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Disclosery

WDC WESTERN DIGITAL CORP

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COM (common), issuer CIK 106040

1,795 managers (1,850 13F filers) reported a position in WDC shares at 2026-06-30, 323,212,871 shares in all. 514 filers opened a position and 91 filers sold out during the quarter.

Managers
1,795
13F filers
1,850
New
514
Added
596
Reduced
604
Sold out
91
Shares held by filers
323,212,871

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, Q2 2026

Filers in the available 13F reports with a share position at 2026-06-30, 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
ZACKS INVESTMENT MANAGEMENT19,893$12.7M0.09%-7,18213F-HRTimeline
Dorsey Wright & Associates19,768$12.6M2.14%+20013F-HRTimeline
BANK OF HAWAII19,633$12.5M0.62%-1,22413F-HRTimeline
Ceredex Value Advisors LLC19,616$12.5M0.35%-121,05013F-HRTimeline
Alberta Investment Management Corp19,400$12.4M0.07%new13F-HRTimeline
KR Capital LP19,400$12.4M1.23%+11,38713F-HRTimeline
Banque Cantonale Vaudoisein group Banque Cantonale Vaudoise19,339$12.4M0.66%-6,82613F-HRTimelineGroup
PINNBROOK CAPITAL MANAGEMENT LP19,280$12.3M2.05%+6,08013F-HRTimeline
HARTFORD INVESTMENT MANAGEMENT CO19,050$12.2M0.35%-28113F-HRTimeline
Assenagon Asset Management S.A.18,844$12M0.02%-8,69313F-HR/ATimeline
Integrated Wealth Concepts LLC18,708$11.9M0.08%-3,92313F-HR/ATimeline
Callan Family Office, LLCin group Callan Family Office, LLC18,637$11.9M0.23%-6,20113F-HRTimelineGroup
OSSIAM18,604$11.9M0.16%new13F-HRTimeline
BOOTHBAY FUND MANAGEMENT, LLC18,558$11.9M0.22%-25,89613F-HRTimeline
STEVENS CAPITAL MANAGEMENT LP18,383$11.7M2.82%new13F-HRTimeline
Alta Advisers Ltdin group Alta Advisers Ltd18,372$11.7M2.66%+17,00713F-HRTimelineGroup
Maryland State Retirement & Pension Sys…18,251$11.7M0.2%+1,19413F-HRTimeline
Aptus Capital Advisors, LLC18,248$11.7M0.09%-26713F-HRTimeline
Private Advisory Group LLC18,135$11.6M0.64%+30713F-HRTimeline
Emerald Investment Advisers, LLCin group EMERALD ADVISERS, LLC17,816$11.4M0.76%+6,27713F-HRTimelineGroup
Lombard Odier Asset Management (Switzer…17,592$11.2M0.36%-18,52613F-HRTimeline
Vestcor Inc17,579$11.2M0.28%+3,17813F-HRTimeline
Genus Capital Management Inc.17,505$11.2M1.1%+5,50513F-HRTimeline
Atria Investments, Inc17,325$11.1M0.11%+1,93813F-HRTimeline
Sequoia Financial Advisors, LLC17,263$11M0.06%+57913F-HRTimeline
MAI Capital Management17,241$11M0.04%+9,17413F-HRTimeline
PRELUDE CAPITAL MANAGEMENT, LLC17,023$10.9M0.8%+65013F-HRTimeline
Harvest Investment Services, LLC16,956$10.8M1.67%-3,68713F-HRTimeline
&PARTNERS16,891$10.8M0.04%+1,83113F-HRTimeline
COMMERCE BANKin group COMMERCE BANK16,831$10.8M0.05%-213F-HRTimelineGroup
NEW MEXICO EDUCATIONAL RETIREMENT BOARD16,814$10.7M0.27%+50013F-HRTimeline
BECK CAPITAL MANAGEMENT, LLC16,654$10.6M1.96%+1,59113F-HRTimeline
TD Waterhouse Canada Inc.17,668$10.6M0.03%+75513F-HRTimeline
