13F

Stock

Western Digital Corp

WDC · held by 1,234 managers

Reported value

$64.5B

Holders

1,234

+22 new · −6 exited

Holders’ est. mark

$2.18B

Price effect on 8 books still in the name

Largest holder

$7.3B

Vanguard

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
Vanguard42.3M$7.3BHeld
BlackRock, Inc.55.9M$6.21BHeld
Fidelity59.2M$5.94BHeld
State Street49.7M$2.86BHeld
JPMORGAN CHASE & CO14.3M$2.46BHeld
BANK OF AMERICA CORP /DE/12M$2.07B$628.3MCut−$609.7M
Amundi6M$2.06BHeld
D. E. Shaw & Co., Inc.160.1M$1.69BHeld
GEODE CAPITAL MANAGEMENT, LLC9.28M$1.59BHeld
MORGAN STANLEY10.3M$1.55B$618.8MAdded$529M
AMERIPRISE FINANCIAL INC13.5M$1.49BHeld
WCM INVESTMENT MANAGEMENT, LLC6.69M$1.18BHeld
MILLENNIUM MANAGEMENT LLC200.4M$972.8MHeld
Invesco Ltd.6.96M$946.7MHeld
WHITEBOX ADVISORS LLC204.4M$936.9MHeld
Nuveen, LLC10.6M$813.8MHeld
NORGES BANK4.58M$788.7M$603.6MAdded$585.2M
GOLDMAN SACHS GROUP INC4.56M$785.5MHeld
UBS Group AG4.55M$784MHeld
VOYA INVESTMENT MANAGEMENT LLC136.5M$687.8MHeld
Citadel92.1M$643.9MHeld
NORTHERN TRUST CORP3.67M$632.6MHeld
DIMENSIONAL FUND ADVISORS LP3.57M$614.3MHeld
Icahn Capital2.97M$512.1MHeld
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC2.81M$484MHeld
FRED ALGER MANAGEMENT, LLC2.68M$462.4MHeld
Sculptor Capital LP100.4M$460.9MNew
Maple Rock Capital Partners Inc.2.38M$410.3MHeld
CHARLES SCHWAB INVESTMENT MANAGEMENT INC2.27M$390.5MHeld
DEUTSCHE BANK AG\2.23M$384.4MHeld
Bank of New York Mellon Corp2.62M$359.6MHeld
BNP PARIBAS FINANCIAL MARKETS27.2M$359.3MHeld
Calamos Advisors LLC76.4M$350.6MHeld
Legal & General Group Plc2.03M$350.3MHeld
ROYAL BANK OF CANADA2.14M$342.3MHeld
TWO SIGMA INVESTMENTS, LP62.9M$340.3MHeld
BANK OF NOVA SCOTIA28.3M$319.1MHeld
BANK OF MONTREAL /CAN/30M$310.7MHeld
AMF Tjanstepension AB1.77M$304.6MHeld
National Pension Service1.69M$291.4MHeld
ALLIANCEBERNSTEIN L.P.1.63M$280.6MHeld
CAPSTONE INVESTMENT ADVISORS, LLC59M$271.1MHeld
BARCLAYS PLC2.54M$267.6M$208.9MAdded$101M
CITIGROUP INC2.91M$241.3MHeld
Robeco Institutional Asset Management B.V.1.38M$237.2MHeld
Castle Hook Partners LP1.33M$228.4MHeld
HSBC HOLDINGS PLC1.27M$218.1MHeld
Alberta Investment Management Corp45M$206.5M$62.4MAdded$62.4M
NOMURA ASSET MANAGEMENT CO LTD1.12M$193.3MHeld
Capital World Investors1.54M$185.4MHeld
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.1.92M$180.7MHeld
PRUDENTIAL FINANCIAL INC1.02M$175.6MHeld
PRINCIPAL FINANCIAL GROUP INC992.7K$171MHeld
Renaissance Technologies992.5K$171MHeld
Swiss National Bank950.8K$163.8MHeld
Holocene Advisors, LP935K$161.1MHeld
Polar Capital Holdings Plc913.2K$157.3MHeld
WELLS FARGO & COMPANY/MN1.97M$154.2MHeld
Sumitomo Mitsui Trust Group, Inc.887.1K$152.8MHeld
Trivest Advisors Ltd875K$150.7MHeld
Mitsubishi UFJ Asset Management Co., Ltd.751.2K$141MHeld
Boussard & Gavaudan Investment Management LLP29.5K$138.4MHeld
