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 |
|---|---|---|---|---|---|
| Charles Schwab Investment Management Inc | 294,930 | $17.3M | 0.00% | −2,995−1.0% | Reduced |
| Northern Trust Corp | 303,422 | $17.8M | 0.00% | +14,445+5.0% | Added |
| Two Sigma Investments, LP | 303,836 | $17.8M | 0.01% | −49,196−13.9% | Reduced |
| Arrowstreet Capital, Limited Partnership | 324,191 | $19.0M | 0.01% | +40,382+14.2% | Added |
| rhino investment partners, Inc | 324,824 | $19.1M | 5.77% | +324,824 | New |
| Nuveen, LLC | 382,288 | $22.4M | 0.01% | +22,943+6.4% | Added |
| AQR Capital Management LLC | 495,223 | $29.1M | 0.01% | +96,177+24.1% | Added |
| Geode Capital Management, LLC | 627,073 | $36.8M | 0.00% | +13,911+2.3% | Added |
| Dimensional Fund Advisors LP | 983,639 | $57.7M | 0.01% | +38,940+4.1% | Added |
| Vanguard Capital Management LLC | 1,034,531 | $60.7M | 0.00% | −60,547−5.5% | Reduced |
| State Street Corp | 1,394,074 | $81.8M | 0.00% | +190,791+15.9% | Added |
| Vanguard Portfolio Management LLC | 1,720,645 | $101.0M | 0.00% | −38,905−2.2% | Reduced |
| American Century Companies Inc | 1,958,072 | $114.9M | 0.05% | +51,202+2.7% | Added |
| BlackRock, Inc. | 3,335,703 | $195.7M | 0.00% | −113,632−3.3% | Reduced |
| Palisade Capital Management LLC | 0 | $0 | 0.00% | −304,954−100.0% | Sold out |
| Jupiter Asset Management Ltd | 0 | $0 | 0.00% | −97,707−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −94,687−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −69,358−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −56,201−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −38,052−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −23,670−100.0% | Sold out |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −22,713−100.0% | Sold out |
| Edgestream Partners, L.P. | 0 | $0 | 0.00% | −17,007−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −12,243−100.0% | Sold out |
| HSBC Holdings PLC | 0 | $0 | 0.00% | −11,945−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −7,900−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −7,844−100.0% | Sold out |
| Entropy Technologies, LP | 0 | $0 | 0.00% | −6,758−100.0% | Sold out |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 0 | $0 | 0.00% | −6,089−100.0% | Sold out |
| Glenmede Trust Co NA | 0 | $0 | 0.00% | −4,461−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −881−100.0% | Sold out |
| STRS Ohio | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −136−100.0% | Sold out |
| Twin Peaks Wealth Advisors, LLC | 0 | $0 | 0.00% | −75−100.0% | Sold out |
| Root Financial Partners, LLC | 0 | $0 | 0.00% | −49−100.0% | Sold out |
| Sound Income Strategies, LLC | 0 | $0 | 0.00% | −39−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −15−100.0% | Sold out |
| CWM, LLC | – | – | – | – | Not filed |
| Janus Henderson Group PLC | – | – | – | – | Not filed |
| Sunbelt Securities, Inc. | – | – | – | – | Not filed |