13F

Stock

Western Digital Corp

WDC · held by 1,468 managers

Reported value

$96.3B

Holders

1,468

+340 new · −111 exited

Holders’ est. mark

$22.7B

Price effect on 223 books still in the name

Largest holder

$9.86B

BlackRock, Inc.

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
BlackRock, Inc.62.3M$9.86B$2.65BAdded$3.65B
Fidelity51.5M$8.7B$3.53BAdded$2.76B
VANGUARD CAPITAL MANAGEMENT LLC22M$5.96BHeld
VANGUARD PORTFOLIO MANAGEMENT LLC17.2M$4.65BHeld
State Street49.6M$4.43B$1.57BAdded$1.57B
JPMORGAN CHASE & CO19.3M$4.42B$808.3MAdded$1.96B
Capital World Investors12.4M$3.22B$214MAdded$3.03B
GEODE CAPITAL MANAGEMENT, LLC9.48M$2.56B$910.5MAdded$963.1M
BANK OF AMERICA CORP /DE/8.49M$2.3B$834.4MAdded$221.4M
MORGAN STANLEY8M$2.15B$947.3MAdded$600.7M
D. E. Shaw & Co., Inc.155.3M$1.82B$180.3MAdded$128.9M
WCM INVESTMENT MANAGEMENT, LLC6.56M$1.65B$496.1MAdded$473.4M
AMERIPRISE FINANCIAL INC12.8M$1.61B$201.6MAdded$118.1M
MILLENNIUM MANAGEMENT LLC205.8M$1.55B$533.6MAdded$574.4M
Invesco Ltd.7.03M$1.51B$543.9MAdded$560.1M
WHITEBOX ADVISORS LLC204.4M$1.46B$526.2MAdded$526.2M
GOLDMAN SACHS GROUP INC5.41M$1.46B$447.9MAdded$677M
UBS Group AG4.3M$1.13B$391.2MAdded$348.2M
VOYA INVESTMENT MANAGEMENT LLC126.3M$1.12B$483.5MAdded$432.3M
NORTHERN TRUST CORP3.61M$975.5M$354.2MAdded$343M
Icahn Capital3.46M$913M$272.4MAdded$400.9M
Capital Research Global Investors3.31M$895.1MNew
Nuveen, LLC7.41M$832.3M$262.9MAdded$18.5M
Amundi5.46M$827.4M−$1.05BCut−$1.24B
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC2.9M$785.2M$275.9MAdded$301.2M
Citadel97.5M$768.6M$82.1MAdded$124.7M
FRED ALGER MANAGEMENT, LLC2.66M$719.5M$261.2MAdded$257M
Bank of New York Mellon Corp3M$682.1M$237MAdded$322.5M
DIMENSIONAL FUND ADVISORS LP2.5M$676.8M$245.4MAdded$62.4M
TWO SIGMA INVESTMENTS, LP89.2M$639.2M$110.3MAdded$298.9M
BANK OF MONTREAL /CAN/32.8M$605.1M$243.1MAdded$294.4M
CHARLES SCHWAB INVESTMENT MANAGEMENT INC2.21M$597M$216.8MAdded$206.5M
CAPSTONE INVESTMENT ADVISORS, LLC80.5M$578.7M$153MAdded$307.6M
Legal & General Group Plc2.13M$575.9M$199.7MAdded$225.6M
VANGUARD FIDUCIARY TRUST CO1.91M$516.2MHeld
DEUTSCHE BANK AG\1.87M$506.6M$183.9MAdded$122.1M
Sculptor Capital LP70M$502.1M$180.9MAdded$41.2M
BNP PARIBAS FINANCIAL MARKETS17.3M$436.7M$208.9MAdded$77.4M
HSBC HOLDINGS PLC1.55M$417M$124MAdded$198.9M
Calamos Advisors LLC55.7M$412.4M$156.9MAdded$61.8M
Aequim Alternative Investments LP55.5M$397.5M$73.4MAdded$266.8M
National Pension Service1.44M$389M$141.2MAdded$97.5M
Maple Rock Capital Partners Inc.1.4M$378.8M$137.6MCut−$31.5M
AMF Tjanstepension AB1.37M$371.6M$134.9MAdded$67.1M
Value Aligned Research Advisors, LLC1.3M$350.4MNew
ROYAL BANK OF CANADA1.43M$344.9M$116.6MAdded$2.59M
BANK OF NOVA SCOTIA30.7M$315.7M−$28.4MCut−$3.33M
Soroban Capital Partners LP1.15M$310.1M$172.4MAdded$172.4M
Renaissance Technologies1.15M$310M$97.5MAdded$139M
