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Disclosery

WABC WESTAMERICA BANCORPORATION

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Stock (common), issuer CIK 311094

198 managers (204 13F filers) reported a position in WABC shares at 2026-03-31, 18,545,308 shares in all. 15 filers opened a position and 28 filers sold out during the quarter.

Managers
198
13F filers
204
New
15
Added
69
Reduced
82
Sold out
28
Shares held by filers
18,545,308

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
BlackRock, Inc.in group BlackRock, Inc.3,449,335$180M<0.01%-50,45313F-HRTimelineGroup
VANGUARD GROUP INCgroup of 6 filers holding3,051,457$159MnewTimeline
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC1,906,870$99.4M0.05%+72,09313F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP1,203,283$62.8M<0.01%-18,09613F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP944,699$49.3M0.01%+47,12713F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC613,162$32M<0.01%+6,69513F-HRTimelineGroup
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC399,046$20.8M0.01%+17,21413F-HRTimelineGroup
Nuveen, LLCin group TIAA359,345$18.7M0.01%+4,45513F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP353,032$18.4M0.02%+167,33113F-HRTimelineGroup
PALISADE CAPITAL MANAGEMENT, LP304,954$15.9M0.53%-13,64313F-HRTimeline
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co297,925$15.5M<0.01%-54613F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP288,977$15.1M<0.01%+1,50813F-HRTimelineGroup
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …283,809$14.8M0.01%-11,57913F-HRTimelineGroup
RBO & CO LLC282,198$14.7M2.38%-4,64213F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY255,156$13.3M<0.01%-39,61313F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC226,720$11.8M<0.01%-32,62013F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp209,513$10.9M<0.01%+96213F-HRTimelineGroup
UBS Group AGgroup of 2 filers holding203,361$10.6M-296,570Timeline
T. Rowe Price Investment Management, In…195,842$10.2M0.01%-43,13913F-HRTimeline
Qube Research & Technologies Ltd171,380$8.94M0.01%-57,10213F-HRTimeline
RENAISSANCE TECHNOLOGIES LLC152,431$7.95M0.01%+56,90013F-HRTimeline
PRINCIPAL FINANCIAL GROUP INCin group PRINCIPAL FINANCIAL GROUP INC151,149$7.88M<0.01%+5,61613F-HRTimelineGroup
Leeward Investments, LLC - MA138,180$7.21M0.36%-3,74913F-HRTimeline
Invesco Ltd.in group Invesco Ltd.132,218$6.9M<0.01%+18,57213F-HRTimelineGroup
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP130,982$6.83M<0.01%+51,14813F-HRTimelineGroup
NEW YORK STATE COMMON RETIREMENT FUND129,418$6.75M0.01%013F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC124,582$6.5M<0.01%-85,81813F-HRTimelineGroup
JUPITER ASSET MANAGEMENT LTDin group JUPITER ASSET MANAGEMENT LTD97,707$5.1M0.03%-28,85413F-HRTimelineGroup
HRT FINANCIAL LP94,687$4.94M0.01%+83,64813F-HRTimeline
Public Sector Pension Investment Board88,107$4.59M0.01%+1,80113F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/86,384$4.5M<0.01%+28,00913F-HRTimelineGroup
FRANKLIN RESOURCES INCin group Franklin Resources85,098$4.44M<0.01%+74,03813F-HRTimelineGroup
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC81,360$4.24M<0.01%+1,52213F-HRTimelineGroup
Man Group plcin group Man Group plc80,652$4.21M0.01%+44,36413F-HRTimelineGroup
RHUMBLINE ADVISERS77,469$4.04M<0.01%-1113F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC69,358$3.62M<0.01%+2,63413F-HRTimelineGroup
IEQ CAPITAL, LLC60,743$3.17M0.01%+1,26513F-HRTimeline
MALTESE CAPITAL MANAGEMENT LLCin group MALTESE CAPITAL MANAGEMENT LLC59,540$3.11M0.61%-8,46013F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc57,854$3.02M<0.01%-5,78313F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC56,201$2.93M<0.01%-283,80813F-HRTimelineGroup
