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; 1,864 institutions reported holding it in 13F filings for Q2 2026, worth $218.1B in total; Maverick Capital is the only superinvestor holding it.
13F holders, Q2 2026
Institutional positions in Western Digital Corp as of Jun 30, 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
- 1,864
- +443 vs. Q1 2026
- Shares held
- 324.3M
- −53.6M (−14.2%) vs. Q1 2026
- Total value
- $218.1B
- +$117.7B (+117.2%) vs. Q1 2026
- New holders
- 536
- 598 more added
- Sold out
- 93
- 604 more reduced
17 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 | 1,864 | $218.1B |
| Q1 2026 | 1,438 | $100.6B |
| Q4 2025 | 1,196 | $67.5B |
| Q3 2025 | 991 | $47.8B |
| Q2 2025 | 787 | $26.1B |
| Q1 2025 | 689 | $16.3B |
| Q4 2024 | 737 | $22.0B |
| Q3 2024 | 698 | $23.3B |
| Q2 2024 | 759 | $25.6B |
| Q1 2024 | 682 | $21.5B |
| Q4 2023 | 609 | $16.2B |
| Q3 2023 | 542 | $12.7B |
| Q2 2023 | 537 | $10.7B |
| Q1 2023 | 539 | $10.4B |
| Q4 2022 | 527 | $8.72B |
| Q3 2022 | 578 | $9.25B |
| Q2 2022 | 631 | $12.2B |
| Q1 2022 | 648 | $12.5B |
| Q4 2021 | 695 | $16.6B |
| Q3 2021 | 633 | $14.1B |
| Q2 2021 | 684 | $17.6B |
| Q1 2021 | 670 | $16.3B |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Western Digital Corp; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 32,953,613 | $21.3B | 0.32% | −2,815,609−7.9% | Reduced |
| FMR LLC | 25,983,645 | $16.8B | 0.73% | −5,639,773−17.8% | Reduced |
| Vanguard Capital Management LLC | 22,510,811 | $14.4B | 0.31% | +475,950+2.2% | Added |
| JPMorgan Chase & Co | 17,007,789 | $11.2B | 0.65% | −504,359−2.9% | Reduced |
| State Street Corp | 16,276,615 | $10.7B | 0.32% | +810,849+5.2% | Added |
| Capital World Investors | 16,598,211 | $10.6B | 1.25% | +4,718,173+39.7% | Added |
| Invesco Ltd. | 14,435,741 | $9.24B | 0.73% | +1,789,320+14.1% | Added |
| Vanguard Portfolio Management LLC | 13,109,474 | $8.37B | 0.38% | −4,063,179−23.7% | Reduced |
| Geode Capital Management, LLC | 8,411,628 | $5.35B | 0.29% | −1,065,573−11.2% | Reduced |
| Morgan Stanley | 8,148,144 | $5.22B | 0.28% | +209,038+2.6% | Added |
| Bank of America Corp | 6,489,630 | $4.15B | 0.27% | −1,999,982−23.6% | Reduced |
| Goldman Sachs Group Inc | 5,178,993 | $3.31B | 0.35% | −227,890−4.2% | Reduced |
| UBS Asset Management Americas Inc | 4,744,377 | $3.11B | 0.57% | +1,841,629+63.4% | Added |
| Norges Bank | 4,629,232 | $2.96B | 0.29% | +4,629,232 | New |
| Nuveen, LLC | 3,819,103 | $2.46B | 0.59% | +859,858+29.1% | Added |
| Northern Trust Corp | 3,663,369 | $2.34B | 0.27% | +56,806+1.6% | Added |
| Ameriprise Financial Inc | 3,386,190 | $2.20B | 0.44% | −2,376,343−41.2% | Reduced |
| AQR Capital Management LLC | 2,940,948 | $1.88B | 0.65% | −518,617−15.0% | Reduced |
| Bank of New York Mellon Corp | 3,126,885 | $1.87B | 0.31% | +128,133+4.3% | Added |
| Capital Research Global Investors | 2,816,570 | $1.80B | 0.25% | −493,055−14.9% | Reduced |
| Bank of Montreal | 1,634,675 | $1.70B | 0.62% | +229,633+16.3% | Added |
| Legal & General Group Plc | 2,509,592 | $1.60B | 0.33% | +380,422+17.9% | Added |
| Dimensional Fund Advisors LP | 2,448,137 | $1.56B | 0.28% | −55,184−2.2% | Reduced |
| Two Sigma Investments, LP | 48,556 | $1.53B | 1.15% | +46,586+2,364.8% | Added |
