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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 2021

Institutional positions in Western Digital Corp as of Sep 30, 2021. 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
634
−43 vs. Q2 2021
Shares held
249.5M
+2.50M (+1.0%) vs. Q2 2021
Total value
$14.1B
−$3.49B (−19.9%) vs. Q2 2021
New holders
63
210 more added
Sold out
106
243 more reduced

9 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2021: 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 2021: 634 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 2021: $14.1B
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 2021

Shares, value and share of portfolio for each institution holding Western Digital Corp; share changes are against Q2 2021.

Institutions holding WDC in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Stephens Inc42,849$2.42M0.04%−4,582−9.7%Reduced
Truist Financial Corp44,948$2.54M0.00%−2,140−4.5%Reduced
Penn Capital Management Co Inc45,686$2.58M0.26%−600−1.3%Reduced
Kestra Advisory Services, LLC45,810$2.59M0.03%−5,150−10.1%Reduced
Mackay Shields LLC46,923$2.65M0.02%−1,356−2.8%Reduced
Eaton Vance Management49,652$2.66M0.00%−1,264−2.5%Reduced
Texas Permanent School Fund47,342$2.67M0.03%−3,569−7.0%Reduced
Teacher Retirement System of Texas48,006$2.71M0.01%−46,390−49.1%Reduced
KBC Group NV48,481$2.74M0.01%00.0%Unchanged
DeepCurrents Investment Group LLC49,288$2.78M0.08%−11,408−18.8%Reduced
BI Asset Management Fondsmaeglerselskab A/S49,496$2.79M0.11%+8,847+21.8%Added
Sound Income Strategies, LLC50,518$2.85M0.37%+3,725+8.0%Added
State of Tennessee, Treasury Department51,780$2.92M0.01%−2,805−5.1%Reduced
Gotham Asset Management, LLC52,172$2.94M0.12%+52,172New
Squarepoint Ops LLC52,336$2.95M0.02%+37,710+257.8%Added
PEAK6 Investments LLC52,919$2.99M0.06%−33,569−38.8%Reduced
The PNC Financial Services Group, Inc.53,245$3.00M0.00%+282+0.5%Added
Augustine Asset Management Inc54,007$3.05M1.62%−1,351−2.4%Reduced
Holocene Advisors, LP54,368$3.07M0.02%−515,590−90.5%Reduced
First American Trust, FSB54,394$3.07M0.46%−27,291−33.4%Reduced
Swiss Life Asset Management Ltd54,418$3.07M0.04%−13,467−19.8%Reduced
Gulf International Bank (UK) Ltd54,627$3.08M0.04%−659−1.2%Reduced
Utah Retirement Systems55,465$3.13M0.04%−3,100−5.3%Reduced
British Columbia Investment Management Corp56,526$3.19M0.02%−52−0.1%Reduced
Cinctive Capital Management LP56,996$3.22M0.18%−56,131−49.6%Reduced
Susquehanna Fundamental Investments, LLC57,868$3.27M0.06%+57,868New
SG Americas Securities, LLC58,034$3.27M0.02%+41,046+241.6%Added
Raymond James Financial Services Advisors, Inc.58,955$3.33M0.01%−1,631−2.7%Reduced
American Assets Investment Management, LLC60,000$3.39M0.42%00.0%Unchanged
Tredje AP-fonden60,000$3.39M0.07%+60,000New
Janney Montgomery Scott LLC60,211$3.40M0.01%+388+0.6%Added
Point72 Hong Kong Ltd60,568$3.42M0.26%+3,868+6.8%Added
Public Sector Pension Investment Board60,945$3.44M0.02%+12,910+26.9%Added
Nomura Holdings Inc61,175$3.49M0.03%+46,815+326.0%Added
Chartwell Investment Partners, LLC63,049$3.56M0.11%+12,595+25.0%Added
ProShare Advisors LLC64,235$3.63M0.01%+6,079+10.5%Added
Livforsakringsbolaget Skandia, Omsesidigt64,260$3.63M0.23%00.0%Unchanged
Rafferty Asset Management, LLC65,082$3.67M0.03%+3,604+5.9%Added
LSV Asset Management65,100$3.67M0.01%+65,100New
Nomura Asset Management Co Ltd67,458$3.81M0.02%+2,574+4.0%Added
USS Investment Management Ltd67,601$3.82M0.03%+22,086+48.5%Added
MetLife Investment Management69,214$3.91M0.04%−1,835−2.6%Reduced
Buckhead Capital Management LLC69,433$3.92M0.88%+1,232+1.8%Added
