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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
BlackRock Inc.3,951,579$248.1M0.01%––
Price T Rowe Associates Inc3,497,405$219.6M0.02%––
Vanguard Group Inc3,022,547$189.8M0.01%––
American Century Companies Inc1,448,918$91.0M0.07%––
State Street Corp1,055,569$66.3M0.00%––
Dimensional Fund Advisors LP679,158$42.6M0.01%––
Atlanta Capital Management Co L L C483,914$30.4M0.11%––
Palisade Capital Management LLC459,101$28.8M0.68%––
Geode Capital Management, LLC454,950$28.6M0.00%––
Northern Trust Corp444,203$27.9M0.01%––
Bank of New York Mellon Corp347,938$21.8M0.00%––
JPMorgan Chase & Co293,655$18.4M0.00%––
Goldman Sachs Group Inc278,676$17.5M0.01%––
Invesco Ltd.266,731$16.7M0.00%––
Norges Bank223,798$14.1M0.00%––
Charles Schwab Investment Management Inc213,429$13.4M0.00%––
Nuveen Asset Management, LLC195,880$12.3M0.00%––
Principal Financial Group Inc184,248$11.6M0.01%––
Morgan Stanley132,822$8.34M0.00%––
Ameriprise Financial Inc121,646$7.64M0.00%––
Bank of America Corp111,920$7.03M0.00%––
Rbo & Co LLC110,636$6.95M1.27%––
New York State Common Retirement Fund98,313$6.17M0.01%––
Rhumbline Advisers97,728$6.13M0.01%––
Legal & General Group Plc85,478$5.37M0.00%––
Citadel Advisors LLC85,081$5.34M0.01%––
Renaissance Technologies LLC79,331$4.98M0.01%––
New York State Teachers Retirement System64,584$4.05M0.01%––
SEI Investments Co63,776$3.97M0.01%––
Marshall Wace, LLP61,985$3.89M0.02%––
Swiss National Bank61,400$3.85M0.00%––
Public Sector Pension Investment Board55,402$3.48M0.02%––
Parametric Portfolio Associates LLC52,588$3.30M0.00%––
Millennium Management LLC52,095$3.27M0.00%––
UBS Group AG48,413$3.04M0.00%––
California Public Employees Retirement System47,911$3.01M0.00%––
Barclays PLC45,686$2.87M0.00%––
Skandinaviska Enskilda Banken AB (publ)45,600$2.86M0.02%––
Acadian Asset Management LLC45,104$2.83M0.01%––
D. E. Shaw & Co., Inc.45,006$2.83M0.00%––
Clifford Capital Partners LLC43,482$2.73M2.84%––
Alliancebernstein L.P.41,470$2.60M0.00%––
Deutsche Bank AG40,981$2.57M0.00%––
First Trust Advisors LP40,555$2.55M0.00%––
AQR Capital Management LLC39,583$2.48M0.00%––
California State Teachers Retirement System39,380$2.47M0.00%––
ClariVest Asset Management LLC38,637$2.43M0.09%––
Public Employees Retirement System of Ohio38,124$2.39M0.01%––
Voya Investment Management LLC33,921$2.13M0.00%––
Winton Group Ltd31,796$2.00M0.11%––
Tudor Investment Corp Et Al30,996$1.95M0.04%––
Prudential Financial Inc30,876$1.94M0.00%––
Credit Suisse AG28,784$1.81M0.00%––
Comerica Bank27,032$1.75M0.01%––
KBC Group NV27,287$1.71M0.01%––
Ensign Peak Advisors, Inc26,936$1.69M0.00%––
Thrivent Financial for Lutherans25,207$1.58M0.00%––
Great West Life Assurance Co23,597$1.48M0.00%––
Wells Fargo & Company23,113$1.45M0.00%––
Bridgeway Capital Management, LLC22,700$1.43M0.03%––
Voloridge Investment Management, LLC21,903$1.38M0.01%––
Commonwealth of Pennsylvania Public School Empls Retrmt Sys20,674$1.30M0.02%––
Texas Permanent School Fund20,027$1.26M0.02%––
Summit Global Investments19,982$1.25M0.08%––
Cubist Systematic Strategies, LLC18,844$1.18M0.02%––
UBS Asset Management Americas Inc18,751$1.18M0.00%––
State of Alaska, Department of Revenue18,145$1.14M0.01%––
American International Group, Inc.17,452$1.10M0.00%––
Alphasimplex Group, LLC17,335$1.09M0.45%––
Healthcare of Ontario Pension Plan Trust Fund17,000$1.07M0.00%––
Panagora Asset Management Inc16,974$1.07M0.01%––
Citigroup Inc16,475$1.03M0.00%––
Rafferty Asset Management, LLC16,139$1.01M0.01%––
Financial Advocates Investment Management15,371$965.0K0.07%––
First Republic Investment Management, Inc.14,399$904.0K0.00%––
Manufacturers Life Insurance Company, The13,885$872.0K0.00%––
Burleson & Company, LLC13,506$848.0K0.14%––
Jane Street Group, LLC12,608$792.0K0.00%––
Louisiana State Employees Retirement System12,200$766.0K0.02%––
BNP Paribas Arbitrage, SA12,158$763.3K0.00%––
State of Tennessee, Treasury Department11,867$745.0K0.00%––
Oregon Public Employees Retirement Fund10,982$689.0K0.01%––
Moloney Securities Asset Management, LLC10,511$660.0K0.13%––
State Board of Administration of Florida Retirement System10,314$648.0K0.00%––
Mraz, Amerine & Associates, Inc.10,309$647.0K0.19%––
MetLife Investment Management9,691$608.4K0.01%––
Bank of Montreal9,363$594.0K0.00%––
Marshall Wace North America L.P.9,022$566.0K0.00%––
Russell Investments Group, Ltd.8,713$551.0K0.00%––
Victory Capital Management Inc8,614$541.0K0.00%––
Balyasny Asset Management LLC8,621$541.0K0.00%––
Teachers Retirement System of the State of Kentucky8,125$510.0K0.01%––
CWM Advisors, LLC7,936$498.0K0.08%––
Quantitative Systematic Strategies LLC7,902$496.0K0.08%––
Arizona State Retirement System7,822$491.0K0.00%––
ProShare Advisors LLC7,772$488.0K0.00%––
Qube Research & Technologies Ltd7,655$481.0K0.01%––
Envestnet Asset Management Inc7,399$465.0K0.00%––
TD Asset Management Inc6,970$438.0K0.00%––
HRT Financial LP6,817$427.0K0.00%––