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 |
|---|---|---|---|---|---|
| Eurizon Capital SGR S.p.A. | 110,156 | $29.7M | 0.09% | +110,156 | New |
| Apis Capital Advisors, LLC | 109,600 | $29.6M | 4.57% | −70,300−39.1% | Reduced |
| BI Asset Management Fondsmaeglerselskab A/S | 106,598 | $28.8M | 0.30% | −156,410−59.5% | Reduced |
| Resona Asset Management Co.,Ltd. | 107,825 | $28.8M | 0.14% | +142+0.1% | Added |
| Allianz Asset Management GmbH | 106,215 | $28.7M | 0.03% | −21,097−16.6% | Reduced |
| Gateway Investment Advisers LLC | 106,203 | $28.7M | 0.32% | +59,427+127.0% | Added |
| FIL Ltd | 103,738 | $28.1M | 0.02% | +26,856+34.9% | Added |
| State of Michigan Retirement System | 102,657 | $27.8M | 0.15% | −1,000−1.0% | Reduced |
| Nisa Investment Advisors, LLC | 101,402 | $27.4M | 0.10% | −82−0.1% | Reduced |
| Capital Fund Management S.A. | 100,563 | $27.2M | 0.24% | −126,534−55.7% | Reduced |
| GWM Advisors LLC | 99,548 | $26.9M | 0.10% | +59,169+146.5% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 97,488 | $26.4M | 0.06% | +7,491+8.3% | Added |
| Nissay Asset Management Corp | 97,121 | $26.3M | 0.14% | +1,946+2.0% | Added |
| Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. | 96,947 | $26.2M | 2.22% | −130,378−57.4% | Reduced |
| Panagora Asset Management Inc | 96,741 | $26.2M | 0.10% | +58,267+151.4% | Added |
| SEB Asset Management AB | 95,487 | $25.8M | 0.11% | +95,487 | New |
| Wealth Enhancement Advisory Services, LLC | 94,398 | $25.6M | 0.06% | +19,539+26.1% | Added |
| US Bancorp | 93,840 | $25.4M | 0.03% | −282−0.3% | Reduced |
| Arizona State Retirement System | 93,674 | $25.3M | 0.15% | −1,928−2.0% | Reduced |
| Czech National Bank | 92,336 | $25.0M | 0.16% | +2,182+2.4% | Added |
| Toroso Investments, LLC | 90,848 | $24.6M | 0.08% | +37,832+71.4% | Added |
| Daiwa Securities Group Inc. | 90,560 | $24.5M | 0.07% | +3,947+4.6% | Added |
| UNICOM Systems, Inc. | 90,500 | $24.5M | 2.51% | +90,500 | New |
| Swiss Life Asset Management Ltd | 89,969 | $24.3M | 0.12% | −36,571−28.9% | Reduced |
| Guggenheim Capital LLC | 89,468 | $24.2M | 0.19% | −18,961−17.5% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 89,416 | $24.2M | 0.13% | +34,950+64.2% | Added |
| Banco Bilbao Vizcaya Argentaria, S.A. | 88,462 | $23.8M | 0.17% | +7,289+9.0% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 87,304 | $23.6M | 0.19% | −9,439−9.8% | Reduced |
| Loomis Sayles & Co L P | 87,059 | $23.5M | 0.03% | −78,670−47.5% | Reduced |
| MML Investors Services, LLC | 85,314 | $23.1M | 0.06% | +7,053+9.0% | Added |
| Temasek Holdings (Private) Ltd | 83,092 | $22.5M | 0.08% | +83,092 | New |
| Lazard Asset Management LLC | 82,694 | $22.4M | 0.04% | −178,901−68.4% | Reduced |
| Andra AP-fonden | 81,737 | $22.1M | 0.28% | −178,663−68.6% | Reduced |
