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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 2023

Institutional positions in Western Digital Corp as of Mar 31, 2023. 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
540
+25 vs. Q4 2022
Shares held
272.1M
−3.20M (−1.2%) vs. Q4 2022
Total value
$10.2B
+$1.54B (+17.7%) vs. Q4 2022
New holders
80
167 more added
Sold out
55
196 more reduced

14 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2022: 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 2023: 540 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 2023: $10.2B
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 2023

Shares, value and share of portfolio for each institution holding Western Digital Corp; share changes are against Q4 2022.

Institutions holding WDC in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc37,718,257$1.42B0.04%+376,635+1.0%Added
BlackRock Inc.25,290,220$952.7M0.03%−444,062−1.7%Reduced
Price T Rowe Associates Inc22,595,297$851.2M0.13%+1,931,325+9.3%Added
State Street Corp12,798,525$482.1M0.03%+404,895+3.3%Added
Nomura Holdings Inc10,606,474$399.5M3.90%+7,691,896+263.9%Added
Victory Capital Management Inc9,427,145$355.1M0.40%+5,314,519+129.2%Added
Millennium Management LLC8,100,440$305.1M0.35%+4,992,612+160.6%Added
Geode Capital Management, LLC6,829,671$256.7M0.03%+14,928+0.2%Added
Invesco Ltd.5,622,394$211.8M0.06%−285,645−4.8%Reduced
Ameriprise Financial Inc5,415,732$204.0M0.07%−153,641−2.8%Reduced
Alliancebernstein L.P.5,195,541$195.7M0.08%+658,558+14.5%Added
Barclays PLC5,078,361$191.3M0.20%+944,940+22.9%Added
Parnassus Investments4,515,231$170.1M0.42%−75,297−1.6%Reduced
DnB Asset Management AS4,425,915$166.7M1.06%−1,354,494−23.4%Reduced
UBS Group AG3,746,904$141.1M0.07%−1,050,140−21.9%Reduced
Dimensional Fund Advisors LP3,407,826$128.4M0.04%−134,217−3.8%Reduced
Lyrical Asset Management LP3,378,210$127.3M2.48%−45,430−1.3%Reduced
Northern Trust Corp3,260,316$122.8M0.02%+21,675+0.7%Added
Amundi3,284,144$115.1M0.06%+839,986+34.4%Added
Charles Schwab Investment Management Inc2,913,497$109.8M0.03%+62,205+2.2%Added
Boston Partners2,822,170$106.3M0.15%−147,390−5.0%Reduced
Bank of New York Mellon Corp2,793,449$105.2M0.02%−40,500−1.4%Reduced
FIL Ltd2,704,101$101.9M0.12%−3,531,503−56.6%Reduced
Clearbridge Investments, LLC2,604,828$98.1M0.09%+208,500+8.7%Added
Norges Bank2,551,503$96.1M0.02%−271,767−9.6%Reduced
Legal & General Group Plc2,527,888$95.2M0.03%+7,797+0.3%Added
Primecap Management Co2,415,076$91.0M0.08%−278,528−10.3%Reduced
Morgan Stanley2,412,573$90.9M0.01%−1,315,367−35.3%Reduced
Maple Rock Capital Partners Inc.2,044,101$77.0M7.55%+98,200+5.0%Added
Jacobs Levy Equity Management, Inc1,885,682$71.0M0.44%+77,312+4.3%Added
FIFTHDELTA Ltd1,874,500$70.6M4.63%+1,874,500New
Bank of America Corp1,734,510$65.3M0.01%+415,166+31.5%Added
CDAM (UK) Ltd1,621,189$61.1M8.94%00.0%Unchanged
UBS Asset Management Americas Inc1,618,517$61.0M0.03%−91,067−5.3%Reduced
FMR LLC1,474,931$55.6M0.01%−578,925−28.2%Reduced
Hudson Bay Capital Management LP1,425,000$53.7M0.58%00.0%Unchanged
Thompson Siegel & Walmsley LLC1,383,397$52.1M0.84%−64,533−4.5%Reduced
Swiss National Bank1,260,707$47.5M0.03%−17,500−1.4%Reduced
Royal Bank of Canada1,256,361$47.3M0.01%−1,982,352−61.2%Reduced
Alyeska Investment Group, L.P.1,248,395$47.0M0.42%−1,305,105−51.1%Reduced
Thunderbird Partners LLP1,188,480$44.8M11.24%−298,437−20.1%Reduced
Elliott Investment Management L.P.SuperinvestorElliott Investment Management1,185,000$44.6M0.55%00.0%Unchanged
Natixis1,161,590$43.8M0.40%+569,599+96.2%Added
First Trust Advisors LP1,118,016$42.1M0.05%+109,916+10.9%Added
