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, Q3 2025
Institutional positions in Western Digital Corp as of Sep 30, 2025. 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
- 961
- +222 vs. Q2 2025
- Shares held
- 345.9M
- −15.6M (−4.3%) vs. Q2 2025
- Total value
- $41.5B
- +$18.4B (+79.4%) vs. Q2 2025
- New holders
- 288
- 353 more added
- Sold out
- 66
- 235 more reduced
11 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Western Digital Corp; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Brookstone Capital Management | 113,089 | $13.6M | 0.16% | +113,089 | New |
| Polymer Capital Management (US) LLC | 111,787 | $13.4M | 1.78% | −42,804−27.7% | Reduced |
| Ensign Peak Advisors, Inc | 110,942 | $13.3M | 0.02% | −1,175−1.0% | Reduced |
| State of Michigan Retirement System | 109,757 | $13.2M | 0.06% | −1,000−0.9% | Reduced |
| Knightsbridge Asset Management, LLC | 107,713 | $12.9M | 2.19% | −3,766−3.4% | Reduced |
| Trexquant Investment LP | 107,328 | $12.9M | 0.13% | +60,242+127.9% | Added |
| Boothbay Fund Management, LLC | 105,814 | $12.7M | 0.33% | −40,960−27.9% | Reduced |
| Susquehanna Fundamental Investments, LLC | 105,654 | $12.7M | 0.50% | −170,676−61.8% | Reduced |
| Assetmark, Inc | 105,373 | $12.7M | 0.03% | +2,943+2.9% | Added |
| Arizona State Retirement System | 103,013 | $12.4M | 0.07% | +1,988+2.0% | Added |
| Concentric Capital Strategies, LP | 101,834 | $12.2M | 0.58% | +101,834 | New |
| Qsemble Capital Management, LP | 101,703 | $12.2M | 1.20% | +86,290+559.9% | Added |
| Jump Financial, LLC | 101,067 | $12.1M | 0.15% | +101,067 | New |
| Nisa Investment Advisors, LLC | 100,068 | $12.0M | 0.05% | +11,953+13.6% | Added |
| Permit Capital, LLC | 100,000 | $12.0M | 3.76% | −13,050−11.5% | Reduced |
| SeaTown Holdings Pte. Ltd. | 100,000 | $12.0M | 6.92% | +100,000 | New |
| Handelsbanken Fonder AB | 99,800 | $12.0M | 0.04% | +13,300+15.4% | Added |
| Los Angeles Capital Management LLC | 96,596 | $11.6M | 0.04% | +96,596 | New |
| PDT Partners, LLC | 96,400 | $11.6M | 0.73% | +96,400 | New |
| Caption Management, LLC | 96,200 | $11.5M | 0.67% | +96,200 | New |
| US Bancorp | 94,749 | $11.4M | 0.01% | +21,572+29.5% | Added |
| Man Group plc | 94,202 | $11.3M | 0.02% | +94,202 | New |
| Caisse de Depot Et Placement du Quebec | 93,786 | $11.3M | 0.02% | +93,786 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 92,076 | $11.1M | 0.03% | −3,301−3.5% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 91,447 | $11.0M | 0.09% | +19,082+26.4% | Added |
| CIBC Private Wealth Group, LLC | 91,427 | $11.0M | 0.02% | −30,884−25.3% | Reduced |
| Munich Reinsurance Co Stock Corp in Munich | 91,145 | $10.9M | 0.27% | +91,145 | New |
| ProShare Advisors LLC | 90,702 | $10.9M | 0.02% | −5,988−6.2% | Reduced |
| Vinva Investment Management Ltd | 91,590 | $10.7M | 0.21% | +80,654+737.5% | Added |
| Zweig-DiMenna Associates LLC | 89,000 | $10.7M | 0.83% | +89,000 | New |
| Czech National Bank | 88,111 | $10.6M | 0.07% | +2,833+3.3% | Added |
| MetLife Investment Management | 86,061 | $10.3M | 0.05% | −2,786−3.1% | Reduced |
| Robotti Robert | 85,905 | $10.3M | 1.79% | −490−0.6% | Reduced |
| Federation des caisses Desjardins du Quebec | 84,849 | $10.2M | 0.04% | +38,762+84.1% | Added |
| Banco Bilbao Vizcaya Argentaria, S.A. | 84,634 | $10.1M | 0.08% | +11,330+15.5% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 83,309 | $10.0M | 0.05% | −2,255−2.6% | Reduced |
| CWM, LLC | 82,309 | $9.88M | 0.03% | +27,386+49.9% | Added |
| Chapin Davis, Inc. | 80,732 | $9.69M | 2.38% | +80,732 | New |
| S&T Bank | 80,119 | $9.62M | 2.70% | −17,744−18.1% | Reduced |
| Creative Planning | 79,542 | $9.55M | 0.01% | +17,263+27.7% | Added |
| Sienna Gestion | 85,981 | $9.41M | 0.66% | +85,981 | New |
| UniSuper Management Pty Ltd | 77,717 | $9.33M | 0.06% | −9,471−10.9% | Reduced |
| SRS Capital Advisors, Inc. | 76,894 | $9.23M | 0.13% | +75,700+6,340.0% | Added |
| Achmea Investment Management B.V. | 76,371 | $9.17M | 0.11% | +11,625+18.0% | Added |
| John G Ullman & Associates Inc | 76,058 | $9.13M | 1.23% | −16,485−17.8% | Reduced |
| Mariner, LLC | 75,989 | $9.12M | 0.01% | +21,941+40.6% | Added |
| Retirement Systems of Alabama | 74,004 | $8.88M | 0.03% | −858−1.1% | Reduced |