| Man Group plc | 81,619 | $22.1M | 0.05% | −96,785−54.3% | Reduced |
| Pacer Advisors, Inc. | 80,861 | $21.9M | 0.06% | −12,914−13.8% | Reduced |
| La Banque Postale Asset Management SA | 80,109 | $21.7M | 0.30% | +74,774+1,401.6% | Added |
| iA Global Asset Management Inc. | 79,576 | $21.5M | 0.30% | −7,335−8.4% | Reduced |
| MetLife Investment Management | 79,241 | $21.4M | 0.11% | −2,691−3.3% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 78,976 | $21.4M | 0.11% | −552−0.7% | Reduced |
| Mediolanum International Funds Ltd | 83,123 | $20.9M | 0.22% | −11,971−12.6% | Reduced |
| Varma Mutual Pension Insurance Co | 76,100 | $20.6M | 0.12% | 00.0% | Unchanged |
| IMC-Chicago, LLC | 75,502 | $20.4M | 0.31% | +75,502 | New |
| Park West Asset Management LLC | 75,027 | $20.3M | 1.79% | −36,500−32.7% | Reduced |
| DnB Asset Management AS | 73,714 | $19.9M | 0.07% | +7,229+10.9% | Added |
| Central Asset Investments & Management Holdings (HK) Ltd | 73,560 | $19.9M | 18.50% | −60,188−45.0% | Reduced |
| PensionDanmark Pensionsforsikringsaktieselskab | 73,024 | $19.8M | 0.19% | +17,431+31.4% | Added |
| IFM Investors Pty Ltd | 72,760 | $19.7M | 0.16% | −228−0.3% | Reduced |
| Fifth Third Bancorp | 72,692 | $19.7M | 0.04% | +52,359+257.5% | Added |
| Retirement Systems of Alabama | 71,998 | $19.5M | 0.06% | −736−1.0% | Reduced |
| Public Sector Pension Investment Board | 70,288 | $19.0M | 0.06% | +20,230+40.4% | Added |
| B. Metzler seel. Sohn & Co. AG | 70,075 | $19.0M | 0.18% | +37,239+113.4% | Added |
| GF Fund Management Co. Ltd. | 70,065 | $19.0M | 0.32% | +10,146+16.9% | Added |
| Amalgamated Bank | 68,989 | $18.7M | 0.14% | +1,708+2.5% | Added |
| The PNC Financial Services Group, Inc. | 68,962 | $18.7M | 0.01% | +8,342+13.8% | Added |
| LGT Fund Management Co Ltd. | 68,870 | $18.6M | 0.81% | +52,670+325.1% | Added |
| Advisor Group Holdings, Inc. | 68,556 | $18.5M | 0.03% | −18,056−20.8% | Reduced |
| Parallax Volatility Advisers, L.P. | 68,462 | $18.5M | 0.82% | −28,755−29.6% | Reduced |
| Engineers Gate Manager LP | 68,069 | $18.4M | 0.23% | −24,275−26.3% | Reduced |
| Ilmarinen Mutual Pension Insurance Co | 66,775 | $18.1M | 0.14% | +66,775 | New |
| Ofi Invest Asset Management | 75,454 | $17.8M | 0.24% | −62,177−45.2% | Reduced |
| QRG Capital Management, Inc. | 65,785 | $17.8M | 0.18% | +4,647+7.6% | Added |
| Harvest Fund Management Co., Ltd | 65,586 | $17.7M | 0.75% | −20,678−24.0% | Reduced |
| Rakuten Investment Management, Inc. | 70,489 | $17.7M | 0.04% | +6,845+10.8% | Added |
| State of Alaska, Department of Revenue | 64,999 | $17.6M | 0.19% | +21,460+49.3% | Added |
| Melqart Asset Management (UK) Ltd | 64,216 | $17.4M | 1.71% | −35,215−35.4% | Reduced |
