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 |
|---|---|---|---|---|---|
| Vanguard Group Inc | 42,348,660 | $7.30B | 0.11% | −933,733−2.2% | Reduced |
| BlackRock, Inc. | 35,509,518 | $6.12B | 0.10% | +794,667+2.3% | Added |
| FMR LLC | 33,793,801 | $5.82B | 0.30% | +10,037,079+42.2% | Added |
| State Street Corp | 15,695,954 | $2.70B | 0.09% | +234,097+1.5% | Added |
| JPMorgan Chase & Co | 14,295,965 | $2.46B | 0.17% | +2,275,855+18.9% | Added |
| Invesco Ltd. | 13,136,498 | $2.26B | 0.21% | +8,701,422+196.2% | Added |
| Bank of America Corp | 12,044,651 | $2.07B | 0.15% | −10,316,359−46.1% | Reduced |
| Geode Capital Management, LLC | 9,282,432 | $1.59B | 0.10% | −132,086−1.4% | Reduced |
| Morgan Stanley | 8,944,662 | $1.54B | 0.09% | +542,040+6.5% | Added |
| Ameriprise Financial Inc | 8,520,425 | $1.47B | 0.33% | −162,894−1.9% | Reduced |
| WCM Investment Management, LLC | 6,691,209 | $1.18B | 2.43% | −87,251−1.3% | Reduced |
| D. E. Shaw & Co., Inc. | 5,701,318 | $982.2M | 0.75% | −3,923,998−40.8% | Reduced |
| Norges Bank | 4,578,446 | $788.7M | 0.08% | +4,578,446 | New |
| Nuveen, LLC | 4,563,476 | $786.2M | 0.21% | +2,010,258+78.7% | Added |
| Goldman Sachs Group Inc | 4,559,713 | $785.5M | 0.11% | +2,054,059+82.0% | Added |
| UBS Group AG | 4,550,821 | $784.0M | 0.16% | −2,779,175−37.9% | Reduced |
| Northern Trust Corp | 3,671,955 | $632.6M | 0.08% | −133,508−3.5% | Reduced |
| Dimensional Fund Advisors LP | 3,565,342 | $614.3M | 0.13% | −239,565−6.3% | Reduced |
| AQR Capital Management LLC | 2,972,703 | $512.1M | 0.27% | +1,228,661+70.4% | Added |
| UBS Asset Management Americas Inc | 2,809,409 | $484.0M | 0.10% | +159,167+6.0% | Added |
| Fred Alger Management, LLC | 2,684,341 | $462.4M | 1.81% | −722,701−21.2% | Reduced |
| Price T Rowe Associates Inc | 2,611,856 | $449.9M | 0.05% | +44,090+1.7% | Added |
| Amundi | 2,399,736 | $413.4M | 0.11% | +1,108,237+85.8% | Added |
| Maple Rock Capital Partners Inc. | 2,381,525 | $410.3M | 13.55% | −207,800−8.0% | Reduced |
| Charles Schwab Investment Management Inc | 2,266,709 | $390.5M | 0.06% | −99,165−4.2% | Reduced |
| Deutsche Bank AG | 2,231,609 | $384.4M | 0.13% | −809,936−26.6% | Reduced |
| Bank of New York Mellon Corp | 2,073,036 | $357.1M | 0.06% | +117,340+6.0% | Added |
| Legal & General Group Plc | 2,033,555 | $350.3M | 0.08% | −65,063−3.1% | Reduced |
| Royal Bank of Canada | 1,983,053 | $341.6M | 0.06% | +760,684+62.2% | Added |
| AMF Pensionsforsakring AB | 1,767,959 | $304.6M | 1.89% | −44,505−2.5% | Reduced |
| National Pension Service | 1,691,659 | $291.4M | 0.22% | +1,231,477+267.6% | Added |
| Alliancebernstein L.P. | 1,629,027 | $280.6M | 0.09% | −318,340−16.3% | Reduced |
| Barclays PLC | 1,526,384 | $263.0M | 0.11% | +298,897+24.4% | Added |
