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Westamerica Bancorporation (WABC) Institutional Ownership

Westamerica Bancorporation logo
$58.47 +0.12 (+0.21%)
As of 08/21/2026 04:00 PM Eastern

Institutional Ownership Changes (13F Filings) for Westamerica Bancorporation (NASDAQ:WABC)

Current
Institutional Ownership
Percentage
81.89%
Number of
Institutional Buyers
(last 12 months)
95
Total
Institutional Inflows
(last 12 months)
$324.53M
Number of
Institutional Sellers
(last 12 months)
79
Total
Institutional Outflows
(last 12 months)
$65.64M
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WABC Institutional Buying and Selling by Quarter

Westamerica Bancorporation Major Shareholders & Ownership History

Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/21/2026 iSAM Funds UK Ltd6,100$358K0.3%N/A0.026%
8/20/2026 Two Sigma Securities LLC3,893$228K0.0%-38.3%0.017%
8/19/2026 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC39,726$2.33M0.0%-8.7%0.172%
8/18/2026 Public Employees Retirement System of Ohio2,169$127K0.0%N/A0.009%
8/17/2026 Corient Private Wealth LP3,684$216K0.0%N/A0.016%
8/17/2026 Bank of America Corp DE74,309$4.36M0.0%N/A0.322%
8/15/2026 Odyssean LLC12,167$714K0.1%N/A0.053%
8/15/2026 Man Group plc87,692$5.15M0.0%N/A0.379%
8/15/2026 Jupiter Topco LLC11,748$689K0.0%N/A0.051%
8/14/2026 Canada Pension Plan Investment Board6,600$387K0.0%N/A0.029%
8/14/2026 Legal & General Group Plc53,910$3.16M0.0%N/A0.233%
8/14/2026 The Manufacturers Life Insurance Company 9,285$545K0.0%N/A0.040%
8/13/2026 Connor Clark & Lunn Investment Management Ltd.27,060$1.59M0.0%N/A0.117%
8/12/2026 Northwestern Mutual Wealth Management Co.1,000$59K0.0%N/A0.004%
8/12/2026 Ieq Capital LLC60,977$3.58M0.0%N/A0.264%
8/11/2026 Allworth Financial LP4,923$289K0.0%N/A0.021%
8/8/2026 Meeder Asset Management Inc.5,218$306K0.0%N/A0.023%
8/7/2026 BlackRock Inc.3,335,703$195.71M0.0%N/A14.201%
8/7/2026 Deutsche Bank AG25,225$1.48M0.0%N/A0.107%
8/7/2026 Perigon Wealth Management LLC10,324$606K0.0%N/A0.044%
8/6/2026 Global Retirement Partners LLC745$44K0.0%N/A0.003%
8/6/2026 Bank of New York Mellon Corp211,466$12.41M0.0%N/A0.900%
7/9/2026 Hennion & Walsh Asset Management Inc.11,693$686K0.0%-3.4%0.050%
7/8/2026 Assenagon Asset Management S.A.8,136$477K0.0%-76.9%0.035%
7/7/2026 GAMMA Investing LLC3,327$195K0.0%+36.5%0.014%
5/19/2026 Bank of America Corp DE86,384$4.51M0.0%+48.0%0.368%
5/19/2026 Edgestream Partners L.P.17,007$887K0.0%N/A0.072%
5/18/2026California State Teachers Retirement System19,026$992K0.0%-21.6%0.081%
5/18/2026 Royal Bank of Canada15,039$784K0.0%+1.9%0.064%
5/16/2026 The Manufacturers Life Insurance Company9,654$503K0.0%-6.7%0.041%
5/16/2026 Quantinno Capital Management LP9,180$479K0.0%-20.9%0.039%
5/15/2026 Entropy Technologies LP6,758$352K0.0%N/A0.029%
5/14/2026 Renaissance Technologies LLC152,431$7.95M0.0%+59.6%0.649%
5/14/2026 Arrowstreet Capital Limited Partnership283,809$14.80M0.0%-3.9%1.208%
5/14/2026 Sei Investments Co.16,727$873K0.0%-36.3%0.071%
5/13/2026 First Trust Advisors LP130,982$6.83M0.0%+64.1%0.558%
5/8/2026 PNC Financial Services Group Inc.1,660$87K0.0%+57.3%0.007%
5/7/2026 Dimensional Fund Advisors LP944,699$49.27M0.0%+5.3%3.905%
5/7/2026 Swiss National Bank46,900$2.45M0.0%-1.9%0.194%
5/6/2026 Bessemer Group Inc.636$33K0.0%+42.6%0.003%
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5/5/2026 Bank of New York Mellon Corp209,513$10.93M0.0%+0.5%0.866%
5/5/2026 Illinois Municipal Retirement Fund12,973$677K0.0%-5.4%0.054%
5/4/2026 Principal Financial Group Inc.151,149$7.88M0.0%+3.9%0.625%
5/1/2026 Fifth Third Bancorp5,472$285K0.0%+6,915.4%0.023%
4/27/2026 New York State Teachers Retirement System2,240$117K0.0%-93.9%0.009%