Concurrent Investment Advisors, LLCin group Concurrent Investment Advisor…16,533$10.6M0.09%+4,84313F-HRTimelineGroup
PEAK6 LLCin group PEAK6 LLC16,327$10.4M0.25%-31,78913F-HRTimelineGroup
Daiichi Life Insurance Co., Ltd.in group Daiichi Life Insurance Co., L…16,075$10.3M0.24%+1,24013F-HRTimelineGroup
Munich Reinsurance Co Stock Corp in Mun…16,010$10.2M0.22%-17,16913F-HRTimeline
Systematic Alpha Investments, LLC16,000$10.2M0.27%013F-HRTimeline
Grand Alliance Asset Management Ltd16,000$10.2M6.14%-20,00013F-HRTimeline
EP Wealth Advisors, LLC15,962$10.2M0.04%+8,98713F-HRTimeline
HB Wealth Management, LLC15,898$10.2M0.06%+87513F-HRTimeline
QUADRANT CAPITAL GROUP LLC15,620$9.98M0.27%-613F-HRTimeline
AE Wealth Management LLC15,369$9.82M0.05%+8,56913F-HRTimeline
AG2R LA MONDIALE GESTION D'ACTIFS15,214$9.72M0.35%+73613F-HRTimeline
Hiddenite Capital Partners LP15,077$9.63M2.37%new13F-HRTimeline
Beck Bode, LLC15,009$9.59M1.45%-7,22013F-HRTimeline
Sterling Capital Management LLC14,997$9.58M0.16%-5,75013F-HRTimeline
SummitTX Capital, L.P.14,830$9.47M0.25%-2,72713F-HRTimeline
Walleye Capital LLCgroup of 2 filers holding14,732$9.41M-240,943Timeline
Williamson Legacy Group, LLC14,671$9.37M4.65%-5,27713F-HRTimeline
MISSION WEALTH MANAGEMENT, LP14,600$9.33M0.12%-3,20313F-HRTimeline
SHARPEPOINT LLC14,541$9.29M4.65%-3,78713F-HRTimeline
LOOMIS SAYLES & CO L Pin group LOOMIS SAYLES & CO L P14,455$9.23M0.01%-72,60413F-HRTimelineGroup
Trek Financial, LLC14,426$9.21M0.46%-7,40213F-HRTimeline
Laurion Capital Management LP14,017$8.95M0.65%+8,18813F-HRTimeline
Vise Technologies, Inc.13,997$8.94M0.1%+5,42213F-HRTimeline
KAYNE ANDERSON RUDNICK INVESTMENT MANAG…13,935$8.9M0.03%-4,94613F-HRTimeline
Atlatl Advisers LLC13,912$8.89M2.11%+12,57213F-HRTimeline
DAVENPORT & Co LLC13,893$8.87M0.05%+1,75313F-HRTimeline
Parkway Wealth Management Group, LLC13,810$8.82M1.02%-98113F-HRTimeline
TOKIO MARINE ASSET MANAGEMENT CO LTDin group TOKIO MARINE HOLDINGS, INC.13,804$8.82M0.27%+8913F-HRTimelineGroup
Bensler, LLC13,569$8.67M0.77%new13F-HRTimeline
Spire Wealth Managementin group Spire Wealth Management13,574$8.66M0.26%-1,54113F-HRTimelineGroup
Krilogy Financial LLC13,456$8.59M0.25%-1,36413F-HRTimeline
Global Retirement Partners, LLC13,445$8.59M0.13%13F-HRTimeline
INDEPENDENT FINANCIAL GROUP, LLC13,435$8.58M0.16%-1,16213F-HRTimeline
UNITED CAPITAL FINANCIAL ADVISORS, LLCin group UNITED CAPITAL FINANCIAL ADVI…13,385$8.55M0.05%+12813F-HRTimelineGroup
North Dakota State Investment Board13,091$8.36M0.34%-3,55713F-HRTimeline
APEIRON CAPITAL Ltd13,000$8.3M5.33%new13F-HRTimeline
GTS SECURITIES LLC12,918$8.25M0.17%+10,18813F-HRTimeline
Meiji Yasuda Life Insurance Cogroup of 2 filers holding12,652$8.08M-1,836Timeline
October Effect Ltd12,581$8.04M7.56%+9,24113F-HRTimeline
GAMMA Investing LLC12,524$8M0.3%+2713F-HRTimeline
JOHN G ULLMAN & ASSOCIATES INC12,491$7.98M0.97%-20,46713F-HRTimeline
