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Disclosery

WDC WESTERN DIGITAL CORP

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COM (common), issuer CIK 106040

649 managers (666 13F filers) reported a position in WDC shares at 2025-03-31, 356,996,837 shares in all. 85 filers opened a position and 140 filers sold out during the quarter.

Managers
649
13F filers
666
New
85
Added
281
Reduced
202
Sold out
140
Shares held by filers
356,996,837

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 2025

Filers in the available 13F reports with a share position at 2025-03-31, 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
STIFEL FINANCIAL CORPin group STIFEL FINANCIAL CORP80,542$3.26M<0.01%-7,56113F-HRTimelineGroup
Jump Financial, LLCin group Jump Financial, LLC80,000$3.23M0.05%+12,43613F-HR/ATimelineGroup
Czech National Bank79,889$3.23M0.03%+4,93213F-HRTimeline
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCH…79,543$3.22M0.02%+6,03513F-HRTimeline
WELLINGTON MANAGEMENT GROUP LLPin group WELLINGTON MANAGEMENT GROUP L…76,941$3.11M<0.01%+1,10513F-HRTimelineGroup
Sterling Capital Management LLC75,854$3.07M0.05%+55,32413F-HRTimeline
Retirement Systems of Alabama74,743$3.02M0.01%-10513F-HRTimeline
ALERUS FINANCIAL NA72,287$2.92M0.23%-2,29513F-HRTimeline
Soviero Asset Management, LP72,000$2.91M3.39%new13F-HRTimeline
ASSETMARK, INCin group ASSETMARK, INC71,621$2.9M0.01%+85313F-HRTimelineGroup
Symmetry Investments LPin group Symmetry Investments LP71,392$2.89M0.26%+28,64613F-HRTimelineGroup
CAPITAL FUND MANAGEMENT S.A.70,525$2.85M0.04%new13F-HRTimeline
Assenagon Asset Management S.A.70,198$2.84M0.01%-125,23713F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\70,189$2.84M<0.01%-4,62113F-HRTimelineGroup
MACQUARIE GROUP LTDin group MACQUARIE GROUP LTD70,094$2.83M<0.01%-2,074,70213F-HR/ATimelineGroup
RENAISSANCE TECHNOLOGIES LLC69,933$2.83M<0.01%-842,20013F-HRTimeline
AMALGAMATED BANK66,950$2.71M0.02%+1,09313F-HRTimeline
ING GROEP NV66,613$2.69M0.02%+36,65913F-HRTimeline
BRITISH COLUMBIA INVESTMENT MANAGEMENT …66,111$2.67M0.02%-8113F-HRTimeline
FORSTA AP-FONDEN65,900$2.66M0.02%-5,60013F-HRTimeline
Weiss Asset Management LPin group Weiss Asset Management LP64,983$2.63M0.07%new13F-HRTimelineGroupThe filing omitted confidential holdings, a later amendment may add them.
Advisors Preferred, LLCin group Advisors Preferred, LLC63,820$2.61M0.35%new13F-HRTimelineGroup
PRELUDE CAPITAL MANAGEMENT, LLC61,336$2.48M0.25%+33,39013F-HRTimeline
Quantbot Technologies LP60,116$2.43M0.08%new13F-HRTimeline
American Assets Investment Management, …in group American Assets Investment Ma…60,000$2.43M0.21%013F-HR/ATimelineGroup
USS Investment Management Ltd59,641$2.41M0.02%013F-HRTimeline
IFM Investors Pty Ltd59,619$2.41M0.03%013F-HR/ATimeline
K2 PRINCIPAL FUND, L.P.59,279$2.4M0.37%new13F-HRTimeline
Galaxy Group Investments LLCgroup of 2 filers holding59,187$2.39M+4,156Timeline
FengHe Fund Management Pte. Ltd.57,900$2.34M0.88%new13F-HRTimeline
Utah Retirement Systems57,365$2.32M0.03%013F-HRTimeline
XPONANCE LLC56,714$2.29M0.02%+76213F-HRTimeline
