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 2025
Institutional positions in Western Digital Corp as of Dec 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
- 1,175
- +238 vs. Q3 2025
- Shares held
- 341.9M
- −3.07M (−0.9%) vs. Q3 2025
- Total value
- $58.9B
- +$17.5B (+42.3%) vs. Q3 2025
- New holders
- 309
- 407 more added
- Sold out
- 71
- 360 more reduced
24 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1,852 | $206.3B |
| Q1 2026 | 1,422 | $90.0B |
| Q4 2025 | 1,175 | $58.9B |
| Q3 2025 | 961 | $41.5B |
| Q2 2025 | 750 | $23.4B |
| Q1 2025 | 662 | $14.4B |
| Q4 2024 | 711 | $20.1B |
| Q3 2024 | 698 | $22.1B |
| Q2 2024 | 759 | $25.4B |
| Q1 2024 | 683 | $20.7B |
| Q4 2023 | 610 | $15.8B |
| Q3 2023 | 543 | $12.7B |
| Q2 2023 | 538 | $10.2B |
| Q1 2023 | 540 | $10.2B |
| Q4 2022 | 529 | $8.72B |
| Q3 2022 | 579 | $8.97B |
| Q2 2022 | 632 | $12.0B |
| Q1 2022 | 649 | $12.5B |
| Q4 2021 | 696 | $16.5B |
| Q3 2021 | 634 | $14.1B |
| Q2 2021 | 686 | $17.6B |
| Q1 2021 | 672 | $16.3B |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Western Digital Corp; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Resona Asset Management Co.,Ltd. | 107,683 | $18.7M | 0.09% | −6,459−5.7% | Reduced |
| Guggenheim Capital LLC | 108,429 | $18.7M | 0.14% | +78,267+259.5% | Added |
| DekaBank Deutsche Girozentrale | 240,010 | $18.6M | 0.03% | 00.0% | Unchanged |
| Creative Planning | 106,858 | $18.4M | 0.01% | +27,316+34.3% | Added |
| Susquehanna Fundamental Investments, LLC | 105,654 | $18.2M | 0.62% | 00.0% | Unchanged |
| State of Michigan Retirement System | 103,657 | $17.9M | 0.09% | −6,100−5.6% | Reduced |
| CWM, LLC | 102,527 | $17.7M | 0.05% | +20,218+24.6% | Added |
| Caption Management, LLC | 102,200 | $17.6M | 0.78% | +6,000+6.2% | Added |
| Nisa Investment Advisors, LLC | 101,484 | $17.5M | 0.06% | +1,416+1.4% | Added |
| Melqart Asset Management (UK) Ltd | 99,431 | $17.1M | 1.71% | −88,191−47.0% | Reduced |
| Nordea Investment Management AB | 98,062 | $17.1M | 0.01% | +29,060+42.1% | Added |
| Parallax Volatility Advisers, L.P. | 97,217 | $16.7M | 0.52% | +60,186+162.5% | Added |
| Mediolanum International Funds Ltd | 95,094 | $16.7M | 0.17% | +31,971+50.6% | Added |
| Wealth Enhancement Advisory Services, LLC | 74,859 | $16.7M | 0.02% | +9,112+13.9% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 96,743 | $16.7M | 0.13% | +5,296+5.8% | Added |
| Arizona State Retirement System | 95,602 | $16.5M | 0.09% | −7,411−7.2% | Reduced |
| Nissay Asset Management Corp | 95,175 | $16.4M | 0.09% | +49,256+107.3% | Added |
| Cetera Investment Advisers | 94,554 | $16.3M | 0.02% | +21,832+30.0% | Added |
| US Bancorp | 94,122 | $16.2M | 0.02% | −627−0.7% | Reduced |
| Pacer Advisors, Inc. | 93,775 | $16.2M | 0.04% | +28,443+43.5% | Added |
| Highland Peak Capital, LLC | 93,454 | $16.1M | 6.21% | −63,798−40.6% | Reduced |
| Engineers Gate Manager LP | 92,344 | $15.9M | 0.19% | +61,910+203.4% | Added |
| Walleye Trading LLC | 91,508 | $15.8M | 0.25% | +45,216+97.7% | Added |
| Ensign Peak Advisors, Inc | 90,607 | $15.6M | 0.03% | −20,335−18.3% | Reduced |
