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Western Digital Corp

WDC
Exchange
Nasdaq
Industry
Computer Storage Devices
SEC CIK
0000106040

In the last 90 days, Western Digital Corp insiders filed 0 open-market purchases and 9 sales; 1,852 institutions reported holding it in 13F filings for Q2 2026, worth $206.3B in total; Maverick Capital is the only superinvestor holding it.

13F holders, Q3 2025

Institutional positions in Western Digital Corp as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
961
+222 vs. Q2 2025
Shares held
345.9M
−15.6M (−4.3%) vs. Q2 2025
Total value
$41.5B
+$18.4B (+79.4%) vs. Q2 2025
New holders
288
353 more added
Sold out
66
235 more reduced

11 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting WDC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2025: 961 institutions
Q1 2021: 672 institutionsQ2 2021: 686 institutionsQ3 2021: 634 institutionsQ4 2021: 696 institutionsQ1 2022: 649 institutionsQ2 2022: 632 institutionsQ3 2022: 579 institutionsQ4 2022: 529 institutionsQ1 2023: 540 institutionsQ2 2023: 538 institutionsQ3 2023: 543 institutionsQ4 2023: 610 institutionsQ1 2024: 683 institutionsQ2 2024: 759 institutionsQ3 2024: 698 institutionsQ4 2024: 711 institutionsQ1 2025: 662 institutionsQ2 2025: 750 institutionsQ3 2025: 961 institutionsQ4 2025: 1,175 institutionsQ1 2026: 1,422 institutionsQ2 2026: 1,852 institutions
Value heldQ3 2025: $41.5B
Q1 2021: $16.3BQ2 2021: $17.6BQ3 2021: $14.1BQ4 2021: $16.5BQ1 2022: $12.5BQ2 2022: $12.0BQ3 2022: $8.97BQ4 2022: $8.72BQ1 2023: $10.2BQ2 2023: $10.2BQ3 2023: $12.7BQ4 2023: $15.8BQ1 2024: $20.7BQ2 2024: $25.4BQ3 2024: $22.1BQ4 2024: $20.1BQ1 2025: $14.4BQ2 2025: $23.4BQ3 2025: $41.5BQ4 2025: $58.9BQ1 2026: $90.0BQ2 2026: $206.3B
Institutions holding WDC and their total value by quarter
QuarterHoldersValue
Q2 20261,852$206.3B
Q1 20261,422$90.0B
Q4 20251,175$58.9B
Q3 2025961$41.5B
Q2 2025750$23.4B
Q1 2025662$14.4B
Q4 2024711$20.1B
Q3 2024698$22.1B
Q2 2024759$25.4B
Q1 2024683$20.7B
Q4 2023610$15.8B
Q3 2023543$12.7B
Q2 2023538$10.2B
Q1 2023540$10.2B
Q4 2022529$8.72B
Q3 2022579$8.97B
Q2 2022632$12.0B
Q1 2022649$12.5B
Q4 2021696$16.5B
Q3 2021634$14.1B
Q2 2021686$17.6B
Q1 2021672$16.3B

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding Western Digital Corp; share changes are against Q2 2025.