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC49,996$2.61M<0.01%-4,37513F-HR/ATimelineGroup
Swiss National Bank46,900$2.45M<0.01%-90013F-HRTimeline
WINTON GROUP Ltdin group WINTON GROUP Ltd46,577$2.43M0.09%+23013F-HRTimelineGroup
SG Americas Securities, LLC45,171$2.36M<0.01%+12,67213F-HRTimeline
JACOBS LEVY EQUITY MANAGEMENT, INC44,291$2.31M0.01%+5,15413F-HRTimeline
ROYCE & ASSOCIATES LP42,934$2.24M0.02%013F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS40,026$2.09M<0.01%+16,51913F-HRTimelineGroup
Trexquant Investment LP38,052$1.98M0.01%-17,86613F-HRTimeline
COMMONWEALTH EQUITY SERVICES, LLC36,357$1.9M<0.01%-1,39813F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/36,184$1.89M<0.01%+3,00713F-HRTimeline
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC35,429$1.85M<0.01%-21713F-HRTimelineGroup
Assenagon Asset Management S.A.35,192$1.84M<0.01%new13F-HRTimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO35,321$1.82M<0.01%-51,12813F-HR/ATimelineGroup
State of Tennessee, Department of Treas…32,041$1.67M0.01%+21,41813F-HRTimeline
DARK FOREST CAPITAL MANAGEMENT LP30,274$1.58M0.14%-33,61313F-HRTimeline
LPL Financial LLC27,192$1.42M<0.01%+1,33413F-HRTimeline
ALLIANCEBERNSTEIN L.P.29,520$1.41M<0.01%013F-HRTimeline
CWM, LLCin group CWM, LLC26,300$1.37M<0.01%+1,34813F-HRTimelineGroup
Cerity Partners LLCin group Cerity Partners LLC26,176$1.37M<0.01%+1,60613F-HRTimelineGroup
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC25,652$1.34M<0.01%+2,24013F-HRTimelineGroup
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\25,021$1.3M<0.01%+2,43413F-HRTimelineGroup
Point72 Asset Management, L.P.in group Point72 Asset Management, L.P.23,670$1.23M<0.01%-48,30013F-HRTimelineGroup
Connor, Clark & Lunn Investment Managem…22,817$1.19M<0.01%-4,04213F-HRTimeline
HEALTHCARE OF ONTARIO PENSION PLAN TRUS…22,713$1.18M<0.01%013F-HRTimeline
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co21,852$1.14M<0.01%-1,99613F-HRTimelineGroup
Cypress Wealth Services, LLC21,775$1.14M0.16%013F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…20,229$1.05M<0.01%new13F-HRTimelineGroup
Mariner, LLCin group Mariner, LLC20,193$1.05M<0.01%+2,38113F-HRTimelineGroup
XTX Topco Ltdin group XTX Topco Ltd19,667$1.03M0.02%new13F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC19,095$996K<0.01%-3,40013F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…19,026$992K<0.01%-5,24113F-HRTimeline
Edgestream Partners, L.P.17,007$887K0.03%new13F-HRTimeline
SEI INVESTMENTS COin group SEI INVESTMENTS CO16,727$873K<0.01%-9,53813F-HRTimelineGroup
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…16,435$857K<0.01%-69813F-HRTimelineGroup
Rafferty Asset Management, LLC15,155$790K<0.01%-6,38113F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA15,039$784K<0.01%+27813F-HRTimelineGroup
SummerHaven Investment Management, LLC14,368$749K0.46%-2,06513F-HRTimeline
Horizon Investments, LLC14,048$726K0.01%+1,32013F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN13,846$722K<0.01%-21,53713F-HR/ATimelineGroup
KLP KAPITALFORVALTNING AS13,700$714K<0.01%013F-HRTimeline
WEALTH ENHANCEMENT ADVISORY SERVICES, L…13,546$702K<0.01%-10713F-HRTimeline
State of Alaska, Department of Revenue13,203$687K0.01%-60113F-HRTimeline
STIFEL FINANCIAL CORPin group STIFEL FINANCIAL CORP13,124$684K<0.01%+11813F-HRTimelineGroup
Illinois Municipal Retirement Fund12,973$677K0.01%-74513F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…12,735$664K<0.01%-215,92313F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC12,435$648K<0.01%-33,09213F-HRTimelineGroup
Engineers Gate Manager LP12,243$638K0.01%+1,75113F-HRTimeline
Odyssean, LLC12,167$635K0.23%new13F-HRTimeline
Hennion & Walsh Asset Management, Inc.12,106$631K0.02%+1,50413F-HRTimeline