| Czech National Bank | 90,154 | $15.5M | 0.10% | +2,043+2.3% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 89,997 | $15.5M | 0.03% | −2,079−2.3% | Reduced |
| Los Angeles Capital Management LLC | 111,481 | $15.4M | 0.05% | +14,885+15.4% | Added |
| CIBC World Markets Corp | 88,744 | $15.3M | 0.08% | +88,744 | New |
| Meridiem Capital Partners LP | 87,524 | $15.1M | 0.95% | +87,524 | New |
| Sienna Gestion | 85,981 | $15.1M | 0.91% | 00.0% | Unchanged |
| iA Global Asset Management Inc. | 86,911 | $15.0M | 0.19% | +37,969+77.6% | Added |
| Advisor Group Holdings, Inc. | 86,612 | $14.9M | 0.02% | +21,573+33.2% | Added |
| Daiwa Securities Group Inc. | 86,613 | $14.9M | 0.05% | +27,156+45.7% | Added |
| Commonwealth Equity Services, LLC | 85,741 | $14.8M | 0.02% | +66,107+336.7% | Added |
| Robotti Robert | 84,833 | $14.6M | 2.62% | −1,072−1.2% | Reduced |
| Zweig-DiMenna Associates LLC | 83,138 | $14.3M | 1.02% | −5,862−6.6% | Reduced |
| Oddo BHF Asset Management SAS | 82,610 | $14.2M | 0.53% | +39,672+92.4% | Added |
| Cavalier Investments, LLC | 81,980 | $14.1M | 4.39% | +81,980 | New |
| MetLife Investment Management | 81,932 | $14.1M | 0.07% | −4,129−4.8% | Reduced |
| Belvedere Trading LLC | 81,704 | $14.1M | 2.61% | +75,472+1,211.0% | Added |
| Banco Bilbao Vizcaya Argentaria, S.A. | 81,173 | $14.0M | 0.10% | −3,461−4.1% | Reduced |
| Harvest Fund Management Co., Ltd | 86,264 | $13.8M | 0.52% | +66,044+326.6% | Added |
| Permit Capital, LLC | 80,000 | $13.8M | 4.29% | −20,000−20.0% | Reduced |
| Boothbay Fund Management, LLC | 79,810 | $13.7M | 0.36% | −26,004−24.6% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 79,528 | $13.7M | 0.07% | −3,781−4.5% | Reduced |
| Chapin Davis, Inc. | 78,389 | $13.5M | 3.16% | −2,343−2.9% | Reduced |
| MML Investors Services, LLC | 78,261 | $13.5M | 0.03% | +16,997+27.7% | Added |
| FIL Ltd | 76,882 | $13.2M | 0.01% | −774,058−91.0% | Reduced |
| Two Sigma Advisers, LP | 76,200 | $13.1M | 0.03% | −337,600−81.6% | Reduced |
| Varma Mutual Pension Insurance Co | 76,100 | $13.1M | 0.08% | +76,100 | New |
| Parkwood LLC | 74,540 | $12.8M | 1.09% | +74,540 | New |
| IFM Investors Pty Ltd | 72,988 | $12.6M | 0.10% | +2,337+3.3% | Added |
| Retirement Systems of Alabama | 72,734 | $12.5M | 0.04% | −1,270−1.7% | Reduced |
| Knightsbridge Asset Management, LLC | 72,415 | $12.5M | 2.01% | −35,298−32.8% | Reduced |
| Bridgewater Associates, LP | 72,339 | $12.5M | 0.05% | +20,376+39.2% | Added |
| Twin Tree Management, LP | 70,982 | $12.2M | 1.25% | −96,220−57.5% | Reduced |
| CIBC Private Wealth Group, LLC | 69,285 | $11.9M | 0.02% | −22,142−24.2% | Reduced |
| Group One Trading, L.P. | 68,783 | $11.8M | 0.35% | +45,805+199.3% | Added |
| MIG Capital, LLC | 67,406 | $11.6M | 1.97% | 00.0% | Unchanged |
| Amalgamated Bank | 67,281 | $11.6M | 0.08% | +1,517+2.3% | Added |
| UniSuper Management Pty Ltd | 66,777 | $11.5M | 0.07% | −10,940−14.1% | Reduced |
| S&T Bank | 66,592 | $11.5M | 3.63% | −13,527−16.9% | Reduced |
| Macquarie Group Ltd | 66,491 | $11.5M | 0.05% | −496,900−88.2% | Reduced |