Institutions holding WDC in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Park West Asset Management LLC385,000$46.2M4.23%−315,000−45.0%Reduced
Natixis Advisors, L.P.365,604$43.9M0.06%+136,424+59.5%Added
Storebrand Asset Management AS359,414$43.2M0.11%+147,686+69.8%Added
Korea Investment CORP358,512$43.0M0.09%+82,434+29.9%Added
Nomura Holdings Inc349,212$41.9M0.19%+349,212New
Candriam Luxembourg S.C.A.346,141$41.6M0.22%+315,207+1,019.0%Added
Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A.343,864$41.3M3.19%+343,864New
Universal- Beteiligungs- und Servicegesellschaft mbH339,413$40.7M0.07%+184,847+119.6%Added
683 Capital Management, LLC339,000$40.7M3.70%00.0%Unchanged
Canada Pension Plan Investment Board324,763$39.0M0.03%+288,808+803.2%Added
Marshall Wace, LLP322,396$38.7M0.04%+275,724+590.8%Added
State Board of Administration of Florida Retirement System315,103$37.8M0.07%−9,953−3.1%Reduced
Mackenzie Financial Corp307,720$36.9M0.04%−134,700−30.4%Reduced
Voya Investment Management LLC300,917$36.1M0.04%+13,958+4.9%Added
Aviva PLC299,923$36.0M0.07%+33,757+12.7%Added
Public Sector Pension Investment Board293,240$35.2M0.13%+259,820+777.4%Added
Allianz Asset Management GmbH291,205$35.0M0.04%−472,363−61.9%Reduced
Keystone Investors Pte Ltd286,888$34.4M3.98%−45,688−13.7%Reduced
AustralianSuper Pty Ltd285,222$34.2M0.16%+285,222New
Point72 Hong Kong Ltd280,836$33.7M1.56%+280,836New
Jain Global LLC279,760$33.6M0.44%+187,436+203.0%Added
Andra AP-fonden275,646$33.1M0.42%+159,056+136.4%Added
Susquehanna International Group, LLP272,154$32.7M0.05%+175,382+181.2%Added
Anatole Investment Management Ltd271,300$32.6M3.41%+271,300New
Great West Life Assurance Co278,517$32.5M0.05%+32,499+13.2%Added
Franklin Resources Inc270,145$32.4M0.01%+225,769+508.8%Added
LPL Financial LLC264,279$31.7M0.01%+112,620+74.3%Added
Deprince Race & Zollo Inc263,102$31.6M0.63%−280,141−51.6%Reduced
Braun Stacey Associates Inc262,117$31.5M1.03%+262,117New
Raymond James Financial Inc258,683$31.1M0.01%+40,602+18.6%Added
ExodusPoint Capital Management, LP254,768$30.6M0.43%+254,768New
New York State Teachers Retirement System254,032$30.5M0.06%+6,952+2.8%Added
Standard Life Aberdeen plc244,260$29.3M0.05%+14,343+6.2%Added
Loomis Sayles & Co L P241,268$29.0M0.03%−140,135−36.7%Reduced
Adage Capital Partners GP, L.L.C.240,837$28.9M0.05%−28,700−10.6%Reduced
Gendell Jeffrey L240,000$28.8M0.53%+145,000+152.6%Added
DekaBank Deutsche Girozentrale240,010$28.4M0.05%00.0%Unchanged
New York State Common Retirement Fund234,245$28.1M0.04%+61,166+35.3%Added
Thrivent Financial for Lutherans233,142$28.0M0.06%+142,477+157.1%Added
Swedbank AB228,777$27.5M0.03%+2,819+1.2%Added
Capital Fund Management S.A.226,151$27.2M0.27%+226,151New
Rivermont Capital Management LP225,541$27.1M7.15%+225,541New
KBC Group NV223,810$26.9M0.06%+10,646+5.0%Added
Cubist Systematic Strategies, LLC222,048$26.7M0.38%+65,491+41.8%Added
Crossmark Global Holdings, Inc.217,272$26.1M0.39%−18,170−7.7%Reduced
Lazard Asset Management LLC215,479$25.9M0.03%−100,796−31.9%Reduced
Pictet Asset Management Holding SA211,269$25.4M0.02%−765−0.4%Reduced
Apis Capital Advisors, LLC206,800$24.8M5.48%+206,800New
BNP PARIBAS ASSET MANAGEMENT Holding S.A.206,736$24.8M0.06%+131,487+174.7%Added