Daiwa Securities Group Inc.in group Daiwa Securities Group Inc.54,888$2.22M0.01%+3,69413F-HRTimelineGroup
Tidal Investments LLCin group Tidal Investments LLC54,467$2.2M0.02%+16,21313F-HRTimelineGroup
Public Sector Pension Investment Board54,161$2.19M0.01%+4,15513F-HRTimeline
Swiss Life Asset Management Ltdin group Swiss Life Asset Management L…53,596$2.17M0.02%+12,23113F-HRTimelineGroup
New York Life Investment Management LLCin group New York Life Investment Mana…52,249$2.11M0.02%+39513F-HRTimelineGroup
CIBC Asset Management Inc51,731$2.09M0.01%-33713F-HRTimeline
Eisler Capital Management Ltd.50,981$2.06M0.06%+31,99513F-HRTimeline
TEACHER RETIREMENT SYSTEM OF TEXAS50,541$2.04M0.01%new13F-HRTimeline
Police & Firemen's Retirement System of…50,392$2.04M0.02%013F-HRTimeline
Polymer Capital Management (HK) LTD48,435$1.96M0.34%+14,38513F-HRTimeline
HighVista Strategies LLC48,300$1.95M0.75%+22,30013F-HRTimeline
WOLVERINE TRADING, LLC47,906$1.95M0.06%-7,75213F-HRTimeline
Federation des caisses Desjardins du Qu…48,059$1.94M0.01%-5,00113F-HRTimeline
YOUSIF CAPITAL MANAGEMENT, LLC46,455$1.88M0.02%-14013F-HRTimeline
JANUS HENDERSON GROUP PLCin group Janus Henderson45,774$1.86M<0.01%-25,80013F-HRTimelineGroup
BNP PARIBAS ASSET MANAGEMENT Holding S.…in group BNP PARIBAS ASSET MANAGEMENT …45,873$1.85M<0.01%+18,63013F-HRTimelineGroup
Creative Planningin group Creative Planning45,670$1.85M<0.01%+3,88513F-HRTimelineGroup
GENDELL JEFFREY Lin group GENDELL JEFFREY L45,000$1.82M0.08%-247,60513F-HRTimelineGroup
NISSAY ASSET MANAGEMENT CORP /JAPAN43,059$1.74M0.01%+52913F-HRTimeline
LGT Group Foundationin group LGT Group Foundation43,042$1.74M0.02%+50713F-HRTimelineGroup
GROUP ONE TRADING LLC43,029$1.74M0.07%+2,54313F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…41,972$1.7M<0.01%+10,78613F-HRTimelineGroup
CIBC WORLD MARKETS CORP41,859$1.69M0.01%-12,67113F-HRTimeline
Mariner, LLCin group Mariner, LLC41,389$1.67M<0.01%+6,34513F-HRTimelineGroup
Caption Management, LLC41,000$1.66M0.08%-49,50013F-HRTimeline
State of Alaska, Department of Revenue40,752$1.65M0.02%+1,31513F-HRTimeline
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLCin group MUTUAL OF AMERICA CAPITAL MAN…40,442$1.64M0.02%-96713F-HR/ATimelineGroup
Aquatic Capital Management LLC40,021$1.62M0.04%new13F-HRTimeline
Greenwich Wealth Management LLC39,544$1.6M0.12%013F-HRTimeline
Richard Bernstein Advisors LLC39,291$1.59M0.04%-93813F-HRTimeline
Schonfeld Strategic Advisors LLC39,203$1.58M0.01%-35,35513F-HRTimeline
Alberta Investment Management Corp38,179$1.54M0.01%new13F-HRTimeline
Pacer Advisors, Inc.37,526$1.52M<0.01%-14013F-HRTimeline
FJARDE AP-FONDEN /FOURTH SWEDISH NATION…36,966$1.5M0.02%-8,50013F-HRTimeline
Ethic Inc.36,399$1.49M0.03%+9813F-HRTimeline
Janney Montgomery Scott LLC35,648$1.44M<0.01%+1,55313F-HRTimeline
OP Asset Management Ltd35,377$1.43M0.02%13F-HR/ATimeline
OCCUDO QUANTITATIVE STRATEGIES LP34,820$1.41M0.19%+9,91913F-HRTimeline
Dana Investment Advisors, Inc.34,876$1.41M0.05%-13,45013F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…34,227$1.38M0.01%013F-HRTimeline
Entropy Technologies, LP34,063$1.38M0.13%new13F-HRTimeline