Soroban Capital Partners LP1.15M$137.6MHeld
California Public Employees Retirement System798.8K$137.6MHeld
Aequim Alternative Investments LP28.5M$130.7MHeld
PRIMECAP MANAGEMENT CO/CA/753.5K$129.8MHeld
Atalan Capital Partners, LP705.4K$121.5MHeld
Linden Advisors LP25.9M$118.7MHeld
WORLDQUANT MILLENNIUM ADVISORS LLC641.9K$110.6MHeld
RHUMBLINE ADVISERS635K$109.4MHeld
FIRST TRUST ADVISORS LP627.2K$108MHeld
ProShare Advisors LLC618.1K$106.5MHeld
Caisse de depot et placement du Quebec593.3K$102.2MHeld
ENVESTNET ASSET MANAGEMENT INC593.3K$102.2MHeld
Wolf Hill Capital Management, LP590.4K$101.7MHeld
VICTORY CAPITAL MANAGEMENT INC587.5K$101.2MHeld
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM544.5K$93.8MHeld
PARNASSUS INVESTMENTS, LLC523.5K$90.2MHeld
Squarepoint Ops LLC522.3K$90MHeld
MACKENZIE FINANCIAL CORP503.3K$88.4MHeld
Gotham Asset Management, LLC506.8K$87.3MHeld
MACKAY SHIELDS LLC18.9M$86.6MHeld
SEI INVESTMENTS CO591.2K$81.7MHeld
Universal- Beteiligungs- und Servicegesellschaft mbH2.29M$75.1MHeld
NEUBERGER BERMAN GROUP LLC425.8K$73.4MHeld
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main415.6K$71.6M$21MAdded$57.8M
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND10.1M$71.2MHeld
WT Asset Management Ltd411.5K$70.9MHeld
FRANKLIN RESOURCES INC2M$69MHeld
STOREBRAND ASSET MANAGEMENT AS394.8K$68MHeld
Alta Park Capital, LP393.5K$67.8MHeld
MANUFACTURERS LIFE INSURANCE COMPANY, THE7.35M$66.4MHeld
CANADA PENSION PLAN INVESTMENT BOARD382.2K$65.8MHeld
BAHL & GAYNOR INC375K$64.6MHeld
Quantinno Capital Management LP373.2K$64.3MHeld
Korea Investment CORP370.5K$63.8MHeld
TEACHER RETIREMENT SYSTEM OF TEXAS367.3K$63.3MHeld
AustralianSuper Pty Ltd351.7K$60.6MHeld
Russell Investments Group, Ltd.391.7K$59.2MHeld
Pictet Asset Management Holding SA342.5K$59MHeld
SIMPLEX TRADING, LLC341.8K$58.9MHeld
NOMURA HOLDINGS INC341.5K$58.8MHeld
DANSKE BANK A/S340.5K$58.7M$29.9MAdded$41M
RAYMOND JAMES FINANCIAL INC336.8K$58MHeld
LPL Financial LLC333.2K$57.4MHeld
HAWK RIDGE CAPITAL MANAGEMENT LP325.7K$56.1MHeld
Slate Path Capital LP321.3K$55.3MHeld
Amanah Holdings Trust315K$54.3MHeld
AVIVA PLC305.3K$52.6MHeld
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM303.7K$52.3MHeld
VIRGINIA RETIREMENT SYSTEMS ET Al296.7K$51.1MHeld
PFA Pension, Forsikringsaktieselskab280.1K$49.3MHeld
SCHRODER INVESTMENT MANAGEMENT GROUP285.2K$49.1MHeld
NATIONAL BANK OF CANADA /FI/273.5K$47.1MHeld
Aberdeen Group plc272.5K$46.9MHeld
LAZARD ASSET MANAGEMENT LLC38.4M$46.8MHeld
ASSETMARK, INC269.9K$46.5MHeld
SSI INVESTMENT MANAGEMENT LLC9.87M$45.2MHeld
Andra AP-fonden260.4K$44.9MHeld
ARS Investment Partners, LLC259.2K$44.7MHeld
ADAGE CAPITAL PARTNERS GP, L.L.C.258.6K$44.6MHeld
IEQ CAPITAL, LLC244.8K$42.2MHeld
BRAUN STACEY ASSOCIATES INC243.4K$41.9MHeld
Tredje AP-fonden242.9K$41.8MHeld
LMR Partners LLP235.7K$40.6MHeld
ING GROEP NV234.7K$40.4MHeld
