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 |
|---|---|---|---|---|---|
| Danske Bank A/S | 323,908 | $87.6M | 0.21% | −16,615−4.9% | Reduced |
| PFA Pension, Forsikringsaktieselskab | 318,651 | $86.2M | 0.26% | +38,598+13.8% | Added |
| Amanah Holdings Trust | 315,000 | $85.2M | 9.38% | 00.0% | Unchanged |
| Raymond James Financial Inc | 310,095 | $83.9M | 0.03% | −26,708−7.9% | Reduced |
| Aviva PLC | 307,992 | $83.3M | 0.14% | +2,684+0.9% | Added |
| State Board of Administration of Florida Retirement System | 300,995 | $81.4M | 0.15% | −2,691−0.9% | Reduced |
| Adage Capital Partners GP, L.L.C. | 293,737 | $79.5M | 0.12% | +35,100+13.6% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 293,161 | $79.3M | 0.13% | +145,961+99.2% | Added |
| New York State Teachers Retirement System | 285,549 | $77.2M | 0.16% | −2,852−1.0% | Reduced |
| Franklin Resources Inc | 282,591 | $76.4M | 0.02% | −74,381−20.8% | Reduced |
| Millennium Management LLC | 277,653 | $75.1M | 0.06% | −39,552−12.5% | Reduced |
| Ieq Capital, LLC | 276,112 | $74.7M | 0.35% | +31,332+12.8% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 275,539 | $74.5M | 0.17% | +45,068+19.6% | Added |
| XN LP | 275,482 | $74.5M | 2.74% | +275,482 | New |
| Citadel Advisors LLC | 265,868 | $71.9M | 0.05% | −1,053,898−79.9% | Reduced |
| Schroder Investment Management Group | 265,088 | $71.7M | 0.06% | −20,113−7.1% | Reduced |
| Standard Life Aberdeen plc | 262,328 | $71.0M | 0.11% | −10,159−3.7% | Reduced |
| Teacher Retirement System of Texas | 258,564 | $69.9M | 0.29% | −108,776−29.6% | Reduced |
| Squarepoint Ops LLC | 258,100 | $69.8M | 0.15% | −264,190−50.6% | Reduced |
| Thrivent Financial for Lutherans | 256,773 | $69.3M | 0.13% | +130,155+102.8% | Added |
| Bridgewater Associates, LP | 249,039 | $67.4M | 0.30% | +176,700+244.3% | Added |
| DekaBank Deutsche Girozentrale | 240,010 | $66.0M | 0.11% | 00.0% | Unchanged |
| KBC Group NV | 241,827 | $65.4M | 0.16% | −355,182−59.5% | Reduced |
| Clear Street Group Inc. | 240,750 | $65.1M | 0.37% | +240,750 | New |
| Assetmark, Inc | 239,012 | $64.7M | 0.13% | −30,898−11.4% | Reduced |
| NEOS Investment Management LLC | 233,321 | $63.1M | 0.32% | +101,002+76.3% | Added |
| Mirae Asset Global Investments Co., Ltd. | 227,957 | $61.7M | 0.18% | +43,682+23.7% | Added |
| AustralianSuper Pty Ltd | 224,701 | $60.8M | 0.32% | −126,971−36.1% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 222,272 | $60.1M | 0.08% | −3,267−1.4% | Reduced |
| State of Wisconsin Investment Board | 222,130 | $60.1M | 0.14% | −4,836−2.1% | Reduced |
| Royal London Asset Management Ltd | 219,458 | $59.4M | 0.12% | +47,857+27.9% | Added |
| Jones Financial Companies LLLP | 212,488 | $58.5M | 0.03% | +197,897+1,356.3% | Added |
| Pictet Asset Management Holding SA | 215,749 | $58.3M | 0.06% | −126,767−37.0% | Reduced |
| O'Shaughnessy Asset Management, LLC | 211,887 | $57.3M | 0.29% | +47,155+28.6% | Added |
| HRT Financial LP | 211,229 | $57.1M | 0.14% | +211,229 | New |
| Capitolis Liquid Global Markets LLC | 211,200 | $57.1M | 0.36% | +211,200 | New |
| Hawk Ridge Capital Management LP | 209,400 | $56.6M | 2.06% | −116,300−35.7% | Reduced |
| Braun Stacey Associates Inc | 207,494 | $56.1M | 1.87% | −35,872−14.7% | Reduced |
| Walleye Trading LLC | 206,486 | $55.9M | 1.15% | +114,978+125.6% | Added |
| Gendell Jeffrey L | 200,009 | $54.1M | 0.74% | −10,180−4.8% | Reduced |
| Rokos Capital Management LLP | 198,460 | $53.7M | 0.95% | +198,460 | New |
| American Century Companies Inc | 198,164 | $53.6M | 0.03% | +56,079+39.5% | Added |
| Great West Life Assurance Co | 196,065 | $53.2M | 0.10% | +9,165+4.9% | Added |
| Swedbank AB | 195,532 | $52.9M | 0.06% | −28,783−12.8% | Reduced |
| ARS Investment Partners, LLC | 191,888 | $51.9M | 2.70% | −67,328−26.0% | Reduced |
| Samlyn Capital, LLC | 189,287 | $51.2M | 0.88% | +189,287 | New |
| Avala Global LP | 189,100 | $51.1M | 2.46% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 188,879 | $51.1M | 0.07% | +11,300+6.4% | Added |
| Massachusetts Financial Services Co | 185,516 | $50.2M | 0.02% | +171,574+1,230.6% | Added |
