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 |
|---|---|---|---|---|---|
| Rbo & Co LLC | 286,840 | $13.7M | 2.18% | −10,248−3.4% | Reduced |
| Northern Trust Corp | 287,469 | $13.7M | 0.00% | −21,992−7.1% | Reduced |
| Morgan Stanley | 294,769 | $14.1M | 0.00% | −392−0.1% | Reduced |
| Arrowstreet Capital, Limited Partnership | 295,388 | $14.1M | 0.01% | −6,748−2.2% | Reduced |
| Charles Schwab Investment Management Inc | 298,471 | $14.3M | 0.00% | +14,121+5.0% | Added |
| Palisade Capital Management LLC | 318,597 | $15.2M | 0.45% | −50,579−13.7% | Reduced |
| Millennium Management LLC | 340,009 | $16.3M | 0.01% | −59,188−14.8% | Reduced |
| Nuveen, LLC | 354,890 | $17.0M | 0.00% | −2,760−0.8% | Reduced |
| AQR Capital Management LLC | 381,832 | $18.3M | 0.01% | +100,867+35.9% | Added |
| UBS Group AG | 457,206 | $21.9M | 0.00% | +336,714+279.4% | Added |
| Geode Capital Management, LLC | 606,467 | $29.0M | 0.00% | −18,136−2.9% | Reduced |
| Dimensional Fund Advisors LP | 897,572 | $42.9M | 0.01% | +3,378+0.4% | Added |
| State Street Corp | 1,221,379 | $58.4M | 0.00% | −6,223−0.5% | Reduced |
| American Century Companies Inc | 1,834,777 | $87.8M | 0.04% | +59,864+3.4% | Added |
| Vanguard Group Inc | 3,170,769 | $151.7M | 0.00% | −13,645−0.4% | Reduced |
| BlackRock, Inc. | 3,499,788 | $167.4M | 0.00% | −29,099−0.8% | Reduced |
| Assenagon Asset Management S.A. | 0 | $0 | 0.00% | −116,643−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −36,001−100.0% | Sold out |
| New Age Alpha Advisors, LLC | 0 | $0 | 0.00% | −24,062−100.0% | Sold out |
| Globeflex Capital L P | 0 | $0 | 0.00% | −15,332−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −15,053−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −13,175−100.0% | Sold out |
| MQS Management LLC | 0 | $0 | 0.00% | −8,755−100.0% | Sold out |
| Martingale Asset Management L P | 0 | $0 | 0.00% | −8,417−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −7,493−100.0% | Sold out |
| Entropy Technologies, LP | 0 | $0 | 0.00% | −6,874−100.0% | Sold out |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0 | $0 | 0.00% | −6,834−100.0% | Sold out |
| AF Advisors, Inc. | 0 | $0 | 0.00% | −4,200−100.0% | Sold out |
| Pallas Capital Advisors LLC | 0 | $0 | 0.00% | −4,016−100.0% | Sold out |
| Federation des caisses Desjardins du Quebec | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Wealthspire Advisors, LLC | 0 | $0 | 0.00% | −164−100.0% | Sold out |
| Optiver Holding B.V. | 0 | $0 | 0.00% | −128−100.0% | Sold out |
| Creative Financial Designs Inc | 0 | $0 | 0.00% | −86−100.0% | Sold out |
| Rise Advisors, LLC | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Financial Consulate, Inc | 0 | $0 | 0.00% | −9−100.0% | Sold out |
| Huntington National Bank | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Proffitt & Goodson Inc | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | – | – | – | – | Not filed |
| Glenmede Investment Management, LP | – | – | – | – | Not filed |
| Point72 Asia (Singapore) Pte. Ltd. | – | – | – | – | Not filed |
| Point72 (DIFC) Ltd | – | – | – | – | Not filed |