Composition Wealth, LLC34,004$1.37M0.03%-3,36213F-HRTimeline
PARUS FINANCE (UK) Ltd33,950$1.37M0.47%-85,71113F-HRTimeline
WEDBUSH SECURITIES INC33,860$1.37M0.05%+98113F-HRTimeline
MARSHALL WACE, LLPin group MARSHALL WACE, LLP33,800$1.37M<0.01%-462,52613F-HRTimelineGroup
Kentucky Retirement Systemsgroup of 2 filers holding33,632$1.36M+3,739Timeline
Corient Private Wealth LPin group Corient Private Wealth LP32,154$1.3M<0.01%+2,41613F-HRTimelineGroup
Rakuten Investment Management, Inc.31,733$1.29M0.01%13F-HRTimeline
ASR Vermogensbeheer N.V.31,151$1.26M0.02%13F-HRTimeline
BANCO BILBAO VIZCAYA ARGENTARIA, S.A.31,206$1.24M0.01%-4,50313F-HRTimeline
Burren Capital Advisors Ltd30,360$1.23M4.39%new13F-HRTimeline
Cetera Investment Advisers30,303$1.23M<0.01%+1,87213F-HRTimeline
OREGON PUBLIC EMPLOYEES RETIREMENT FUND29,837$1.21M0.02%+22013F-HRTimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.29,303$1.18M<0.01%-355,62313F-HRTimelineGroup
IEQ CAPITAL, LLC29,205$1.18M0.01%-2,42913F-HRTimeline
WEALTH ENHANCEMENT ADVISORY SERVICES, L…28,838$1.17M<0.01%+9,97413F-HRTimeline
MIZUHO SECURITIES USA LLC27,850$1.13M0.02%-4,91513F-HRTimeline
HIGHBRIDGE CAPITAL MANAGEMENT LLC27,500$1.11M0.05%new13F-HRTimeline
Clear Harbor Asset Management, LLC27,216$1.1M0.09%+10,99413F-HRTimeline
NORDEA INVESTMENT MANAGEMENT ABin group NORDEA INVESTMENT MANAGEMENT …27,778$1.09M<0.01%+11213F-HRTimelineGroup
TEACHERS RETIREMENT SYSTEM OF THE STATE…26,683$1.08M0.01%+2,46013F-HRTimeline
Arkadios Wealth Advisors26,059$1.05M0.04%+6,10513F-HRTimeline
One68 Global Capital, LLC26,000$1.05M0.52%-15,20013F-HRTimeline
Collar Capital Management, LLC25,573$1.03M0.94%+24913F-HRTimeline
Avanza Fonder AB24,745$1.03M0.03%-1,57913F-HRTimeline
Tredje AP-fonden25,262$1.02M0.01%013F-HRTimeline
Engineers Gate Manager LP24,963$1.01M0.02%-104,11213F-HRTimeline
Candriam S.C.A.24,648$997K0.01%-4,63613F-HRTimeline
SCHRODER INVESTMENT MANAGEMENT GROUP24,431$988K<0.01%-8,43513F-HRTimeline
B. Metzler seel. Sohn & Co. AGin group B. Metzler seel. Sohn & Co. AG24,058$973K0.01%-7213F-HRTimelineGroup
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC24,021$971K<0.01%+17,72413F-HRTimelineGroup
SteelPeak Wealth, LLC23,957$969K0.04%+17,09713F-HRTimeline
O'SHAUGHNESSY ASSET MANAGEMENT, LLC23,810$963K0.01%-88113F-HRTimeline
Franklin Resourcesgroup of 2 filers holding22,923$927K-1,222,857Timeline
J. Safra Sarasin Holding AGin group J. Safra Sarasin Holding AG22,269$900K0.02%-1,00513F-HRTimelineGroup
Machina Capital S.A.S.22,211$898K0.27%new13F-HRTimeline
Sanctuary Advisors, LLC21,610$874K0.01%+36313F-HRTimeline
Lido Advisors, LLCin group Lido Advisors, LLC21,234$859K0.01%-6,43013F-HRTimelineGroup
HARTFORD INVESTMENT MANAGEMENT CO21,203$857K0.03%-22013F-HRTimeline
ROMANO BROTHERS AND COMPANY20,882$844K0.11%-50013F-HRTimeline
NEOS Investment Management LLC20,238$818K0.02%+3,75913F-HRTimeline
Sciencast Management LP20,114$813K0.19%new13F-HRTimeline
Metis Global Partners, LLC19,920$805K0.02%+2,82813F-HRTimeline
Gulf International Bank (UK) Ltd19,710$796K0.03%-5,37013F-HRTimeline
BLAIR WILLIAM & CO/IL19,523$789K<0.01%+39913F-HRTimeline
