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Westamerica Bancorporation (WABC) Institutional Ownership

Westamerica Bancorporation logo
$59.60 +0.48 (+0.81%)
Closing price 10/2/2026 04:00 PM Eastern
Extended Trading
$59.60 +0.00 (+0.01%)
As of 10/2/2026 07:30 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for Westamerica Bancorporation (NASDAQ:WABC)

Current
Institutional Ownership
Percentage
81.89%
Number of
Institutional Buyers
(last 12 months)
97
Total
Institutional Inflows
(last 12 months)
$326.58M
Number of
Institutional Sellers
(last 12 months)
78
Total
Institutional Outflows
(last 12 months)
$65.60M
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WABC Institutional Buying and Selling by Quarter

Westamerica Bancorporation Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
9/9/2026WINTON GROUP Ltd69,033$4.05M0.1%+48.2%0.299%
9/9/2026Integrated Wealth Concepts LLC1,727$101K0.0%N/A0.007%
9/8/2026Allworth Financial LP4,923$289K0.0%+12.4%0.021%
9/8/2026Arizona State Retirement System6,194$363K0.0%-4.8%0.027%
8/27/2026Corient Private Wealth LP5,964$350K0.0%N/A0.026%
8/25/2026VIRGINIA RETIREMENT SYSTEMS ET Al4,200$246K0.0%N/A0.018%
8/21/2026iSAM Funds UK Ltd6,100$358K0.3%N/A0.026%
8/20/2026Two Sigma Securities LLC3,893$228K0.0%-38.3%0.017%
8/19/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC39,726$2.33M0.0%-8.7%0.172%
8/18/2026Public Employees Retirement System of Ohio2,169$127K0.0%N/A0.009%
8/17/2026Corient Private Wealth LP3,684$216K0.0%N/A0.016%
8/17/2026Bank of America Corp DE74,309$4.36M0.0%N/A0.322%
8/15/2026Odyssean LLC12,167$714K0.1%N/A0.053%
8/15/2026Man Group plc87,692$5.15M0.0%N/A0.379%
8/15/2026Jupiter Topco LLC11,748$689K0.0%N/A0.051%
8/14/2026Canada Pension Plan Investment Board6,600$387K0.0%N/A0.029%
8/14/2026Legal & General Group Plc53,910$3.16M0.0%N/A0.233%
8/14/2026The Manufacturers Life Insurance Company9,285$545K0.0%N/A0.040%
8/13/2026Connor Clark & Lunn Investment Management Ltd.27,060$1.59M0.0%N/A0.117%
8/12/2026Northwestern Mutual Wealth Management Co.1,000$59K0.0%N/A0.004%
8/12/2026Ieq Capital LLC60,977$3.58M0.0%N/A0.264%
8/11/2026Allworth Financial LP4,923$289K0.0%N/A0.021%
8/8/2026Meeder Asset Management Inc.5,218$306K0.0%N/A0.023%
8/7/2026BlackRock Inc.3,335,703$195.71M0.0%N/A14.201%
8/7/2026Deutsche Bank AG25,225$1.48M0.0%N/A0.107%
8/7/2026Perigon Wealth Management LLC10,324$606K0.0%N/A0.044%
8/6/2026Global Retirement Partners LLC745$44K0.0%N/A0.003%
8/6/2026Bank of New York Mellon Corp211,466$12.41M0.0%N/A0.900%
7/9/2026Hennion & Walsh Asset Management Inc.11,693$686K0.0%-3.4%0.050%
7/8/2026Assenagon Asset Management S.A.8,136$477K0.0%-76.9%0.035%
7/7/2026GAMMA Investing LLC3,327$195K0.0%+36.5%0.014%
5/19/2026Bank of America Corp DE86,384$4.51M0.0%+48.0%0.368%
5/19/2026Edgestream Partners L.P.17,007$887K0.0%N/A0.072%
5/18/2026California State Teachers Retirement System19,026$992K0.0%-21.6%0.081%
5/18/2026Royal Bank of Canada15,039$784K0.0%+1.9%0.064%
5/16/2026The Manufacturers Life Insurance Company9,654$503K0.0%-6.7%0.041%
5/16/2026Quantinno Capital Management LP9,180$479K0.0%-20.9%0.039%
5/15/2026Entropy Technologies LP6,758$352K0.0%N/A0.029%
5/14/2026Renaissance Technologies LLC152,431$7.95M0.0%+59.6%0.649%
5/14/2026Arrowstreet Capital Limited Partnership283,809$14.80M0.0%-3.9%1.208%
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5/14/2026Sei Investments Co.16,727$873K0.0%-36.3%0.071%
5/13/2026First Trust Advisors LP130,982$6.83M0.0%+64.1%0.558%
5/8/2026PNC Financial Services Group Inc.1,660$87K0.0%+57.3%0.007%
5/7/2026Dimensional Fund Advisors LP944,699$49.27M0.0%+5.3%3.905%
5/7/2026Swiss National Bank46,900$2.45M0.0%-1.9%0.194%
5/6/2026Bessemer Group Inc.636$33K0.0%+42.6%0.003%
5/5/2026Bank of New York Mellon Corp209,513$10.93M0.0%+0.5%0.866%
5/5/2026Illinois Municipal Retirement Fund12,973$677K0.0%-5.4%0.054%
5/4/2026Principal Financial Group Inc.151,149$7.88M0.0%+3.9%0.625%
5/1/2026Fifth Third Bancorp5,472$285K0.0%+6,915.4%0.023%