4/27/2026 Y Intercept Hong Kong Ltd4,002$209K0.0%-92.1%0.017%
4/22/2026 Sterling Capital Management LLC787$41K0.0%-43.9%0.003%
4/21/2026 Louisiana State Employees Retirement System10,900$568K0.0%N/A0.045%
4/20/2026 Assenagon Asset Management S.A.35,192$1.84M0.0%N/A0.145%
4/18/2026 Leeward Investments LLC MA138,180$7.21M0.4%-2.6%0.571%
4/16/2026 SG Americas Securities LLC45,171$2.36M0.0%+39.0%0.187%
3/20/2026 Hsbc Holdings PLC11,945$570K0.0%N/A0.049%
2/19/2026 T. Rowe Price Investment Management Inc.238,981$11.43M0.0%-3.1%0.959%
2/19/2026 Invesco Ltd.113,646$5.44M0.0%-8.3%0.456%
2/18/2026 Mercer Global Advisors Inc. ADV9,631$461K0.0%+22.7%0.039%
2/18/2026 State of Tennessee Department of Treasury10,623$537K0.0%+60.0%0.043%
2/18/2026 Voloridge Investment Management LLC4,847$232K0.0%-75.2%0.019%
2/18/2026 SummitTX Capital L.P.4,587$219K0.0%N/A0.018%
2/18/2026 Tudor Investment Corp ET AL36,665$1.75M0.0%-22.8%0.147%
2/18/2026 Numerai GP LLC38,346$1.83M0.2%+29.2%0.154%
2/18/2026 Oxford Asset Management LLP7,329$351K0.1%N/A0.029%
2/18/2026 Palisade Capital Management LP318,597$15.24M0.5%-13.7%1.278%
2/18/2026 Millennium Management LLC340,009$16.26M0.0%-14.8%1.364%
2/18/2026 Man Group plc36,288$1.74M0.0%+120.0%0.146%
2/18/2026 Inspire Investing LLC9,778$468K0.0%+7.8%0.039%
2/18/2026 Engineers Gate Manager LP10,492$502K0.0%-56.2%0.042%
2/18/2026 Balyasny Asset Management L.P.16,356$782K0.0%+302.8%0.066%
2/17/2026 Schonfeld Strategic Advisors LLC4,890$234K0.0%-77.9%0.020%
2/17/2026 AQR Capital Management LLC381,832$18.26M0.0%+35.9%1.532%
2/17/2026 Trexquant Investment LP55,918$2.68M0.0%N/A0.224%
2/17/2026 Price T Rowe Associates Inc. MD33,177$1.59M0.0%+15.0%0.133%
2/17/2026 T. Rowe Price Investment Management Inc.215,771$10.32M0.0%-12.5%0.866%
2/17/2026 Weiss Asset Management LP5,709$273K0.0%N/A0.023%
2/17/2026 Captrust Financial Advisors4,762$228K0.0%N/A0.019%
2/17/2026 Royal Bank of Canada14,761$706K0.0%+1.7%0.059%
2/17/2026 Maltese Capital Management LLC68,000$3.25M0.6%-36.2%0.273%
2/16/2026 Mariner LLC17,812$854K0.0%+114.2%0.071%
2/16/2026 Healthcare of Ontario Pension Plan Trust Fund22,713$1.09M0.0%N/A0.091%
2/16/2026 Barclays PLC45,527$2.18M0.0%+16.9%0.183%
2/13/2026 Marshall Wace LLP11,128$532K0.0%N/A0.045%
2/13/2026 The Manufacturers Life Insurance Company 10,351$495K0.0%-7.6%0.042%
2/13/2026 CANADA LIFE ASSURANCE Co23,848$1.14M0.0%-29.1%0.096%
2/13/2026 Jacobs Levy Equity Management Inc.39,137$1.87M0.0%-3.6%0.157%
2/13/2026 Public Sector Pension Investment Board86,306$4.13M0.0%-13.1%0.346%
2/13/2026 Rafferty Asset Management LLC21,536$1.03M0.0%-11.8%0.086%
2/13/2026 First Trust Advisors LP79,834$3.82M0.0%-9.3%0.320%
2/13/2026 Charles Schwab Investment Management Inc.298,471$14.28M0.0%+5.0%1.197%
2/13/2026 State Street Corp1,221,379$58.42M0.0%-0.5%4.899%
2/13/2026 Ieq Capital LLC59,478$2.85M0.0%+36.0%0.239%
2/13/2026 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC42,725$2.04M0.0%+0.5%0.171%
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2/13/2026 Wells Fargo & Company MN35,383$1.69M0.0%+33.5%0.142%
2/13/2026 Quadrant Capital Group LLC1,108$53K0.0%+7,286.7%0.004%
2/12/2026 Jane Street Group LLC66,724$3.19M0.0%-0.6%0.268%
2/12/2026 HRT Financial LP11,039$527K0.0%-65.9%0.044%
2/12/2026Brooklyn Investment Group6,034$296K0.0%N/A0.024%
2/12/2026 MetLife Investment Management LLC228,658$10.94M0.1%+46.7%0.917%
2/12/2026 RBO & Co. LLC286,840$13.72M2.2%-3.4%1.150%
2/12/2026 Commonwealth Equity Services LLC37,755$1.81M0.0%-8.5%0.151%
2/12/2026 Renaissance Technologies LLC95,531$4.57M0.0%+6.7%0.383%
2/12/2026 Dimensional Fund Advisors LP897,572$42.93M0.0%+0.4%3.600%


