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 |
|---|---|---|---|---|---|
| Czech National Bank | 92,336 | $25.0M | 0.16% | +2,182+2.4% | Added |
| Arizona State Retirement System | 93,674 | $25.3M | 0.15% | −1,928−2.0% | Reduced |
| US Bancorp | 93,840 | $25.4M | 0.03% | −282−0.3% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 94,398 | $25.6M | 0.06% | +19,539+26.1% | Added |
| SEB Asset Management AB | 95,487 | $25.8M | 0.11% | +95,487 | New |
| Panagora Asset Management Inc | 96,741 | $26.2M | 0.10% | +58,267+151.4% | Added |
| Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. | 96,947 | $26.2M | 2.22% | −130,378−57.4% | Reduced |
| Nissay Asset Management Corp | 97,121 | $26.3M | 0.14% | +1,946+2.0% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 97,488 | $26.4M | 0.06% | +7,491+8.3% | Added |
| GWM Advisors LLC | 99,548 | $26.9M | 0.10% | +59,169+146.5% | Added |
| Capital Fund Management S.A. | 100,563 | $27.2M | 0.24% | −126,534−55.7% | Reduced |
| Nisa Investment Advisors, LLC | 101,402 | $27.4M | 0.10% | −82−0.1% | Reduced |
| State of Michigan Retirement System | 102,657 | $27.8M | 0.15% | −1,000−1.0% | Reduced |
| FIL Ltd | 103,738 | $28.1M | 0.02% | +26,856+34.9% | Added |
| Gateway Investment Advisers LLC | 106,203 | $28.7M | 0.32% | +59,427+127.0% | Added |
| Allianz Asset Management GmbH | 106,215 | $28.7M | 0.03% | −21,097−16.6% | Reduced |
| Resona Asset Management Co.,Ltd. | 107,825 | $28.8M | 0.14% | +142+0.1% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 106,598 | $28.8M | 0.30% | −156,410−59.5% | Reduced |
| Apis Capital Advisors, LLC | 109,600 | $29.6M | 4.57% | −70,300−39.1% | Reduced |
| Eurizon Capital SGR S.p.A. | 110,156 | $29.7M | 0.09% | +110,156 | New |
| Cetera Investment Advisers | 112,415 | $30.4M | 0.03% | +17,861+18.9% | Added |
| Schonfeld Strategic Advisors LLC | 113,743 | $30.8M | 0.25% | −95,238−45.6% | Reduced |
| Rivermont Capital Management LP | 115,665 | $31.3M | 6.59% | −38,644−25.0% | Reduced |
| State of New Jersey Common Pension Fund D | 117,489 | $31.8M | 0.12% | −1,822−1.5% | Reduced |
| Colony Group, LLC | 117,137 | $32.0M | 0.04% | +71,028+154.0% | Added |
| Deprince Race & Zollo Inc | 118,245 | $32.0M | 0.60% | −62,494−34.6% | Reduced |
| STRS Ohio | 119,438 | $32.3M | 0.13% | −32,412−21.3% | Reduced |
| State of Tennessee, Treasury Department | 120,116 | $32.5M | 0.11% | −2,062−1.7% | Reduced |
| Rafferty Asset Management, LLC | 120,183 | $32.5M | 0.13% | −57,473−32.4% | Reduced |
| CWM, LLC | 120,888 | $32.7M | 0.09% | +18,361+17.9% | Added |
| Illinois Municipal Retirement Fund | 124,156 | $33.6M | 0.43% | −15,376−11.0% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 124,661 | $33.7M | 0.50% | 00.0% | Unchanged |
| Alta Park Capital, LP | 126,583 | $34.2M | 5.51% | −266,896−67.8% | Reduced |
| Spartan Wealth Advisory Services LLC | 128,061 | $34.6M | 3.03% | +128,061 | New |
| Candriam Luxembourg S.C.A. | 130,989 | $35.4M | 0.18% | −25,320−16.2% | Reduced |
| Creative Planning | 131,649 | $35.6M | 0.02% | +24,791+23.2% | Added |
| Mn Services Vermogensbeheer B.V. | 132,875 | $35.9M | 0.24% | −2,200−1.6% | Reduced |
| Migdal Insurance & Financial Holdings Ltd. | 134,000 | $36.2M | 0.31% | +134,000 | New |
| Handelsbanken Fonder AB | 134,500 | $36.4M | 0.12% | −1,000−0.7% | Reduced |
| Atalan Capital Partners, LP | 134,550 | $36.4M | 3.35% | −570,850−80.9% | Reduced |
| Public Employees Retirement System of Ohio | 140,165 | $37.9M | 0.12% | −11,589−7.6% | Reduced |
| Ceredex Value Advisors LLC | 140,666 | $38.0M | 1.20% | −89,753−39.0% | Reduced |
| Mercer Global Advisors Inc | 141,222 | $38.2M | 0.06% | −1,454−1.0% | Reduced |
| CIBC Asset Management Inc | 141,348 | $38.2M | 0.09% | −1,928−1.3% | Reduced |
| Jupiter Asset Management Ltd | 142,800 | $38.6M | 0.21% | +76,607+115.7% | Added |
| Toronto Dominion Bank | 146,440 | $39.6M | 0.08% | −29,818−16.9% | Reduced |
| Tredje AP-fonden | 148,214 | $40.1M | 0.22% | −94,715−39.0% | Reduced |
| Asset Management One Co.,Ltd. | 148,345 | $40.1M | 0.12% | −4,531−3.0% | Reduced |
| Crossmark Global Holdings, Inc. | 152,664 | $41.3M | 0.61% | +907+0.6% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 153,795 | $41.6M | 0.10% | +13,268+9.4% | Added |