SUSQUEHANNA INTERNATIONAL GROUP, LLP233.9K$40.3MHeld
Connor, Clark & Lunn Investment Management Ltd.230.5K$39.7MHeld
Ceredex Value Advisors LLC230.4K$39.7MHeld
Balyasny Asset Management L.P.229.7K$39.6MHeld
Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A.227.3K$39.2MHeld
CAPITAL FUND MANAGEMENT S.A.227.1K$39.1MHeld
STATE OF WISCONSIN INVESTMENT BOARD227K$39.1MHeld
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.225.5K$38.9MHeld
Swedbank AB224.3K$38.6MHeld
NATIXIS217.9K$37.5MHeld
Verition Fund Management LLC211.9K$36.5MHeld
GENDELL JEFFREY L210.2K$36.2MHeld
Schonfeld Strategic Advisors LLC209K$36MHeld
Talos Eurisko Asset Management LP206.8K$35.6MHeld
Vinva Investment Management Ltd198.7K$35.2MHeld
LOOMIS SAYLES & CO L P199.4K$34.4MHeld
KEYSTONE INVESTORS PTE LTD197.2K$34MHeld
Avala Global LP189.1K$32.6MHeld
Mirae Asset Global Investments Co., Ltd.184.3K$31.7MHeld
DEPRINCE RACE & ZOLLO INC180.7K$31.1MHeld
Cerity Partners LLC180.6K$31.1MHeld
Apis Capital Advisors, LLC179.9K$31MHeld
Point72 Asset Management, L.P.178.8K$30.8MHeld
Man Group plc178.4K$30.7MHeld
Rafferty Asset Management, LLC177.7K$30.6MHeld
NEW YORK STATE COMMON RETIREMENT FUND177.6K$30.6MHeld
State of Tennessee, Department of Treasury122.2K$30.6MHeld
Alyeska Investment Group, L.P.177.3K$30.5MHeld
TORONTO DOMINION BANK176.3K$30.4MHeld
Chevy Chase Trust Holdings, LLC173.4K$29.9MHeld
ROYAL LONDON ASSET MANAGEMENT LTD171.6K$29.6MHeld
APG Asset Management N.V.199.1K$29.2MHeld
FORSTA AP-FONDEN169.3K$29.2MHeld
KLP KAPITALFORVALTNING AS168.3K$29MHeld
LGT Group Foundation163.8K$28.8MHeld
O'SHAUGHNESSY ASSET MANAGEMENT, LLC164.7K$28.4MHeld
MARSHALL WACE, LLP161.9K$27.9MHeld
STIFEL FINANCIAL CORP160.7K$27.7MHeld
Asset Management One Co., Ltd.152.9K$27.4MHeld
Candriam S.C.A.156.3K$26.9MHeld
Rivermont Capital Management LP154.3K$26.6MHeld
Warberg Asset Management LLC5.73M$26.3MHeld
Artemis Investment Management LLP152K$26.2MHeld
STRS OHIO151.8K$26.2MHeld
Crossmark Global Holdings, Inc.151.8K$26.1MHeld
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO151.8K$26.1MHeld
683 Capital Management, LLC143.3K$24.7MHeld
CIBC Asset Management Inc143.3K$24.7MHeld
MERCER GLOBAL ADVISORS INC /ADV142.7K$24.6MHeld
AMERICAN CENTURY COMPANIES INC142.1K$24.5MHeld
TD Asset Management Inc140.5K$24.2MHeld
Mitsubishi UFJ Trust & Banking Corp140.5K$24.2MHeld
Illinois Municipal Retirement Fund139.5K$24MHeld
Arbejdsmarkedets Tillaegspension137.2K$23.6MHeld
Mariner, LLC135.2K$23.3MHeld
Central Asset Investments & Management Holdings (HK) Ltd133.7K$23MHeld
NEOS Investment Management LLC132.3K$22.8MHeld
INTECH INVESTMENT MANAGEMENT LLC129.3K$22.3MHeld
Allianz Asset Management GmbH127.3K$21.9MHeld
Swiss Life Asset Management Ltd126.5K$21.8M$6.56MAdded$6.71M
Skandinaviska Enskilda Banken AB (publ)125.3K$21.6MHeld
Susquehanna Portfolio Strategies, LLC124.7K$21.5MHeld
