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 2026
Institutional positions in Western Digital Corp as of Mar 31, 2026. 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
- 1,422
- +262 vs. Q4 2025
- Shares held
- 334.8M
- +40.5M (+13.8%) vs. Q4 2025
- Total value
- $90.0B
- +$39.3B (+77.6%) vs. Q4 2025
- New holders
- 364
- 451 more added
- Sold out
- 102
- 489 more reduced
15 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Western Digital Corp; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 35,769,222 | $9.68B | 0.17% | +259,704+0.7% | Added |
| FMR LLC | 31,623,418 | $8.55B | 0.45% | −2,170,383−6.4% | Reduced |
| Vanguard Capital Management LLC | 22,034,861 | $5.96B | 0.15% | +22,034,861 | New |
| Vanguard Portfolio Management LLC | 17,172,653 | $4.65B | 0.24% | +17,172,653 | New |
| JPMorgan Chase & Co | 17,512,148 | $4.41B | 0.30% | +3,216,183+22.5% | Added |
| State Street Corp | 15,465,766 | $4.18B | 0.14% | −230,188−1.5% | Reduced |
| Invesco Ltd. | 12,646,421 | $3.42B | 0.33% | −490,077−3.7% | Reduced |
| Capital World Investors | 11,880,038 | $3.21B | 0.44% | +10,816,431+1,017.0% | Added |
| Geode Capital Management, LLC | 9,477,201 | $2.56B | 0.16% | +194,769+2.1% | Added |
| Bank of America Corp | 8,489,612 | $2.30B | 0.17% | −3,555,039−29.5% | Reduced |
| Morgan Stanley | 7,939,106 | $2.15B | 0.13% | −1,005,556−11.2% | Reduced |
| WCM Investment Management, LLC | 6,561,810 | $1.65B | 3.77% | −129,399−1.9% | Reduced |
| Ameriprise Financial Inc | 5,762,533 | $1.56B | 0.36% | −2,757,892−32.4% | Reduced |
| Goldman Sachs Group Inc | 5,406,883 | $1.46B | 0.19% | +847,170+18.6% | Added |
| UBS Group AG | 4,182,454 | $1.13B | 0.20% | −368,367−8.1% | Reduced |
| Northern Trust Corp | 3,606,563 | $975.5M | 0.13% | −65,392−1.8% | Reduced |
| AQR Capital Management LLC | 3,459,565 | $913.0M | 0.42% | +486,862+16.4% | Added |
| Capital Research Global Investors | 3,309,625 | $895.1M | 0.14% | +3,309,625 | New |
| Amundi | 3,058,867 | $827.4M | 0.23% | +659,131+27.5% | Added |
| Nuveen, LLC | 2,959,245 | $800.4M | 0.22% | −1,604,231−35.2% | Reduced |
| UBS Asset Management Americas Inc | 2,902,748 | $785.2M | 0.16% | +93,339+3.3% | Added |
| D. E. Shaw & Co., Inc. | 2,688,230 | $727.1M | 0.57% | −3,013,088−52.8% | Reduced |
| Fred Alger Management, LLC | 2,659,835 | $719.5M | 3.16% | −24,506−0.9% | Reduced |
| Price T Rowe Associates Inc | 2,646,484 | $715.8M | 0.08% | +34,628+1.3% | Added |
| Bank of New York Mellon Corp | 2,508,752 | $678.6M | 0.12% | +435,716+21.0% | Added |
| Dimensional Fund Advisors LP | 2,503,321 | $676.8M | 0.14% | −1,062,021−29.8% | Reduced |
| Charles Schwab Investment Management Inc | 2,206,941 | $597.0M | 0.09% | −59,768−2.6% | Reduced |
| Legal & General Group Plc | 2,129,170 | $575.9M | 0.13% | +95,615+4.7% | Added |
| Vanguard Fiduciary Trust Co | 1,908,325 | $516.2M | 0.13% | +1,908,325 | New |
| Deutsche Bank AG | 1,872,796 | $506.6M | 0.17% | −358,813−16.1% | Reduced |
