Western DigitalWDC
13F holders, Q2 2026 (June 30)At the end of Q2 2026, 1,851 institutions reported holding Western Digital Corp. (WDC) in their 13F filings, up 429 from Q1 2026. 513 opened new positions and 89 sold out. The largest holders were BlackRock, Inc. ($21.0B), FMR LLC ($16.6B) and Vanguard Capital Management LLC ($14.4B). 12 famous investors held it, including Alex Sacerdote (2.1% of Whale Rock Capital Management's portfolio), David E. Shaw (0.8% of D. E. Shaw & Co.'s portfolio) and Cliff Asness (0.7% of AQR Capital Management's portfolio).
- Company
- Western Digital Corp.
- Sector
- Technology
- CUSIP
- 958102105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 513 | $3.3B |
| Exits | 89 | $927.9M |
All 13F filers, Q1 2026 → Q2 2026: 31,626,062 shares bought and 48,216,445 shares sold, net −16,590,383 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 1,851 holders
| BlackRock, Inc. | 0.31% | Reduce -7.9% | 32,953,613 | $21.0B |
| FMR LLC | 0.72% | Reduce -17.8% | 25,983,645 | $16.6B |
| Vanguard Capital Management LLC | 0.31% | Add +2.2% | 22,510,811 | $14.4B |
| JPMorgan Chase & Co. | 0.65% | Reduce -2.9% | 17,007,789 | $11.1B |
| Capital World Investors | 1.26% | Add +39.7% | 16,598,211 | $10.6B |
| State Street Corp. | 0.31% | Add +5.2% | 16,276,615 | $10.4B |
| Invesco Ltd. | 0.73% | Add +14.2% | 14,435,741 | $9.2B |
| Vanguard Portfolio Management LLC | 0.38% | Reduce -23.7% | 13,109,474 | $8.4B |
| Geode Capital Management, LLC | 0.29% | Reduce -11.2% | 8,411,628 | $5.4B |
| Morgan Stanley | 0.28% | Add +2.6% | 8,148,144 | $5.2B |
| Bank of America Corp. | 0.27% | Reduce -23.6% | 6,489,630 | $4.1B |
| Goldman Sachs Group Inc. | 0.35% | Reduce -4.2% | 5,178,993 | $3.3B |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.55% | Add +63.4% | 4,744,377 | $3.0B |
| Norges Bank | 0.29% | — | 4,629,232 | $3.0B |
| Nuveen, LLC | 0.58% | Add +29.1% | 3,819,103 | $2.4B |
| Northern Trust Corp. | 0.27% | Add +1.6% | 3,663,369 | $2.3B |
| Ameriprise Financial Inc. | 0.44% | Reduce -41.2% | 3,386,190 | $2.2B |
| AQR Capital Management | 0.65% | Reduce -15.0% | 2,940,948 | $1.9B |
| Bank of New York Mellon Corp | 0.31% | Add +16.3% | 2,916,885 | $1.9B |
| Capital Research Global Investors | 0.25% | Reduce -14.9% | 2,816,570 | $1.8B |
| Legal & General Group Plc | 0.33% | Add +17.9% | 2,509,592 | $1.6B |
| Dimensional Fund Advisors LP | 0.28% | Reduce -2.2% | 2,448,137 | $1.6B |
| Fred Alger Management, LLC | 4.70% | Reduce -17.1% | 2,206,326 | $1.4B |
| Charles Schwab Investment Management Inc. | 0.18% | Reduce -3.4% | 2,132,395 | $1.4B |
| T. Rowe Price Associates Inc. | 0.13% | Reduce -21.6% | 2,075,801 | $1.3B |
| Vanguard Fiduciary Trust Co. | 0.28% | Add +3.7% | 1,979,131 | $1.3B |
| D. E. Shaw & Co. | 0.80% | Reduce -29.3% | 1,901,787 | $1.2B |
| Amundi | 0.28% | Reduce -40.7% | 1,814,033 | $1.2B |
| Capital International Investors | 0.24% | New | 1,803,588 | $1.2B |
| Exchange Traded Concepts, LLC | 5.65% | Add +3398.8% | 1,789,659 | $1.1B |
| WCM Investment Management, LLC | 1.93% | Reduce -75.1% | 1,632,121 | $1.1B |
| Bank of Montreal | 0.38% | Add +16.3% | 1,634,675 | $1.0B |
| BNP Paribas Financial Markets | 0.50% | Add +25.6% | 1,493,593 | $954.0M |
| Anther Capital Ltd | 23.09% | Add +98.1% | 1,411,575 | $901.6M |
| Deutsche Bank AG | 0.26% | Reduce -26.0% | 1,386,468 | $885.6M |
| National Pension Service | 0.57% | Reduce -4.0% | 1,380,902 | $882.0M |
| Maple Rock Capital Partners Inc. | 17.01% | Reduce -3.0% | 1,357,834 | $867.3M |
| Royal Bank of Canada | 0.14% | Add +3.2% | 1,312,031 | $838.0M |
| UBS Group AG | 0.13% | Reduce -69.9% | 1,258,485 | $803.8M |
| HSBC Holdings PLC | 0.36% | Reduce -23.7% | 1,178,779 | $752.8M |
| Jane Street Group, LLC | 0.43% | Add +2949.5% | 1,052,246 | $672.1M |
| Citigroup Inc. | 0.30% | Add +75.9% | 1,007,000 | $643.2M |
| Value Aligned Research Advisors, LLC | 3.77% | Reduce -23.7% | 988,429 | $631.3M |
| Trivest Advisors Ltd | 19.73% | Add +184.8% | 982,600 | $627.6M |
| Swiss National Bank | 0.33% | Reduce -2.7% | 975,987 | $623.4M |
| Qube Research & Technologies Ltd | 0.65% | New | 915,929 | $585.0M |
| National Bank of Canada | 0.51% | Add +109.2% | 909,546 | $581.0M |