| Bank of Nova Scotia | 783,212 | $1.49B | 2.25% | −29,918,963−97.4% | Reduced |
| Fred Alger Management, LLC | 2,206,326 | $1.41B | 4.70% | −453,509−17.1% | Reduced |
| Charles Schwab Investment Management Inc | 2,132,395 | $1.36B | 0.18% | −74,546−3.4% | Reduced |
| Capstone Investment Advisors, LLC | 952 | $1.36B | 9.43% | −6,873−87.8% | Reduced |
| Price T Rowe Associates Inc | 2,075,801 | $1.33B | 0.13% | −570,683−21.6% | Reduced |
| Vanguard Fiduciary Trust Co | 1,979,131 | $1.26B | 0.28% | +70,806+3.7% | Added |
| D. E. Shaw & Co., Inc. | 1,901,787 | $1.21B | 0.75% | −786,443−29.3% | Reduced |
| Millennium Management LLC | 351,962 | $1.20B | 0.81% | +74,309+26.8% | Added |
| Amundi | 1,814,033 | $1.20B | 0.29% | −1,244,834−40.7% | Reduced |
| Capital International Investors | 1,803,588 | $1.15B | 0.24% | +1,803,588 | New |
| Exchange Traded Concepts, LLC | 1,789,659 | $1.14B | 5.65% | +1,738,509+3,398.8% | Added |
| WCM Investment Management, LLC | 1,632,121 | $1.06B | 1.93% | −4,929,689−75.1% | Reduced |
| Aequim Alternative Investments LP | – | $1.02B | 15.90% | – | – |
| BNP Paribas Arbitrage, SA | 1,493,593 | $997.3M | 0.52% | +304,637+25.6% | Added |
| Voya Investment Management LLC | 363,960 | $918.4M | 0.79% | −453,604−55.5% | Reduced |
| Anther Capital Ltd | 1,411,575 | $901.6M | 23.09% | +699,180+98.1% | Added |
| Deutsche Bank AG | 1,386,468 | $885.6M | 0.26% | −486,328−26.0% | Reduced |
| National Pension Service | 1,380,902 | $882.0M | 0.57% | −57,060−4.0% | Reduced |
| Maple Rock Capital Partners Inc. | 1,357,834 | $867.3M | 17.01% | −42,600−3.0% | Reduced |
| Calamos Advisors LLC | 47,719 | $855.6M | 3.10% | −2,101−4.2% | Reduced |
| Royal Bank of Canada | 1,312,031 | $838.5M | 0.14% | +40,957+3.2% | Added |
| UBS Group AG | 1,258,485 | $805.0M | 0.13% | −2,923,969−69.9% | Reduced |
| HSBC Holdings PLC | 1,178,779 | $752.8M | 0.36% | −366,388−23.7% | Reduced |
| Boussard & Gavaudan Gestion SAS | 44,500 | $752.4M | 38.04% | +44,500 | New |
| Jane Street Group, LLC | 1,052,246 | $672.1M | 0.43% | +1,017,740+2,949.5% | Added |
| Citigroup Inc | 1,007,000 | $654.7M | 0.30% | +434,507+75.9% | Added |
| Value Aligned Research Advisors, LLC | 988,429 | $631.3M | 3.77% | −307,010−23.7% | Reduced |
| Trivest Advisors Ltd | 982,600 | $627.6M | 19.73% | +637,600+184.8% | Added |
| Swiss National Bank | 975,987 | $623.4M | 0.33% | −27,320−2.7% | Reduced |
| Elequin Capital LP | 691 | $587.3M | 19.62% | +196+39.6% | Added |
| Qube Research & Technologies Ltd | 915,929 | $585.0M | 0.65% | +915,929 | New |
| National Bank of Canada | 909,546 | $581.0M | 0.51% | +474,815+109.2% | Added |
| Castle Hook Partners LP | 903,374 | $577.0M | 6.18% | +24,435+2.8% | Added |
| Wells Fargo & Company | 863,445 | $560.5M | 0.10% | −161,100−15.7% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 875,582 | $559.3M | 0.31% | +78,599+9.9% | Added |
| Wellington Management Group LLP | 863,206 | $554.9M | 0.10% | +830,157+2,511.9% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 855,124 | $546.2M | 0.31% | +18,458+2.2% | Added |
| AMF Pensionsforsakring AB | 850,847 | $543.5M | 3.22% | −523,063−38.1% | Reduced |
| Barclays PLC | 832,598 | $531.8M | 0.17% | −217,435−20.7% | Reduced |