| HSBC Holdings PLC | 1,545,167 | $417.0M | 0.25% | +277,382+21.9% | Added |
| National Pension Service | 1,437,962 | $389.0M | 0.30% | −253,697−15.0% | Reduced |
| Bank of Montreal | 1,405,042 | $380.0M | 0.16% | +373,990+36.3% | Added |
| Maple Rock Capital Partners Inc. | 1,400,434 | $378.8M | 12.32% | −981,091−41.2% | Reduced |
| AMF Pensionsforsakring AB | 1,373,910 | $371.6M | 2.46% | −394,049−22.3% | Reduced |
| Value Aligned Research Advisors, LLC | 1,295,439 | $350.4M | 4.15% | +1,295,439 | New |
| Royal Bank of Canada | 1,271,074 | $343.8M | 0.07% | −711,979−35.9% | Reduced |
| BNP Paribas Arbitrage, SA | 1,188,956 | $321.6M | 0.21% | −209,124−15.0% | Reduced |
| Soroban Capital Partners LP | 1,146,273 | $310.1M | 2.22% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 1,146,133 | $310.0M | 0.48% | +153,600+15.5% | Added |
| Barclays PLC | 1,050,033 | $284.0M | 0.10% | −476,351−31.2% | Reduced |
| Wells Fargo & Company | 1,024,545 | $277.1M | 0.06% | +158,749+18.3% | Added |
| Swiss National Bank | 1,003,307 | $271.4M | 0.16% | +52,500+5.5% | Added |
| Robeco Institutional Asset Management B.V. | 984,685 | $266.3M | 0.38% | −392,066−28.5% | Reduced |
| Polar Capital Holdings Plc | 972,432 | $263.0M | 1.15% | +59,240+6.5% | Added |
| Marshall Wace, LLP | 931,323 | $251.9M | 0.27% | +769,455+475.4% | Added |
| Nomura Asset Management International Inc. | 891,662 | $241.2M | 0.41% | −133,785−13.0% | Reduced |
| Castle Hook Partners LP | 878,939 | $237.7M | 4.80% | −446,731−33.7% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 836,666 | $226.3M | 0.15% | −50,393−5.7% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 827,668 | $223.9M | 0.20% | +412,055+99.1% | Added |
| Voya Investment Management LLC | 817,564 | $221.1M | 0.23% | +448,942+121.8% | Added |
| WT Asset Management Ltd | 816,707 | $220.9M | 4.63% | +405,249+98.5% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 796,983 | $215.6M | 0.14% | +45,781+6.1% | Added |
| Holocene Advisors, LP | 761,886 | $206.1M | 0.50% | −173,096−18.5% | Reduced |
| Vanguard Global Advisers, LLC | 745,156 | $201.6M | 0.11% | +745,156 | New |
| Anther Capital Ltd | 712,395 | $192.7M | 5.04% | +712,395 | New |
| Envestnet Asset Management Inc | 701,352 | $189.7M | 0.05% | +108,079+18.2% | Added |
| Principal Financial Group Inc | 676,042 | $182.9M | 0.10% | −316,689−31.9% | Reduced |
| California Public Employees Retirement System | 671,717 | $181.7M | 0.11% | −127,043−15.9% | Reduced |
| Clal Insurance Enterprises Holdings Ltd | 648,250 | $175.3M | 1.06% | +314,500+94.2% | Added |
| Acadian Asset Management LLC | 629,886 | $170.3M | 0.24% | +449,370+248.9% | Added |
| Point72 Asset Management, L.P. | 623,944 | $168.8M | 0.29% | +445,159+249.0% | Added |
| Prudential Financial Inc | 616,644 | $166.8M | 0.21% | −402,509−39.5% | Reduced |
| Balyasny Asset Management LLC | 616,559 | $166.8M | 0.33% | +386,903+168.5% | Added |