| Castle Hook Partners LP | 6.18% | Add +2.8% | 903,374 | $577.0M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.31% | Add +9.9% | 875,582 | $559.3M |
| Wells Fargo & Company | 0.10% | Reduce -15.7% | 863,445 | $551.5M |
| Wellington Management Group LLP | 0.10% | Add +2511.9% | 863,206 | $551.3M |
| Sumitomo Mitsui Trust Group, Inc. | 0.31% | Add +2.2% | 855,124 | $546.2M |
| AMF Tjanstepension AB | 3.22% | Reduce -38.1% | 850,847 | $543.5M |
| Barclays PLC | 0.17% | Reduce -20.7% | 832,598 | $531.8M |
| Clear Street Group Inc. | 1.65% | Add +239.7% | 817,892 | $522.4M |
| Polar Capital Holdings Plc | 1.44% | Reduce -18.4% | 793,276 | $506.7M |
| WT Asset Management Ltd | 9.93% | Reduce -4.0% | 784,212 | $500.9M |
| Bank of Nova Scotia | 0.77% | Add +115.7% | 783,212 | $500.3M |
| California Public Employees Retirement System | 0.28% | Add +14.3% | 767,793 | $490.4M |
| Nomura Asset Management International Inc. | 0.72% | Reduce -16.0% | 748,606 | $478.1M |
| Vanguard Global Advisers, LLC | 0.22% | Add +0.2% | 746,976 | $477.1M |
| First Trust Advisors LP | 0.28% | Add +99.6% | 738,165 | $471.5M |
| Franklin Resources Inc. | 0.10% | Add +153.1% | 715,283 | $456.9M |
| Principal Financial Group Inc. | 0.21% | Add +1.4% | 685,237 | $437.7M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.29% | Add +12.8% | 663,387 | $423.7M |
| Citadel Advisors | 0.24% | Add +147.4% | 657,878 | $420.2M |
| Jericho Capital Asset Management L.P. | 3.40% | Add +10.9% | 644,764 | $411.8M |
| Rhumbline Advisers | 0.31% | Add +6.5% | 633,209 | $404.4M |
| Robeco Institutional Asset Management B.V. | 0.49% | Reduce -36.0% | 630,680 | $402.8M |
| Neuberger Berman Group LLC | 0.27% | Add +36.2% | 621,485 | $397.0M |
| Renaissance Technologies | 0.47% | Reduce -53.1% | 537,473 | $343.3M |
| Acadian Asset Management LLC | 0.40% | Reduce -15.4% | 532,596 | $340.1M |
| California State Teachers Retirement System | 0.31% | Add +1.0% | 529,792 | $338.4M |
| Clal Insurance Enterprises Holdings Ltd | 1.50% | Reduce -19.3% | 523,250 | $334.2M |
| Primecap Management Co. | 0.20% | Reduce -10.5% | 516,440 | $329.9M |
| Susquehanna International Group, LLP | 0.29% | Reduce -9.3% | 515,710 | $329.4M |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0.25% | Reduce -40.6% | 491,970 | $314.2M |
| LPL Financial LLC | 0.07% | Add +21.5% | 482,293 | $308.0M |
| Nordea Investment Management AB | 0.24% | Add +19.7% | 455,363 | $295.3M |
| Envestnet Asset Management Inc. | 0.07% | Reduce -37.1% | 440,889 | $281.6M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.28% | Add +16.4% | 434,683 | $277.9M |
| Canada Pension Plan Investment Board | 0.15% | Add +27.3% | 425,171 | $271.6M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.38% | Add +43.1% | 419,594 | $268.0M |
| Sei Investments Co. | 0.23% | Reduce -17.1% | 410,425 | $262.1M |
| Prudential Financial Inc. | 0.28% | Reduce -33.7% | 408,974 | $261.2M |
| Whale Rock Capital Management | 2.05% | Reduce -2.8% | 400,687 | $255.9M |
| Marshall Wace, LLP | 0.22% | Reduce -57.0% | 400,306 | $255.7M |
| ProShare Advisors LLC | 0.37% | Reduce -21.1% | 395,320 | $252.5M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.39% | Reduce -16.9% | 393,954 | $250.3M |
| Assetmark, Inc. | 0.40% | Add +52.7% | 364,895 | $233.1M |
| Voya Investment Management LLC | 0.23% | Reduce -55.5% | 363,960 | $232.5M |
| Victory Capital Management Inc. | 0.13% | Reduce -28.1% | 357,077 | $228.1M |
| Nomura Asset Management Co. Ltd. | 0.49% | Reduce -29.9% | 356,832 | $227.9M |
| Millennium Management | 0.16% | Add +26.8% | 351,962 | $224.8M |
| Russell Investments Group, Ltd. | 0.20% | Reduce -13.2% | 348,674 | $223.4M |
| New York State Common Retirement Fund | 0.28% | Add +84.8% | 349,003 | $222.9M |
| Pictet Asset Management Holding SA | 0.21% | Add +61.5% | 348,441 | $222.6M |
| Natixis Advisors, LLC | 0.24% | Reduce -21.9% | 330,929 | $211.4M |
| Bahl & Gaynor LLC | 0.95% | Reduce -1.3% | 321,167 | $205.1M |
| Amanah Holdings Trust | 11.82% | No change | 315,000 | $201.2M |
"% of holder's portfolio" is WDC's weight in each manager's 13F, not the share of Western Digital Corp. the manager owns.