Lombard Odier Asset Management (Switzer…19,499$788K0.05%+3,14713F-HRTimeline
Banque Cantonale Vaudoisein group Banque Cantonale Vaudoise19,485$788K0.03%13F-HRTimelineGroup
OXFORD ASSET MANAGEMENT LLP19,409$785K0.36%new13F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
ALLSTATE CORPin group ALLSTATE CORP19,170$775K0.02%+8,92913F-HRTimelineGroup
Louisiana State Employees Retirement Sy…18,700$756K0.02%+10013F-HRTimeline
Banco BTG Pactual S.A.18,405$744K0.19%new13F-HRTimeline
SECURIAN ASSET MANAGEMENT, INC18,331$741K0.02%-24813F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.17,741$717K<0.01%+3,69113F-HRTimelineGroup
CSS LLC/IL17,670$714K0.05%+15,55013F-HRTimeline
Kestra Advisory Services, LLCgroup of 3 filers holding17,492$707K+3,290Timeline
Elo Mutual Pension Insurance Co17,044$689K0.02%-14,52513F-HRTimeline
NORTHWESTERN MUTUAL INVESTMENT MANAGEME…group of 2 filers holding17,003$687K+1,387Timeline
Circle Wealth Management, LLC16,809$680K0.02%013F-HRTimeline
Norinchukin Bank, Thein group Norinchukin Bank, The16,707$675K0.01%+2,12413F-HRTimelineGroup
Atria Wealth Solutions, Inc.16,695$675K0.01%+63013F-HRTimeline
BNP PARIBASin group BNP PARIBAS16,542$669K0.03%-9,87313F-HRTimelineGroup
Allspring Global Investments Holdings, …in group Allspring Global Investments …16,344$668K<0.01%+40613F-HRTimelineGroup
PARADIGM ASSET MANAGEMENT CO LLC16,500$667K0.18%013F-HRTimeline
MML INVESTORS SERVICES, LLC16,424$664K<0.01%+4,01213F-HRTimeline
Knollwood Investment Advisory, LLC16,400$663K0.07%-2,10013F-HRTimeline
GARDA CAPITAL PARTNERS LP16,360$661K0.37%new13F-HRTimeline
GUGGENHEIM CAPITAL LLCin group GUGGENHEIM CAPITAL LLC16,156$653K0.01%+1,82613F-HRTimelineGroup
Maryland State Retirement & Pension Sys…16,149$653K0.02%-1,91013F-HRTimeline
Caprock Group, LLC16,144$653K0.02%+8,57513F-HRTimeline
NEW MEXICO EDUCATIONAL RETIREMENT BOARD16,114$651K0.02%+50013F-HRTimeline
BLUEFIN CAPITAL MANAGEMENT, LLC16,060$649K0.52%13F-HRTimeline
Systematic Alpha Investments, LLC16,000$647K0.02%013F-HRTimeline
Integrated Wealth Concepts LLC15,839$640K0.01%+11,34813F-HRTimeline
COMMERCE BANKin group COMMERCE BANK15,796$639K<0.01%013F-HRTimelineGroup
CWM, LLCin group CWM, LLC15,752$637K<0.01%-1,08013F-HRTimelineGroup
PEAK6 LLCin group PEAK6 LLC15,576$630K0.02%+12,87913F-HRTimelineGroup
FIFTH THIRD BANCORPin group FIFTH THIRD BANK, NATIONAL AS…14,998$606K<0.01%+1,72913F-HRTimelineGroup
Dynamic Technology Lab Private Ltd14,992$606K0.09%new13F-HRTimeline
HighTower Advisors, LLC14,973$605K<0.01%-2,67813F-HRTimeline
CAPTRUST FINANCIAL ADVISORS14,920$603K<0.01%+3,24613F-HRTimeline
Pekin Hardy Strauss, Inc.14,536$588K0.07%+1,29813F-HRTimeline
CAPSTONE INVESTMENT ADVISORS, LLCin group CAPSTONE INVESTMENT ADVISORS,…14,427$583K0.01%+12,38813F-HRTimelineGroup
MAVERICK CAPITAL LTD14,383$582K0.01%-454,01113F-HRTimeline
Vontobel Holding Ltd.in group Vontobel Holding Ltd.14,198$574K<0.01%+2,39413F-HRTimelineGroup
TUDOR INVESTMENT CORP ET AL14,165$573K0.01%new13F-HRTimeline
WOLVERINE ASSET MANAGEMENT LLCin group WOLVERINE ASSET MANAGEMENT LLC14,139$572K0.01%013F-HRTimelineGroup