4/27/2026New York State Teachers Retirement System2,240$117K0.0%-93.9%0.009%
4/27/2026Y Intercept Hong Kong Ltd4,002$209K0.0%-92.1%0.017%
4/22/2026Sterling Capital Management LLC787$41K0.0%-43.9%0.003%
4/21/2026Louisiana State Employees Retirement System10,900$568K0.0%N/A0.045%
4/20/2026Assenagon Asset Management S.A.35,192$1.84M0.0%N/A0.145%
4/18/2026Leeward Investments LLC MA138,180$7.21M0.4%-2.6%0.571%
4/16/2026SG Americas Securities LLC45,171$2.36M0.0%+39.0%0.187%
3/20/2026Hsbc Holdings PLC11,945$570K0.0%N/A0.049%
2/19/2026T. Rowe Price Investment Management Inc.238,981$11.43M0.0%-3.1%0.959%
2/19/2026Invesco Ltd.113,646$5.44M0.0%-8.3%0.456%
2/18/2026Mercer Global Advisors Inc. ADV9,631$461K0.0%+22.7%0.039%
2/18/2026State of Tennessee Department of Treasury10,623$537K0.0%+60.0%0.043%
2/18/2026Voloridge Investment Management LLC4,847$232K0.0%-75.2%0.019%
2/18/2026SummitTX Capital L.P.4,587$219K0.0%N/A0.018%
2/18/2026Tudor Investment Corp ET AL36,665$1.75M0.0%-22.8%0.147%
2/18/2026Numerai GP LLC38,346$1.83M0.2%+29.2%0.154%
2/18/2026Oxford Asset Management LLP7,329$351K0.1%N/A0.029%
2/18/2026Palisade Capital Management LP318,597$15.24M0.5%-13.7%1.278%
2/18/2026Millennium Management LLC340,009$16.26M0.0%-14.8%1.364%
2/18/2026Man Group plc36,288$1.74M0.0%+120.0%0.146%
2/18/2026Inspire Investing LLC9,778$468K0.0%+7.8%0.039%
2/18/2026Engineers Gate Manager LP10,492$502K0.0%-56.2%0.042%
2/18/2026Balyasny Asset Management L.P.16,356$782K0.0%+302.8%0.066%
2/17/2026Schonfeld Strategic Advisors LLC4,890$234K0.0%-77.9%0.020%
2/17/2026AQR Capital Management LLC381,832$18.26M0.0%+35.9%1.532%
2/17/2026Trexquant Investment LP55,918$2.68M0.0%N/A0.224%
2/17/2026Price T Rowe Associates Inc. MD33,177$1.59M0.0%+15.0%0.133%
2/17/2026T. Rowe Price Investment Management Inc.215,771$10.32M0.0%-12.5%0.866%
2/17/2026Weiss Asset Management LP5,709$273K0.0%N/A0.023%
2/17/2026Captrust Financial Advisors4,762$228K0.0%N/A0.019%
2/17/2026Royal Bank of Canada14,761$706K0.0%+1.7%0.059%
2/17/2026Maltese Capital Management LLC68,000$3.25M0.6%-36.2%0.273%
2/16/2026Mariner LLC17,812$854K0.0%+114.2%0.071%
2/16/2026Healthcare of Ontario Pension Plan Trust Fund22,713$1.09M0.0%N/A0.091%
2/16/2026Barclays PLC45,527$2.18M0.0%+16.9%0.183%
2/13/2026Marshall Wace LLP11,128$532K0.0%N/A0.045%
2/13/2026The Manufacturers Life Insurance Company 10,351$495K0.0%-7.6%0.042%
2/13/2026CANADA LIFE ASSURANCE Co23,848$1.14M0.0%-29.1%0.096%
2/13/2026Jacobs Levy Equity Management Inc.39,137$1.87M0.0%-3.6%0.157%
2/13/2026Public Sector Pension Investment Board86,306$4.13M0.0%-13.1%0.346%
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2/13/2026Rafferty Asset Management LLC21,536$1.03M0.0%-11.8%0.086%
2/13/2026First Trust Advisors LP79,834$3.82M0.0%-9.3%0.320%
2/13/2026Charles Schwab Investment Management Inc.298,471$14.28M0.0%+5.0%1.197%
2/13/2026State Street Corp1,221,379$58.42M0.0%-0.5%4.899%
2/13/2026Ieq Capital LLC59,478$2.85M0.0%+36.0%0.239%
2/13/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC42,725$2.04M0.0%+0.5%0.171%
2/13/2026Wells Fargo & Company MN35,383$1.69M0.0%+33.5%0.142%
2/13/2026Quadrant Capital Group LLC1,108$53K0.0%+7,286.7%0.004%
2/12/2026Jane Street Group LLC66,724$3.19M0.0%-0.6%0.268%
2/12/2026HRT Financial LP11,039$527K0.0%-65.9%0.044%


WABC Institutional Ownership - Frequently Asked Questions

During the previous two years, 205 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 169 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 5,867,417 shares in the last 24 months. This purchase volume represents approximately $326.58M in transactions.

Of the 78 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 1,323,815 shares in the last 24 months. This volume of shares sold represents approximately $65.60M in transactions.


Related Companies

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 9/9/2026. New 13F filings are added each quarter as they're published.
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