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 |
|---|---|---|---|---|---|
| Neuberger Berman Group LLC | 425,789 | $73.4M | 0.05% | −942,602−68.9% | Reduced |
| SEI Investments Co | 471,197 | $81.2M | 0.08% | +11,323+2.5% | Added |
| Gotham Asset Management, LLC | 506,754 | $87.3M | 0.32% | −24,980−4.7% | Reduced |
| Mackenzie Financial Corp | 503,294 | $88.4M | 0.10% | +195,574+63.6% | Added |
| Squarepoint Ops LLC | 522,290 | $90.0M | 0.18% | −6,123−1.2% | Reduced |
| Parnassus Investments | 523,497 | $90.2M | 0.23% | −375,363−41.8% | Reduced |
| California State Teachers Retirement System | 544,524 | $93.8M | 0.09% | +29,881+5.8% | Added |
| Victory Capital Management Inc | 587,498 | $101.2M | 0.06% | +10,669+1.8% | Added |
| Wolf Hill Capital Management, LP | 590,395 | $101.7M | 11.85% | −22,261−3.6% | Reduced |
| Envestnet Asset Management Inc | 593,273 | $102.2M | 0.03% | +12,666+2.2% | Added |
| Caisse de Depot Et Placement du Quebec | 593,296 | $102.2M | 0.17% | +499,510+532.6% | Added |
| KBC Group NV | 597,009 | $102.8M | 0.23% | +373,199+166.7% | Added |
| ProShare Advisors LLC | 618,061 | $106.5M | 0.19% | +527,359+581.4% | Added |
| First Trust Advisors LP | 627,179 | $108.0M | 0.08% | +135,885+27.7% | Added |
| Rhumbline Advisers | 635,036 | $109.4M | 0.09% | −33,676−5.0% | Reduced |
| Worldquant Millennium Advisors LLC | 641,925 | $110.6M | 0.43% | −653,004−50.4% | Reduced |
| Atalan Capital Partners, LP | 705,400 | $121.5M | 8.65% | −405,388−36.5% | Reduced |
| LSV Asset Management | 744,412 | $128.2M | 0.28% | −766,800−50.7% | Reduced |
| Primecap Management Co | 753,540 | $129.8M | 0.10% | −211,530−21.9% | Reduced |
| California Public Employees Retirement System | 798,760 | $137.6M | 0.08% | +216,898+37.3% | Added |
| Soroban Capital Partners LP | 1,146,273 | $137.6M | 1.01% | 00.0% | Unchanged |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 751,202 | $141.0M | 0.10% | +46,072+6.5% | Added |
| Wells Fargo & Company | 865,796 | $149.2M | 0.03% | +63,011+7.8% | Added |
| Trivest Advisors Ltd | 875,000 | $150.7M | 6.88% | −45,000−4.9% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 887,059 | $152.8M | 0.09% | +79,418+9.8% | Added |
| Polar Capital Holdings Plc | 913,192 | $157.3M | 0.72% | −934,216−50.6% | Reduced |
| Holocene Advisors, LP | 934,982 | $161.1M | 0.34% | −1,335,428−58.8% | Reduced |
| Swiss National Bank | 950,807 | $163.8M | 0.10% | −54,900−5.5% | Reduced |
| Renaissance Technologies LLC | 992,533 | $171.0M | 0.27% | −156,229−13.6% | Reduced |
| Principal Financial Group Inc | 992,731 | $171.0M | 0.09% | +175,668+21.5% | Added |
| Prudential Financial Inc | 1,019,153 | $175.6M | 0.21% | +555,124+119.6% | Added |
| Nomura Asset Management International Inc. | 1,025,447 | $176.7M | 0.27% | +1,025,447 | New |
| Bank of Montreal | 1,031,052 | $177.6M | 0.07% | −535,488−34.2% | Reduced |
| Capital World Investors | 1,063,607 | $183.2M | 0.02% | +1,063,607 | New |
| Nomura Asset Management Co Ltd | 1,122,095 | $193.3M | 0.49% | +282,156+33.6% | Added |
| Bank of Nova Scotia | 1,128,963 | $194.5M | 0.29% | +431,265+61.8% | Added |
| HSBC Holdings PLC | 1,267,785 | $218.1M | 0.12% | −611,777−32.5% | Reduced |
| Citadel Advisors LLC | 1,319,766 | $227.4M | 0.15% | −2,407,840−64.6% | Reduced |
| Castle Hook Partners LP | 1,325,670 | $228.4M | 3.28% | −426,733−24.4% | Reduced |
| Citigroup Inc | 1,359,209 | $234.2M | 0.16% | −425,624−23.8% | Reduced |
| Robeco Institutional Asset Management B.V. | 1,376,751 | $237.2M | 0.34% | +594,003+75.9% | Added |
| BNP Paribas Arbitrage, SA | 1,398,080 | $240.8M | 0.15% | −277,881−16.6% | Reduced |
| Barclays PLC | 1,526,384 | $263.0M | 0.11% | +298,897+24.4% | Added |
| Alliancebernstein L.P. | 1,629,027 | $280.6M | 0.09% | −318,340−16.3% | Reduced |
| National Pension Service | 1,691,659 | $291.4M | 0.22% | +1,231,477+267.6% | Added |
| AMF Pensionsforsakring AB | 1,767,959 | $304.6M | 1.89% | −44,505−2.5% | Reduced |
| Royal Bank of Canada | 1,983,053 | $341.6M | 0.06% | +760,684+62.2% | Added |
