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, Q4 2025
Institutional positions in Western Digital Corp as of Dec 31, 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
- 1,175
- +238 vs. Q3 2025
- Shares held
- 341.9M
- −3.07M (−0.9%) vs. Q3 2025
- Total value
- $58.9B
- +$17.5B (+42.3%) vs. Q3 2025
- New holders
- 309
- 407 more added
- Sold out
- 71
- 360 more reduced
24 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Western Digital Corp; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Mercer Global Advisors Inc | 142,676 | $24.6M | 0.04% | +21,540+17.8% | Added |
| CIBC Asset Management Inc | 143,276 | $24.7M | 0.06% | +95,710+201.2% | Added |
| 683 Capital Management, LLC | 143,300 | $24.7M | 2.05% | −195,700−57.7% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 147,200 | $25.4M | 0.04% | −308,334−67.7% | Reduced |
| Public Employees Retirement System of Ohio | 151,754 | $26.1M | 0.08% | −11,691−7.2% | Reduced |
| Crossmark Global Holdings, Inc. | 151,757 | $26.1M | 0.37% | −65,515−30.2% | Reduced |
| STRS Ohio | 151,850 | $26.2M | 0.10% | −21,427−12.4% | Reduced |
| Artemis Investment Management LLP | 151,957 | $26.2M | 0.32% | −690,153−82.0% | Reduced |
| Rivermont Capital Management LP | 154,309 | $26.6M | 6.31% | −71,232−31.6% | Reduced |
| Candriam Luxembourg S.C.A. | 156,309 | $26.9M | 0.13% | −189,832−54.8% | Reduced |
| Asset Management One Co.,Ltd. | 152,876 | $27.4M | 0.08% | +2,024+1.3% | Added |
| Stifel Financial Corp | 160,693 | $27.7M | 0.02% | +2,850+1.8% | Added |
| Marshall Wace, LLP | 161,868 | $27.9M | 0.03% | −160,528−49.8% | Reduced |
| O'Shaughnessy Asset Management, LLC | 164,732 | $28.4M | 0.16% | +108,002+190.4% | Added |
| Loomis Sayles & Co L P | 165,729 | $28.6M | 0.03% | −75,539−31.3% | Reduced |
| LGT Group Foundation | 163,849 | $28.8M | 0.31% | −11,668−6.6% | Reduced |
| KLP Kapitalforvaltning AS | 168,323 | $29.0M | 0.11% | +37,100+28.3% | Added |
| Forsta Ap-Fonden | 169,300 | $29.2M | 0.17% | −35,100−17.2% | Reduced |
| APG Asset Management N.V. | 199,117 | $29.2M | 0.08% | −7,756−3.7% | Reduced |
| Royal London Asset Management Ltd | 171,601 | $29.6M | 0.06% | +141+0.1% | Added |
| Chevy Chase Trust Holdings, Inc. | 173,384 | $29.9M | 0.08% | −3,668−2.1% | Reduced |
| Treasurer of the State of North Carolina | 176,169 | $30.3M | 0.10% | +20,544+13.2% | Added |
| Toronto Dominion Bank | 176,258 | $30.4M | 0.05% | +42,385+31.7% | Added |
| Alyeska Investment Group, L.P. | 177,292 | $30.5M | 0.09% | −1,127,076−86.4% | Reduced |
| State of Tennessee, Treasury Department | 122,178 | $30.6M | 0.10% | +1,632+1.4% | Added |
| New York State Common Retirement Fund | 177,579 | $30.6M | 0.04% | −56,666−24.2% | Reduced |
| Rafferty Asset Management, LLC | 177,656 | $30.6M | 0.11% | +55,477+45.4% | Added |
| Man Group plc | 178,404 | $30.7M | 0.06% | +84,202+89.4% | Added |
| Point72 Asset Management, L.P. | 178,785 | $30.8M | 0.05% | −750,790−80.8% | Reduced |
