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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, Q2 2021

Institutional positions in Western Digital Corp as of Jun 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
686
+20 vs. Q1 2021
Shares held
247.7M
+4.61M (+1.9%) vs. Q1 2021
Total value
$17.6B
+$1.39B (+8.6%) vs. Q1 2021
New holders
93
247 more added
Sold out
73
229 more reduced

6 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2021: 686 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 heldQ2 2021: $17.6B
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, Q2 2021

Shares, value and share of portfolio for each institution holding Western Digital Corp; share changes are against Q1 2021.

Institutions holding WDC in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Smith, Graham & Co., Investment Advisors, LP95,641$6.81M0.60%−14,741−13.4%Reduced
Marshall Wace, LLP97,222$6.92M0.04%−125,690−56.4%Reduced
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund97,966$6.97M0.06%−4,000−3.9%Reduced
Amalgamated Bank97,962$6.97M0.06%+81,318+488.6%Added
Maplelane Capital, LLC103,001$7.33M0.57%−111,999−52.1%Reduced
swisspartners Advisors Ltd103,048$7.33M5.75%+8,140+8.6%Added
Treasurer of the State of North Carolina106,845$7.60M0.04%−9,440−8.1%Reduced
Royal London Asset Management Ltd107,435$7.65M0.03%00.0%Unchanged
Greenwood Capital Associates LLC107,512$7.65M1.16%+48,544+82.3%Added
Rockefeller Capital Management L.P.108,170$7.70M0.04%+104,979+3,289.8%Added
Aviva PLC110,706$7.88M0.03%−1,792−1.6%Reduced
Banco Santander, S.A.111,127$7.91M0.04%+111,127New
Retirement Systems of Alabama112,100$7.98M0.03%−2,069−1.8%Reduced
McGuire Investment Group, LLC112,396$8.00M1.52%+669+0.6%Added
Cinctive Capital Management LP113,127$8.05M0.44%+61,627+119.7%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.113,726$8.09M0.04%+14,585+14.7%Added
Clearline Capital LP113,935$8.11M1.21%−11,933−9.5%Reduced
American International Group, Inc.114,430$8.14M0.03%−13,617−10.6%Reduced
Man Group plc118,117$8.41M0.03%+114,095+2,836.8%Added
Envestnet Asset Management Inc118,228$8.41M0.00%+8,903+8.1%Added
VIEX Capital Advisors, LLC121,179$8.62M6.18%+121,179New
Voya Investment Management LLC122,332$8.71M0.02%+1,103+0.9%Added
Permit Capital, LLC122,600$8.72M2.62%00.0%Unchanged
Nordea Investment Management AB123,145$8.76M0.01%−19,296−13.5%Reduced
swisspartners Ltd.124,885$8.89M6.32%+470.0%Added
Storebrand Asset Management AS127,629$9.08M0.04%00.0%Unchanged
Pictet Asset Management Ltd127,774$9.09M0.01%−1,480−1.1%Reduced
Korea Investment CORP128,300$9.13M0.03%+43,400+51.1%Added
North Fourth Asset Management, LP129,747$9.23M3.49%+129,747New
Skandinaviska Enskilda Banken AB (publ)131,431$9.35M0.06%−12,689−8.8%Reduced
Thrivent Financial for Lutherans132,316$9.42M0.02%+79,690+151.4%Added
Segantii Capital Management Ltd140,000$9.96M0.32%+140,000New
Robotti Robert143,030$10.2M2.55%+1,440+1.0%Added
Asset Management One Co.,Ltd.143,756$10.2M0.04%−5,739−3.8%Reduced
Panview Asian Equity Master Fund145,000$10.3M8.20%+145,000New
Standard Life Aberdeen plc146,222$10.4M0.02%−5,456−3.6%Reduced
Hosking Partners LLP146,346$10.4M0.23%−2,079−1.4%Reduced
Polar Asset Management Partners Inc.147,200$10.5M0.13%+142,857+3,289.4%Added
Macquarie Group Ltd147,660$10.5M0.01%+3,792+2.6%Added
Twin Tree Management, LP149,565$10.6M0.32%−47,802−24.2%Reduced
State of Alaska, Department of Revenue149,622$10.6M0.11%+26,114+21.1%Added
Davidson Kempner Capital Management LP150,000$10.7M0.08%+150,000New
AMP Capital Investors Ltd152,202$10.8M0.05%−9,315−5.8%Reduced
Paloma Partners Management Co160,962$11.5M0.30%−5,225−3.1%Reduced