Pathstone Holdings, LLCin group Pathstone Holdings, LLC13,916$564K<0.01%-1,90013F-HRTimelineGroup
CW Advisors, LLC13,931$563K0.01%new13F-HRTimeline
Ancora Advisors LLCin group Ancora Advisors LLC13,810$558K0.01%+13,78013F-HRTimelineGroup
ARGONAUTICA PRIVATE WEALTH MANAGEMENT, …13,640$551K0.19%+4,51713F-HRTimeline
Prospera Financial Services Inc13,555$548K0.01%new13F-HRTimeline
TRUIST FINANCIAL CORPin group TRUIST FINANCIAL CORP13,471$545K<0.01%+1,62613F-HRTimelineGroup
M&T Bank Corpin group M&T Bank Corp13,336$540K<0.01%-2,14313F-HRTimelineGroup
Scientech Research LLC13,265$536K0.14%new13F-HRTimeline
INCEPTIONR LLC12,992$525K0.16%new13F-HRTimeline
NewEdge Wealth, LLC12,738$515K0.01%-19,72613F-HRTimeline
Wealthfront Advisers LLC12,564$508K<0.01%-89113F-HRTimeline
TOKIO MARINE ASSET MANAGEMENT CO LTDin group TOKIO MARINE HOLDINGS, INC.12,560$508K0.02%+1,58813F-HRTimelineGroup
Sphera Management Technology Funds Ltdin group SPHERA FUNDS MANAGEMENT LTD.12,000$485K0.39%013F-HRTimelineGroup
OMERS ADMINISTRATION Corp11,695$473K<0.01%-1,90913F-HRTimeline
BLB&B Advisors, LLC11,690$473K0.02%+12513F-HRTimeline
OSTRUM ASSET MANAGEMENT11,479$464K0.02%-30513F-HRTimeline
SHERBROOKE PARK ADVISERS LLC11,422$462K0.22%new13F-HRTimeline
Empirical Finance, LLC11,167$451K0.03%+40313F-HRTimeline
INTECH INVESTMENT MANAGEMENT LLC11,141$450K<0.01%013F-HRTimeline
V-Square Quantitative Management LLC10,734$434K0.06%+1,67313F-HRTimeline
Penserra Capital Management LLCin group Penserra Capital Management L…10,486$423K0.01%-3,03513F-HRTimelineGroup
Supplemental Annuity Collective Trust o…10,400$420K0.13%013F-HRTimeline
Alaska Permanent Fund Corp9,504$417K0.01%013F-HRTimeline
Venturi Wealth Management, LLC10,159$411K0.02%+1,74613F-HRTimeline
Investment Management Corp of Ontario9,771$395K0.01%new13F-HRTimeline
Daiichi Life Insurance Co., Ltd.in group Daiichi Life Insurance Co., L…9,627$389K0.01%new13F-HRTimelineGroup
VAN ECK ASSOCIATES CORPin group VAN ECK ASSOCIATES CORP9,597$388K<0.01%+71413F-HRTimelineGroup
OPPENHEIMER ASSET MANAGEMENT INC.group of 2 filers holding9,558$386K-3,542Timeline
BANK OF NOVA SCOTIAin group BANK OF NOVA SCOTIA9,248$374K<0.01%-22,03713F-HR/ATimelineGroup
Central Asset Investments & Management …9,140$370K0.62%+4,14013F-HRTimeline
Wahed Invest LLC9,076$367K0.06%+64713F-HRTimeline
Cheviot Value Management, LLC7,884$355K0.04%new13F-HRTimeline
CAXTON ASSOCIATES LLP8,754$354K0.01%13F-HRTimeline
PEAPACK GLADSTONE FINANCIAL CORP8,717$352K0.01%-1,80813F-HRTimeline
BI Asset Management Fondsmaeglerselskab…in group BI Asset Management Fondsmaeg…8,386$339K<0.01%-21,48313F-HRTimelineGroup
BRIGHTON JONES LLC8,374$339K0.01%-1,39713F-HRTimeline
HB Wealth Management, LLC8,336$337K<0.01%+94813F-HRTimeline
MIG Capital, LLC8,321$336K0.04%new13F-HRTimeline
Beta Wealth Group, Inc.8,200$332K0.12%-10013F-HRTimeline
BluePointe Capital Management, LLC8,063$326K0.12%-57,24913F-HRTimeline
UNITED SERVICES AUTOMOBILE ASSOCIATIONin group UNITED SERVICES AUTOMOBILE AS…7,786$316K0.01%new13F-HRTimelineGroup
Savant Capital, LLCin group Savant Capital, LLC7,822$316K<0.01%-4,44913F-HR/ATimelineGroup