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; 1,851 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, 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
Q3 2026 data is still coming in: 7 institutions have reported holding WDC so far. See Q3 2026
- Institutional holders
- 1,851
- +446 vs. Q1 2026
- Shares held
- 323.2M
- −11.4M (−3.4%) vs. Q1 2026
- Total value
- $206.3B
- +$116.3B (+129.4%) vs. Q1 2026
- New holders
- 536
- 596 more added
- Sold out
- 90
- 604 more reduced
16 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 | 1,851 | $206.3B |
| Q1 2026 | 1,421 | $90.0B |
| Q4 2025 | 1,174 | $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, 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 |
|---|---|---|---|---|---|
| Wellington Management Group LLP | 863,206 | $551.3M | 0.10% | +830,157+2,511.9% | Added |
| Wells Fargo & Company | 863,445 | $551.5M | 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 |
| Castle Hook Partners LP | 903,374 | $577.0M | 6.18% | +24,435+2.8% | Added |
| National Bank of Canada | 909,546 | $581.0M | 0.51% | +474,815+109.2% | Added |
| Qube Research & Technologies Ltd | 915,929 | $585.0M | 0.65% | +915,929 | New |
| Swiss National Bank | 975,987 | $623.4M | 0.33% | −27,320−2.7% | Reduced |
| Trivest Advisors Ltd | 982,600 | $627.6M | 19.73% | +637,600+184.8% | Added |
| Value Aligned Research Advisors, LLC | 988,429 | $631.3M | 3.77% | −307,010−23.7% | Reduced |
| Citigroup Inc | 1,007,000 | $643.2M | 0.30% | +434,507+75.9% | Added |
| Jane Street Group, LLC | 1,052,246 | $672.1M | 0.43% | +1,017,740+2,949.5% | Added |
| HSBC Holdings PLC | 1,178,779 | $752.8M | 0.36% | −366,388−23.7% | Reduced |
| UBS Group AG | 1,258,485 | $803.8M | 0.13% | −2,923,969−69.9% | Reduced |
| Royal Bank of Canada | 1,312,031 | $838.0M | 0.14% | +40,957+3.2% | Added |
| Maple Rock Capital Partners Inc. | 1,357,834 | $867.3M | 17.01% | −42,600−3.0% | Reduced |
| National Pension Service | 1,380,902 | $882.0M | 0.57% | −57,060−4.0% | Reduced |
| Deutsche Bank AG | 1,386,468 | $885.6M | 0.26% | −486,328−26.0% | Reduced |
| Anther Capital Ltd | 1,411,575 | $901.6M | 23.09% | +699,180+98.1% | Added |
| BNP Paribas Arbitrage, SA | 1,493,593 | $954.0M | 0.50% | +304,637+25.6% | Added |
| Bank of Montreal | 1,634,675 | $1.04B | 0.39% | +229,633+16.3% | Added |
| WCM Investment Management, LLC | 1,632,121 | $1.06B | 1.93% | −4,929,689−75.1% | Reduced |
| Exchange Traded Concepts, LLC | 1,789,659 | $1.14B | 5.65% | +1,738,509+3,398.8% | Added |
| Capital International Investors | 1,803,588 | $1.15B | 0.24% | +1,803,588 | New |
| Amundi | 1,814,033 | $1.16B | 0.28% | −1,244,834−40.7% | Reduced |
| D. E. Shaw & Co., Inc. | 1,901,787 | $1.21B | 0.75% | −786,443−29.3% | Reduced |
| Vanguard Fiduciary Trust Co | 1,979,131 | $1.26B | 0.28% | +70,806+3.7% | Added |
