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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, Q1 2021

Institutional positions in Westamerica Bancorporation as of Mar 31, 2021. 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
165
No complete 13F data for Q4 2020
Shares held
20.4M
No complete 13F data for Q4 2020
Total value
$1.28B
No complete 13F data for Q4 2020

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.

Institutional holdersQ1 2021: 165 institutions
Q1 2021: 165 institutionsQ2 2021: 161 institutionsQ3 2021: 156 institutionsQ4 2021: 158 institutionsQ1 2022: 147 institutionsQ2 2022: 167 institutionsQ3 2022: 177 institutionsQ4 2022: 213 institutionsQ1 2023: 191 institutionsQ2 2023: 189 institutionsQ3 2023: 179 institutionsQ4 2023: 177 institutionsQ1 2024: 191 institutionsQ2 2024: 188 institutionsQ3 2024: 194 institutionsQ4 2024: 208 institutionsQ1 2025: 205 institutionsQ2 2025: 205 institutionsQ3 2025: 216 institutionsQ4 2025: 216 institutionsQ1 2026: 204 institutionsQ2 2026: 214 institutions
Value heldQ1 2021: $1.28B
Q1 2021: $1.28BQ2 2021: $1.19BQ3 2021: $1.15BQ4 2021: $1.18BQ1 2022: $1.27BQ2 2022: $1.17BQ3 2022: $1.09BQ4 2022: $1.24BQ1 2023: $911.0MQ2 2023: $775.0MQ3 2023: $862.7MQ4 2023: $1.15BQ1 2024: $997.6MQ2 2024: $999.6MQ3 2024: $1.01BQ4 2024: $1.08BQ1 2025: $1.05BQ2 2025: $967.1MQ3 2025: $980.1MQ4 2025: $948.4MQ1 2026: $967.0MQ2 2026: $1.08B
Institutions holding WABC and their total value by quarter
QuarterHoldersValue
Q2 2026214$1.08B
Q1 2026204$967.0M
Q4 2025216$948.4M
Q3 2025216$980.1M
Q2 2025205$967.1M
Q1 2025205$1.05B
Q4 2024208$1.08B
Q3 2024194$1.01B
Q2 2024188$999.6M
Q1 2024191$997.6M
Q4 2023177$1.15B
Q3 2023179$862.7M
Q2 2023189$775.0M
Q1 2023191$911.0M
Q4 2022213$1.24B
Q3 2022177$1.09B
Q2 2022167$1.17B
Q1 2022147$1.27B
Q4 2021158$1.18B
Q3 2021156$1.15B
Q2 2021161$1.19B
Q1 2021165$1.28B

Institutions, Q1 2021

Shares, value and share of portfolio for each institution holding Westamerica Bancorporation.

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding WABC in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Cubist Systematic Strategies, LLC18,844$1.18M0.02%––
Summit Global Investments19,982$1.25M0.08%––
Texas Permanent School Fund20,027$1.26M0.02%––
Commonwealth of Pennsylvania Public School Empls Retrmt Sys20,674$1.30M0.02%––
Voloridge Investment Management, LLC21,903$1.38M0.01%––
Bridgeway Capital Management, LLC22,700$1.43M0.03%––
Wells Fargo & Company23,113$1.45M0.00%––
Great West Life Assurance Co23,597$1.48M0.00%––
Thrivent Financial for Lutherans25,207$1.58M0.00%––
Ensign Peak Advisors, Inc26,936$1.69M0.00%––
KBC Group NV27,287$1.71M0.01%––
Comerica Bank27,032$1.75M0.01%––
Credit Suisse AG28,784$1.81M0.00%––
Prudential Financial Inc30,876$1.94M0.00%––
Tudor Investment Corp Et Al30,996$1.95M0.04%––
Winton Group Ltd31,796$2.00M0.11%––
Voya Investment Management LLC33,921$2.13M0.00%––
Public Employees Retirement System of Ohio38,124$2.39M0.01%––
ClariVest Asset Management LLC38,637$2.43M0.09%––
California State Teachers Retirement System39,380$2.47M0.00%––
AQR Capital Management LLC39,583$2.48M0.00%––
First Trust Advisors LP40,555$2.55M0.00%––
Deutsche Bank AG40,981$2.57M0.00%––
Alliancebernstein L.P.41,470$2.60M0.00%––
Clifford Capital Partners LLC43,482$2.73M2.84%––
D. E. Shaw & Co., Inc.45,006$2.83M0.00%––
Acadian Asset Management LLC45,104$2.83M0.01%––
Skandinaviska Enskilda Banken AB (publ)45,600$2.86M0.02%––
Barclays PLC45,686$2.87M0.00%––
California Public Employees Retirement System47,911$3.01M0.00%––
UBS Group AG48,413$3.04M0.00%––
Millennium Management LLC52,095$3.27M0.00%––
Parametric Portfolio Associates LLC52,588$3.30M0.00%––
Public Sector Pension Investment Board55,402$3.48M0.02%––
Swiss National Bank61,400$3.85M0.00%––
Marshall Wace, LLP61,985$3.89M0.02%––
SEI Investments Co63,776$3.97M0.01%––
New York State Teachers Retirement System64,584$4.05M0.01%––
Renaissance Technologies LLC79,331$4.98M0.01%––
Citadel Advisors LLC85,081$5.34M0.01%––
Legal & General Group Plc85,478$5.37M0.00%––
Rhumbline Advisers97,728$6.13M0.01%––
New York State Common Retirement Fund98,313$6.17M0.01%––
Rbo & Co LLC110,636$6.95M1.27%––
Bank of America Corp111,920$7.03M0.00%––
Ameriprise Financial Inc121,646$7.64M0.00%––
Morgan Stanley132,822$8.34M0.00%––
Principal Financial Group Inc184,248$11.6M0.01%––
Nuveen Asset Management, LLC195,880$12.3M0.00%––
Charles Schwab Investment Management Inc213,429$13.4M0.00%––
Norges Bank223,798$14.1M0.00%––
Invesco Ltd.266,731$16.7M0.00%––
Goldman Sachs Group Inc278,676$17.5M0.01%––
JPMorgan Chase & Co293,655$18.4M0.00%––
Bank of New York Mellon Corp347,938$21.8M0.00%––
Northern Trust Corp444,203$27.9M0.01%––
Geode Capital Management, LLC454,950$28.6M0.00%––
Palisade Capital Management LLC459,101$28.8M0.68%––
Atlanta Capital Management Co L L C483,914$30.4M0.11%––
Dimensional Fund Advisors LP679,158$42.6M0.01%––
State Street Corp1,055,569$66.3M0.00%––
American Century Companies Inc1,448,918$91.0M0.07%––
Vanguard Group Inc3,022,547$189.8M0.01%––
Price T Rowe Associates Inc3,497,405$219.6M0.02%––
BlackRock Inc.3,951,579$248.1M0.01%––