Sprott Inc.170,000$12.1M0.78%00.0%Unchanged
Crossmark Global Holdings, Inc.172,164$12.3M0.29%+151,028+714.6%Added
Ardsley Advisory Partners LP175,000$12.5M2.08%+175,000New
Jane Street Group, LLC176,903$12.6M0.03%+26,989+18.0%Added
Wolverine Trading, LLC178,211$12.6M0.34%−807−0.5%Reduced
Public Employees Retirement System of Ohio177,643$12.6M0.04%+15,839+9.8%Added
Loews Corp180,000$12.8M0.11%+5,000+2.9%Added
Churchill Management Corp180,759$12.9M0.19%+180,759New
State of New Jersey Common Pension Fund D182,928$13.0M0.04%+2,719+1.5%Added
Guggenheim Capital LLC183,211$13.0M0.08%+16,823+10.1%Added
HighTower Advisors, LLC184,798$13.1M0.04%−17,626−8.7%Reduced
CIBC World Markets Corp187,262$13.3M0.09%+133,447+248.0%Added
DekaBank Deutsche Girozentrale190,370$13.4M0.04%+7,346+4.0%Added
Oregon Public Employees Retirement Fund188,394$13.4M0.15%−35,000−15.7%Reduced
Great West Life Assurance Co192,630$13.7M0.03%−1,669−0.9%Reduced
Chevy Chase Trust Holdings, Inc.195,276$13.9M0.05%−10,160−4.9%Reduced
Mitsubishi UFJ Trust & Banking Corp196,277$13.9M0.03%−9,457−4.6%Reduced
Elemental Capital Partners LLC197,190$14.0M11.50%+930+0.5%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main196,433$14.0M0.02%+42,775+27.8%Added
Redwood Grove Capital, LLC205,501$14.6M7.89%+3,313+1.6%Added
LPL Financial LLC206,712$14.7M0.01%+12,779+6.6%Added
Bank of Nova Scotia209,733$14.9M0.03%+51,032+32.2%Added
Toronto Dominion Bank219,191$15.6M0.02%+37,216+20.5%Added
Teachers Retirement System of the State of Kentucky223,370$15.9M0.15%−21,900−8.9%Reduced
Robeco Institutional Asset Management B.V.223,571$15.9M0.04%+73,392+48.9%Added
Guyasuta Investment Advisors Inc226,996$16.2M1.16%+6,768+3.1%Added
South Dakota Investment Council229,390$16.3M0.29%−58,910−20.4%Reduced
State of Wisconsin Investment Board234,986$16.7M0.03%+30,857+15.1%Added
S&T Bank235,288$16.7M2.60%−4,327−1.8%Reduced
Braun Stacey Associates Inc240,493$17.1M0.67%+89,580+59.4%Added
AQR Capital Management LLC244,876$17.4M0.03%+128,126+109.7%Added
Islet Management, LP250,000$17.8M0.93%+250,000New
Alyeska Investment Group, L.P.263,852$18.8M0.22%−43,085−14.0%Reduced
Ensign Peak Advisors, Inc268,077$19.1M0.04%−125,241−31.8%Reduced
TD Asset Management Inc297,220$19.3M0.02%+81,987+38.1%Added
Granahan Investment Management Inc276,813$19.7M0.37%−51,514−15.7%Reduced
Deprince Race & Zollo Inc291,224$20.7M0.52%−10,596−3.5%Reduced
AXA S.A.292,202$20.8M0.06%+286,115+4,700.4%Added
JPMorgan Chase & Co293,016$20.9M0.00%−115,564−28.3%Reduced
Bank of Montreal295,925$20.9M0.01%+114,740+63.3%Added
Manufacturers Life Insurance Company, The294,905$21.0M0.02%−7,619−2.5%Reduced
Swedbank AB296,496$21.1M0.04%+3,551+1.2%Added
Stifel Financial Corp319,502$22.7M0.03%+11,387+3.7%Added
AustralianSuper Pty Ltd323,538$23.0M0.16%+141,616+77.8%Added
Zimmer Partners, LP325,000$23.1M0.32%+125,000+62.5%Added
Schroder Investment Management Group332,680$23.7M0.03%+150,307+82.4%Added
LMR Partners LLP341,828$24.3M0.37%+247,937+264.1%Added
New York State Teachers Retirement System346,024$24.6M0.05%−9,003−2.5%Reduced
HSBC Holdings PLC350,665$24.9M0.03%+60,396+20.8%Added
Nexus Investment Management ULC350,053$24.9M2.58%+2,840+0.8%Added
Schonfeld Strategic Advisors LLC350,300$24.9M0.28%−115,100−24.7%Reduced
Seizert Capital Partners, LLC367,517$26.2M1.25%−329,704−47.3%Reduced
Factory Mutual Insurance Co371,824$26.5M0.32%−8,465−2.2%Reduced
Russell Investments Group, Ltd.373,060$26.5M0.04%−41,625−10.0%Reduced
Los Angeles Capital Management LLC375,802$26.7M0.12%+364,666+3,274.7%Added
Woodline Partners LP381,838$27.2M0.51%+168,954+79.4%Added