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 |
|---|---|---|---|---|---|
| Wedbush Securities Inc | 41,481 | $11.2M | 0.33% | +5,537+15.4% | Added |
| Lansforsakringar Fondforvaltning AB (publ) | 41,491 | $11.2M | 0.06% | +11,416+38.0% | Added |
| Parkwood LLC | 41,818 | $11.3M | 1.00% | −32,722−43.9% | Reduced |
| ExodusPoint Capital Management, LP | 42,277 | $11.4M | 0.11% | +42,277 | New |
| Shelton Capital Management | 42,349 | $11.5M | 0.25% | −1,540−3.5% | Reduced |
| Pinebridge Investments LLC | 43,035 | $11.6M | 0.10% | −77,091−64.2% | Reduced |
| Mubadala Investment Co PJSC | 43,980 | $11.9M | 0.06% | +43,980 | New |
| Vestmark Advisory Solutions, Inc. | 44,087 | $11.9M | 0.13% | +38,545+695.5% | Added |
| Boothbay Fund Management, LLC | 44,454 | $12.0M | 0.28% | −35,356−44.3% | Reduced |
| Banco Santander, S.A. | 44,628 | $12.1M | 0.10% | +37,208+501.5% | Added |
| XTX Topco Ltd | 44,678 | $12.1M | 0.21% | +31,881+249.1% | Added |
| Macquarie Group Ltd | 44,830 | $12.1M | 0.07% | −21,661−32.6% | Reduced |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 44,864 | $12.1M | 0.21% | −3,597−7.4% | Reduced |
| Virginia Retirement Systems Et Al | 45,094 | $12.2M | 0.09% | −251,600−84.8% | Reduced |
| Truist Financial Corp | 45,177 | $12.2M | 0.02% | +8,165+22.1% | Added |
| Public Employees Retirement Association of Colorado | 45,849 | $12.4M | 0.05% | +11,770+34.5% | Added |
| Wealthfront Advisers LLC | 45,852 | $12.4M | 0.03% | +12,506+37.5% | Added |
| Robotti Robert | 46,544 | $12.6M | 1.96% | −38,289−45.1% | Reduced |
| Summit Trail Advisors, LLC | 47,018 | $12.7M | 0.18% | +3,317+7.6% | Added |
| HighTower Advisors, LLC | 47,036 | $12.7M | 0.01% | +11,743+33.3% | Added |
| British Columbia Investment Management Corp | 47,122 | $12.7M | 0.08% | −14,439−23.5% | Reduced |
| Ritholtz Wealth Management | 47,387 | $12.8M | 0.22% | +17,471+58.4% | Added |
| Rheos Capital Works Inc. | 48,000 | $13.0M | 0.87% | −82,000−63.1% | Reduced |
| PEAK6 LLC | 48,116 | $13.0M | 0.38% | +48,116 | New |
| S&T Bank | 48,501 | $13.1M | 4.90% | −18,091−27.2% | Reduced |
| Walleye Capital LLC | 49,189 | $13.3M | 0.08% | −8,982−15.4% | Reduced |
| Ethic Inc. | 49,359 | $13.4M | 0.21% | +14,933+43.4% | Added |
| Federation des caisses Desjardins du Quebec | 49,790 | $13.5M | 0.05% | −14,309−22.3% | Reduced |
| Calamos Advisors LLC | 49,820 | $13.5M | 0.05% | +49,820 | New |
| New York Life Investment Management LLC | 50,802 | $13.7M | 0.12% | +4,018+8.6% | Added |
| Exchange Traded Concepts, LLC | 51,150 | $13.8M | 0.11% | +8,026+18.6% | Added |
| Rockefeller Capital Management L.P. | 51,233 | $13.9M | 0.02% | −5,158−9.1% | Reduced |
| Mount Yale Investment Advisors, LLC | 51,393 | $13.9M | 0.33% | +49,550+2,688.6% | Added |