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND32.3M$308.5M$25.7MAdded$237.3M
BARCLAYS PLC1.05M$284M$173.4MAdded$16.4M
WELLS FARGO & COMPANY/MN1.67M$281.8M$150.5MAdded$127.6M
Swiss National Bank1M$271.4M$93.4MAdded$107.6M
Robeco Institutional Asset Management B.V.984.7K$266.3M$96.7MAdded$29.2M
Polar Capital Holdings Plc972.4K$263M$89.7MAdded$105.7M
MARSHALL WACE, LLP931.3K$251.9M$15.9MAdded$224M
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main4.48M$250M−$48.4MAdded$178.4M
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.1.61M$246.3M$94.4MAdded$65.6M
Castle Hook Partners LP878.9K$237.7M$86.3MAdded$9.37M
Sumitomo Mitsui Trust Group, Inc.836.7K$226.3M$82.2MAdded$73.5M
WT Asset Management Ltd816.7K$220.9M$40.4MAdded$150M
Mitsubishi UFJ Asset Management Co., Ltd.797K$215.6M$62.2MAdded$74.6M
Holocene Advisors, LP761.9K$206.1M$74.8MAdded$45M
Vanguard Global Advisers, LLC745.2K$201.6MHeld
Universal- Beteiligungs- und Servicegesellschaft mbH9.64M$193.6M−$29MAdded$118.5M
Anther Capital Ltd712.4K$192.7MHeld
ENVESTNET ASSET MANAGEMENT INC701.4K$189.7M$58.3MAdded$87.5M
Boussard & Gavaudan Investment Management LLP27.4K$186.1M$57.3MAdded$47.7M
PRINCIPAL FINANCIAL GROUP INC676K$182.9M$66.4MAdded$11.8M
California Public Employees Retirement System671.7K$181.7M$66MAdded$44.1M
Alberta Investment Management Corp25M$179.3M$64.6MCut−$27.2M
Point72 Asset Management, L.P.623.9K$168.8M$17.6MAdded$138M
PRUDENTIAL FINANCIAL INC616.6K$166.8M$60.6MCut−$8.77M
Balyasny Asset Management L.P.616.6K$166.8M$22.6MAdded$127.2M
CITIGROUP INC2.01M$165.2M−$1.88MCut−$76.1M
RHUMBLINE ADVISERS594.4K$160.8M$58.4MAdded$51.4M
VANGUARD ASSET MANAGEMENT, Ltd588.4K$159.2MHeld
Jericho Capital Asset Management L.P.581.6K$157.3MNew
PRIMECAP MANAGEMENT CO/CA/577.2K$156.1M$56.7MAdded$26.3M
SUSQUEHANNA INTERNATIONAL GROUP, LLP568.8K$153.9M$23MAdded$113.6M
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM524.4K$141.9M$51.5MAdded$48M
VICTORY CAPITAL MANAGEMENT INC1.5M$141.6M−$45.6MAdded$40.4M
NOMURA ASSET MANAGEMENT CO LTD509.3K$137.8M$50MCut−$55.6M
ProShare Advisors LLC501.3K$135.6M$49.2MAdded$29.1M
SEI INVESTMENTS CO615.2K$134.8M$47.8MAdded$53.1M
ALLIANCEBERNSTEIN L.P.763.1K$131.5M$1Cut−$149.2M
NEUBERGER BERMAN GROUP LLC456.2K$123.4M$41.8MAdded$50.1M
BNP PARIBAS ASSET MANAGEMENT Holding S.A.2.77M$118.1M$8.7MAdded$118M
NATIONAL BANK OF CANADA /FI/434.7K$117.6M$26.9MAdded$70.5M
ValueAct412K$111.4MNew
MACKAY SHIELDS LLC15.5M$110.8M$39.9MAdded$24.2M
Russell Investments Group, Ltd.781.7K$110.2M−$3.95MAdded$51M
Employees Provident Fund Board405.2K$109.6MNew
LPL Financial LLC396.9K$107.4M$32.7MAdded$50M
PARNASSUS INVESTMENTS, LLC396.8K$107.3M$39MAdded$17.1M
FIRST TRUST ADVISORS LP369.9K$100.1M$36.3MCut−$7.99M
Gotham Asset Management, LLC367.8K$99.5M$36.1MAdded$12.2M
NORDEA INVESTMENT MANAGEMENT AB380.4K$99M$8.47MAdded$82M
