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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, Q1 2025

Institutional positions in Western Digital Corp as of Mar 31, 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
662
−41 vs. Q4 2024
Shares held
357.0M
+21.5M (+6.4%) vs. Q4 2024
Total value
$14.4B
−$5.58B (−27.9%) vs. Q4 2024
New holders
99
280 more added
Sold out
140
201 more reduced

8 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 holdersQ1 2025: 662 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 heldQ1 2025: $14.4B
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, Q1 2025

Shares, value and share of portfolio for each institution holding Western Digital Corp; share changes are against Q4 2024.

Institutions holding WDC in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Sumitomo Mitsui Trust Holdings, Inc.779,669$31.5M0.02%−62,031−7.4%Reduced
Glenview Capital Management, LLC786,435$31.8M0.79%+87,612+12.5%Added
Broad Bay Capital Management, LP819,511$33.1M4.98%+433,511+112.3%Added
Artemis Investment Management LLP835,313$33.8M0.52%−606,584−42.1%Reduced
Dendur Capital LP840,000$34.0M4.14%+346,000+70.0%Added
Park West Asset Management LLC850,000$34.4M2.81%−80,000−8.6%Reduced
Westfield Capital Management Co LP875,743$35.4M0.17%+875,743New
Parsifal Capital Management, LP897,574$36.3M3.80%+217,574+32.0%Added
Wells Fargo & Company908,827$36.7M0.01%+115,483+14.6%Added
Swiss National Bank974,907$39.4M0.03%−1,600−0.2%Reduced
LMR Partners LLP986,369$39.9M0.80%+533,691+117.9%Added
Bank of Montreal994,257$40.2M0.02%+44,158+4.6%Added
Nuveen, LLC1,008,171$40.8M0.01%+1,008,171New
Freestone Grove Partners LP1,009,697$40.8M0.42%−146,592−12.7%Reduced
Citigroup Inc1,034,822$41.8M0.03%+479,106+86.2%Added
Avala Global LP1,041,000$42.1M2.87%−383,200−26.9%Reduced
Cartenna Capital, LP1,050,000$42.5M3.42%−81,406−7.2%Reduced
Barclays PLC1,115,700$45.1M0.02%+349,058+45.5%Added
Primecap Management Co1,121,555$45.3M0.04%−37,060−3.2%Reduced
LSV Asset Management1,177,960$47.6M0.11%+216,680+22.5%Added
Canada Pension Plan Investment Board1,258,900$50.9M0.05%+1,258,900New
Goldman Sachs Group Inc1,266,204$51.2M0.01%+536,856+73.6%Added
Allianz Asset Management GmbH1,372,968$55.5M0.08%−27,667−2.0%Reduced
Royal Bank of Canada1,565,963$63.3M0.01%+26,533+1.7%Added
Atalan Capital Partners, LP1,610,000$65.1M6.19%+560,000+53.3%Added
BNP Paribas Arbitrage, SA1,684,886$68.1M0.05%+349,471+26.2%Added
Squarepoint Ops LLC1,685,206$68.1M0.17%−298,965−15.1%Reduced
Sachem Head Capital Management LP1,845,000$74.6M2.99%−1,122,900−37.8%Reduced
AMF Pensionsforsakring AB1,867,877$75.5M0.56%+288,459+18.3%Added
HSBC Holdings PLC1,989,719$79.3M0.05%+371,556+23.0%Added
Amundi2,529,490$86.4M0.03%+934,222+58.6%Added
Bank of New York Mellon Corp2,154,419$87.1M0.02%−20,021−0.9%Reduced
Balyasny Asset Management LLC2,242,487$90.7M0.23%+2,232,544+22,453.4%Added
Elliott Investment Management L.P.SuperinvestorElliott Investment Management2,250,000$91.0M0.82%00.0%Unchanged
Charles Schwab Investment Management Inc2,368,009$95.7M0.02%−9,352−0.4%Reduced
Parnassus Investments2,553,614$103.2M0.25%−426,433−14.3%Reduced
Legal & General Group Plc2,595,784$104.9M0.03%+88,776+3.5%Added
Alliancebernstein L.P.2,926,051$118.3M0.04%−367,551−11.2%Reduced
Dimensional Fund Advisors LP2,933,278$118.6M0.03%+216,387+8.0%Added
Maple Rock Capital Partners Inc.3,189,796$129.0M9.41%+205,896+6.9%Added
UBS Asset Management Americas Inc3,332,954$134.8M0.03%−1,259,562−27.4%Reduced