Maytus Capital Management, LLC123K$21.2MHeld
CloudAlpha Capital Management Limited/Hong Kong121.3K$20.9MHeld
PINEBRIDGE INVESTMENTS LLC120.1K$20.7MHeld
State of New Jersey Common Pension Fund D119.3K$20.6MHeld
OFI INVEST ASSET MANAGEMENT137.6K$20.2MHeld
Park West Asset Management LLC111.5K$19.2MHeld
Woodline Partners LP109.6K$18.9MHeld
Resona Asset Management Co.,Ltd.107.7K$18.7MHeld
GUGGENHEIM CAPITAL LLC108.4K$18.7MHeld
Creative Planning106.9K$18.4MHeld
SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC105.7K$18.2MHeld
STATE OF MICHIGAN RETIREMENT SYSTEM103.7K$17.9MHeld
Caption Management, LLC102.2K$17.6MHeld
NISA INVESTMENT ADVISORS, LLC101.5K$17.5MHeld
Melqart Asset Management (UK) Ltd99.4K$17.1MHeld
NORDEA INVESTMENT MANAGEMENT AB98.1K$17.1MHeld
Parallax Volatility Advisers, L.P.97.2K$16.7MHeld
Mediolanum International Funds Ltd95.1K$16.7MHeld
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC74.9K$16.7MHeld
Sumitomo Mitsui DS Asset Management Company, Ltd96.7K$16.7MHeld
ARIZONA STATE RETIREMENT SYSTEM95.6K$16.5MHeld
NISSAY ASSET MANAGEMENT CORP /JAPAN95.2K$16.4MHeld
Cetera Investment Advisers94.6K$16.3MHeld
Pacer Advisors, Inc.168.8K$16.2MHeld
US BANCORP \DE\94.1K$16.2MHeld
HIGHLAND PEAK CAPITAL, LLC93.5K$16.1MHeld
Engineers Gate Manager LP92.3K$15.9MHeld
Walleye Trading LLC91.5K$15.8MHeld
Ensign Peak Advisors, Inc90.6K$15.6MHeld
Czech National Bank90.2K$15.5MHeld
Zurcher Kantonalbank (Zurich Cantonalbank)90K$15.5MHeld
ADVENT CAPITAL MANAGEMENT /DE/3.36M$15.4MHeld
LOS ANGELES CAPITAL MANAGEMENT LLC111.5K$15.4MHeld
CIBC WORLD MARKETS CORP88.7K$15.3MHeld
Meridiem Capital Partners LP87.5K$15.1MHeld
Sienna Gestion86K$15.1MHeld
OSAIC HOLDINGS, INC.86.6K$14.9MHeld
COMMONWEALTH EQUITY SERVICES, LLC85.7K$14.8MHeld
ROBOTTI ROBERT84.8K$14.6MHeld
ODDO BHF ASSET MANAGEMENT SAS82.7K$14.5MHeld
Zweig-DiMenna Associates LLC83.1K$14.3MHeld
Cavalier Investments, LLC82K$14.1MHeld
MetLife Investment Management, LLC81.9K$14.1MHeld
Belvedere Trading LLC81.7K$14.1MHeld
BANCO BILBAO VIZCAYA ARGENTARIA, S.A.81.2K$14MHeld
PERMIT CAPITAL, LLC80K$13.8MHeld
BOOTHBAY FUND MANAGEMENT, LLC79.8K$13.7MHeld
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS79.5K$13.7MHeld
MML INVESTORS SERVICES, LLC92.3K$13.5MHeld
CHAPIN DAVIS, INC.78.4K$13.5MHeld
FIL Ltd76.9K$13.2MHeld
TWO SIGMA ADVISERS, LP76.2K$13.1MHeld
Varma Mutual Pension Insurance Co76.1K$13.1MHeld
Retirement Systems of Alabama72.7K$12.5MHeld
KNIGHTSBRIDGE ASSET MANAGEMENT, LLC72.4K$12.5MHeld
Bridgewater72.3K$12.5MHeld
Twin Tree Management, LP71K$12.2MHeld
CIBC Private Wealth Group LLC69.3K$11.9MHeld
GROUP ONE TRADING LLC68.8K$11.8MHeld
MIG Capital, LLC67.4K$11.6MHeld
UniSuper Management Pty Ltd66.8K$11.5MHeld
S&T Bank/PA66.6K$11.5MHeld

Who left

Positions as of Q4 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.