| CI Private Wealth, LLC | 65,355 | $17.3M | 0.02% | +5,676+9.5% | Added |
| Xponance, Inc. | 63,879 | $17.3M | 0.12% | +7,366+13.0% | Added |
| JustInvest LLC | 63,184 | $17.1M | 0.17% | +2,197+3.6% | Added |
| Sienna Gestion | 67,254 | $17.1M | 1.12% | −18,727−21.8% | Reduced |
| Vident Advisory, LLC | 61,407 | $16.6M | 0.14% | +50,015+439.0% | Added |
| Chapin Davis, Inc. | 61,041 | $16.5M | 3.68% | −17,348−22.1% | Reduced |
| American Assets Investment Management, LLC | 60,000 | $16.2M | 1.10% | 00.0% | Unchanged |
| Tyro Capital Management LLC | 59,548 | $16.1M | 4.08% | +59,548 | New |
| UniSuper Management Pty Ltd | 59,251 | $16.0M | 0.10% | −7,526−11.3% | Reduced |
| Investment Management Corp of Ontario | 59,201 | $16.0M | 0.21% | +29,933+102.3% | Added |
| Credit Agricole S A | 58,681 | $15.9M | 0.05% | −166−0.3% | Reduced |
| Oddo BHF Asset Management SAS | 58,195 | $15.7M | 0.62% | −24,415−29.6% | Reduced |
| Prospera Financial Services Inc | 56,710 | $15.3M | 0.25% | +31,135+121.7% | Added |
| Tudor Investment Corp Et Al | 55,793 | $15.1M | 0.08% | +53,842+2,759.7% | Added |
| Entropy Technologies, LP | 55,665 | $15.1M | 0.69% | −716−1.3% | Reduced |
| Utah Retirement Systems | 55,294 | $15.0M | 0.15% | −1,462−2.6% | Reduced |
| Sanctuary Advisors, LLC | 53,854 | $14.6M | 0.08% | −1,085−2.0% | Reduced |
| Attestor Capital Ltd | 52,927 | $14.3M | 3.77% | +30,860+139.8% | Added |
| Maytus Capital Management, LLC | 52,501 | $14.2M | 2.53% | −70,499−57.3% | Reduced |
| Vinva Investment Management Ltd | 56,204 | $14.1M | 0.18% | −142,524−71.7% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 52,243 | $14.1M | 0.12% | +98+0.2% | Added |
| Allspring Global Investments Holdings, LLC | 47,202 | $14.1M | 0.02% | +3,810+8.8% | Added |
| Janus Henderson Group PLC | 51,727 | $14.0M | 0.01% | +16,682+47.6% | Added |
| Mount Yale Investment Advisors, LLC | 51,393 | $13.9M | 0.33% | +49,550+2,688.6% | Added |
| Rockefeller Capital Management L.P. | 51,233 | $13.9M | 0.02% | −5,158−9.1% | Reduced |
| Exchange Traded Concepts, LLC | 51,150 | $13.8M | 0.11% | +8,026+18.6% | Added |
| New York Life Investment Management LLC | 50,802 | $13.7M | 0.12% | +4,018+8.6% | Added |
| Calamos Advisors LLC | 49,820 | $13.5M | 0.05% | +49,820 | New |
| Federation des caisses Desjardins du Quebec | 49,790 | $13.5M | 0.05% | −14,309−22.3% | Reduced |
| Ethic Inc. | 49,359 | $13.4M | 0.21% | +14,933+43.4% | Added |
| Walleye Capital LLC | 49,189 | $13.3M | 0.08% | −8,982−15.4% | Reduced |
| S&T Bank | 48,501 | $13.1M | 4.90% | −18,091−27.2% | Reduced |
| PEAK6 LLC | 48,116 | $13.0M | 0.38% | +48,116 | New |
| Rheos Capital Works Inc. | 48,000 | $13.0M | 0.87% | −82,000−63.1% | Reduced |
| Ritholtz Wealth Management | 47,387 | $12.8M | 0.22% | +17,471+58.4% | Added |