| LGT Group Foundation | 154,500 | $41.8M | 0.51% | −9,349−5.7% | Reduced |
| Alyeska Investment Group, L.P. | 155,284 | $42.0M | 0.12% | −22,008−12.4% | Reduced |
| Employees Retirement System of Texas | 155,548 | $42.1M | 0.37% | +155,548 | New |
| APG Asset Management N.V. | 181,649 | $42.6M | 0.14% | −17,468−8.8% | Reduced |
| CIBC Bancorp USA Inc. | 163,532 | $44.2M | 0.06% | +163,532 | New |
| Stifel Financial Corp | 166,695 | $45.1M | 0.04% | +6,002+3.7% | Added |
| Chevy Chase Trust Holdings, Inc. | 167,328 | $45.3M | 0.13% | −6,056−3.5% | Reduced |
| Vanguard Investments Australia, Ltd. | 170,650 | $46.2M | 0.13% | +170,650 | New |
| KLP Kapitalforvaltning AS | 172,723 | $46.7M | 0.18% | +4,400+2.6% | Added |
| Cerity Partners LLC | 173,004 | $46.8M | 0.07% | −7,591−4.2% | Reduced |
| TD Asset Management Inc | 173,242 | $46.9M | 0.04% | +32,695+23.3% | Added |
| ING Groep NV | 173,456 | $46.9M | 0.29% | −61,254−26.1% | Reduced |
| Talos Asset Management LP | 173,792 | $47.0M | 8.03% | −33,042−16.0% | Reduced |
| 1832 Asset Management L.P. | 175,013 | $47.3M | 0.06% | +156,771+859.4% | Added |
| SG Americas Securities, LLC | 177,180 | $47.9M | 0.05% | +52,979+42.7% | Added |
| Ensign Peak Advisors, Inc | 177,891 | $48.1M | 0.09% | +87,284+96.3% | Added |
| Manufacturers Life Insurance Company, The | 179,927 | $48.7M | 0.04% | −15,432−7.9% | Reduced |
| Mariner, LLC | 180,497 | $48.8M | 0.06% | +45,309+33.5% | Added |
| Treasurer of the State of North Carolina | 182,894 | $49.5M | 0.16% | +6,725+3.8% | Added |
| Empowered Funds, LLC | 184,287 | $49.8M | 0.32% | +184,287 | New |
| Worldquant Millennium Advisors LLC | 184,934 | $50.0M | 0.19% | −456,991−71.2% | Reduced |
| Massachusetts Financial Services Co | 185,516 | $50.2M | 0.02% | +171,574+1,230.6% | Added |
| New York State Common Retirement Fund | 188,879 | $51.1M | 0.07% | +11,300+6.4% | Added |
| Avala Global LP | 189,100 | $51.1M | 2.46% | 00.0% | Unchanged |
| Samlyn Capital, LLC | 189,287 | $51.2M | 0.88% | +189,287 | New |
| ARS Investment Partners, LLC | 191,888 | $51.9M | 2.70% | −67,328−26.0% | Reduced |
| Swedbank AB | 195,532 | $52.9M | 0.06% | −28,783−12.8% | Reduced |
| Great West Life Assurance Co | 196,065 | $53.2M | 0.10% | +9,165+4.9% | Added |
| American Century Companies Inc | 198,164 | $53.6M | 0.03% | +56,079+39.5% | Added |
| Rokos Capital Management LLP | 198,460 | $53.7M | 0.95% | +198,460 | New |
| Gendell Jeffrey L | 200,009 | $54.1M | 0.74% | −10,180−4.8% | Reduced |
| Walleye Trading LLC | 206,486 | $55.9M | 1.15% | +114,978+125.6% | Added |
| Braun Stacey Associates Inc | 207,494 | $56.1M | 1.87% | −35,872−14.7% | Reduced |
| Hawk Ridge Capital Management LP | 209,400 | $56.6M | 2.06% | −116,300−35.7% | Reduced |
| Capitolis Liquid Global Markets LLC | 211,200 | $57.1M | 0.36% | +211,200 | New |
| HRT Financial LP | 211,229 | $57.1M | 0.14% | +211,229 | New |
| O'Shaughnessy Asset Management, LLC | 211,887 | $57.3M | 0.29% | +47,155+28.6% | Added |
| Pictet Asset Management Holding SA | 215,749 | $58.3M | 0.06% | −126,767−37.0% | Reduced |
| Jones Financial Companies LLLP | 212,488 | $58.5M | 0.03% | +197,897+1,356.3% | Added |
| Royal London Asset Management Ltd | 219,458 | $59.4M | 0.12% | +47,857+27.9% | Added |
| State of Wisconsin Investment Board | 222,130 | $60.1M | 0.14% | −4,836−2.1% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 222,272 | $60.1M | 0.08% | −3,267−1.4% | Reduced |
| AustralianSuper Pty Ltd | 224,701 | $60.8M | 0.32% | −126,971−36.1% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 227,957 | $61.7M | 0.18% | +43,682+23.7% | Added |
| NEOS Investment Management LLC | 233,321 | $63.1M | 0.32% | +101,002+76.3% | Added |
| Assetmark, Inc | 239,012 | $64.7M | 0.13% | −30,898−11.4% | Reduced |
| Clear Street Group Inc. | 240,750 | $65.1M | 0.37% | +240,750 | New |
| KBC Group NV | 241,827 | $65.4M | 0.16% | −355,182−59.5% | Reduced |
| DekaBank Deutsche Girozentrale | 240,010 | $66.0M | 0.11% | 00.0% | Unchanged |
| Bridgewater Associates, LP | 249,039 | $67.4M | 0.30% | +176,700+244.3% | Added |