Forsta Ap-Fonden204,400$24.5M0.15%+134,700+193.3%Added
Manufacturers Life Insurance Company, The203,711$24.5M0.02%+4,173+2.1%Added
Rheos Capital Works Inc.200,000$24.0M1.34%+20,000+11.1%Added
State of Wisconsin Investment Board197,360$23.7M0.05%+3,695+1.9%Added
Maytus Capital Management, LLC194,131$23.3M5.00%+85,513+78.7%Added
Ieq Capital, LLC192,469$23.1M0.07%+40,415+26.6%Added
LGT Group Foundation175,517$22.9M0.26%+134,760+330.6%Added
Avala Global LP189,100$22.7M0.94%−46,200−19.6%Reduced
Melqart Asset Management (UK) Ltd187,622$22.5M3.01%−80,946−30.1%Reduced
Skandinaviska Enskilda Banken AB (publ)184,421$22.1M0.09%−24,722−11.8%Reduced
Chevy Chase Trust Holdings, Inc.177,052$21.3M0.06%−7,223−3.9%Reduced
APG Asset Management N.V.206,873$21.1M0.06%+2,700+1.3%Added
Walleye Capital LLC174,089$20.9M0.17%+88,349+103.0%Added
STRS Ohio173,277$20.8M0.08%−16,985−8.9%Reduced
Royal London Asset Management Ltd171,460$20.6M0.04%+11,080+6.9%Added
American Century Companies Inc167,833$20.2M0.01%+125,591+297.3%Added
Twin Tree Management, LP167,202$20.1M0.94%+103,603+162.9%Added
Public Employees Retirement System of Ohio163,445$19.6M0.06%−33,598−17.1%Reduced
Polymer Capital Management (HK) LTD162,562$19.5M2.71%−14,223−8.0%Reduced
Dendur Capital LP162,000$19.4M2.17%−148,000−47.7%Reduced
Hawk Ridge Capital Management LP159,700$19.2M0.91%+159,700New
Stifel Financial Corp157,843$19.0M0.02%+63,612+67.5%Added
Highland Peak Capital, LLC157,252$18.9M7.07%−365,987−69.9%Reduced
Treasurer of the State of North Carolina155,625$18.7M0.06%−6,064−3.8%Reduced
Cerity Partners LLC154,830$18.6M0.03%+26,458+20.6%Added
Asset Management One Co.,Ltd.150,852$18.1M0.05%+3,089+2.1%Added
Tairen Capital Ltd150,000$18.0M1.95%+150,000New
Virginia Retirement Systems Et Al149,600$18.0M0.12%+32,500+27.8%Added
Mitsubishi UFJ Trust & Banking Corp147,665$17.7M0.04%−17,142−10.4%Reduced
Point72 (DIFC) Ltd143,436$17.2M1.20%+72,833+103.2%Added
Polar Asset Management Partners Inc.143,212$17.2M0.35%−100,463−41.2%Reduced
Credit Agricole S A141,993$17.0M0.06%+141,993New
Toronto Dominion Bank133,873$16.1M0.03%−13,062−8.9%Reduced
KLP Kapitalforvaltning AS131,223$15.8M0.06%+2,800+2.2%Added
Illinois Municipal Retirement Fund130,650$15.7M0.20%−23,243−15.1%Reduced
Mn Services Vermogensbeheer B.V.129,200$15.5M0.10%00.0%Unchanged
Swiss Life Asset Management Ltd125,696$15.1M0.08%+21,752+20.9%Added
Susquehanna Portfolio Strategies, LLC124,661$15.0M0.24%00.0%Unchanged
National Bank of Canada123,834$14.9M0.02%−120,072−49.2%Reduced
TD Asset Management Inc123,648$14.8M0.01%−2,675−2.1%Reduced
Verition Fund Management LLC123,553$14.8M0.08%+123,553New
Rafferty Asset Management, LLC122,179$14.7M0.05%−1,549−1.3%Reduced
State of New Jersey Common Pension Fund D122,115$14.7M0.05%+6,000+5.2%Added
Quadrature Capital Ltd121,308$14.6M0.17%+121,308New
Mercer Global Advisors Inc121,136$14.5M0.02%+107,135+765.2%Added
Schroder Investment Management Group121,000$14.5M0.01%+51,504+74.1%Added
State of Tennessee, Treasury Department120,546$14.5M0.05%−1,450−1.2%Reduced
Pinebridge Investments, L.P.119,823$14.4M0.11%+8,460+7.6%Added
L & S Advisors Inc116,345$14.0M1.34%+58,667+101.7%Added
Intech Investment Management LLC115,147$13.8M0.12%+104,424+973.8%Added
Resona Asset Management Co.,Ltd.114,142$13.6M0.06%−4,746−4.0%Reduced