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC11,945$624K<0.01%013F-HRTimelineGroup
FMR LLCin group FMR LLC11,840$617K<0.01%-18,49513F-HRTimelineGroup
JANUS HENDERSON GROUP PLCin group Janus Henderson11,748$613K<0.01%013F-HR/ATimelineGroup
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…11,146$581K<0.01%-10613F-HRTimelineGroup
MERCER GLOBAL ADVISORS INC /ADV11,073$577K<0.01%+1,44213F-HRTimeline
Louisiana State Employees Retirement Sy…10,900$568K0.01%-50013F-HRTimeline
O'SHAUGHNESSY ASSET MANAGEMENT, LLC10,719$559K<0.01%-1,05313F-HRTimeline
Perigon Wealth Management, LLC10,500$548K0.01%-25613F-HRTimeline
Inspire Investing, LLCin group Inspire Investing, LLC9,851$514K0.03%+7313F-HRTimelineGroup
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …9,654$503K<0.01%-69713F-HRTimelineGroup
Quantinno Capital Management LP9,180$479K<0.01%-2,42013F-HRTimeline
NEUBERGER BERMAN GROUP LLCin group NEUBERGER BERMAN GROUP LLC9,096$474K<0.01%new13F-HRTimelineGroup
MEEDER ASSET MANAGEMENT INCin group Meeder Advisory Services, Inc.8,127$424K0.02%013F-HRTimelineGroup
PANAGORA ASSET MANAGEMENT INC7,926$413K<0.01%013F-HRTimeline
MARSHALL WACE, LLPin group MARSHALL WACE, LLP7,900$412K<0.01%-3,22813F-HRTimelineGroup
Aigen Investment Management, LP7,844$409K0.11%new13F-HRTimeline
VICTORY CAPITAL MANAGEMENT INC7,753$404K<0.01%-7913F-HRTimeline
Schonfeld Strategic Advisors LLC7,615$397K<0.01%+2,72513F-HRTimeline
STATE BOARD OF ADMINISTRATION OF FLORID…7,314$381K<0.01%013F-HRTimeline
AMALGAMATED BANK7,077$369K<0.01%-14713F-HRTimeline
Police & Firemen's Retirement System of…7,072$369K<0.01%013F-HRTimeline
SAM Advisors, LLC6,794$354K0.11%013F-HRTimeline
Entropy Technologies, LP6,758$352K0.02%new13F-HRTimeline
CANADA PENSION PLAN INVESTMENT BOARD6,600$344K<0.01%013F-HRTimeline
YOUSIF CAPITAL MANAGEMENT, LLC6,545$341K<0.01%-21413F-HRTimeline
INTECH INVESTMENT MANAGEMENT LLC6,509$339K<0.01%-3,89013F-HRTimeline
ARIZONA STATE RETIREMENT SYSTEM6,507$339K<0.01%-25513F-HRTimeline
TEACHERS RETIREMENT SYSTEM OF THE STATE…6,442$336K<0.01%013F-HRTimeline
TWO SIGMA SECURITIES, LLC6,307$329K0.04%-27713F-HRTimeline
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCH…6,089$318K<0.01%-8413F-HRTimeline
Curi Capital, LLC6,053$316K0.01%+11113F-HRTimeline
Creative Planningin group Creative Planning5,697$297K<0.01%+60813F-HRTimelineGroup
OREGON PUBLIC EMPLOYEES RETIREMENT FUND5,624$293K<0.01%-10013F-HRTimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.5,549$289K<0.01%-2,99313F-HRTimelineGroup
Handelsbanken Fonder AB5,530$288K<0.01%013F-HRTimeline
FIFTH THIRD BANCORPin group FIFTH THIRD BANK, NATIONAL AS…5,472$285K<0.01%+5,39413F-HRTimelineGroup
West Wealth Group, LLC5,184$270K0.05%+4613F-HRTimeline
Zurcher Kantonalbank (Zurich Cantonalba…5,088$265K<0.01%013F-HRTimeline
Allianz Asset Management GmbHin group Allianz SE5,080$265K<0.01%013F-HRTimelineGroup
CAPTRUST FINANCIAL ADVISORS4,876$254K<0.01%+11413F-HRTimeline
GLENMEDE TRUST CO NAin group GLENMEDE TRUST CO NA4,461$233K<0.01%-513F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…4,421$231K0.01%+1,97413F-HRTimelineGroup
Allworth Financial LP4,378$228K<0.01%-10413F-HRTimeline
TEACHER RETIREMENT SYSTEM OF TEXAS4,313$225K<0.01%-68313F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\4,300$224K<0.01%-513F-HRTimelineGroup
Y-Intercept (Hong Kong) Ltd4,002$209K<0.01%-46,52413F-HRTimeline
One Capital Management, LLC4,000$209K0.01%new13F-HRTimeline
LOS ANGELES CAPITAL MANAGEMENT LLC3,786$197K<0.01%-17613F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…3,784$197K<0.01%013F-HRTimeline
GAMMA Investing LLC2,437$127K0.01%+77613F-HRTimeline
NEW YORK STATE TEACHERS RETIREMENT SYST…2,240$117K<0.01%-34,38413F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…2,147$112K<0.01%+1713F-HRTimeline