E. Ohman J:or Asset Management AB12,394$7.92M0.18%+64013F-HRTimeline
Resolute Advisors LLC12,300$7.86M1.88%new13F-HRTimeline
Horizon Investments, LLC12,297$7.85M0.09%+1,54413F-HRTimeline
Curi Capital, LLC12,148$7.76M0.12%+5,36113F-HRTimeline
FACTORY MUTUAL INSURANCE CO12,100$7.73M0.07%new13F-HRTimeline
Laird Norton Wetherby Trust Company, LLCin group Laird Norton Wetherby Trust C…12,071$7.71M0.15%-32913F-HRTimelineGroup
Precision Wealth Strategies, LLC12,016$7.67M2.31%+4,67413F-HRTimeline
Virtue Capital Management, LLC12,001$7.67M1.02%+4,75913F-HRTimeline
SCALAR GAUGE MANAGEMENT, LLC12,000$7.66M4.23%new13F-HRTimeline
MITCHELL CAPITAL MANAGEMENT CO11,976$7.65M1.16%-11,47613F-HRTimeline
Metis Global Partners, LLC11,899$7.6M0.17%-1,19413F-HRTimeline
ROMANO BROTHERS AND COMPANY11,895$7.6M0.76%-3,50613F-HRTimeline
ARGONAUTICA PRIVATE WEALTH MANAGEMENT, …11,810$7.54M1.84%-3813F-HRTimeline
Savant Capital, LLCin group Savant Capital, LLC16,050$7.44M0.02%+8,01013F-HRTimelineGroup
BNP PARIBASin group BNP PARIBAS11,522$7.36M0.2%-1,61613F-HRTimelineGroup
PKO Investment Management Joint-Stock Co11,500$7.35M0.53%+50013F-HRTimeline
Penserra Capital Management LLCin group Penserra Capital Management L…11,434$7.3M0.06%+4,35713F-HRTimelineGroup
SIMPLEX TRADING, LLC11,430$7.3M0.19%+5,64513F-HRTimeline
OPTIMIZE FINANCIAL INC.11,387$7.27M2.61%-3913F-HRTimeline
Sound Capital Solutions LLC11,387$7.27M1.7%13F-HRTimeline
Dana Investment Advisors, Inc.11,366$7.26M0.19%-7,96213F-HRTimeline
Empirical Finance, LLC11,312$7.23M0.3%+39713F-HRTimeline
SPX Gestao de Recursos Ltdain group SPX Gestao de Recursos Ltda11,300$7.22M0.8%new13F-HR/ATimelineGroup
Everhart Financial Group, Inc.11,129$7.11M0.45%-1,35913F-HRTimeline
Financial Synergies Wealth Advisors, In…10,893$6.96M0.59%+2013F-HRTimeline
CSM Advisors, LLC10,895$6.96M0.15%new13F-HRTimeline
Independent Advisor Alliance10,888$6.95M0.16%+13613F-HRTimeline
Artemis Investment Management LLP10,874$6.95M0.06%-2,49013F-HRTimeline
Franchise GP Ltd10,710$6.84M3.18%new13F-HRTimeline
Advisors Asset Management, Inc.10,561$6.75M0.1%+5,50413F-HRTimeline
Howard Capital Management, LLC10,542$6.73M0.08%+6,50213F-HRTimeline
Bellwether Advisors, LLC10,536$6.73M1%-20,89313F-HRTimeline
Ascent Group, LLCin group Ascent Group, LLC10,479$6.69M0.2%+1,17913F-HRTimelineGroup
Portman Square Capital LLP10,430$6.66M1.13%new13F-HRTimeline
LVW Advisors, LLC10,327$6.6M0.57%+70913F-HRTimeline
ATLAS CAPITAL ADVISORS INC.10,286$6.57M0.72%-5,14713F-HR/ATimeline
St. Louis Financial Planners Asset Mana…12,184$6.57M3.5%-6,48313F-HRTimeline
SteelPeak Wealth, LLC10,220$6.53M0.17%-3,55613F-HRTimeline
Private Advisor Group, LLC10,208$6.52M0.03%+93013F-HRTimeline
Kathmere Capital Management, LLC10,132$6.47M0.34%+1,56413F-HRTimeline
Diversify Advisory Services, LLCgroup of 2 filers holding12,970$6.46M+8,295Timeline