| Legal & General Group Plc | 2,033,555 | $350.3M | 0.08% | −65,063−3.1% | Reduced |
| Bank of New York Mellon Corp | 2,073,036 | $357.1M | 0.06% | +117,340+6.0% | Added |
| Deutsche Bank AG | 2,231,609 | $384.4M | 0.13% | −809,936−26.6% | Reduced |
| Charles Schwab Investment Management Inc | 2,266,709 | $390.5M | 0.06% | −99,165−4.2% | Reduced |
| Maple Rock Capital Partners Inc. | 2,381,525 | $410.3M | 13.55% | −207,800−8.0% | Reduced |
| Amundi | 2,399,736 | $413.4M | 0.11% | +1,108,237+85.8% | Added |
| Price T Rowe Associates Inc | 2,611,856 | $449.9M | 0.05% | +44,090+1.7% | Added |
| Fred Alger Management, LLC | 2,684,341 | $462.4M | 1.81% | −722,701−21.2% | Reduced |
| UBS Asset Management Americas Inc | 2,809,409 | $484.0M | 0.10% | +159,167+6.0% | Added |
| AQR Capital Management LLC | 2,972,703 | $512.1M | 0.27% | +1,228,661+70.4% | Added |
| Dimensional Fund Advisors LP | 3,565,342 | $614.3M | 0.13% | −239,565−6.3% | Reduced |
| Northern Trust Corp | 3,671,955 | $632.6M | 0.08% | −133,508−3.5% | Reduced |
| UBS Group AG | 4,550,821 | $784.0M | 0.16% | −2,779,175−37.9% | Reduced |
| Goldman Sachs Group Inc | 4,559,713 | $785.5M | 0.11% | +2,054,059+82.0% | Added |
| Nuveen, LLC | 4,563,476 | $786.2M | 0.21% | +2,010,258+78.7% | Added |
| Norges Bank | 4,578,446 | $788.7M | 0.08% | +4,578,446 | New |
| D. E. Shaw & Co., Inc. | 5,701,318 | $982.2M | 0.75% | −3,923,998−40.8% | Reduced |
| WCM Investment Management, LLC | 6,691,209 | $1.18B | 2.43% | −87,251−1.3% | Reduced |
| Ameriprise Financial Inc | 8,520,425 | $1.47B | 0.33% | −162,894−1.9% | Reduced |
| Morgan Stanley | 8,944,662 | $1.54B | 0.09% | +542,040+6.5% | Added |
| Geode Capital Management, LLC | 9,282,432 | $1.59B | 0.10% | −132,086−1.4% | Reduced |
| Bank of America Corp | 12,044,651 | $2.07B | 0.15% | −10,316,359−46.1% | Reduced |
| Invesco Ltd. | 13,136,498 | $2.26B | 0.21% | +8,701,422+196.2% | Added |
| JPMorgan Chase & Co | 14,295,965 | $2.46B | 0.17% | +2,275,855+18.9% | Added |
| State Street Corp | 15,695,954 | $2.70B | 0.09% | +234,097+1.5% | Added |
| FMR LLC | 33,793,801 | $5.82B | 0.30% | +10,037,079+42.2% | Added |
| BlackRock, Inc. | 35,509,518 | $6.12B | 0.10% | +794,667+2.3% | Added |
| Vanguard Group Inc | 42,348,660 | $7.30B | 0.11% | −933,733−2.2% | Reduced |
| Rokos Capital Management LLP | 0 | $0 | 0.00% | −870,742−100.0% | Sold out |
| Empowered Funds, LLC | 0 | $0 | 0.00% | −502,089−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −418,781−100.0% | Sold out |
| Samlyn Capital, LLC | 0 | $0 | 0.00% | −393,626−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −279,760−100.0% | Sold out |
| Anatole Investment Management Ltd | 0 | $0 | 0.00% | −271,300−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −254,768−100.0% | Sold out |
| Dendur Capital LP | 0 | $0 | 0.00% | −162,000−100.0% | Sold out |
| Tairen Capital Ltd | 0 | $0 | 0.00% | −150,000−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −143,212−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −121,308−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −107,328−100.0% | Sold out |
| SeaTown Holdings Pte. Ltd. | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| PDT Partners, LLC | 0 | $0 | 0.00% | −96,400−100.0% | Sold out |
| Achmea Investment Management B.V. | 0 | $0 | 0.00% | −76,371−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −64,773−100.0% | Sold out |
| Cobalt Capital Management, Inc. | 0 | $0 | 0.00% | −55,000−100.0% | Sold out |
| Oak Thistle LLC | 0 | $0 | 0.00% | −50,736−100.0% | Sold out |
| DeepCurrents Investment Group LLC | 0 | $0 | 0.00% | −43,116−100.0% | Sold out |
| Park Avenue Securities LLC | 0 | $0 | 0.00% | −34,566−100.0% | Sold out |
| Cantor Fitzgerald, L. P. | 0 | $0 | 0.00% | −32,487−100.0% | Sold out |
| Ardsley Advisory Partners LP | 0 | $0 | 0.00% | −30,000−100.0% | Sold out |
| AIA Group Ltd | 0 | $0 | 0.00% | −29,265−100.0% | Sold out |
| Volterra Technologies LP | 0 | $0 | 0.00% | −28,855−100.0% | Sold out |
| SPX Equities Gestao de Recursos Ltda | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |