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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
CIBC World Markets Inc.46,734$5.61M0.01%+2,746+6.2%Added
Gateway Investment Advisers LLC46,706$5.61M0.05%−56,000−54.5%Reduced
Walleye Trading LLC46,292$5.56M0.09%−24,706−34.8%Reduced
Sanctuary Advisors, LLC46,026$5.53M0.03%+12,194+36.0%Added
Nissay Asset Management Corp45,919$5.51M0.03%+1,139+2.5%Added
Bank of Hawaii45,154$5.42M0.27%+45,154New
Jefferies Financial Group Inc.44,903$5.39M0.05%+44,903New
DeepCurrents Investment Group LLC43,116$5.18M0.17%−142,375−76.8%Reduced
Oddo BHF Asset Management SAS42,938$5.16M0.20%+42,938New
Kerrisdale Advisers, LLC42,454$5.10M2.64%−31,123−42.3%Reduced
Pinkerton Retirement Specialists, LLC42,002$5.04M0.54%+42,002New
III Capital Management41,713$5.01M1.21%−41,187−49.7%Reduced
Truist Financial Corp41,065$4.93M0.01%+29,667+260.3%Added
Yousif Capital Management, LLC40,923$4.91M0.05%−4,192−9.3%Reduced
Alight Capital Management LP40,000$4.80M1.15%+40,000New
Oregon Public Employees Retirement Fund39,667$4.76M0.06%+9,430+31.2%Added
Greenwich Wealth Management LLC39,644$4.76M0.24%−595−1.5%Reduced
Janus Henderson Group PLC39,469$4.74M0.00%−300−0.8%Reduced
Mirae Asset Global ETFs Holdings Ltd.39,364$4.73M0.01%−66,570−62.8%Reduced
Cinctive Capital Management LP39,355$4.72M0.24%−108,435−73.4%Reduced
Elo Mutual Pension Insurance Co39,350$4.72M0.08%+28,843+274.5%Added
NEOS Investment Management LLC38,831$4.66M0.03%+13,238+51.7%Added
CSS LLC38,753$4.65M0.28%+25,273+187.5%Added
Prospera Financial Services Inc38,579$4.63M0.08%+5,849+17.9%Added
Arkadios Wealth Advisors38,461$4.62M0.11%+11,794+44.2%Added
Mutual of America Capital Management LLC37,600$4.51M0.05%−2,404−6.0%Reduced
Edgestream Partners, L.P.37,568$4.51M0.13%+37,568New
Tredje AP-fonden37,110$4.46M0.04%+11,848+46.9%Added
Inspire Advisors, LLC37,062$4.45M0.43%+37,062New
Parallax Volatility Advisers, L.P.37,031$4.45M0.13%−47,971−56.4%Reduced
1832 Asset Management L.P.36,972$4.44M0.01%+36,972New
Omers Administration Corp36,795$4.42M0.03%−9,000−19.7%Reduced
OP Asset Management Ltd36,491$4.38M0.06%+1,539+4.4%Added
TTP Investments, Inc.32,500$4.27M1.24%+32,500New
Night Squared LP35,424$4.25M1.53%+35,424New
Lido Advisors, LLC35,309$4.24M0.02%+24,031+213.1%Added
Ethic Inc.35,027$4.21M0.07%+2,239+6.8%Added
Park Avenue Securities LLC34,566$4.15M0.03%+14,929+76.0%Added
Miracle Mile Advisors, LLC34,235$4.11M0.06%−33−0.1%Reduced
Clearline Capital LP34,215$4.11M0.35%−21,351−38.4%Reduced
Public Employees Retirement Association of Colorado34,079$4.09M0.02%−148−0.4%Reduced
Rakuten Investment Management, Inc.125,508$4.09M0.02%+125,508New
Dana Investment Advisors, Inc.33,566$4.03M0.12%−1,011−2.9%Reduced
Central Asset Investments & Management Holdings (HK) Ltd33,428$4.01M2.76%+10,388+45.1%Added
Cantor Fitzgerald, L. P.32,487$3.90M0.08%+25,987+399.8%Added
Prelude Capital Management, LLC32,451$3.90M0.31%−14,293−30.6%Reduced
Lansforsakringar Fondforvaltning AB (publ)32,075$3.85M0.02%−5,066−13.6%Reduced
J. Safra Sarasin Holding AG31,302$3.76M0.06%+22,022+237.3%Added