| Apis Capital Advisors, LLC | 179,900 | $31.0M | 5.40% | −26,900−13.0% | Reduced |
| Acadian Asset Management LLC | 180,516 | $31.1M | 0.05% | +123,423+216.2% | Added |
| Cerity Partners LLC | 180,595 | $31.1M | 0.05% | +25,765+16.6% | Added |
| Deprince Race & Zollo Inc | 180,739 | $31.1M | 0.60% | −82,363−31.3% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 184,275 | $31.7M | 0.09% | +131,958+252.2% | Added |
| Great West Life Assurance Co | 186,900 | $32.2M | 0.06% | −91,617−32.9% | Reduced |
| Avala Global LP | 189,100 | $32.6M | 1.56% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 195,359 | $33.7M | 0.03% | −8,352−4.1% | Reduced |
| Keystone Investors Pte Ltd | 197,152 | $34.0M | 3.05% | −89,736−31.3% | Reduced |
| Vinva Investment Management Ltd | 198,728 | $35.2M | 0.44% | +107,138+117.0% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 205,185 | $35.4M | 0.04% | −1,551−0.8% | Reduced |
| Talos Asset Management LP | 206,834 | $35.6M | 6.31% | −241,239−53.8% | Reduced |
| Schonfeld Strategic Advisors LLC | 208,981 | $36.0M | 0.18% | −503,633−70.7% | Reduced |
| Gendell Jeffrey L | 210,189 | $36.2M | 0.63% | −29,811−12.4% | Reduced |
| Verition Fund Management LLC | 211,899 | $36.5M | 0.20% | +88,346+71.5% | Added |
| Natixis | 217,854 | $37.5M | 0.15% | +217,854 | New |
| Swedbank AB | 224,315 | $38.6M | 0.04% | −4,462−2.0% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 225,539 | $38.9M | 0.06% | +186,175+473.0% | Added |
| State of Wisconsin Investment Board | 226,966 | $39.1M | 0.09% | +29,606+15.0% | Added |
| Capital Fund Management S.A. | 227,097 | $39.1M | 0.37% | +946+0.4% | Added |
| Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. | 227,325 | $39.2M | 3.48% | −116,539−33.9% | Reduced |
| Balyasny Asset Management LLC | 229,656 | $39.6M | 0.07% | −1,945,587−89.4% | Reduced |
| Ceredex Value Advisors LLC | 230,419 | $39.7M | 1.19% | −344,570−59.9% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 230,471 | $39.7M | 0.10% | +230,471 | New |
| Susquehanna International Group, LLP | 233,941 | $40.3M | 0.06% | −38,213−14.0% | Reduced |
| ING Groep NV | 234,710 | $40.4M | 0.24% | +162,861+226.7% | Added |
| LMR Partners LLP | 235,742 | $40.6M | 0.39% | −199,180−45.8% | Reduced |
| Tredje AP-fonden | 242,929 | $41.8M | 0.32% | +205,819+554.6% | Added |
| Braun Stacey Associates Inc | 243,366 | $41.9M | 1.36% | −18,751−7.2% | Reduced |
| Ieq Capital, LLC | 244,780 | $42.2M | 0.13% | +52,311+27.2% | Added |
| Adage Capital Partners GP, L.L.C. | 258,637 | $44.6M | 0.07% | +17,800+7.4% | Added |
| ARS Investment Partners, LLC | 259,216 | $44.7M | 2.61% | −152,655−37.1% | Reduced |
| Andra AP-fonden | 260,400 | $44.9M | 0.56% | −15,246−5.5% | Reduced |
| Lazard Asset Management LLC | 261,595 | $45.1M | 0.08% | +46,116+21.4% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 263,008 | $45.3M | 0.40% | +204,018+345.9% | Added |
| Assetmark, Inc | 269,910 | $46.5M | 0.09% | +164,537+156.1% | Added |