| Janus Henderson Group PLC | 51,727 | $14.0M | 0.01% | +16,682+47.6% | Added |
| Allspring Global Investments Holdings, LLC | 47,202 | $14.1M | 0.02% | +3,810+8.8% | Added |
| Police & Firemen's Retirement System of New Jersey | 52,243 | $14.1M | 0.12% | +98+0.2% | Added |
| Vinva Investment Management Ltd | 56,204 | $14.1M | 0.18% | −142,524−71.7% | Reduced |
| Maytus Capital Management, LLC | 52,501 | $14.2M | 2.53% | −70,499−57.3% | Reduced |
| Attestor Capital Ltd | 52,927 | $14.3M | 3.77% | +30,860+139.8% | Added |
| Sanctuary Advisors, LLC | 53,854 | $14.6M | 0.08% | −1,085−2.0% | Reduced |
| Utah Retirement Systems | 55,294 | $15.0M | 0.15% | −1,462−2.6% | Reduced |
| Entropy Technologies, LP | 55,665 | $15.1M | 0.69% | −716−1.3% | Reduced |
| Tudor Investment Corp Et Al | 55,793 | $15.1M | 0.08% | +53,842+2,759.7% | Added |
| Prospera Financial Services Inc | 56,710 | $15.3M | 0.25% | +31,135+121.7% | Added |
| Oddo BHF Asset Management SAS | 58,195 | $15.7M | 0.62% | −24,415−29.6% | Reduced |
| Credit Agricole S A | 58,681 | $15.9M | 0.05% | −166−0.3% | Reduced |
| Investment Management Corp of Ontario | 59,201 | $16.0M | 0.21% | +29,933+102.3% | Added |
| UniSuper Management Pty Ltd | 59,251 | $16.0M | 0.10% | −7,526−11.3% | Reduced |
| Tyro Capital Management LLC | 59,548 | $16.1M | 4.08% | +59,548 | New |
| American Assets Investment Management, LLC | 60,000 | $16.2M | 1.10% | 00.0% | Unchanged |
| Chapin Davis, Inc. | 61,041 | $16.5M | 3.68% | −17,348−22.1% | Reduced |
| Vident Advisory, LLC | 61,407 | $16.6M | 0.14% | +50,015+439.0% | Added |
| Sienna Gestion | 67,254 | $17.1M | 1.12% | −18,727−21.8% | Reduced |
| JustInvest LLC | 63,184 | $17.1M | 0.17% | +2,197+3.6% | Added |
| Xponance, Inc. | 63,879 | $17.3M | 0.12% | +7,366+13.0% | Added |
| CI Private Wealth, LLC | 65,355 | $17.3M | 0.02% | +5,676+9.5% | Added |
| Melqart Asset Management (UK) Ltd | 64,216 | $17.4M | 1.71% | −35,215−35.4% | Reduced |
| State of Alaska, Department of Revenue | 64,999 | $17.6M | 0.19% | +21,460+49.3% | Added |
| Rakuten Investment Management, Inc. | 70,489 | $17.7M | 0.04% | +6,845+10.8% | Added |
| Harvest Fund Management Co., Ltd | 65,586 | $17.7M | 0.75% | −20,678−24.0% | Reduced |
| QRG Capital Management, Inc. | 65,785 | $17.8M | 0.18% | +4,647+7.6% | Added |
| Ofi Invest Asset Management | 75,454 | $17.8M | 0.24% | −62,177−45.2% | Reduced |
| Ilmarinen Mutual Pension Insurance Co | 66,775 | $18.1M | 0.14% | +66,775 | New |
| Engineers Gate Manager LP | 68,069 | $18.4M | 0.23% | −24,275−26.3% | Reduced |
| Parallax Volatility Advisers, L.P. | 68,462 | $18.5M | 0.82% | −28,755−29.6% | Reduced |
| Advisor Group Holdings, Inc. | 68,556 | $18.5M | 0.03% | −18,056−20.8% | Reduced |
| LGT Fund Management Co Ltd. | 68,870 | $18.6M | 0.81% | +52,670+325.1% | Added |