Wedbush Securities Inc31,285$3.76M0.12%−2,022−6.1%Reduced
Soviero Asset Management, LP31,000$3.72M2.30%−40,000−56.3%Reduced
ASR Vermogensbeheer N.V.30,963$3.72M0.05%−78−0.3%Reduced
Engineers Gate Manager LP30,434$3.65M0.04%−10,399−25.5%Reduced
Guggenheim Capital LLC30,162$3.62M0.03%+5,001+19.9%Added
Ardsley Advisory Partners LP30,000$3.60M0.55%+30,000New
Wellington Management Group LLP29,789$3.58M0.00%−1,139−3.7%Reduced
AIA Group Ltd29,265$3.51M0.06%+14,165+93.8%Added
Quantbot Technologies LP28,869$3.47M0.09%+28,869New
Volterra Technologies LP28,855$3.46M2.30%+28,855New
HBK Investments L P28,749$3.45M0.05%+2,708+10.4%Added
Captrust Financial Advisors27,398$3.29M0.01%+2,657+10.7%Added
Decker Retirement Planning Inc.27,273$3.27M1.80%+27,273New
Teachers Retirement System of the State of Kentucky27,100$3.25M0.02%00.0%Unchanged
Wealthfront Advisers LLC26,522$3.18M0.01%+10,200+62.5%Added
Collar Capital Management, LLC25,967$3.12M2.19%−3,688−12.4%Reduced
Estate Counselors, LLC25,821$3.10M0.27%+25,821New
Pathstone Holdings, LLC25,805$3.10M0.01%+5,555+27.4%Added
Zacks Investment Management25,064$3.01M0.02%+25,064New
HighTower Advisors, LLC24,593$2.95M0.00%−16,925−40.8%Reduced
Banco BTG Pactual S.A.24,105$2.89M0.42%+24,105New
Colony Group, LLC23,863$2.87M0.00%+6,542+37.8%Added
Generali Asset Management SPA SGR23,720$2.85M0.06%−9,895−29.4%Reduced
Janney Montgomery Scott LLC23,235$2.79M0.01%−3,670−13.6%Reduced
FORA Capital, LLC22,994$2.76M0.49%+22,994New
Group One Trading, L.P.22,978$2.76M0.08%−40,173−63.6%Reduced
Donoghue Forlines LLC22,851$2.74M0.85%+22,851New
Dark Forest Capital Management LP22,395$2.69M0.10%+22,395New
Clear Harbor Asset Management, LLC21,750$2.61M0.18%−1,728−7.4%Reduced
Kentucky Retirement Systems21,731$2.61M0.07%−405−1.8%Reduced
Sterling Capital Management LLC21,526$2.58M0.04%−58,427−73.1%Reduced
Winton Group Ltd21,391$2.57M0.10%−127,547−85.6%Reduced
Machina Capital S.A.S.21,387$2.57M0.45%+21,387New
QRG Capital Management, Inc.21,212$2.55M0.03%+16,747+375.1%Added
Fifth Third Bancorp21,186$2.54M0.01%+85+0.4%Added
Lecap Asset Management Ltd20,674$2.48M0.86%+14,531+236.5%Added
Tower Research Capital LLC (TRC)20,600$2.47M0.07%+6,595+47.1%Added
Hartford Investment Management Co20,352$2.44M0.07%−672−3.2%Reduced
Metis Global Partners, LLC20,227$2.43M0.06%+235+1.2%Added
Harvest Fund Management Co., Ltd20,220$2.43M0.10%+11,277+126.1%Added
SPX Equities Gestao de Recursos Ltda20,000$2.40M0.20%+20,000New
Counterpoint Mutual Funds LLC19,895$2.39M0.19%+19,895New
Romano Brothers and Company19,882$2.39M0.27%−250−1.2%Reduced
NewEdge Wealth, LLC14,871$2.38M0.03%−1,110−6.9%Reduced
Penserra Capital Management LLC19,809$2.38M0.03%+3,730+23.2%Added
Banque Cantonale Vaudoise19,724$2.37M0.09%−7,064−26.4%Reduced
Commonwealth Equity Services, LLC19,634$2.36M0.00%+8,055+69.6%Added
Avanza Fonder AB19,491$2.34M0.06%−5,767−22.8%Reduced
Lifestyle Asset Management, Inc.19,439$2.33M0.80%−1,373−6.6%Reduced
Fedenia Advisers LLC19,414$2.33M0.93%+19,414New
Blair William & Co19,137$2.30M0.01%−265−1.4%Reduced
Norinchukin Bank, The19,046$2.29M0.03%+1,198+6.7%Added