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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
Balyasny Asset Management LLC307,180$20.0M0.09%+60,069+24.3%Added
Stifel Financial Corp319,331$20.8M0.03%+24,979+8.5%Added
Adage Capital Partners GP, L.L.C.332,037$21.7M0.04%−287,600−46.4%Reduced
Woodline Partners LP339,708$22.2M0.32%+339,708New
New York State Teachers Retirement System340,379$22.2M0.04%−204−0.1%Reduced
Two Sigma Investments, LP347,565$22.7M0.06%+347,565New
Nexus Investment Management ULC348,908$22.8M2.31%+205+0.1%Added
Susquehanna International Group, LLP365,431$23.8M0.04%−12,699−3.4%Reduced
Amundi359,523$23.9M0.02%−554,630−60.7%Reduced
Caisse de Depot Et Placement du Quebec374,147$24.4M0.05%+33,400+9.8%Added
Davidson Kempner Capital Management LP375,000$24.5M0.37%+125,000+50.0%Added
Principal Financial Group Inc379,591$24.8M0.01%−7,924−2.0%Reduced
State Board of Administration of Florida Retirement System394,566$25.7M0.05%−3,980−1.0%Reduced
Grantham, Mayo, Van Otterloo & Co. LLC401,162$26.2M0.13%+8,669+2.2%Added
Bank of Montreal399,720$26.3M0.01%−14,117−3.4%Reduced
Deroy & Devereaux Private Investment Counsel Inc408,123$26.6M1.96%−10,939−2.6%Reduced
New York State Common Retirement Fund411,020$26.8M0.03%+19,846+5.1%Added
IPG Investment Advisors LLC452,937$29.5M5.35%+452,937New
Price T Rowe Associates Inc465,529$30.4M0.00%−18,910−3.9%Reduced
Raymond James & Associates474,290$30.9M0.02%−31,169−6.2%Reduced
Deprince Race & Zollo Inc476,189$31.1M0.79%+71,763+17.7%Added
Citigroup Inc484,187$31.6M0.03%+75,345+18.4%Added
Rhumbline Advisers489,238$31.9M0.04%+4,193+0.9%Added
Natixis501,646$32.7M0.11%−42,350−7.8%Reduced
APG Asset Management N.V.589,603$33.8M0.06%+39,400+7.2%Added
Discovery Capital Management, LLC537,670$35.1M2.72%+537,670New
UBS Group AG546,945$35.7M0.01%+71,434+15.0%Added
AQR Capital Management LLC550,626$35.9M0.07%+39,416+7.7%Added
Credit Suisse AG551,253$35.9M0.03%−62,723−10.2%Reduced
J. Goldman & Co LP561,987$36.6M3.36%+561,987New
California State Teachers Retirement System573,828$37.4M0.04%+13,939+2.5%Added
Barclays PLC584,872$38.1M0.02%−376,186−39.1%Reduced
First Trust Advisors LP639,053$41.7M0.04%+177,712+38.5%Added
Thompson Siegel & Walmsley LLC639,411$41.7M0.57%+639,411New
Victory Capital Management Inc666,196$43.4M0.04%−17,589−2.6%Reduced
Newport Trust Co667,200$43.5M0.12%−117,661−15.0%Reduced
AustralianSuper Pty Ltd650,059$44.0M0.24%+254,286+64.3%Added
California Public Employees Retirement System679,537$44.3M0.03%−5,350−0.8%Reduced
Bank of Nova Scotia690,256$45.0M0.07%+373,282+117.8%Added
National Pension Service693,858$45.2M0.08%+67,991+10.9%Added
US Bancorp694,646$45.3M0.07%−430−0.1%Reduced
Deutsche Bank AG696,341$45.4M0.02%−274,452−28.3%Reduced
Employees Provident Fund Board742,779$48.4M0.80%−1,285,665−63.4%Reduced
Nuveen Asset Management, LLC777,008$50.7M0.01%−55,034−6.6%Reduced
AXA S.A.793,906$51.8M0.13%+81,245+11.4%Added
Maple Rock Capital Partners Inc.803,000$52.4M6.52%+106,000+15.2%Added
Russell Investments Group, Ltd.812,039$53.0M0.08%+153,397+23.3%Added
KBC Group NV851,180$55.5M0.18%+802,699+1,655.7%Added
Neuberger Berman Group LLC883,115$57.4M0.05%+53,102+6.4%Added
Parametric Portfolio Associates LLC949,178$61.9M0.03%+189,165+24.9%Added
