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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 2025

Institutional positions in Western Digital Corp as of Jun 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
750
+97 vs. Q1 2025
Shares held
365.2M
+8.37M (+2.3%) vs. Q1 2025
Total value
$23.4B
+$8.96B (+62.2%) vs. Q1 2025
New holders
181
285 more added
Sold out
84
209 more reduced

9 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 750 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 2025: $23.4B
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 2025

Shares, value and share of portfolio for each institution holding Western Digital Corp; share changes are against Q1 2025.

Institutions holding WDC in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc43,039,216$2.75B0.04%+100,721+0.2%Added
BlackRock, Inc.34,996,856$2.24B0.04%+4,949,136+16.5%Added
FMR LLC32,261,134$2.06B0.12%+4,719,725+17.1%Added
Bank of America Corp25,877,954$1.66B0.13%+7,641,491+41.9%Added
State Street Corp15,184,522$971.7M0.04%+288,305+1.9%Added
UBS Group AG11,427,216$731.2M0.15%−5,662,033−33.1%Reduced
JPMorgan Chase & Co11,308,503$723.6M0.05%−8,590,509−43.2%Reduced
FIL Ltd10,425,084$667.1M0.57%+2,851,596+37.7%Added
Geode Capital Management, LLC9,305,289$593.0M0.04%+186,030+2.0%Added
Ameriprise Financial Inc9,059,528$579.7M0.14%+1,153,441+14.6%Added
Morgan Stanley7,826,274$500.8M0.03%+1,298,198+19.9%Added
Slate Path Capital LP6,038,091$386.4M6.66%−1,632,800−21.3%Reduced
Holocene Advisors, LP5,535,972$354.2M0.87%+431,419+8.5%Added
Invesco Ltd.5,268,792$337.1M0.06%−491,889−8.5%Reduced
DnB Asset Management AS4,842,066$309.8M1.28%−734,397−13.2%Reduced
Goldman Sachs Group Inc4,102,958$262.5M0.04%+2,836,754+224.0%Added
Balyasny Asset Management LLC3,992,374$255.5M0.58%+1,749,887+78.0%Added
Maple Rock Capital Partners Inc.3,735,296$239.0M11.94%+545,500+17.1%Added
Impactive Capital LP3,571,435$228.5M10.30%+2,906,730+437.3%Added
Price T Rowe Associates Inc3,529,531$225.9M0.03%−1,973,673−35.9%Reduced
Citadel Advisors LLC3,515,603$225.0M0.20%−381,329−9.8%Reduced
Norges Bank3,448,666$220.7M0.03%−1,586,145−31.5%Reduced
Northern Trust Corp3,421,360$218.9M0.03%−28,451−0.8%Reduced
Dimensional Fund Advisors LP3,401,926$217.7M0.05%+468,648+16.0%Added
UBS Asset Management Americas Inc3,203,282$205.0M0.04%−129,672−3.9%Reduced
Soroban Capital Partners LP3,061,134$195.9M1.91%+2,910,062+1,926.3%Added
D. E. Shaw & Co., Inc.2,907,161$186.0M0.19%+2,877,858+9,821.0%Added
Charles Schwab Investment Management Inc2,426,761$155.3M0.03%+58,752+2.5%Added
Royal Bank of Canada2,380,173$152.3M0.03%+814,210+52.0%Added
Elliott Investment Management L.P.SuperinvestorElliott Investment Management2,250,000$144.0M1.18%00.0%Unchanged
Deutsche Bank AG2,199,009$140.7M0.05%−1,170,322−34.7%Reduced
Bank of New York Mellon Corp2,037,166$130.4M0.02%−117,253−5.4%Reduced
Legal & General Group Plc1,910,999$122.3M0.03%−684,785−26.4%Reduced
AMF Pensionsforsakring AB1,865,535$119.4M0.79%−2,342−0.1%Reduced
Alliancebernstein L.P.1,736,767$111.1M0.04%−1,189,284−40.6%Reduced
Citigroup Inc1,577,762$101.0M0.07%+542,940+52.5%Added
BNP Paribas Arbitrage, SA1,491,100$95.4M0.07%−193,786−11.5%Reduced
Neuberger Berman Group LLC1,453,454$93.0M0.07%+724,900+99.5%Added
Parnassus Investments1,437,621$92.0M0.21%−1,115,993−43.7%Reduced
Pacer Advisors, Inc.1,380,500$88.3M0.22%+1,342,974+3,578.8%Added
LMR Partners LLP1,375,869$88.0M1.37%+389,500+39.5%Added
LSV Asset Management1,374,100$87.9M0.21%+196,140+16.7%Added
Nuveen, LLC1,368,439$87.6M0.02%+360,268+35.7%Added
Amundi1,205,656$79.3M0.03%−1,323,834−52.3%Reduced