Korea Investment CORP365.4K$98.8M$35.9MAdded$35M
MACKENZIE FINANCIAL CORP362.6K$98.1M$34.4MAdded$9.63M
Caisse de depot et placement du Quebec358.4K$97M$35.2MCut−$5.26M
STOREBRAND ASSET MANAGEMENT AS357K$96.6M$35.1MAdded$28.5M
Quadrature Capital Ltd354.9K$96MNew
FRANKLIN RESOURCES INC2.7M$93.7M$513.5KAdded$24.7M
Trivest Advisors Ltd345K$93.3M$33.9MCut−$57.4M
Quantinno Capital Management LP338.6K$91.6M$33.3MAdded$27.3M
CANADA PENSION PLAN INVESTMENT BOARD334K$90.3M$32.8MAdded$24.5M
BAHL & GAYNOR INC325.3K$88M$32MAdded$23.4M
DANSKE BANK A/S323.9K$87.6M$31.8MAdded$29M
PFA Pension, Forsikringsaktieselskab318.7K$86.2M$26.4MAdded$36.9M
Amanah Holdings Trust315K$85.2M$30.9MAdded$30.9M
RAYMOND JAMES FINANCIAL INC310.1K$83.9M$30.4MAdded$25.8M
AVIVA PLC308K$83.3M$30MAdded$30.7M
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM301K$81.4M$29.6MAdded$29.1M
ADAGE CAPITAL PARTNERS GP, L.L.C.293.7K$79.5M$25.4MAdded$34.9M
IEQ CAPITAL, LLC276.1K$74.7M$24MAdded$32.5M
Connor, Clark & Lunn Investment Management Ltd.275.5K$74.5M$22.6MAdded$34.8M
XN LP275.5K$74.5MNew
SCHRODER INVESTMENT MANAGEMENT GROUP265.1K$71.7M$26MAdded$22.6M
Aberdeen Group plc262.3K$71M$25.8MAdded$24M
TEACHER RETIREMENT SYSTEM OF TEXAS258.6K$69.9M$25.4MAdded$6.66M
Squarepoint Ops LLC258.1K$69.8M$25.4MCut−$20.2M
Bridgewater249K$67.4M$7.11MAdded$54.9M
MANUFACTURERS LIFE INSURANCE COMPANY, THE2.73M$66.9M$42.2MAdded$503.7K
Clear Street Group Inc.240.8K$65.1MNew
ASSETMARK, INC239K$64.7M$23.5MAdded$18.2M
NEOS Investment Management LLC233.3K$63.1M$13MAdded$40.3M
Mirae Asset Global Investments Co., Ltd.228K$61.7M$18.1MAdded$29.9M
AustralianSuper Pty Ltd224.7K$60.8M$22.1MAdded$196.8K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.222.3K$60.1M$21.8MAdded$21.3M
STATE OF WISCONSIN INVESTMENT BOARD222.1K$60.1M$21.8MAdded$21M
ROYAL LONDON ASSET MANAGEMENT LTD219.5K$59.4M$16.9MAdded$29.8M
JONES FINANCIAL COMPANIES LLLP212.5K$58.5M$1.5MAdded$56M
Pictet Asset Management Holding SA215.7K$58.3M$21.1MCut−$723.6K
O'SHAUGHNESSY ASSET MANAGEMENT, LLC211.9K$57.3M$16.2MAdded$28.9M
CAPITOLIS LIQUID GLOBAL MARKETS LLC211.2K$57.1MHeld
HAWK RIDGE CAPITAL MANAGEMENT LP209.4K$56.6M$20.6MAdded$532.3K
BRAUN STACEY ASSOCIATES INC207.5K$56.1M$20.4MAdded$14.2M
SSI INVESTMENT MANAGEMENT LLC7.83M$56M$20.1MAdded$10.8M
Walleye Trading LLC206.5K$55.9M$8.99MAdded$40.1M
GENDELL JEFFREY L200K$54.1M$19.6MAdded$17.9M
Rokos Capital Management LLP198.5K$53.7MNew
AMERICAN CENTURY COMPANIES INC198.2K$53.6M$14MAdded$29.1M
Swedbank AB195.5K$52.9M$19.2MAdded$14.2M
ARS Investment Partners, LLC191.9K$51.9M$18.8MAdded$7.25M
SAMLYN CAPITAL, LLC189.3K$51.2MNew
Avala Global LP189.1K$51.1M$18.6MAdded$18.6M
NEW YORK STATE COMMON RETIREMENT FUND188.9K$51.1M$17.4MAdded$20.5M
MASSACHUSETTS FINANCIAL SERVICES CO /MA/185.5K$50.2M$1.37MAdded$47.8M