Sumitomo Mitsui Trust Holdings, Inc.981,547$64.0M0.04%+23,349+2.4%Added
CDAM (UK) Ltd1,026,489$66.9M8.02%+82,523+8.7%Added
Allianz Asset Management GmbH1,073,483$70.0M0.05%−499,454−31.8%Reduced
Prudential Financial Inc1,250,861$70.3M0.09%−264,038−17.4%Reduced
Janus Henderson Group PLC1,084,643$70.7M0.03%+547,213+101.8%Added
Millennium Management LLC1,095,918$71.5M0.08%+238,695+27.8%Added
Polar Capital Holdings Plc1,163,127$75.8M0.39%−188,173−13.9%Reduced
Wells Fargo & Company1,164,672$75.9M0.02%−130,019−10.0%Reduced
Royal Bank of Canada1,168,559$76.2M0.02%+151,456+14.9%Added
Swiss National Bank1,173,426$76.5M0.05%−40,900−3.4%Reduced
STRS Ohio1,192,835$77.8M0.27%+224,677+23.2%Added
Alyeska Investment Group, L.P.1,246,422$81.3M0.94%+318,655+34.3%Added
Viking Global Investors LPSuperinvestorViking Global Investors1,311,029$85.5M0.25%+1,311,029New
Artemis Investment Management LLP1,341,800$87.4M0.63%+1,158,297+631.2%Added
Jacobs Levy Equity Management, Inc1,409,447$91.9M0.62%−214,813−13.2%Reduced
Bank of America Corp1,483,146$96.7M0.01%−241,644−14.0%Reduced
D. E. Shaw & Co., Inc.1,490,589$97.2M0.12%+230,521+18.3%Added
Morgan Stanley1,532,376$99.9M0.01%−225,438−12.8%Reduced
Point72 Asset Management, L.P.1,859,137$121.2M0.54%−1,607,363−46.4%Reduced
Primecap Management Co2,009,947$131.1M0.09%+212,280+11.8%Added
Thunderbird Partners LLP2,063,413$134.6M15.52%+289,103+16.3%Added
Charles Schwab Investment Management Inc2,414,181$157.4M0.05%+93,218+4.0%Added
Legal & General Group Plc2,428,616$158.4M0.05%−15,997−0.7%Reduced
FMR LLC2,711,402$176.8M0.01%−24,697−0.9%Reduced
Boston Partners3,077,372$200.7M0.24%−496,418−13.9%Reduced
Bank of New York Mellon Corp3,079,992$200.8M0.04%−59,123−1.9%Reduced
Norges Bank3,108,528$202.7M0.04%+50,828+1.7%Added
Northern Trust Corp3,234,149$210.9M0.03%−25,022−0.8%Reduced
Invesco Ltd.3,403,402$221.9M0.05%+249,169+7.9%Added
Dimensional Fund Advisors LP3,421,470$223.1M0.07%+15,437+0.5%Added
Goldman Sachs Group Inc3,452,304$225.1M0.05%−266,876−7.2%Reduced
UBS Asset Management Americas Inc3,686,669$240.4M0.09%−48,710−1.3%Reduced
Lyrical Asset Management LP3,970,469$258.9M3.47%−266,184−6.3%Reduced
Parnassus Investments5,170,720$337.2M0.65%−445,619−7.9%Reduced
Sanders Capital, LLC6,197,859$404.2M0.82%+646,194+11.6%Added
Alliancebernstein L.P.6,272,271$409.0M0.15%+162,490+2.7%Added
Geode Capital Management, LLC6,308,135$410.4M0.05%+343,751+5.8%Added
DnB Asset Management AS6,531,357$425.9M2.50%+1,213,542+22.8%Added
Clearbridge Investments, LLC7,398,655$482.5M0.33%−272,278−3.5%Reduced
Ameriprise Financial Inc7,905,352$515.4M0.14%−404,596−4.9%Reduced
FIL Ltd8,651,074$564.1M0.58%+1,233,589+16.6%Added
Franklin Resources Inc10,222,580$666.6M0.24%+919,958+9.9%Added
State Street Corp12,606,319$822.1M0.04%+584,448+4.9%Added
BlackRock Inc.25,026,324$1.63B0.04%+588,326+2.4%Added
Vanguard Group Inc35,190,258$2.29B0.05%+1,722,088+5.1%Added
Sofos Investments, Inc.1,690––+1,680+16,800.0%Added
Menora Mivtachim Holdings Ltd.0$00.00%−2,402,000−100.0%Sold out
Westfield Capital Management Co LP0$00.00%−611,079−100.0%Sold out
Phoenix Holdings Ltd.0$00.00%−466,390−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−458,900−100.0%Sold out