SBI Securities Co., Ltd.10,111$6.46M0.15%+4,63913F-HRTimeline
Convergence Investment Partners, LLC10,054$6.42M0.61%-10,12213F-HRTimeline
Alight Capital Management LP10,000$6.39M1.04%013F-HRTimeline
Elite Wealth Management, Inc.9,819$6.27M1.86%new13F-HRTimeline
SEEDS INVESTOR LLC9,750$6.23M0.64%+7,42313F-HRTimeline
KNIGHTSBRIDGE ASSET MANAGEMENT, LLC9,738$6.22M0.82%-3,88813F-HR/ATimeline
CHOREO, LLC9,711$6.2M0.07%-59213F-HRTimeline
Roehl & Yi Investment Advisors, LLC9,643$6.16M2.04%-3,27513F-HRTimeline
GROUPAMA ASSET MANAGMENT9,439$6.15M0.08%-15613F-HRTimeline
Apollon Wealth Management, LLCin group Apollon Wealth Management, LLC9,627$6.15M0.07%+78913F-HRTimelineGroup
FLORIDA FINANCIAL ADVISORS, LLC9,556$6.1M1.03%-2,89913F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…9,540$6.09M0.15%-16,27313F-HRTimelineGroup
L & S Advisors Inc9,502$6.07M0.63%-9,50113F-HRTimeline
Collar Capital Management, LLC9,484$6.06M3.57%-9,74213F-HRTimeline
Lifestyle Asset Management, Inc.9,474$6.05M1.63%-3,97513F-HRTimeline
BESSEMER GROUP INCin group BESSEMER GROUP INC9,473$6.05M0.01%-5,99213F-HRTimelineGroup
STANCE CAPITAL LLC9,466$6.05M1.84%-7,69313F-HRTimeline
Oak Thistle LLC9,456$6.04M0.58%new13F-HRTimeline
Canada Post Corp Registered Pension Plan9,449$6.04M0.21%-1,08013F-HRTimeline
Raiffeisen Bank International AGin group Raiffeisen Bank International…9,239$6.02M0.07%-22113F-HRTimelineGroup
CHESAPEAKE CAPITAL CORP /IL/9,387$6M3.24%-3113F-HRTimeline
Siemens Fonds Invest GmbH9,336$5.96M0.29%+2,08913F-HRTimeline
COLDSTREAM CAPITAL MANAGEMENT INC9,300$5.94M0.07%-18113F-HRTimeline
BROWN BROTHERS HARRIMAN & COin group BROWN BROTHERS HARRIMAN & CO9,230$5.9M0.03%+3,50513F-HRTimelineGroup
UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT…9,209$5.88M0.68%+98513F-HRTimeline
NFJ INVESTMENT GROUP, LLC9,193$5.87M0.2%new13F-HRTimeline
SIGNATUREFD, LLC9,172$5.86M0.08%+92213F-HRTimeline
Allworth Financial LP9,004$5.75M0.02%+3,08813F-HRTimeline
CITIZENS FINANCIAL GROUP INC/RIin group CITIZENS FINANCIAL GROUP INC/…8,992$5.74M0.07%+1,63413F-HRTimelineGroup
PRAXIS INVESTMENT MANAGEMENT INC8,897$5.68M0.3%-2,81913F-HRTimeline
Sivia Capital Partners, LLC8,896$5.68M0.69%+2,08613F-HRTimeline
Danica Pension, Livsforsikringsaktiesel…8,891$5.68M0.09%new13F-HRTimeline
JACOBS LEVY EQUITY MANAGEMENT, INC8,873$5.67M0.02%+20113F-HRTimeline
Fairvoy Private Wealth, LLC8,786$5.61M1.13%new13F-HRTimeline
Wakefield Asset Management LLLPin group Wakefield Asset Management LL…8,737$5.58M1.26%-5,61213F-HRTimelineGroup
VestGen Advisors, LLC8,651$5.53M0.16%+24713F-HRTimeline
J. Safra Sarasin Holding AGin group J. Safra Sarasin Holding AG9,755$5.5M0.08%+5,70713F-HRTimelineGroup
Fisher Asset Management, LLC8,605$5.5M<0.01%-6,47913F-HRTimeline
PIER 88 INVESTMENT PARTNERS LLC8,600$5.49M1.31%+4,60013F-HRTimeline
Aristotle Atlantic Partners, LLCin group ARISTOTLE INVESTMENT SERVICES…8,598$5.49M0.23%new13F-HRTimelineGroup