| Price T Rowe Associates Inc | 2,075,801 | $1.33B | 0.13% | −570,683−21.6% | Reduced |
| Charles Schwab Investment Management Inc | 2,132,395 | $1.36B | 0.18% | −74,546−3.4% | Reduced |
| Fred Alger Management, LLC | 2,206,326 | $1.41B | 4.70% | −453,509−17.1% | Reduced |
| Dimensional Fund Advisors LP | 2,448,137 | $1.56B | 0.28% | −55,184−2.2% | Reduced |
| Legal & General Group Plc | 2,509,592 | $1.60B | 0.33% | +380,422+17.9% | Added |
| Capital Research Global Investors | 2,816,570 | $1.80B | 0.25% | −493,055−14.9% | Reduced |
| Bank of New York Mellon Corp | 2,916,885 | $1.86B | 0.31% | +408,133+16.3% | Added |
| AQR Capital Management LLC | 2,940,948 | $1.88B | 0.65% | −518,617−15.0% | Reduced |
| Ameriprise Financial Inc | 3,386,190 | $2.16B | 0.44% | −2,376,343−41.2% | Reduced |
| Northern Trust Corp | 3,663,369 | $2.34B | 0.27% | +56,806+1.6% | Added |
| Nuveen, LLC | 3,819,103 | $2.44B | 0.58% | +859,858+29.1% | Added |
| Norges Bank | 4,629,232 | $2.96B | 0.29% | +4,629,232 | New |
| UBS Asset Management Americas Inc | 4,744,377 | $3.03B | 0.55% | +1,841,629+63.4% | Added |
| Goldman Sachs Group Inc | 5,178,993 | $3.31B | 0.35% | −227,890−4.2% | Reduced |
| Bank of America Corp | 6,489,630 | $4.15B | 0.27% | −1,999,982−23.6% | Reduced |
| Morgan Stanley | 8,148,144 | $5.20B | 0.28% | +209,038+2.6% | Added |
| Geode Capital Management, LLC | 8,411,628 | $5.35B | 0.29% | −1,065,573−11.2% | Reduced |
| Vanguard Portfolio Management LLC | 13,109,474 | $8.37B | 0.38% | −4,063,179−23.7% | Reduced |
| Invesco Ltd. | 14,435,741 | $9.22B | 0.73% | +1,789,320+14.1% | Added |
| State Street Corp | 16,276,615 | $10.4B | 0.31% | +810,849+5.2% | Added |
| Capital World Investors | 16,598,211 | $10.6B | 1.25% | +4,718,173+39.7% | Added |
| JPMorgan Chase & Co | 17,007,789 | $11.1B | 0.65% | −504,359−2.9% | Reduced |
| Vanguard Capital Management LLC | 22,510,811 | $14.4B | 0.31% | +475,950+2.2% | Added |
| FMR LLC | 25,983,645 | $16.6B | 0.72% | −5,639,773−17.8% | Reduced |
| BlackRock, Inc. | 32,953,613 | $21.0B | 0.31% | −2,815,609−7.9% | Reduced |
| Soroban Capital Partners LP | 0 | $0 | 0.00% | −1,146,273−100.0% | Sold out |
| Employees Provident Fund Board | 0 | $0 | 0.00% | −405,167−100.0% | Sold out |
| Capitolis Liquid Global Markets LLC | 0 | $0 | 0.00% | −211,200−100.0% | Sold out |
| Hawk Ridge Capital Management LP | 0 | $0 | 0.00% | −209,400−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −206,486−100.0% | Sold out |
| Talos Asset Management LP | 0 | $0 | 0.00% | −173,792−100.0% | Sold out |
| Atalan Capital Partners, LP | 0 | $0 | 0.00% | −134,550−100.0% | Sold out |
| Migdal Insurance & Financial Holdings Ltd. | 0 | $0 | 0.00% | −134,000−100.0% | Sold out |
| Susquehanna Portfolio Strategies, LLC | 0 | $0 | 0.00% | −124,661−100.0% | Sold out |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 0 | $0 | 0.00% | −78,976−100.0% | Sold out |