| Rhumbline Advisers | 594,405 | $160.8M | 0.14% | −40,631−6.4% | Reduced |
| Vanguard Asset Management, Ltd | 588,392 | $159.2M | 0.14% | +588,392 | New |
| Jericho Capital Asset Management L.P. | 581,562 | $157.3M | 2.33% | +581,562 | New |
| Primecap Management Co | 577,210 | $156.1M | 0.12% | −176,330−23.4% | Reduced |
| Citigroup Inc | 572,493 | $154.9M | 0.10% | −786,716−57.9% | Reduced |
| Susquehanna International Group, LLP | 568,828 | $153.9M | 0.20% | +334,887+143.2% | Added |
| California State Teachers Retirement System | 524,436 | $141.9M | 0.15% | −20,088−3.7% | Reduced |
| Nomura Asset Management Co Ltd | 509,267 | $137.8M | 0.36% | −612,828−54.6% | Reduced |
| ProShare Advisors LLC | 501,292 | $135.6M | 0.20% | −116,769−18.9% | Reduced |
| Victory Capital Management Inc | 497,009 | $134.4M | 0.09% | −90,489−15.4% | Reduced |
| SEI Investments Co | 495,174 | $133.9M | 0.12% | +23,977+5.1% | Added |
| Alliancebernstein L.P. | 763,080 | $131.5M | 0.04% | −865,947−53.2% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 473,874 | $127.7M | 0.22% | +89,784+23.4% | Added |
| Neuberger Berman Group LLC | 456,245 | $123.4M | 0.09% | +30,456+7.2% | Added |
| National Bank of Canada | 434,731 | $117.6M | 0.12% | +161,199+58.9% | Added |
| Natixis Advisors, L.P. | 423,953 | $114.7M | 0.16% | +50,969+13.7% | Added |
| Whale Rock Capital Management LLC | 412,006 | $111.4M | 1.44% | +412,006 | New |
| Employees Provident Fund Board | 405,167 | $109.6M | 0.83% | +405,167 | New |
| Russell Investments Group, Ltd. | 401,675 | $107.5M | 0.12% | +59,930+17.5% | Added |
| LPL Financial LLC | 396,886 | $107.4M | 0.03% | +63,669+19.1% | Added |
| Parnassus Investments | 396,802 | $107.3M | 0.31% | −126,695−24.2% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 373,591 | $100.9M | 0.12% | +168,406+82.1% | Added |
| First Trust Advisors LP | 369,889 | $100.1M | 0.07% | −257,290−41.0% | Reduced |
| LSV Asset Management | 369,272 | $99.9M | 0.22% | −375,140−50.4% | Reduced |
| Gotham Asset Management, LLC | 367,768 | $99.5M | 0.30% | −138,986−27.4% | Reduced |
| Nordea Investment Management AB | 380,371 | $99.0M | 0.09% | +282,309+287.9% | Added |
| Korea Investment CORP | 365,410 | $98.8M | 0.20% | −5,101−1.4% | Reduced |
| Bank of Nova Scotia | 363,175 | $98.2M | 0.17% | −765,788−67.8% | Reduced |
| Mackenzie Financial Corp | 362,557 | $98.1M | 0.12% | −140,737−28.0% | Reduced |
| Caisse de Depot Et Placement du Quebec | 358,429 | $97.0M | 0.16% | −234,867−39.6% | Reduced |
| Storebrand Asset Management AS | 356,953 | $96.6M | 0.28% | −37,846−9.6% | Reduced |
| Quadrature Capital Ltd | 354,942 | $96.0M | 1.14% | +354,942 | New |
| Trivest Advisors Ltd | 345,000 | $93.3M | 6.72% | −530,000−60.6% | Reduced |
| Quantinno Capital Management LP | 338,635 | $91.6M | 0.15% | −34,550−9.3% | Reduced |
| Canada Pension Plan Investment Board | 334,006 | $90.3M | 0.06% | −48,204−12.6% | Reduced |
| Bahl & Gaynor Inc | 325,336 | $88.0M | 0.44% | −49,639−13.2% | Reduced |