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
- 1,421
- +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
- 450 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 |
|---|---|---|---|---|---|
| Thrivent Financial for Lutherans | 256,773 | $69.3M | 0.13% | +130,155+102.8% | Added |
| Squarepoint Ops LLC | 258,100 | $69.8M | 0.15% | −264,190−50.6% | Reduced |
| Teacher Retirement System of Texas | 258,564 | $69.9M | 0.29% | −108,776−29.6% | Reduced |
| Standard Life Aberdeen plc | 262,328 | $71.0M | 0.11% | −10,159−3.7% | Reduced |
| Schroder Investment Management Group | 265,088 | $71.7M | 0.06% | −20,113−7.1% | Reduced |
| Citadel Advisors LLC | 265,868 | $71.9M | 0.05% | −1,053,898−79.9% | Reduced |
| XN LP | 275,482 | $74.5M | 2.74% | +275,482 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 275,539 | $74.5M | 0.17% | +45,068+19.6% | Added |
| Ieq Capital, LLC | 276,112 | $74.7M | 0.35% | +31,332+12.8% | Added |
| Millennium Management LLC | 277,653 | $75.1M | 0.06% | −39,552−12.5% | Reduced |
| Franklin Resources Inc | 282,591 | $76.4M | 0.02% | −74,381−20.8% | Reduced |
| New York State Teachers Retirement System | 285,549 | $77.2M | 0.16% | −2,852−1.0% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 293,161 | $79.3M | 0.13% | +145,961+99.2% | Added |
| Adage Capital Partners GP, L.L.C. | 293,737 | $79.5M | 0.12% | +35,100+13.6% | Added |
| State Board of Administration of Florida Retirement System | 300,995 | $81.4M | 0.15% | −2,691−0.9% | Reduced |
| Aviva PLC | 307,992 | $83.3M | 0.14% | +2,684+0.9% | Added |
| Raymond James Financial Inc | 310,095 | $83.9M | 0.03% | −26,708−7.9% | Reduced |
| Amanah Holdings Trust | 315,000 | $85.2M | 9.38% | 00.0% | Unchanged |
| PFA Pension, Forsikringsaktieselskab | 318,651 | $86.2M | 0.26% | +38,598+13.8% | Added |
| Danske Bank A/S | 323,908 | $87.6M | 0.21% | −16,615−4.9% | Reduced |
| Bahl & Gaynor Inc | 325,336 | $88.0M | 0.44% | −49,639−13.2% | Reduced |
| Canada Pension Plan Investment Board | 334,006 | $90.3M | 0.06% | −48,204−12.6% | Reduced |
| Quantinno Capital Management LP | 338,635 | $91.6M | 0.15% | −34,550−9.3% | Reduced |
| Trivest Advisors Ltd | 345,000 | $93.3M | 6.72% | −530,000−60.6% | Reduced |
| Quadrature Capital Ltd | 354,942 | $96.0M | 1.14% | +354,942 | New |
| Storebrand Asset Management AS | 356,953 | $96.6M | 0.28% | −37,846−9.6% | Reduced |
| Caisse de Depot Et Placement du Quebec | 358,429 | $97.0M | 0.16% | −234,867−39.6% | Reduced |
| Mackenzie Financial Corp | 362,557 | $98.1M | 0.12% | −140,737−28.0% | Reduced |
| Bank of Nova Scotia | 363,175 | $98.2M | 0.17% | −765,788−67.8% | Reduced |
| Korea Investment CORP | 365,410 | $98.8M | 0.20% | −5,101−1.4% | Reduced |
| Nordea Investment Management AB | 380,371 | $99.0M | 0.09% | +282,309+287.9% | Added |
| Gotham Asset Management, LLC | 367,768 | $99.5M | 0.30% | −138,986−27.4% | Reduced |
| LSV Asset Management | 369,272 | $99.9M | 0.22% | −375,140−50.4% | Reduced |
| First Trust Advisors LP | 369,889 | $100.1M | 0.07% | −257,290−41.0% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 373,591 | $100.9M | 0.12% | +168,406+82.1% | Added |
| Parnassus Investments | 396,802 | $107.3M | 0.31% | −126,695−24.2% | Reduced |
| LPL Financial LLC | 396,886 | $107.4M | 0.03% | +63,669+19.1% | Added |
| Russell Investments Group, Ltd. | 401,675 | $107.5M | 0.12% | +59,930+17.5% | Added |
| Employees Provident Fund Board | 405,167 | $109.6M | 0.83% | +405,167 | New |
| Whale Rock Capital Management LLC | 412,006 | $111.4M | 1.44% | +412,006 | New |
| Natixis Advisors, L.P. | 423,953 | $114.7M | 0.16% | +50,969+13.7% | Added |
| National Bank of Canada | 434,731 | $117.6M | 0.12% | +161,199+58.9% | Added |
| Neuberger Berman Group LLC | 456,245 | $123.4M | 0.09% | +30,456+7.2% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 473,874 | $127.7M | 0.22% | +89,784+23.4% | Added |
| Alliancebernstein L.P. | 763,080 | $131.5M | 0.04% | −865,947−53.2% | Reduced |
| SEI Investments Co | 495,174 | $133.9M | 0.12% | +23,977+5.1% | Added |
| Victory Capital Management Inc | 497,009 | $134.4M | 0.09% | −90,489−15.4% | Reduced |
| ProShare Advisors LLC | 501,292 | $135.6M | 0.20% | −116,769−18.9% | Reduced |
| Nomura Asset Management Co Ltd | 509,267 | $137.8M | 0.36% | −612,828−54.6% | Reduced |