| Clear Street Group Inc. | 817,892 | $522.4M | 1.65% | +577,142+239.7% | Added |
| Polar Capital Holdings Plc | 793,276 | $506.7M | 1.44% | −179,156−18.4% | Reduced |
| WT Asset Management Ltd | 784,212 | $500.9M | 9.91% | −32,495−4.0% | Reduced |
| California Public Employees Retirement System | 767,793 | $490.4M | 0.28% | +96,076+14.3% | Added |
| Nomura Asset Management International Inc. | 748,606 | $482.7M | 0.72% | −143,056−16.0% | Reduced |
| Franklin Resources Inc | 715,283 | $481.1M | 0.10% | +432,692+153.1% | Added |
| Vanguard Global Advisers, LLC | 746,976 | $477.1M | 0.22% | +1,820+0.2% | Added |
| First Trust Advisors LP | 738,165 | $471.5M | 0.28% | +368,276+99.6% | Added |
| Principal Financial Group Inc | 685,237 | $437.7M | 0.21% | +9,195+1.4% | Added |
| Vanguard Asset Management, Ltd | 663,387 | $423.7M | 0.29% | +74,995+12.7% | Added |
| Citadel Advisors LLC | 657,878 | $420.2M | 0.24% | +392,010+147.4% | Added |
| Jericho Capital Asset Management L.P. | 644,764 | $411.8M | 3.40% | +63,202+10.9% | Added |
| Rhumbline Advisers | 633,209 | $404.4M | 0.31% | +38,804+6.5% | Added |
| Robeco Institutional Asset Management B.V. | 630,680 | $402.8M | 0.49% | −354,005−36.0% | Reduced |
| Neuberger Berman Group LLC | 621,485 | $397.0M | 0.26% | +165,240+36.2% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 393,954 | $350.3M | 0.54% | −79,920−16.9% | Reduced |
| Renaissance Technologies LLC | 537,473 | $343.3M | 0.47% | −608,660−53.1% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 491,970 | $343.0M | 0.27% | −335,698−40.6% | Reduced |
| Acadian Asset Management LLC | 532,596 | $340.1M | 0.40% | −97,290−15.4% | Reduced |
| California State Teachers Retirement System | 529,792 | $338.4M | 0.31% | +5,356+1.0% | Added |
| Clal Insurance Enterprises Holdings Ltd | 523,250 | $334.2M | 1.50% | −125,000−19.3% | Reduced |
| Nomura Holdings Inc | 516,708 | $330.0M | 1.40% | +453,195+713.5% | Added |
| Primecap Management Co | 516,440 | $329.9M | 0.20% | −60,770−10.5% | Reduced |
| Susquehanna International Group, LLP | 515,710 | $329.4M | 0.29% | −53,118−9.3% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 434,683 | $319.3M | 0.32% | −2,338,908−84.3% | Reduced |
| LPL Financial LLC | 482,293 | $308.0M | 0.07% | +85,407+21.5% | Added |
| Nordea Investment Management AB | 455,363 | $295.3M | 0.24% | +74,992+19.7% | Added |
| Envestnet Asset Management Inc | 440,889 | $281.6M | 0.07% | −260,463−37.1% | Reduced |
| Canada Pension Plan Investment Board | 425,171 | $271.6M | 0.15% | +91,165+27.3% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 419,594 | $268.0M | 0.38% | +126,433+43.1% | Added |
| Victory Capital Management Inc | 357,077 | $263.6M | 0.15% | −139,932−28.2% | Reduced |
| SEI Investments Co | 490,425 | $263.5M | 0.23% | −124,749−20.3% | Reduced |
| Prudential Financial Inc | 408,974 | $261.2M | 0.28% | −207,670−33.7% | Reduced |
| Whale Rock Capital Management LLC | 400,687 | $255.9M | 2.05% | −11,319−2.7% | Reduced |
| Marshall Wace, LLP | 400,306 | $255.7M | 0.22% | −531,017−57.0% | Reduced |
| ProShare Advisors LLC | 395,320 | $252.5M | 0.37% | −105,972−21.1% | Reduced |
| Assetmark, Inc | 364,895 | $233.1M | 0.40% | +125,883+52.7% | Added |