| Standard Life Aberdeen plc | 272,487 | $46.9M | 0.07% | +28,227+11.6% | Added |
| National Bank of Canada | 273,532 | $47.1M | 0.05% | +149,698+120.9% | Added |
| Schroder Investment Management Group | 285,201 | $49.1M | 0.04% | +164,201+135.7% | Added |
| PFA Pension, Forsikringsaktieselskab | 280,053 | $49.3M | 0.14% | +280,053 | New |
| New York State Teachers Retirement System | 288,401 | $49.7M | 0.10% | +34,369+13.5% | Added |
| Virginia Retirement Systems Et Al | 296,694 | $51.1M | 0.30% | +147,094+98.3% | Added |
| State Board of Administration of Florida Retirement System | 303,686 | $52.3M | 0.09% | −11,417−3.6% | Reduced |
| Aviva PLC | 305,308 | $52.6M | 0.09% | +5,385+1.8% | Added |
| Two Sigma Investments, LP | 310,257 | $53.4M | 0.08% | −971,646−75.8% | Reduced |
| Nomura Holdings Inc | 313,990 | $54.1M | 0.15% | −35,222−10.1% | Reduced |
| Amanah Holdings Trust | 315,000 | $54.3M | 7.95% | +315,000 | New |
| Millennium Management LLC | 317,205 | $54.6M | 0.04% | −914,620−74.2% | Reduced |
| Slate Path Capital LP | 321,278 | $55.3M | 0.75% | −1,094,959−77.3% | Reduced |
| Hawk Ridge Capital Management LP | 325,700 | $56.1M | 2.59% | +166,000+103.9% | Added |
| LPL Financial LLC | 333,217 | $57.4M | 0.02% | +68,938+26.1% | Added |
| Clal Insurance Enterprises Holdings Ltd | 333,750 | $57.5M | 0.37% | +333,750 | New |
| Raymond James Financial Inc | 336,803 | $58.0M | 0.02% | +78,120+30.2% | Added |
| Danske Bank A/S | 340,523 | $58.7M | 0.14% | −47,999−12.4% | Reduced |
| Simplex Trading, LLC | 341,762 | $58.9M | 1.66% | +341,762 | New |
| Russell Investments Group, Ltd. | 341,745 | $59.0M | 0.06% | −163,355−32.3% | Reduced |
| Pictet Asset Management Holding SA | 342,516 | $59.0M | 0.06% | +131,247+62.1% | Added |
| AustralianSuper Pty Ltd | 351,672 | $60.6M | 0.28% | +66,450+23.3% | Added |
| Franklin Resources Inc | 356,972 | $61.5M | 0.02% | +86,827+32.1% | Added |
| Teacher Retirement System of Texas | 367,340 | $63.3M | 0.22% | +309,452+534.6% | Added |
| Voya Investment Management LLC | 368,622 | $63.5M | 0.06% | +67,705+22.5% | Added |
| Korea Investment CORP | 370,511 | $63.8M | 0.13% | +11,999+3.3% | Added |
| Natixis Advisors, L.P. | 372,984 | $64.3M | 0.09% | +7,380+2.0% | Added |
| Quantinno Capital Management LP | 373,185 | $64.3M | 0.13% | −11,964−3.1% | Reduced |
| Bahl & Gaynor Inc | 374,975 | $64.6M | 0.33% | −87,875−19.0% | Reduced |
| Canada Pension Plan Investment Board | 382,210 | $65.8M | 0.04% | +57,447+17.7% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 384,090 | $66.2M | 0.11% | +44,677+13.2% | Added |
| Alta Park Capital, LP | 393,479 | $67.8M | 8.16% | −77,421−16.4% | Reduced |
| Storebrand Asset Management AS | 394,799 | $68.0M | 0.18% | +35,385+9.8% | Added |
| WT Asset Management Ltd | 411,458 | $70.9M | 2.82% | −87,842−17.6% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 415,613 | $71.6M | 0.06% | +13,421+3.3% | Added |