| Sound Income Strategies, LLC | 73,546 | $8.80M | 0.48% | −12,916−14.9% | Reduced |
| Cetera Investment Advisers | 72,722 | $8.73M | 0.01% | +27,610+61.2% | Added |
| Sora Investors LLC | 71,959 | $8.64M | 0.80% | +71,959 | New |
| ING Groep NV | 71,849 | $8.63M | 0.05% | −34,857−32.7% | Reduced |
| Landscape Capital Management, L.L.C. | 71,089 | $8.53M | 0.54% | +28,078+65.3% | Added |
| Nordea Investment Management AB | 69,002 | $8.35M | 0.01% | +38,568+126.7% | Added |
| Pinnbrook Capital Management LP | 69,293 | $8.32M | 1.54% | +69,293 | New |
| MIG Capital, LLC | 67,406 | $8.09M | 1.19% | +15,867+30.8% | Added |
| Amalgamated Bank | 65,764 | $7.90M | 0.06% | −1,541−2.3% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 65,747 | $7.88M | 0.01% | +9,689+17.3% | Added |
| Pacer Advisors, Inc. | 65,332 | $7.84M | 0.02% | −1,315,168−95.3% | Reduced |
| GF Fund Management Co. Ltd. | 65,193 | $7.83M | 0.14% | +65,193 | New |
| Brevan Howard Capital Management LP | 64,773 | $7.78M | 0.11% | −15,990−19.8% | Reduced |
| Comerica Bank | 64,339 | $7.72M | 0.03% | −76,122−54.2% | Reduced |
| IFM Investors Pty Ltd | 70,651 | $7.55M | 0.07% | +7,518+11.9% | Added |
| Mediolanum International Funds Ltd | 63,123 | $7.37M | 0.08% | +63,123 | New |
| MML Investors Services, LLC | 61,264 | $7.36M | 0.02% | +36,546+147.9% | Added |
| Assenagon Asset Management S.A. | 60,423 | $7.25M | 0.01% | −10,647−15.0% | Reduced |
| Kingdon Capital Management, L.L.C. | 60,000 | $7.20M | 1.13% | −70,000−53.8% | Reduced |
| American Assets Investment Management, LLC | 60,000 | $7.20M | 0.53% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 59,457 | $7.14M | 0.02% | +1,925+3.3% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 58,990 | $7.08M | 0.06% | +39,479+202.3% | Added |
| JustInvest LLC | 58,759 | $7.05M | 0.07% | +5,189+9.7% | Added |
| CI Private Wealth, LLC | 58,270 | $7.00M | 0.01% | +8,712+17.6% | Added |
| Teacher Retirement System of Texas | 57,888 | $6.95M | 0.03% | +5,386+10.3% | Added |
| The PNC Financial Services Group, Inc. | 57,406 | $6.89M | 0.00% | +2,709+5.0% | Added |
| Acadian Asset Management LLC | 57,093 | $6.85M | 0.01% | +56,388+7,998.3% | Added |
| Utah Retirement Systems | 57,004 | $6.84M | 0.07% | 00.0% | Unchanged |
| O'Shaughnessy Asset Management, LLC | 56,730 | $6.81M | 0.04% | +32,314+132.3% | Added |
| Advisor Group Holdings, Inc. | 65,039 | $6.78M | 0.01% | +42,579+189.6% | Added |
| Toroso Investments, LLC | 56,363 | $6.77M | 0.03% | +11,211+24.8% | Added |
| B. Metzler seel. Sohn & Co. AG | 56,187 | $6.75M | 0.06% | +22,209+65.4% | Added |
| Alerus Financial NA | 55,955 | $6.72M | 0.34% | −13,485−19.4% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 55,786 | $6.70M | 0.05% | +3,115+5.9% | Added |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 55,591 | $6.67M | 0.13% | +55,591 | New |
| AXA Investment Managers S.A. | 55,330 | $6.64M | 0.02% | +55,330 | New |
| Xponance, Inc. | 55,130 | $6.62M | 0.05% | −3,454−5.9% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 55,066 | $6.61M | 0.06% | +2,900+5.6% | Added |
| Cobalt Capital Management, Inc. | 55,000 | $6.60M | 3.03% | −105,000−65.6% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 52,317 | $6.28M | 0.02% | +5,731+12.3% | Added |
| Summit Trail Advisors, LLC | 52,219 | $6.27M | 0.09% | +7,049+15.6% | Added |
| Bridgewater Associates, LP | 51,963 | $6.24M | 0.02% | +51,963 | New |
| Lombard Odier Asset Management (Switzerland) SA | 41,472 | $6.16M | 0.29% | +21,973+112.7% | Added |
| Oak Thistle LLC | 50,736 | $6.09M | 0.93% | +18,654+58.1% | Added |
| Entropy Technologies, LP | 50,632 | $6.08M | 0.45% | +230.0% | Added |
| British Columbia Investment Management Corp | 50,136 | $6.02M | 0.03% | −4,252−7.8% | Reduced |
| iA Global Asset Management Inc. | 48,942 | $5.88M | 0.08% | +48,942 | New |
| Wolverine Trading, LLC | 49,930 | $5.83M | 0.12% | +49,930 | New |
| CIBC Bancorp USA Inc. | 47,933 | $5.75M | 0.03% | +47,933 | New |
| CIBC Asset Management Inc | 47,566 | $5.71M | 0.02% | +116+0.2% | Added |
| New York Life Investment Management LLC | 47,010 | $5.64M | 0.05% | −1,014−2.1% | Reduced |
| State of Alaska, Department of Revenue | 46,794 | $5.62M | 0.06% | −2,418−4.9% | Reduced |
| Rockefeller Capital Management L.P. | 46,776 | $5.62M | 0.01% | −4,550−8.9% | Reduced |