WABC Institutional Ownership - Frequently Asked Questions

During the previous two years, 203 institutional investors and hedge funds held shares of Westamerica Bancorporation. The most heavily invested institutionals were BlackRock Inc. ($195.71M), Vanguard Group Inc. ($151.66M), American Century Companies Inc. ($88.73M), State Street Corp ($58.42M), Dimensional Fund Advisors LP ($49.27M), Geode Capital Management LLC ($29.01M), and UBS Group AG ($21.87M).Learn more on Westamerica Bancorporation's institutional investors.

81.89% of Westamerica Bancorporation's stock is owned by institutional investors. Learn more on WABC's institutional investor holdings.

Of the 167 institutional investors that purchased Westamerica Bancorporation's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: BlackRock Inc. ($3.34M), UBS Group AG ($336.71K), Nuveen LLC ($336.22K), American Century Companies Inc. ($258.84K), Bank of New York Mellon Corp ($212.43K), Millennium Management LLC ($202.53K), and Assenagon Asset Management S.A. ($197.54K).

Institutional investors have bought a total of 5,832,525 shares in the last 24 months. This purchase volume represents approximately $324.53M in transactions.

Of the 79 institutional investors that sold Westamerica Bancorporation's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: American Century Companies Inc. ($244.42K), Maltese Capital Management LLC ($132K), Denali Advisors LLC ($89.35K), Susquehanna International Group LLP ($68.70K), Millennium Management LLC ($59.19K), Palisade Capital Management LP ($50.58K), and Y Intercept Hong Kong Ltd ($46.52K).

Institutional investors have sold a total of 1,324,674 shares in the last 24 months. This volume of shares sold represents approximately $65.64M in transactions.



Institutional ownership data for NASDAQ:WABC is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 8/21/2026. New 13F filings are added each quarter as they're published.
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