Western Financial Corp/CA8,556$5.46M1.6%-50913F-HRTimeline
Frec Markets, Inc.in group Frec Markets, Inc.8,527$5.45M0.49%+1,05213F-HRTimelineGroup
Pallas Capital Advisors LLC8,514$5.44M0.17%-10,47713F-HRTimeline
ROTHSCHILD INVESTMENT LLC8,462$5.4M0.2%+5,23713F-HRTimeline
Quantbot Technologies LP8,435$5.39M0.21%+77313F-HRTimeline
HIMENSION CAPITAL (SINGAPORE) PTE. LTD.8,303$5.3M0.33%new13F-HRTimeline
RATIONAL ADVISORS, INC.8,300$5.3M0.49%new13F-HRTimeline
WEST MICHIGAN ADVISORS, LLC8,277$5.29M1%+5,16013F-HR/ATimeline
Parallel Advisors, LLC8,212$5.25M0.08%+1,91513F-HRTimeline
Dedeker Financial LLC8,204$5.24M2.98%-1,10513F-HRTimeline
SMART Wealth LLC8,197$5.24M1.13%+1,40313F-HRTimeline
Pinpoint Asset Management (Singapore) P…8,150$5.21M1.06%new13F-HRTimeline
Leonteq Securities AG8,030$5.13M0.31%+24613F-HRTimeline
Plato Investment Management Ltd7,949$5.05M0.29%-2,33013F-HRTimeline
ALGERT GLOBAL LLC7,875$5.03M0.06%new13F-HRTimeline
World Investment Advisors13,691$4.99M0.08%-1,58913F-HRTimeline
SIH Partners, LLLPin group SIH Partners, LLLP7,806$4.99M0.21%+2,19813F-HRTimelineGroup
SUMITOMO LIFE INSURANCE CO7,804$4.98M0.08%-2,21013F-HRTimeline
Edgestream Partners, L.P.7,795$4.98M0.15%+5,57813F-HRTimeline
Groupe la Francaisein group Groupe la Francaise7,674$4.9M0.06%+7,64413F-HRTimelineGroup
ZIONS BANCORPORATION, NATIONAL ASSOCIAT…7,671$4.9M0.29%+4,03113F-HRTimeline
V-Square Quantitative Management LLC7,653$4.89M0.46%+1,49313F-HRTimeline
Donoghue Forlines LLC7,619$4.87M1.26%-1,88513F-HRTimeline
NorthCrest Asset Manangement, LLC8,401$4.86M0.12%+84013F-HRTimeline
Beacon Pointe Advisors, LLC7,485$4.78M0.02%-1,40613F-HRTimeline
Bull Harbor Capital LLC7,465$4.77M0.93%-47013F-HRTimeline
Wahed Invest LLC7,424$4.74M0.49%-1,03513F-HRTimeline
Steward Partners Investment Advisory, L…7,327$4.68M0.02%-2,28913F-HRTimeline
Compound Planning, Inc.7,299$4.66M0.12%+41613F-HRTimeline
Chicago Partners Investment Group LLC8,350$4.66M0.09%-1,18113F-HRTimeline
Kovack Advisors, Inc.7,599$4.65M0.22%-4,43913F-HRTimeline
HARBOUR INVESTMENTS, INC.7,226$4.62M0.06%+1,71013F-HRTimeline
PATTON FUND MANAGEMENT, INC.7,190$4.59M0.99%-3,76313F-HRTimeline
SCOTIA CAPITAL INC.7,140$4.56M0.02%-43513F-HRTimeline
Osmosis Investment Management UK Ltd7,100$4.53M0.21%-9,71413F-HRTimeline
Three Seasons Wealth, LLC7,062$4.51M0.41%+1,01813F-HRTimeline
Storgate, LLC6,987$4.46M0.93%+4,60013F-HRTimeline
BankChampaign, National Association6,975$4.46M3.42%-89413F-HRTimeline
AlphaCore Capital LLC6,969$4.45M0.08%+2,91513F-HRTimeline
PIAR LLC6,920$4.42M2.74%new13F-HRTimeline
JAMES INVESTMENT RESEARCH, INC.6,900$4.41M0.45%+42413F-HRTimeline
CENTAURUS FINANCIAL, INC.6,872$4.39M0.17%+2,37313F-HRTimeline
SECURIAN ASSET MANAGEMENT, INC9,159$4.37M0.16%-3713F-HRTimeline
Tema ETFs LLC6,805$4.35M0.14%+65213F-HRTimeline
Pure Financial Advisors, LLC6,794$4.34M0.06%+2,90813F-HRTimeline