| Worldquant Millennium Advisors LLC | 184,934 | $50.0M | 0.19% | −456,991−71.2% | Reduced |
| Empowered Funds, LLC | 184,287 | $49.8M | 0.32% | +184,287 | New |
| Treasurer of the State of North Carolina | 182,894 | $49.5M | 0.16% | +6,725+3.8% | Added |
| Mariner, LLC | 180,497 | $48.8M | 0.06% | +45,309+33.5% | Added |
| Manufacturers Life Insurance Company, The | 179,927 | $48.7M | 0.04% | −15,432−7.9% | Reduced |
| Ensign Peak Advisors, Inc | 177,891 | $48.1M | 0.09% | +87,284+96.3% | Added |
| SG Americas Securities, LLC | 177,180 | $47.9M | 0.05% | +52,979+42.7% | Added |
| 1832 Asset Management L.P. | 175,013 | $47.3M | 0.06% | +156,771+859.4% | Added |
| Talos Asset Management LP | 173,792 | $47.0M | 8.03% | −33,042−16.0% | Reduced |
| ING Groep NV | 173,456 | $46.9M | 0.29% | −61,254−26.1% | Reduced |
| TD Asset Management Inc | 173,242 | $46.9M | 0.04% | +32,695+23.3% | Added |
| Cerity Partners LLC | 173,004 | $46.8M | 0.07% | −7,591−4.2% | Reduced |
| KLP Kapitalforvaltning AS | 172,723 | $46.7M | 0.18% | +4,400+2.6% | Added |
| Vanguard Investments Australia, Ltd. | 170,650 | $46.2M | 0.13% | +170,650 | New |
| Chevy Chase Trust Holdings, Inc. | 167,328 | $45.3M | 0.13% | −6,056−3.5% | Reduced |
| Stifel Financial Corp | 166,695 | $45.1M | 0.04% | +6,002+3.7% | Added |
| CIBC Bancorp USA Inc. | 163,532 | $44.2M | 0.06% | +163,532 | New |
| APG Asset Management N.V. | 181,649 | $42.6M | 0.14% | −17,468−8.8% | Reduced |
| Employees Retirement System of Texas | 155,548 | $42.1M | 0.37% | +155,548 | New |
| Alyeska Investment Group, L.P. | 155,284 | $42.0M | 0.12% | −22,008−12.4% | Reduced |
| LGT Group Foundation | 154,500 | $41.8M | 0.51% | −9,349−5.7% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 153,795 | $41.6M | 0.10% | +13,268+9.4% | Added |
| Crossmark Global Holdings, Inc. | 152,664 | $41.3M | 0.61% | +907+0.6% | Added |
| Asset Management One Co.,Ltd. | 148,345 | $40.1M | 0.12% | −4,531−3.0% | Reduced |
| Tredje AP-fonden | 148,214 | $40.1M | 0.22% | −94,715−39.0% | Reduced |
| Toronto Dominion Bank | 146,440 | $39.6M | 0.08% | −29,818−16.9% | Reduced |
| Jupiter Asset Management Ltd | 142,800 | $38.6M | 0.21% | +76,607+115.7% | Added |
| CIBC Asset Management Inc | 141,348 | $38.2M | 0.09% | −1,928−1.3% | Reduced |
| Mercer Global Advisors Inc | 141,222 | $38.2M | 0.06% | −1,454−1.0% | Reduced |
| Ceredex Value Advisors LLC | 140,666 | $38.0M | 1.20% | −89,753−39.0% | Reduced |
| Public Employees Retirement System of Ohio | 140,165 | $37.9M | 0.12% | −11,589−7.6% | Reduced |
| Atalan Capital Partners, LP | 134,550 | $36.4M | 3.35% | −570,850−80.9% | Reduced |
| Handelsbanken Fonder AB | 134,500 | $36.4M | 0.12% | −1,000−0.7% | Reduced |
| Migdal Insurance & Financial Holdings Ltd. | 134,000 | $36.2M | 0.31% | +134,000 | New |
| Mn Services Vermogensbeheer B.V. | 132,875 | $35.9M | 0.24% | −2,200−1.6% | Reduced |
| Creative Planning | 131,649 | $35.6M | 0.02% | +24,791+23.2% | Added |
| Candriam Luxembourg S.C.A. | 130,989 | $35.4M | 0.18% | −25,320−16.2% | Reduced |
| Spartan Wealth Advisory Services LLC | 128,061 | $34.6M | 3.03% | +128,061 | New |
| Alta Park Capital, LP | 126,583 | $34.2M | 5.51% | −266,896−67.8% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 124,661 | $33.7M | 0.50% | 00.0% | Unchanged |
| Illinois Municipal Retirement Fund | 124,156 | $33.6M | 0.43% | −15,376−11.0% | Reduced |
| CWM, LLC | 120,888 | $32.7M | 0.09% | +18,361+17.9% | Added |
| Rafferty Asset Management, LLC | 120,183 | $32.5M | 0.13% | −57,473−32.4% | Reduced |
| State of Tennessee, Treasury Department | 120,116 | $32.5M | 0.11% | −2,062−1.7% | Reduced |
| STRS Ohio | 119,438 | $32.3M | 0.13% | −32,412−21.3% | Reduced |
| Deprince Race & Zollo Inc | 118,245 | $32.0M | 0.60% | −62,494−34.6% | Reduced |
| Colony Group, LLC | 117,137 | $32.0M | 0.04% | +71,028+154.0% | Added |
| State of New Jersey Common Pension Fund D | 117,489 | $31.8M | 0.12% | −1,822−1.5% | Reduced |
| Rivermont Capital Management LP | 115,665 | $31.3M | 6.59% | −38,644−25.0% | Reduced |
| Schonfeld Strategic Advisors LLC | 113,743 | $30.8M | 0.25% | −95,238−45.6% | Reduced |
| Cetera Investment Advisers | 112,415 | $30.4M | 0.03% | +17,861+18.9% | Added |