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…2,062$108K<0.01%013F-HRTimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…1,852$96.6K<0.01%-18913F-HRTimelineGroup
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…1,660$86.6K<0.01%+60513F-HRTimelineGroup
Farther Finance Advisors, LLC1,477$76.7K<0.01%+1613F-HRTimeline
Golden State Wealth Management, LLC1,245$64.9K0.01%013F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…1,213$63.3K<0.01%+4213F-HR/ATimelineGroup
NORTHWESTERN MUTUAL WEALTH MANAGEMENT COin group NORTHWESTERN MUTUAL INVESTMEN…1,000$52.1K<0.01%-2113F-HRTimelineGroup
MAI Capital Management881$45.9K<0.01%+9613F-HRTimeline
Sterling Capital Management LLC787$41K<0.01%-61513F-HRTimeline
HANTZ FINANCIAL SERVICES, INC.705$37K<0.01%-7413F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Pinnacle Wealth Planning Services, Inc.697$36.3K<0.01%-2113F-HRTimeline
Parallel Advisors, LLC635$33.1K<0.01%013F-HR/ATimeline
BESSEMER GROUP INCin group BESSEMER GROUP INC636$33K<0.01%+19013F-HRTimelineGroup
HARBOR CAPITAL ADVISORS, INC.555$29K<0.01%+41513F-HRTimeline
Essential Partners LLC519$27.1K0.01%-1013F-HRTimeline
WHITTIER TRUST CO500$26.2K<0.01%013F-HRTimeline
NISA INVESTMENT ADVISORS, LLC442$23.1K<0.01%+8813F-HRTimeline
IFP Advisors, Inc409$21.3K<0.01%-3213F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP410$21K<0.01%+31013F-HRTimelineGroup
Salomon & Ludwin, LLC317$16.4K<0.01%+12613F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.290$15.1K<0.01%-613F-HRTimelineGroup
ROTHSCHILD INVESTMENT LLC252$13.1K<0.01%+3913F-HRTimeline
Kimelman & Baird, LLC250$13K<0.01%-25513F-HRTimeline
STRS OHIO200$10.4K<0.01%-1,70013F-HRTimeline
Versant Capital Management, Inc196$10.2K<0.01%+1213F-HRTimeline
Pacific Center for Financial Services190$9.91K<0.01%013F-HRTimeline
True Wealth Design, LLC149$7.77K<0.01%-313F-HRTimeline
UMB Bank, n.a.146$7.61K<0.01%+613F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Arax Advisory Partners144$7.51K<0.01%+14113F-HRTimeline
Boreal Capital Management LLC142$7.41K0.01%013F-HRTimeline
Advisory Services Network, LLC136$7.09K<0.01%new13F-HRTimeline
Cedar Mountain Advisors, LLC134$6.99K<0.01%+13013F-HRTimeline
Smartleaf Asset Management LLC106$5.45K<0.01%-9913F-HRTimeline
MassMutual Private Wealth & Trust, FSB100$5.21K<0.01%-13713F-HRTimeline
NewEdge Advisors, LLC100$5.21K<0.01%013F-HR/ATimeline
MCGUIRE CAPITAL ADVISORS INC99$5.16K<0.01%013F-HRTimeline
Quarry LP96$5.01K<0.01%+1013F-HRTimeline
TWIN PEAKS WEALTH ADVISORS, LLC75$3.91K<0.01%new13F-HRTimeline
Mitsubishi UFJ Asset Management Co., Lt…in group Mitsubishi UFJ Trust & Bankin…73$3.81K<0.01%013F-HRTimelineGroup
Kilter Group LLC58$3.02K<0.01%new13F-HRTimeline
Root Financial Partners, LLC49$2.56K<0.01%new13F-HRTimeline
Valued Wealth Advisors LLC47$2.45K<0.01%new13F-HRTimeline
Osbon Capital Management LLC45$2.35K<0.01%013F-HRTimeline
Parkside Financial Bank & Trust40$2.09K<0.01%013F-HRTimeline
Sound Income Strategies, LLC39$2K<0.01%+113F-HRTimeline
SJS Investment Consulting Inc.32$1.67K<0.01%+1213F-HRTimeline
Basecamp Wealth Advisors LLC30$1.56K<0.01%new13F-HRTimeline
Bare Financial Services, Inc22$1.15K<0.01%+1113F-HRTimeline
Sunbelt Securities, Inc.20$1.04K<0.01%-313F-HRTimeline
Keating Financial Advisory Services, In…20$1.04K<0.01%+1913F-HRTimeline
Covestor Ltd12$1K<0.01%013F-HRTimeline
Larson Financial Group LLC19$991<0.01%013F-HRTimeline
QUADRANT CAPITAL GROUP LLC15$783<0.01%-1,09313F-HR/ATimeline
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…15$783<0.01%+613F-HRTimelineGroup
FARMERS & MERCHANTS INVESTMENTS INCin group FARMERS & MERCHANTS INVESTMEN…15$782<0.01%-313F-HRTimelineGroup
WPG Advisers, LLC10$522<0.01%-913F-HRTimeline
SBI Securities Co., Ltd.3$156<0.01%-313F-HRTimeline