Deutsche Bank AG3,369,331$136.2M0.05%+1,742,481+107.1%Added
Northern Trust Corp3,449,811$139.5M0.02%+52,140+1.5%Added
Citadel Advisors LLC3,896,932$157.6M0.15%+1,008,691+34.9%Added
Alyeska Investment Group, L.P.5,029,359$203.3M0.81%+2,842,822+130.0%Added
Norges Bank5,034,811$203.6M0.03%−877,857−14.8%Reduced
Holocene Advisors, LP5,104,553$206.4M0.61%+2,090,302+69.3%Added
Price T Rowe Associates Inc5,503,204$222.5M0.03%−3,530,601−39.1%Reduced
DnB Asset Management AS5,576,463$225.5M1.04%−2,156,675−27.9%Reduced
Invesco Ltd.5,760,681$232.9M0.04%+1,756,208+43.9%Added
Morgan Stanley6,528,076$263.9M0.02%+1,638,585+33.5%Added
FIL Ltd7,573,488$306.2M0.29%+5,370,861+243.8%Added
Slate Path Capital LP7,670,891$310.1M5.60%+976,488+14.6%Added
Ameriprise Financial Inc7,906,087$319.6M0.09%+1,353,799+20.7%Added
Geode Capital Management, LLC9,119,259$367.5M0.03%+373,995+4.3%Added
State Street Corp14,896,217$602.3M0.02%+111,667+0.8%Added
UBS Group AG17,089,249$690.9M0.15%+8,999,414+111.2%Added
Bank of America Corp18,236,463$737.3M0.07%+2,026,414+12.5%Added
JPMorgan Chase & Co19,899,012$804.5M0.06%−3,487,059−14.9%Reduced
FMR LLC27,541,409$1.11B0.07%+3,974,498+16.9%Added
BlackRock, Inc.30,047,720$1.21B0.03%+1,738,028+6.1%Added
Vanguard Group Inc42,938,495$1.74B0.03%+478,728+1.1%Added
Proequities, Inc.0$00.00%−733−100.0%Sold out
59 North Capital Management, LP0$00.00%−2,542,686−100.0%Sold out
Davidson Kempner Capital Management LP0$00.00%−1,449,309−100.0%Sold out
Kodai Capital Management LP0$00.00%−1,269,072−100.0%Sold out
Clearbridge Investments, LLC0$00.00%−1,225,201−100.0%Sold out
Samlyn Capital, LLC0$00.00%−1,190,076−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−571,496−100.0%Sold out
Duquesne Family Office LLCSuperinvestorDuquesne Family Office0$00.00%−417,160−100.0%Sold out
BTG Pactual Asset Management US LLC0$00.00%−400,000−100.0%Sold out
Twinbeech Capital LP0$00.00%−379,979−100.0%Sold out
Nwi Management LP0$00.00%−360,000−100.0%Sold out
SRS Investment Management, LLC0$00.00%−285,837−100.0%Sold out
CastleKnight Management LP0$00.00%−210,700−100.0%Sold out
Rokos Capital Management LLP0$00.00%−141,314−100.0%Sold out
Portolan Capital Management, LLC0$00.00%−129,245−100.0%Sold out
Zweig-DiMenna Associates LLC0$00.00%−127,509−100.0%Sold out
Mizuho Markets Americas LLC0$00.00%−117,300−100.0%Sold out
Crestline Management, LP0$00.00%−112,982−100.0%Sold out
Woodline Partners LP0$00.00%−100,610−100.0%Sold out
O'Brien Greene & Co. Inc0$00.00%−99,672−100.0%Sold out
Ossiam0$00.00%−99,224−100.0%Sold out
Greenland Capital Management LP0$00.00%−95,162−100.0%Sold out
Jain Global LLC0$00.00%−83,273−100.0%Sold out
Fieldview Capital Management, LLC0$00.00%−74,676−100.0%Sold out
Edmond de Rothschild Holding S.A.0$00.00%−73,048−100.0%Sold out
Pinebridge Investments, L.P.0$00.00%−71,103−100.0%Sold out
Mirabella Financial Services LLP0$00.00%−58,400−100.0%Sold out
Hampton Road Capital Management LP0$00.00%−38,424−100.0%Sold out
Virtu Financial LLC0$00.00%−34,451−100.0%Sold out
Diametric Capital, LP0$00.00%−33,016−100.0%Sold out
Bayesian Capital Management, LP0$00.00%−31,600−100.0%Sold out
Sender Co & Partners, Inc.0$00.00%−30,606−100.0%Sold out
Twin Capital Management Inc0$00.00%−28,132−100.0%Sold out
Andra AP-fonden0$00.00%−26,400−100.0%Sold out
Axq Capital, LP0$00.00%−25,265−100.0%Sold out
AREX Capital Management, LP0$00.00%−22,500−100.0%Sold out
Versor Investments LP0$00.00%−22,401−100.0%Sold out
Beaconlight Capital, LLC0$00.00%−21,971−100.0%Sold out