| The PNC Financial Services Group, Inc. | 68,962 | $18.7M | 0.01% | +8,342+13.8% | Added |
| Amalgamated Bank | 68,989 | $18.7M | 0.14% | +1,708+2.5% | Added |
| GF Fund Management Co. Ltd. | 70,065 | $19.0M | 0.32% | +10,146+16.9% | Added |
| B. Metzler seel. Sohn & Co. AG | 70,075 | $19.0M | 0.18% | +37,239+113.4% | Added |
| Public Sector Pension Investment Board | 70,288 | $19.0M | 0.06% | +20,230+40.4% | Added |
| Retirement Systems of Alabama | 71,998 | $19.5M | 0.06% | −736−1.0% | Reduced |
| Fifth Third Bancorp | 72,692 | $19.7M | 0.04% | +52,359+257.5% | Added |
| IFM Investors Pty Ltd | 72,760 | $19.7M | 0.16% | −228−0.3% | Reduced |
| PensionDanmark Pensionsforsikringsaktieselskab | 73,024 | $19.8M | 0.19% | +17,431+31.4% | Added |
| Central Asset Investments & Management Holdings (HK) Ltd | 73,560 | $19.9M | 18.50% | −60,188−45.0% | Reduced |
| DnB Asset Management AS | 73,714 | $19.9M | 0.07% | +7,229+10.9% | Added |
| Park West Asset Management LLC | 75,027 | $20.3M | 1.79% | −36,500−32.7% | Reduced |
| IMC-Chicago, LLC | 75,502 | $20.4M | 0.31% | +75,502 | New |
| Varma Mutual Pension Insurance Co | 76,100 | $20.6M | 0.12% | 00.0% | Unchanged |
| Mediolanum International Funds Ltd | 83,123 | $20.9M | 0.22% | −11,971−12.6% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 78,976 | $21.4M | 0.11% | −552−0.7% | Reduced |
| MetLife Investment Management | 79,241 | $21.4M | 0.11% | −2,691−3.3% | Reduced |
| iA Global Asset Management Inc. | 79,576 | $21.5M | 0.30% | −7,335−8.4% | Reduced |
| La Banque Postale Asset Management SA | 80,109 | $21.7M | 0.30% | +74,774+1,401.6% | Added |
| Pacer Advisors, Inc. | 80,861 | $21.9M | 0.06% | −12,914−13.8% | Reduced |
| Man Group plc | 81,619 | $22.1M | 0.05% | −96,785−54.3% | Reduced |
| Andra AP-fonden | 81,737 | $22.1M | 0.28% | −178,663−68.6% | Reduced |
| Lazard Asset Management LLC | 82,694 | $22.4M | 0.04% | −178,901−68.4% | Reduced |
| Temasek Holdings (Private) Ltd | 83,092 | $22.5M | 0.08% | +83,092 | New |
| MML Investors Services, LLC | 85,314 | $23.1M | 0.06% | +7,053+9.0% | Added |
| Loomis Sayles & Co L P | 87,059 | $23.5M | 0.03% | −78,670−47.5% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 87,304 | $23.6M | 0.19% | −9,439−9.8% | Reduced |
| Banco Bilbao Vizcaya Argentaria, S.A. | 88,462 | $23.8M | 0.17% | +7,289+9.0% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 89,416 | $24.2M | 0.13% | +34,950+64.2% | Added |
| Guggenheim Capital LLC | 89,468 | $24.2M | 0.19% | −18,961−17.5% | Reduced |
| Swiss Life Asset Management Ltd | 89,969 | $24.3M | 0.12% | −36,571−28.9% | Reduced |
| UNICOM Systems, Inc. | 90,500 | $24.5M | 2.51% | +90,500 | New |
| Daiwa Securities Group Inc. | 90,560 | $24.5M | 0.07% | +3,947+4.6% | Added |