −16,340−57.5% | Reduced |
| Janus Henderson Group PLC | 11,748 | $587.4K | 0.00% | 00.0% | Unchanged |