| DnB Asset Management AS | 66,485 | $11.5M | 0.04% | −851,978−92.8% | Reduced |
| Rakuten Investment Management, Inc. | 63,644 | $11.4M | 0.04% | −61,864−49.3% | Reduced |
| Jupiter Asset Management Ltd | 66,193 | $11.4M | 0.09% | +66,193 | New |
| John G Ullman & Associates Inc | 64,308 | $11.1M | 1.48% | −11,750−15.4% | Reduced |
| Federation des caisses Desjardins du Quebec | 64,099 | $11.0M | 0.04% | −20,750−24.5% | Reduced |
| British Columbia Investment Management Corp | 61,561 | $10.6M | 0.06% | +11,425+22.8% | Added |
| FORA Capital, LLC | 61,385 | $10.6M | 1.28% | +38,391+167.0% | Added |
| Deeter Investments LLP | 61,314 | $10.6M | 2.28% | +61,314 | New |
| QRG Capital Management, Inc. | 61,138 | $10.5M | 0.12% | +39,926+188.2% | Added |
| JustInvest LLC | 60,987 | $10.5M | 0.10% | +2,228+3.8% | Added |
| Polymer Capital Management (HK) LTD | 60,883 | $10.5M | 1.63% | −101,679−62.5% | Reduced |
| The PNC Financial Services Group, Inc. | 60,620 | $10.4M | 0.01% | +3,214+5.6% | Added |
| Weiss Asset Management LP | 60,510 | $10.4M | 0.15% | +48,420+400.5% | Added |
| American Assets Investment Management, LLC | 60,000 | $10.3M | 0.71% | 00.0% | Unchanged |
| GF Fund Management Co. Ltd. | 59,919 | $10.3M | 0.18% | −5,274−8.1% | Reduced |
| CI Private Wealth, LLC | 59,679 | $10.3M | 0.01% | +1,409+2.4% | Added |
| Credit Agricole S A | 58,847 | $10.1M | 0.03% | −83,146−58.6% | Reduced |
| Walleye Capital LLC | 58,171 | $10.0M | 0.06% | −115,918−66.6% | Reduced |
| L & S Advisors Inc | 56,934 | $9.81M | 0.91% | −59,411−51.1% | Reduced |
| Utah Retirement Systems | 56,756 | $9.78M | 0.09% | −248−0.4% | Reduced |
| Xponance, Inc. | 56,513 | $9.74M | 0.07% | +1,383+2.5% | Added |
| Rockefeller Capital Management L.P. | 56,391 | $9.71M | 0.02% | +9,615+20.6% | Added |
| Entropy Technologies, LP | 56,381 | $9.71M | 0.53% | +5,749+11.4% | Added |
| PensionDanmark Pensionsforsikringsaktieselskab | 55,593 | $9.58M | 0.09% | +55,593 | New |
| Sanctuary Advisors, LLC | 54,939 | $9.46M | 0.05% | +8,913+19.4% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 54,466 | $9.38M | 0.08% | −600−1.1% | Reduced |
| Comerica Bank | 53,608 | $9.24M | 0.04% | −10,731−16.7% | Reduced |
| Toroso Investments, LLC | 53,016 | $9.13M | 0.04% | −3,347−5.9% | Reduced |
| Banque Cantonale Vaudoise | 52,882 | $9.11M | 0.33% | +33,158+168.1% | Added |
| Police & Firemen's Retirement System of New Jersey | 52,145 | $8.98M | 0.07% | −3,641−6.5% | Reduced |
| CIBC World Markets Inc. | 51,887 | $8.94M | 0.02% | +5,153+11.0% | Added |
| Grand Alliance Asset Management Ltd | 51,000 | $8.79M | 6.39% | +34,000+200.0% | Added |
| Public Sector Pension Investment Board | 50,058 | $8.62M | 0.03% | −243,182−82.9% | Reduced |
| Munich Reinsurance Co Stock Corp in Munich | 47,940 | $8.44M | 0.21% | −43,205−47.4% | Reduced |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 48,461 | $8.35M | 0.15% | −7,130−12.8% | Reduced |
| Yousif Capital Management, LLC | 37,303 | $8.32M | 0.09% | −3,620−8.8% | Reduced |
| Allspring Global Investments Holdings, LLC | 43,392 | $8.14M | 0.01% | +26,531+157.4% | Added |