AQR Capital Management LLC1,232,071$78.3M0.06%+784,645+175.4%Added
HSBC Holdings PLC1,147,474$73.6M0.05%−842,245−42.3%Reduced
Rokos Capital Management LLP1,093,357$69.9M1.17%+1,093,357New
Atalan Capital Partners, LP1,084,788$69.4M5.33%−525,212−32.6%Reduced
Primecap Management Co1,072,090$68.6M0.05%−49,465−4.4%Reduced
Wells Fargo & Company1,048,785$67.1M0.01%+139,958+15.4%Added
Swiss National Bank1,046,507$67.0M0.04%+71,600+7.3%Added
Capitolis Liquid Global Markets LLC1,000,000$64.0M0.47%+1,000,000New
Barclays PLC983,242$62.9M0.02%−132,458−11.9%Reduced
First Trust Advisors LP936,313$59.9M0.05%+722,702+338.3%Added
Alyeska Investment Group, L.P.907,898$58.1M0.21%−4,121,461−81.9%Reduced
Westfield Capital Management Co LP862,236$55.2M0.23%−13,507−1.5%Reduced
Artemis Investment Management LLP855,948$54.8M0.70%+20,635+2.5%Added
Point72 Asset Management, L.P.835,969$53.5M0.13%+835,969New
Mangrove Partners824,256$52.7M5.66%+824,256New
SG Americas Securities, LLC804,582$51.5M0.23%+610,527+314.6%Added
Sumitomo Mitsui Trust Holdings, Inc.800,127$51.2M0.03%+20,458+2.6%Added
Allianz Asset Management GmbH763,568$48.9M0.07%−609,400−44.4%Reduced
Castle Hook Partners LP712,683$45.6M0.67%+712,683New
Victory Capital Management Inc700,560$44.8M0.03%+574,680+456.5%Added
Park West Asset Management LLC700,000$44.8M3.42%−150,000−17.6%Reduced
Rhumbline Advisers680,301$43.5M0.04%+5,427+0.8%Added
Alta Park Capital, LP663,749$42.5M5.24%+663,749New
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.659,524$42.2M0.03%+38,294+6.2%Added
Healthcare of Ontario Pension Plan Trust Fund641,717$41.1M0.08%+384,270+149.3%Added
Glenview Capital Management, LLC600,570$38.4M1.09%−185,865−23.6%Reduced
Principal Financial Group Inc551,409$35.3M0.02%+159,749+40.8%Added
California Public Employees Retirement System546,613$35.0M0.02%+158,823+41.0%Added
Deprince Race & Zollo Inc543,243$34.8M0.72%−78,448−12.6%Reduced
Schonfeld Strategic Advisors LLC538,567$34.5M0.26%+499,364+1,273.8%Added
Bank of Montreal536,980$34.4M0.02%−457,277−46.0%Reduced
Highland Peak Capital, LLC523,239$33.5M13.69%−186,992−26.3%Reduced
Meridiem Capital Partners LP519,813$33.3M2.40%+70,796+15.8%Added
ARS Investment Partners, LLC505,283$32.3M2.36%+505,283New
Gotham Asset Management, LLC505,155$32.3M0.19%+138,302+37.7%Added
Nearwater Capital Markets, Ltd504,000$32.3M0.52%+504,000New
Bahl & Gaynor Inc491,131$31.4M0.16%+491,131New
California State Teachers Retirement System489,216$31.3M0.03%−6,520−1.3%Reduced
Two Sigma Investments, LP486,516$31.1M0.06%−105,402−17.8%Reduced
Ceredex Value Advisors LLC468,100$30.0M0.64%+468,100New
Talos Asset Management LP451,000$28.9M6.91%+451,000New
Mackenzie Financial Corp442,420$28.3M0.04%−13,278−2.9%Reduced
Russell Investments Group, Ltd.392,155$25.1M0.03%−27,665−6.6%Reduced
Loomis Sayles & Co L P381,403$24.4M0.03%+12,973+3.5%Added
Wolf Hill Capital Management, LP375,000$24.0M1.99%+375,000New
Millennium Management LLC374,336$24.0M0.02%+288,786+337.6%Added
Nomura Asset Management Co Ltd369,844$23.7M0.06%+260,426+238.0%Added
Squarepoint Ops LLC368,273$23.6M0.05%−1,316,933−78.1%Reduced
Robeco Institutional Asset Management B.V.361,709$23.1M0.04%+235,738+187.1%Added
Bank of Nova Scotia359,080$23.0M0.05%+349,832+3,782.8%Added
National Pension Service354,348$22.7M0.02%00.0%Unchanged
AXA S.A.345,424$22.1M0.06%+143,216+70.8%Added
683 Capital Management, LLC339,000$21.7M2.20%−161,000−32.2%Reduced
Worldquant Millennium Advisors LLC336,640$21.5M0.11%+336,640New
Keystone Investors Pte Ltd332,576$21.3M4.39%+332,576New
State Board of Administration of Florida Retirement System325,056$20.8M0.04%+4,150+1.3%Added