| BNP Paribas Arbitrage, SA | 1,398,080 | $240.8M | 0.15% | −277,881−16.6% | Reduced |
| Robeco Institutional Asset Management B.V. | 1,376,751 | $237.2M | 0.34% | +594,003+75.9% | Added |
| Citigroup Inc | 1,359,209 | $234.2M | 0.16% | −425,624−23.8% | Reduced |
| Castle Hook Partners LP | 1,325,670 | $228.4M | 3.28% | −426,733−24.4% | Reduced |
| Citadel Advisors LLC | 1,319,766 | $227.4M | 0.15% | −2,407,840−64.6% | Reduced |
| HSBC Holdings PLC | 1,267,785 | $218.1M | 0.12% | −611,777−32.5% | Reduced |
| Bank of Nova Scotia | 1,128,963 | $194.5M | 0.29% | +431,265+61.8% | Added |
| Nomura Asset Management Co Ltd | 1,122,095 | $193.3M | 0.49% | +282,156+33.6% | Added |
| Capital World Investors | 1,063,607 | $183.2M | 0.02% | +1,063,607 | New |
| Bank of Montreal | 1,031,052 | $177.6M | 0.07% | −535,488−34.2% | Reduced |
| Nomura Asset Management International Inc. | 1,025,447 | $176.7M | 0.27% | +1,025,447 | New |
| Prudential Financial Inc | 1,019,153 | $175.6M | 0.21% | +555,124+119.6% | Added |
| Principal Financial Group Inc | 992,731 | $171.0M | 0.09% | +175,668+21.5% | Added |
| Renaissance Technologies LLC | 992,533 | $171.0M | 0.27% | −156,229−13.6% | Reduced |
| Swiss National Bank | 950,807 | $163.8M | 0.10% | −54,900−5.5% | Reduced |
| Holocene Advisors, LP | 934,982 | $161.1M | 0.34% | −1,335,428−58.8% | Reduced |
| Polar Capital Holdings Plc | 913,192 | $157.3M | 0.72% | −934,216−50.6% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 887,059 | $152.8M | 0.09% | +79,418+9.8% | Added |
| Trivest Advisors Ltd | 875,000 | $150.7M | 6.88% | −45,000−4.9% | Reduced |
| Wells Fargo & Company | 865,796 | $149.2M | 0.03% | +63,011+7.8% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 751,202 | $141.0M | 0.10% | +46,072+6.5% | Added |
| Soroban Capital Partners LP | 1,146,273 | $137.6M | 1.01% | 00.0% | Unchanged |
| California Public Employees Retirement System | 798,760 | $137.6M | 0.08% | +216,898+37.3% | Added |
| Primecap Management Co | 753,540 | $129.8M | 0.10% | −211,530−21.9% | Reduced |
| LSV Asset Management | 744,412 | $128.2M | 0.28% | −766,800−50.7% | Reduced |
| Atalan Capital Partners, LP | 705,400 | $121.5M | 8.65% | −405,388−36.5% | Reduced |
| Worldquant Millennium Advisors LLC | 641,925 | $110.6M | 0.43% | −653,004−50.4% | Reduced |
| Rhumbline Advisers | 635,036 | $109.4M | 0.09% | −33,676−5.0% | Reduced |
| First Trust Advisors LP | 627,179 | $108.0M | 0.08% | +135,885+27.7% | Added |
| ProShare Advisors LLC | 618,061 | $106.5M | 0.19% | +527,359+581.4% | Added |
| KBC Group NV | 597,009 | $102.8M | 0.23% | +373,199+166.7% | Added |
| Caisse de Depot Et Placement du Quebec | 593,296 | $102.2M | 0.17% | +499,510+532.6% | Added |
| Envestnet Asset Management Inc | 593,273 | $102.2M | 0.03% | +12,666+2.2% | Added |
