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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, Q4 2021

Institutional positions in Western Digital Corp as of Dec 31, 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
696
+72 vs. Q3 2021
Shares held
253.2M
+3.96M (+1.6%) vs. Q3 2021
Total value
$16.5B
+$2.43B (+17.2%) vs. Q3 2021
New holders
148
232 more added
Sold out
76
219 more reduced

10 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2021: 696 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 heldQ4 2021: $16.5B
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, Q4 2021

Shares, value and share of portfolio for each institution holding Western Digital Corp; share changes are against Q3 2021.

Institutions holding WDC in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Maryland State Retirement & Pension System23,276$1.52M0.04%00.0%Unchanged
Elo Mutual Pension Insurance Co23,273$1.52M0.04%+1,901+8.9%Added
CIBC World Markets Inc.23,589$1.54M0.01%+1,462+6.6%Added
Walleye Capital LLC24,124$1.57M0.05%+9,641+66.6%Added
Eagle Rock Investment Company, LLC24,370$1.59M0.30%+24,370New
Leonteq Securities AG24,687$1.61M0.07%+6,512+35.8%Added
Maytus Capital Management, LLC25,000$1.63M0.38%+25,000New
Mirae Asset Global Investments Co., Ltd.25,329$1.65M0.00%+7,036+38.5%Added
Vestmark Advisory Solutions, Inc.25,613$1.67M0.09%−516−2.0%Reduced
Creative Planning25,631$1.67M0.00%+1,214+5.0%Added
Securian Asset Management, Inc25,678$1.67M0.03%+223+0.9%Added
Worldquant Millennium Advisors LLC25,815$1.68M0.03%+25,815New
Alaska Permanent Fund Corp32,700$1.69M0.03%00.0%Unchanged
Cornercap Investment Counsel Inc26,033$1.70M0.25%−11,694−31.0%Reduced
Venture Visionary Partners LLC26,476$1.70M0.11%+299+1.1%Added
Norinchukin Bank, The26,466$1.73M0.02%+271+1.0%Added
Miracle Mile Advisors, LLC26,777$1.75M0.07%+5,611+26.5%Added
Commonwealth Equity Services, LLC26,808$1.75M0.00%+1,980+8.0%Added
Mackenzie Financial Corp27,003$1.76M0.00%−2,694−9.1%Reduced
Arden Trust Co27,181$1.77M0.30%−679−2.4%Reduced
Natixis Advisors, L.P.27,449$1.79M0.01%+2,093+8.3%Added
Alerus Financial NA28,181$1.84M0.15%+2,815+11.1%Added
Blair William & Co28,424$1.85M0.01%+7,077+33.2%Added
Tower Research Capital LLC (TRC)28,690$1.87M0.03%+15,532+118.0%Added
OPSEU Pension Plan Trust Fund28,358$1.89M0.43%+450+1.6%Added
CIBC Asset Management Inc29,472$1.92M0.01%+1,644+5.9%Added
Cypress Capital, LLC29,529$1.93M0.22%00.0%Unchanged
F/M Investments LLC30,399$1.98M1.45%+30,399New
Duality Advisers, LP30,784$2.01M0.22%+30,784New
Hartford Investment Management Co31,742$2.07M0.05%+3,126+10.9%Added
Sumitomo Mitsui DS Asset Management Company, Ltd34,790$2.27M0.05%+7,082+25.6%Added
Nissay Asset Management Corp34,814$2.27M0.02%+2,196+6.7%Added
Susquehanna Fundamental Investments, LLC35,368$2.31M0.06%−22,500−38.9%Reduced
Metropolitan Life Insurance Co35,626$2.32M0.03%−424−1.2%Reduced
Stephens Inc36,040$2.35M0.04%−6,809−15.9%Reduced
Banque Cantonale Vaudoise36,151$2.36M0.09%−4,210−10.4%Reduced
BI Asset Management Fondsmaeglerselskab A/S36,218$2.36M0.09%−13,278−26.8%Reduced
Vident Investment Advisory, LLC36,655$2.39M0.06%+1,388+3.9%Added
Handelsbanken Fonder AB36,810$2.40M0.01%00.0%Unchanged
Pinebridge Investments, L.P.37,156$2.42M0.02%+36,912+15,127.9%Added
Capstone Investment Advisors, LLC38,484$2.51M0.04%−53,811−58.3%Reduced
Platinum Investment Management Ltd38,586$2.52M0.07%+38,586New
Commonwealth of Pennsylvania Public School Empls Retrmt Sys39,114$2.55M0.03%+710+1.8%Added
Truist Financial Corp39,248$2.56M0.00%−5,700−12.7%Reduced
Oppenheimer Asset Management Inc.39,790$2.60M0.03%−421−1.0%Reduced
IFM Investors Pty Ltd39,955$2.60M0.05%−306−0.8%Reduced
Tredje AP-fonden40,000$2.61M0.05%−20,000−33.3%Reduced
Alight Capital Management LP40,000$2.61M0.85%+40,000New
Greenwich Wealth Management LLC40,912$2.67M0.22%+300+0.7%Added
Public Employees Retirement Association of Colorado41,107$2.68M0.01%00.0%Unchanged
Mutual of America Capital Management LLC41,146$2.68M0.03%+938+2.3%Added
Seven Eight Capital, LP41,222$2.69M0.48%+19,636+91.0%Added
Advisor Group Holdings, Inc.41,523$2.71M0.01%+11,792+39.7%Added
Kestra Advisory Services, LLC42,052$2.74M0.03%−3,758−8.2%Reduced
Texas Permanent School Fund42,983$2.80M0.03%−4,359−9.2%Reduced
Cubist Systematic Strategies, LLC43,148$2.81M0.03%+12,050+38.7%Added
Penn Capital Management Co Inc44,254$2.82M0.28%−1,432−3.1%Reduced
Thrivent Financial for Lutherans44,500$2.90M0.01%−112,240−71.6%Reduced
Gulf International Bank (UK) Ltd44,669$2.91M0.04%−9,958−18.2%Reduced
Caption Management, LLC45,000$2.93M0.18%−195,770−81.3%Reduced
Financial Sense Advisors, Inc.45,175$2.95M1.02%+45,175New
Comerica Bank53,547$2.95M0.02%−93,183−63.5%Reduced
Quantbot Technologies LP45,273$2.95M0.24%+44,341+4,757.6%Added
Mackay Shields LLC46,588$3.04M0.03%−335−0.7%Reduced
Banco Bilbao Vizcaya Argentaria, S.A.47,729$3.12M0.04%+10,728+29.0%Added
Eaton Vance Management50,210$3.27M0.00%+558+1.1%Added
Gotham Asset Management, LLC50,433$3.29M0.11%−1,739−3.3%Reduced
State of Tennessee, Treasury Department50,997$3.33M0.01%−783−1.5%Reduced
Public Sector Pension Investment Board51,995$3.39M0.02%−8,950−14.7%Reduced
Sound Income Strategies, LLC52,229$3.41M0.40%+1,711+3.4%Added
The PNC Financial Services Group, Inc.52,604$3.43M0.00%−641−1.2%Reduced
Yousif Capital Management, LLC53,720$3.50M0.04%+53,720New
ING Groep NV53,997$3.52M0.03%+15,973+42.0%Added
British Columbia Investment Management Corp54,236$3.54M0.02%−2,290−4.1%Reduced
Westerly Capital Management, LLC55,000$3.59M2.36%+55,000New
Janney Montgomery Scott LLC55,800$3.64M0.01%−4,411−7.3%Reduced
Utah Retirement Systems56,665$3.69M0.05%+1,200+2.2%Added
Allspring Global Investments Holdings, LLC56,997$3.72M0.00%+56,997New
Xponance, Inc.57,015$3.72M0.06%+41,429+265.8%Added
ExodusPoint Capital Management, LP57,201$3.73M0.05%−35,017−38.0%Reduced
Paloma Partners Management Co57,200$3.73M0.12%+57,200New
Korea Investment CORP58,600$3.82M0.01%−60,100−50.6%Reduced
Teacher Retirement System of Texas58,812$3.83M0.02%+10,806+22.5%Added
Banque Pictet & Cie SA58,812$3.83M0.03%+58,812New
American Assets Investment Management, LLC60,000$3.91M0.42%00.0%Unchanged
Chartwell Investment Partners, LLC62,424$4.07M0.12%−625−1.0%Reduced
M&G Investment Management Ltd63,094$4.10M0.03%−72,949−53.6%Reduced
Raymond James Financial Services Advisors, Inc.63,917$4.17M0.01%+4,962+8.4%Added
Livforsakringsbolaget Skandia, Omsesidigt64,260$4.19M0.27%00.0%Unchanged
LSV Asset Management65,100$4.25M0.01%00.0%Unchanged
Two Sigma Advisers, LP66,800$4.36M0.01%+66,800New
McGuire Investment Group, LLC67,234$4.38M0.72%−7,412−9.9%Reduced
USS Investment Management Ltd67,601$4.41M0.03%00.0%Unchanged
Nomura Asset Management Co Ltd67,639$4.41M0.02%+181+0.3%Added
MetLife Investment Management68,848$4.49M0.04%−366−0.5%Reduced
Buckhead Capital Management LLC69,168$4.51M0.95%−265−0.4%Reduced
Nisa Investment Advisors, LLC88,425$4.58M0.03%+1,026+1.2%Added
Citadel Advisors LLC70,987$4.63M0.00%−1,384,810−95.1%Reduced
KCL Capital, L.P.72,075$4.70M0.65%+72,075New
BNP PARIBAS ASSET MANAGEMENT Holding S.A.72,098$4.70M0.02%−1,818−2.5%Reduced