| California State Teachers Retirement System | 524,436 | $141.9M | 0.15% | −20,088−3.7% | Reduced |
| Susquehanna International Group, LLP | 568,828 | $153.9M | 0.20% | +334,887+143.2% | Added |
| Citigroup Inc | 572,493 | $154.9M | 0.10% | −786,716−57.9% | Reduced |
| Primecap Management Co | 577,210 | $156.1M | 0.12% | −176,330−23.4% | Reduced |
| Jericho Capital Asset Management L.P. | 581,562 | $157.3M | 2.33% | +581,562 | New |
| Vanguard Asset Management, Ltd | 588,392 | $159.2M | 0.14% | +588,392 | New |
| Rhumbline Advisers | 594,405 | $160.8M | 0.14% | −40,631−6.4% | Reduced |
| Balyasny Asset Management LLC | 616,559 | $166.8M | 0.33% | +386,903+168.5% | Added |
| Prudential Financial Inc | 616,644 | $166.8M | 0.21% | −402,509−39.5% | Reduced |
| Point72 Asset Management, L.P. | 623,944 | $168.8M | 0.29% | +445,159+249.0% | Added |
| Acadian Asset Management LLC | 629,886 | $170.3M | 0.24% | +449,370+248.9% | Added |
| Clal Insurance Enterprises Holdings Ltd | 648,250 | $175.3M | 1.06% | +314,500+94.2% | Added |
| California Public Employees Retirement System | 671,717 | $181.7M | 0.11% | −127,043−15.9% | Reduced |
| Principal Financial Group Inc | 676,042 | $182.9M | 0.10% | −316,689−31.9% | Reduced |
| Envestnet Asset Management Inc | 701,352 | $189.7M | 0.05% | +108,079+18.2% | Added |
| Anther Capital Ltd | 712,395 | $192.7M | 5.04% | +712,395 | New |
| Vanguard Global Advisers, LLC | 745,156 | $201.6M | 0.11% | +745,156 | New |
| Holocene Advisors, LP | 761,886 | $206.1M | 0.50% | −173,096−18.5% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 796,983 | $215.6M | 0.14% | +45,781+6.1% | Added |
| WT Asset Management Ltd | 816,707 | $220.9M | 4.63% | +405,249+98.5% | Added |
| Voya Investment Management LLC | 817,564 | $221.1M | 0.23% | +448,942+121.8% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 827,668 | $223.9M | 0.20% | +412,055+99.1% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 836,666 | $226.3M | 0.15% | −50,393−5.7% | Reduced |
| Castle Hook Partners LP | 878,939 | $237.7M | 4.80% | −446,731−33.7% | Reduced |
| Nomura Asset Management International Inc. | 891,662 | $241.2M | 0.41% | −133,785−13.0% | Reduced |
| Marshall Wace, LLP | 931,323 | $251.9M | 0.27% | +769,455+475.4% | Added |
| Polar Capital Holdings Plc | 972,432 | $263.0M | 1.15% | +59,240+6.5% | Added |
| Robeco Institutional Asset Management B.V. | 984,685 | $266.3M | 0.38% | −392,066−28.5% | Reduced |
| Swiss National Bank | 1,003,307 | $271.4M | 0.16% | +52,500+5.5% | Added |
| Wells Fargo & Company | 1,024,545 | $277.1M | 0.06% | +158,749+18.3% | Added |
| Barclays PLC | 1,050,033 | $284.0M | 0.10% | −476,351−31.2% | Reduced |
| Renaissance Technologies LLC | 1,146,133 | $310.0M | 0.48% | +153,600+15.5% | Added |
| Soroban Capital Partners LP | 1,146,273 | $310.1M | 2.22% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 1,188,956 | $321.6M | 0.21% | −209,124−15.0% | Reduced |
| Royal Bank of Canada | 1,271,074 | $343.8M | 0.07% | −711,979−35.9% | Reduced |
| Value Aligned Research Advisors, LLC | 1,295,439 | $350.4M | 4.15% | +1,295,439 | New |
| AMF Pensionsforsakring AB | 1,373,910 | $371.6M | 2.46% | −394,049−22.3% | Reduced |
| Maple Rock Capital Partners Inc. | 1,400,434 | $378.8M | 12.32% | −981,091−41.2% | Reduced |
| Bank of Montreal | 1,405,042 | $380.0M | 0.16% | +373,990+36.3% | Added |
| National Pension Service | 1,437,962 | $389.0M | 0.30% | −253,697−15.0% | Reduced |
| HSBC Holdings PLC | 1,545,167 | $417.0M | 0.25% | +277,382+21.9% | Added |
| Deutsche Bank AG | 1,872,796 | $506.6M | 0.17% | −358,813−16.1% | Reduced |
| Vanguard Fiduciary Trust Co | 1,908,325 | $516.2M | 0.13% | +1,908,325 | New |
| Legal & General Group Plc | 2,129,170 | $575.9M | 0.13% | +95,615+4.7% | Added |
| Charles Schwab Investment Management Inc | 2,206,941 | $597.0M | 0.09% | −59,768−2.6% | Reduced |
| Dimensional Fund Advisors LP | 2,503,321 | $676.8M | 0.14% | −1,062,021−29.8% | Reduced |
| Bank of New York Mellon Corp | 2,508,752 | $678.6M | 0.12% | +435,716+21.0% | Added |
| Price T Rowe Associates Inc | 2,646,484 | $715.8M | 0.08% | +34,628+1.3% | Added |
| Fred Alger Management, LLC | 2,659,835 | $719.5M | 3.16% | −24,506−0.9% | Reduced |
| D. E. Shaw & Co., Inc. | 2,688,230 | $727.1M | 0.57% | −3,013,088−52.8% | Reduced |
| UBS Asset Management Americas Inc | 2,902,748 | $785.2M | 0.16% | +93,339+3.3% | Added |