Schroder Investment Management Group1,031,248$38.8M0.06%+27,565+2.7%Added
Goldman Sachs Group Inc970,158$36.5M0.01%+256,691+36.0%Added
Sumitomo Mitsui Trust Holdings, Inc.896,815$33.8M0.03%−88,260−9.0%Reduced
Ossiam886,337$33.4M0.69%+882,216+21,407.8%Added
Nuveen Asset Management, LLC841,532$31.7M0.01%+521+0.1%Added
Susquehanna International Group, LLP826,187$31.1M0.05%+139,242+20.3%Added
Citadel Advisors LLC824,293$31.1M0.03%−1,129,135−57.8%Reduced
Credit Suisse AG823,086$31.0M0.03%+2,823+0.3%Added
AustralianSuper Pty Ltd799,845$30.1M0.21%−44,989−5.3%Reduced
Marshall Wace, LLP788,779$29.7M0.07%+759,192+2,566.0%Added
Deprince Race & Zollo Inc705,731$26.6M0.62%−12,134−1.7%Reduced
Deutsche Bank AG699,525$26.4M0.01%+7,882+1.1%Added
National Bank of Canada681,157$25.7M0.07%−1,044,825−60.5%Reduced
Grantham, Mayo, Van Otterloo & Co. LLC669,000$25.2M0.13%−40,500−5.7%Reduced
HSBC Holdings PLC648,127$24.4M0.03%−1,206,084−65.0%Reduced
Balyasny Asset Management LLC639,978$24.1M0.08%+639,978New
Jane Street Group, LLC638,853$24.1M0.04%+268,610+72.5%Added
Rhumbline Advisers614,073$23.1M0.03%−2,660−0.4%Reduced
California Public Employees Retirement System603,738$22.7M0.02%−86,607−12.5%Reduced
Intech Investment Management LLC576,421$21.7M0.18%−11,744−2.0%Reduced
Wells Fargo & Company568,890$21.4M0.01%−11,666−2.0%Reduced
Assenagon Asset Management S.A.565,641$21.3M0.08%+17,489+3.2%Added
Russell Investments Group, Ltd.536,938$20.2M0.04%−342,697−39.0%Reduced
California State Teachers Retirement System524,723$19.8M0.03%−1,219−0.2%Reduced
Storebrand Asset Management AS483,654$18.2M0.09%−3,559−0.7%Reduced
Walleye Capital LLC472,358$17.8M0.36%+472,358New
Renaissance Technologies LLC470,833$17.7M0.02%+366,351+350.6%Added
BNP Paribas Arbitrage, SA455,525$17.2M0.04%+278+0.1%Added
State of Tennessee, Treasury Department427,334$16.1M0.07%+51,554+13.7%Added
Citigroup Inc422,713$15.9M0.02%−171,584−28.9%Reduced
JPMorgan Chase & Co422,554$15.9M0.00%−106,951−20.2%Reduced
Prudential Financial Inc370,532$15.5M0.02%−34,389−8.5%Reduced
Nexus Investment Management ULC410,988$15.5M1.71%+17,930+4.6%Added
Principal Financial Group Inc391,046$14.7M0.01%+9,431+2.5%Added
Toronto Dominion Bank388,044$14.6M0.02%−1,412,178−78.4%Reduced
State Board of Administration of Florida Retirement System382,071$14.4M0.03%00.0%Unchanged
Walleye Trading LLC379,459$14.3M0.51%+149,609+65.1%Added
Cubist Systematic Strategies, LLC362,332$13.6M0.13%−13,182−3.5%Reduced
Bank of Montreal355,597$13.5M0.01%+167,705+89.3%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.352,455$13.3M0.05%+314,126+819.6%Added
M&G Investment Management Ltd333,990$12.7M0.09%+67,735+25.4%Added
Adage Capital Partners GP, L.L.C.319,737$12.0M0.03%−3,400−1.1%Reduced
New York State Teachers Retirement System318,722$12.0M0.03%−13,154−4.0%Reduced
Two Sigma Investments, LP313,821$11.8M0.04%+267,321+574.9%Added
South Dakota Investment Council313,482$11.8M0.25%00.0%Unchanged
New York State Common Retirement Fund297,506$11.2M0.02%−32,043−9.7%Reduced
Squarepoint Ops LLC293,345$11.1M0.08%−313,704−51.7%Reduced
Goodman Financial Corp276,543$10.4M3.02%+6,485+2.4%Added
Robeco Institutional Asset Management B.V.269,192$10.1M0.03%−107,911−28.6%Reduced
APG Asset Management N.V.285,563$9.90M0.02%−42,350−12.9%Reduced
Redwood Grove Capital, LLC260,993$9.83M4.68%00.0%Unchanged
Great West Life Assurance Co254,160$9.59M0.02%+23,856+10.4%Added
Skandinaviska Enskilda Banken AB (publ)250,669$9.44M0.07%−82,054−24.7%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.246,999$9.30M0.02%+30,197+13.9%Added
Guyasuta Investment Advisors Inc243,415$9.17M0.71%−1,590−0.6%Reduced
IPG Investment Advisors LLC241,370$9.09M2.08%+241,370New