WORLDQUANT MILLENNIUM ADVISORS LLC184.9K$50M$18.2MCut−$60.6M
Empowered Funds, LLC184.3K$49.8MNew
Mariner, LLC180.5K$48.8M$13.2MAdded$25.5M
Ensign Peak Advisors, Inc177.9K$48.1M$8.9MAdded$32.5M
1832 Asset Management L.P.175K$47.3M$1.79MAdded$44.2M
Talos Eurisko Asset Management LP173.8K$47M$17.1MAdded$11.4M
ING GROEP NV173.5K$46.9M$17MAdded$6.48M
TD Asset Management Inc173.2K$46.9M$13.8MAdded$22.6M
Cerity Partners LLC173K$46.8M$17MAdded$15.7M
KLP KAPITALFORVALTNING AS172.7K$46.7M$16.5MAdded$17.7M
Vanguard Investments Australia, Ltd.170.7K$46.2MHeld
Chevy Chase Trust Holdings, LLC167.3K$45.3M$16.4MAdded$15.4M
STIFEL FINANCIAL CORP166.7K$45.1M$15.8MAdded$17.4M
CIBC Bancorp USA Inc.163.5K$44.2MHeld
APG Asset Management N.V.181.6K$42.6M$16MAdded$13.4M
Alyeska Investment Group, L.P.155.3K$42M$15.3MAdded$11.5M
LGT Group Foundation154.5K$41.8M$14.6MAdded$12.9M
Mitsubishi UFJ Trust & Banking Corp153.8K$41.6M$13.8MAdded$17.4M
Crossmark Global Holdings, Inc.152.7K$41.3M$14.9MAdded$15.2M
Asset Management One Co., Ltd.148.3K$40.1M$13.5MAdded$12.7M
Tredje AP-fonden148.2K$40.1M$14.6MCut−$1.76M
TORONTO DOMINION BANK146.4K$39.6M$14.4MAdded$9.25M
ADVENT CAPITAL MANAGEMENT /DE/5.5M$39.5M$8.69MAdded$24M
JUPITER ASSET MANAGEMENT LTD142.8K$38.6M$6.5MAdded$27.2M
CIBC Asset Management Inc141.3K$38.2M$13.9MAdded$13.6M
MERCER GLOBAL ADVISORS INC /ADV141.2K$38.2M$13.9MAdded$13.6M
Ceredex Value Advisors LLC140.7K$38M$13.8MCut−$1.65M
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO140.2K$37.9M$13.8MAdded$11.8M
Atalan Capital Partners, LP134.6K$36.4M$13.2MCut−$85.1M
Migdal Insurance & Financial Holdings Ltd.134K$36.2MNew
Creative Planning131.6K$35.6M$10.5MAdded$17.2M
Candriam S.C.A.131K$35.4M$12.9MAdded$8.5M
JANE STREET GROUP, LLC3.63M$34.9M−$6.08MAdded$28.4M
Spartan Wealth Advisory Services LLC128.1K$34.6MHeld
Alta Park Capital, LP126.6K$34.2M$12.4MCut−$33.5M
Susquehanna Portfolio Strategies, LLC124.7K$33.7M$12.2MAdded$12.2M
Illinois Municipal Retirement Fund124.2K$33.6M$12.2MAdded$9.55M
CWM, LLC120.9K$32.7M$27.7MAdded$32.7M
Rafferty Asset Management, LLC120.2K$32.5M$11.8MAdded$1.9M
State of Tennessee, Department of Treasury120.1K$32.5M$2.43MAdded$1.92M
STRS OHIO119.4K$32.3M$11.7MAdded$6.15M
DEPRINCE RACE & ZOLLO INC118.2K$32M$11.6MAdded$848.2K
Focus Partners Wealth117.1K$32M$4.64MAdded$24M
State of New Jersey Common Pension Fund D117.5K$31.8M$11.5MAdded$11.2M
Rivermont Capital Management LP115.7K$31.3M$11.4MAdded$4.7M
Schonfeld Strategic Advisors LLC113.7K$30.8M$11.2MCut−$5.23M
Cetera Investment Advisers112.4K$30.4M$9.29MAdded$14.1M
Eurizon Capital SGR S.p.A.110.2K$29.7MNew
Apis Capital Advisors, LLC109.6K$29.6M$10.8MCut−$1.35M
Resona Asset Management Co.,Ltd.107.8K$28.8M$10MAdded$10.1M
Allianz Asset Management GmbH106.2K$28.7M$10.4MAdded$6.8M
GATEWAY INVESTMENT ADVISERS LLC106.2K$28.7M$4.59MAdded$20.7M
FIL Ltd103.7K$28.1M$7.55MAdded$14.8M