Forsta Ap-Fonden70,000$3.95M0.04%−11,300−13.9%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.73,916$4.17M0.02%+7,463+11.2%Added
McGuire Investment Group, LLC74,646$4.21M0.79%−37,750−33.6%Reduced
Maplelane Capital, LLC77,001$4.35M0.31%−26,000−25.2%Reduced
Calamos Advisors LLC77,124$4.35M0.02%+6,773+9.6%Added
Walleye Trading LLC81,334$4.59M0.11%+71,741+747.8%Added
First Republic Investment Management, Inc.84,606$4.78M0.01%−482−0.6%Reduced
Arizona State Retirement System86,002$4.85M0.04%−516−0.6%Reduced
State of Michigan Retirement System87,193$4.92M0.03%00.0%Unchanged
Nisa Investment Advisors, LLC87,399$4.93M0.03%00.0%Unchanged
Virginia Retirement Systems Et Al88,500$5.00M0.05%+88,500New
Illinois Municipal Retirement Fund89,740$5.07M0.19%+23,447+35.4%Added
Cna Financial Corp90,000$5.08M1.38%+25,000+38.5%Added
Andra AP-fonden90,500$5.11M0.11%+13,500+17.5%Added
ExodusPoint Capital Management, LP92,218$5.21M0.08%+8,006+9.5%Added
Capstone Investment Advisors, LLC92,295$5.21M0.09%+89,894+3,744.0%Added
PFS Investments Inc.94,620$5.28M0.11%+1,067+1.1%Added
Olstein Capital Management, L.P.94,000$5.30M0.65%00.0%Unchanged
Amalgamated Bank94,953$5.36M0.05%−3,009−3.1%Reduced
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund95,366$5.38M0.05%−2,600−2.7%Reduced
Qube Research & Technologies Ltd96,348$5.44M0.07%+47,555+97.5%Added
Shelton Capital Management99,016$5.59M0.22%+88,800+869.2%Added
Force Hill Capital Management LP99,400$5.61M1.39%+99,400New
Smith, Graham & Co., Investment Advisors, LP100,033$5.65M0.57%+4,392+4.6%Added
Envestnet Asset Management Inc104,041$5.87M0.00%−14,187−12.0%Reduced
ClariVest Asset Management LLC104,120$5.88M0.19%+104,120New
Polar Asset Management Partners Inc.104,625$5.91M0.07%−42,575−28.9%Reduced
Retirement Systems of Alabama105,238$5.94M0.02%−6,862−6.1%Reduced
Clearline Capital LP105,484$5.95M0.78%−8,451−7.4%Reduced
Aviva PLC105,508$5.96M0.03%−5,198−4.7%Reduced
Royal London Asset Management Ltd107,435$6.07M0.02%00.0%Unchanged
Treasurer of the State of North Carolina110,574$6.24M0.04%+3,729+3.5%Added
American International Group, Inc.112,455$6.35M0.03%−1,975−1.7%Reduced
Rockefeller Capital Management L.P.117,778$6.65M0.03%+9,608+8.9%Added
Korea Investment CORP118,700$6.70M0.02%−9,600−7.5%Reduced
Greenwood Capital Associates LLC118,688$6.70M1.03%+11,176+10.4%Added
Voya Investment Management LLC120,330$6.79M0.01%−2,002−1.6%Reduced
Nordea Investment Management AB121,628$6.91M0.01%−1,517−1.2%Reduced
Permit Capital, LLC122,600$6.92M2.06%00.0%Unchanged
AMP Capital Investors Ltd122,979$6.94M0.04%−29,223−19.2%Reduced
swisspartners Ltd.126,016$7.11M5.51%+1,131+0.9%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.128,470$7.25M0.04%+14,744+13.0%Added
Pictet Asset Management SA131,702$7.43M0.01%+131,702New
Hosking Partners LLP131,848$7.44M0.18%−14,498−9.9%Reduced
DekaBank Deutsche Girozentrale132,312$7.53M0.02%−58,058−30.5%Reduced
Storebrand Asset Management AS134,127$7.57M0.04%+6,498+5.1%Added
M&G Investment Management Ltd136,043$7.62M0.04%+43,274+46.6%Added
Voloridge Investment Management, LLC138,747$7.83M0.05%−247,272−64.1%Reduced
swisspartners Advisors Ltd139,208$7.86M5.52%+36,160+35.1%Added
Guggenheim Capital LLC139,380$7.87M0.05%−43,831−23.9%Reduced
Asset Management One Co.,Ltd.139,708$7.88M0.03%−4,048−2.8%Reduced
Panview Asian Equity Master Fund140,000$7.90M11.37%−5,000−3.4%Reduced
Standard Life Aberdeen plc139,709$7.95M0.02%−6,513−4.5%Reduced
Robotti Robert142,878$8.06M1.85%−152−0.1%Reduced
Macquarie Group Ltd144,813$8.17M0.01%−2,847−1.9%Reduced
State of Alaska, Department of Revenue145,618$8.22M0.08%−4,004−2.7%Reduced
Comerica Bank146,730$8.57M0.05%+66,040+81.8%Added