| Wolf Hill Capital Management, LP | 590,395 | $101.7M | 11.85% | −22,261−3.6% | Reduced |
| Victory Capital Management Inc | 587,498 | $101.2M | 0.06% | +10,669+1.8% | Added |
| California State Teachers Retirement System | 544,524 | $93.8M | 0.09% | +29,881+5.8% | Added |
| Parnassus Investments | 523,497 | $90.2M | 0.23% | −375,363−41.8% | Reduced |
| Squarepoint Ops LLC | 522,290 | $90.0M | 0.18% | −6,123−1.2% | Reduced |
| Mackenzie Financial Corp | 503,294 | $88.4M | 0.10% | +195,574+63.6% | Added |
| Gotham Asset Management, LLC | 506,754 | $87.3M | 0.32% | −24,980−4.7% | Reduced |
| SEI Investments Co | 471,197 | $81.2M | 0.08% | +11,323+2.5% | Added |
| Neuberger Berman Group LLC | 425,789 | $73.4M | 0.05% | −942,602−68.9% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 415,613 | $71.6M | 0.06% | +13,421+3.3% | Added |
| WT Asset Management Ltd | 411,458 | $70.9M | 2.82% | −87,842−17.6% | Reduced |
| Storebrand Asset Management AS | 394,799 | $68.0M | 0.18% | +35,385+9.8% | Added |
| Alta Park Capital, LP | 393,479 | $67.8M | 8.16% | −77,421−16.4% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 384,090 | $66.2M | 0.11% | +44,677+13.2% | Added |
| Canada Pension Plan Investment Board | 382,210 | $65.8M | 0.04% | +57,447+17.7% | Added |
| Bahl & Gaynor Inc | 374,975 | $64.6M | 0.33% | −87,875−19.0% | Reduced |
| Quantinno Capital Management LP | 373,185 | $64.3M | 0.13% | −11,964−3.1% | Reduced |
| Natixis Advisors, L.P. | 372,984 | $64.3M | 0.09% | +7,380+2.0% | Added |
| Korea Investment CORP | 370,511 | $63.8M | 0.13% | +11,999+3.3% | Added |
| Voya Investment Management LLC | 368,622 | $63.5M | 0.06% | +67,705+22.5% | Added |
| Teacher Retirement System of Texas | 367,340 | $63.3M | 0.22% | +309,452+534.6% | Added |
| Franklin Resources Inc | 356,972 | $61.5M | 0.02% | +86,827+32.1% | Added |
| AustralianSuper Pty Ltd | 351,672 | $60.6M | 0.28% | +66,450+23.3% | Added |
| Pictet Asset Management Holding SA | 342,516 | $59.0M | 0.06% | +131,247+62.1% | Added |
| Russell Investments Group, Ltd. | 341,745 | $59.0M | 0.06% | −163,355−32.3% | Reduced |
| Simplex Trading, LLC | 341,762 | $58.9M | 1.66% | +341,762 | New |
| Danske Bank A/S | 340,523 | $58.7M | 0.14% | −47,999−12.4% | Reduced |
| Raymond James Financial Inc | 336,803 | $58.0M | 0.02% | +78,120+30.2% | Added |
| Clal Insurance Enterprises Holdings Ltd | 333,750 | $57.5M | 0.37% | +333,750 | New |
| LPL Financial LLC | 333,217 | $57.4M | 0.02% | +68,938+26.1% | Added |
| Hawk Ridge Capital Management LP | 325,700 | $56.1M | 2.59% | +166,000+103.9% | Added |
| Slate Path Capital LP | 321,278 | $55.3M | 0.75% | −1,094,959−77.3% | Reduced |
| Millennium Management LLC | 317,205 | $54.6M | 0.04% | −914,620−74.2% | Reduced |
| Amanah Holdings Trust | 315,000 | $54.3M | 7.95% | +315,000 | New |