STATE OF MICHIGAN RETIREMENT SYSTEM102.7K$27.8M$10.1MAdded$9.91M
LOOMIS SAYLES & CO L P101.9K$27.6M$10MCut−$6.8M
NISA INVESTMENT ADVISORS, LLC101.4K$27.4M$9.96MAdded$9.95M
CAPITAL FUND MANAGEMENT S.A.100.6K$27.2M$9.88MCut−$11.9M
Zurcher Kantonalbank (Zurich Cantonalbank)97.5K$26.4M$8.84MAdded$10.9M
NISSAY ASSET MANAGEMENT CORP /JAPAN97.1K$26.3M$9.35MAdded$9.87M
Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A.96.9K$26.2M$9.52MCut−$12.9M
PANAGORA ASSET MANAGEMENT INC96.7K$26.2M$3.78MAdded$19.5M
SEB Asset Management AB95.5K$25.8MHeld
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC94.4K$25.6M$3.59MAdded$8.89M
LAZARD ASSET MANAGEMENT LLC44.3M$25.5M−$24.7MCut−$21.3M
US BANCORP \DE\93.8K$25.4M$9.22MAdded$9.17M
ARIZONA STATE RETIREMENT SYSTEM93.7K$25.3M$9.2MAdded$8.87M
Czech National Bank92.3K$25M$8.85MAdded$9.45M
Tidal Investments LLC90.8K$24.6M$5.21MAdded$15.4M
Daiwa Securities Group Inc.90.6K$24.5M$23.4MAdded$24.5M
UNICOM Systems, Inc.90.5K$24.5MNew
Swiss Life Asset Management Ltd90K$24.3M$8.84MAdded$2.54M
GUGGENHEIM CAPITAL LLC89.5K$24.2M$8.79MAdded$5.52M
FJARDE AP-FONDEN /FOURTH SWEDISH NATIONAL PENSION FUND89.4K$24.2M$5.35MAdded$14.8M
BANCO BILBAO VIZCAYA ARGENTARIA, S.A.88.5K$23.8M$7.85MAdded$9.81M
Sumitomo Mitsui DS Asset Management Company, Ltd87.3K$23.6M$8.57MAdded$6.95M
MML INVESTORS SERVICES, LLC99.3K$23.2M$7.98MAdded$9.63M
Temasek Holdings (Private) Ltd83.1K$22.5MNew
Andra AP-fonden81.7K$22.1M$8.03MCut−$22.8M
Man Group plc81.6K$22.1M$8.02MCut−$8.66M
Pacer Advisors, Inc.80.9K$21.9M$14.1MAdded$5.65M
LBP AM SA80.1K$21.7M$524KAdded$20.7M
MetLife Investment Management, LLC79.2K$21.4M$7.78MAdded$7.32M
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS79K$21.4M$7.76MAdded$7.66M
Mediolanum International Funds Ltd83.1K$20.9M$6.28MAdded$4.18M
Varma Mutual Pension Insurance Co76.1K$20.6M$7.47MAdded$7.47M
IMC-Chicago, LLC75.5K$20.4MNew
Park West Asset Management LLC75K$20.3M$7.37MAdded$1.08M
DNB Asset Management AS73.7K$19.9M$6.53MAdded$8.49M
Central Asset Investments & Management Holdings (HK) Ltd73.6K$19.9M$7.23MCut−$3.14M
IFM Investors Pty Ltd72.8K$19.7M$19.7MAdded$19.7M
FIFTH THIRD BANCORP72.7K$19.7M$2MAdded$16.2M
Retirement Systems of Alabama72K$19.5M$7.07MAdded$6.94M
PUBLIC SECTOR PENSION INVESTMENT BOARD70.3K$19M$4.92MAdded$10.4M
B. Metzler seel. Sohn & Co. AG70.1K$19M$3.23MAdded$13.3M
GF FUND MANAGEMENT CO. LTD.70.1K$19M$5.89MAdded$8.63M
PNC Financial Services Group, Inc.69K$18.7M$5.95MAdded$8.21M
LGT Fund Management Co Ltd.68.9K$18.6M$1.53MAdded$15.8M
OSAIC HOLDINGS, INC.68.6K$18.5M$6.73MAdded$3.62M
Parallax Volatility Advisers, L.P.68.5K$18.5M$6.72MAdded$1.77M
Engineers Gate Manager LP68.1K$18.4M$6.69MAdded$2.5M
OFI INVEST ASSET MANAGEMENT75.5K$17.8M$6.75MCut−$2.37M

Who left

Positions as of Q1 2026. 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.