| Melqart Asset Management (UK) Ltd | 0 | $0 | 0.00% | −64,216−100.0% | Sold out |
| Tyro Capital Management LLC | 0 | $0 | 0.00% | −59,548−100.0% | Sold out |
| Entropy Technologies, LP | 0 | $0 | 0.00% | −55,665−100.0% | Sold out |
| Attestor Capital Ltd | 0 | $0 | 0.00% | −52,927−100.0% | Sold out |
| Maytus Capital Management, LLC | 0 | $0 | 0.00% | −52,501−100.0% | Sold out |
| Mubadala Investment Co PJSC | 0 | $0 | 0.00% | −43,980−100.0% | Sold out |
| Parkwood LLC | 0 | $0 | 0.00% | −41,818−100.0% | Sold out |
| Oribel Capital Management, LP | 0 | $0 | 0.00% | −28,200−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −23,945−100.0% | Sold out |
| Cavalier Investments, LLC | 0 | $0 | 0.00% | −22,610−100.0% | Sold out |
| TTP Investments, Inc. | 0 | $0 | 0.00% | −20,897−100.0% | Sold out |
| Highland Peak Capital, LLC | 0 | $0 | 0.00% | −18,437−100.0% | Sold out |
| Pinkerton Retirement Specialists, LLC | 0 | $0 | 0.00% | −26,783−100.0% | Sold out |
| O'Connor Alternative Investments LLC | 0 | $0 | 0.00% | −12,000−100.0% | Sold out |
| Dymon Asia Capital (Singapore) Pte. Ltd. | 0 | $0 | 0.00% | −9,805−100.0% | Sold out |
| Evoke Wealth, LLC | 0 | $0 | 0.00% | −6,500−100.0% | Sold out |
| Abc Arbitrage SA | 0 | $0 | 0.00% | −5,722−100.0% | Sold out |
| Catalyst Funds Management Pty Ltd | 0 | $0 | 0.00% | −4,453−100.0% | Sold out |
| Capital Performance Advisors LLP | 0 | $0 | 0.00% | −4,442−100.0% | Sold out |
| Q3 Asset Management | 0 | $0 | 0.00% | −4,309−100.0% | Sold out |
| AIA Group Ltd | 0 | $0 | 0.00% | −4,137−100.0% | Sold out |
| Bailard, Inc. | 0 | $0 | 0.00% | −4,040−100.0% | Sold out |
| Friedenthal Financial | 0 | $0 | 0.00% | −3,998−100.0% | Sold out |
| Redwood Investment Management, LLC | 0 | $0 | 0.00% | −3,989−100.0% | Sold out |
| GenTrust, LLC | 0 | $0 | 0.00% | −2,605−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −2,475−100.0% | Sold out |
| Encompass More Asset Management | 0 | $0 | 0.00% | −2,267−100.0% | Sold out |
| VARCOV Co. | 0 | $0 | 0.00% | −2,084−100.0% | Sold out |
| Arista Wealth Management, LLC | 0 | $0 | 0.00% | −2,006−100.0% | Sold out |
| BigSur Wealth Management LLC | 0 | $0 | 0.00% | −2,000−100.0% | Sold out |
| Inceptionr LLC | 0 | $0 | 0.00% | −1,936−100.0% | Sold out |
| Farringdon Capital, Ltd. | 0 | $0 | 0.00% | −1,813−100.0% | Sold out |
| Lighthouse Investment Partners, LLC | 0 | $0 | 0.00% | −1,777−100.0% | Sold out |
| EntryPoint Capital, LLC | 0 | $0 | 0.00% | −1,773−100.0% | Sold out |
| a16z Perennial Management, L.P. | 0 | $0 | 0.00% | −1,771−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −1,681−100.0% | Sold out |
| Lloyd Advisory Services, LLC. | 0 | $0 | 0.00% | −1,672−100.0% | Sold out |
| Fullerton Fund Management Co Ltd. | 0 | $0 | 0.00% | −1,421−100.0% | Sold out |
| nVerses Capital, LLC | 0 | $0 | 0.00% | −1,366−100.0% | Sold out |