Western DigitalWDC
13F holders, Q4 2025 (December 31)1,175holders +214
239new positions
69sold out
10famous investors
$172.15avg. 13F price*
At the end of Q4 2025, 1,175 institutions reported holding Western Digital Corp. (WDC) in their 13F filings, up 214 from Q3 2025. 239 opened new positions and 69 sold out. The largest holders were Vanguard Group Inc. ($7.3B), BlackRock, Inc. ($6.1B) and FMR LLC ($5.8B). 10 famous investors held it, including David E. Shaw (0.8% of D. E. Shaw & Co.'s portfolio), Joel Greenblatt (0.3% of Gotham Asset Management's portfolio) and Cliff Asness (0.3% of AQR Capital Management's portfolio).
- Company
- Western Digital Corp.
- Sector
- Technology
- CUSIP
- 958102105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 239 | $696.8M |
| Exits | 69 | $545.7M |
All 13F filers, Q3 2025 → Q4 2025: 46,157,357 shares bought and 55,831,506 shares sold, net −9,674,149 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 1,175 holders
| Vanguard Group Inc. | 0.11% | Reduce -2.2% | 42,348,660 | $7.3B |
| BlackRock, Inc. | 0.10% | Add +2.3% | 35,509,518 | $6.1B |
| FMR LLC | 0.30% | Add +42.3% | 33,793,801 | $5.8B |
| State Street Corp. | 0.09% | Add +1.5% | 15,695,954 | $2.7B |
| JPMorgan Chase & Co. | 0.17% | Add +18.9% | 14,295,965 | $2.5B |
| Invesco Ltd. | 0.21% | Add +196.2% | 13,136,498 | $2.3B |
| Bank of America Corp. | 0.15% | Reduce -46.1% | 12,044,651 | $2.1B |
| Geode Capital Management, LLC | 0.10% | Reduce -1.4% | 9,282,432 | $1.6B |
| Morgan Stanley | 0.09% | Add +6.5% | 8,944,662 | $1.5B |
| Ameriprise Financial Inc. | 0.33% | Reduce -1.9% | 8,520,425 | $1.5B |
| WCM Investment Management, LLC | 2.43% | Reduce -1.3% | 6,691,209 | $1.2B |
| D. E. Shaw & Co. | 0.80% | Reduce -40.8% | 5,701,318 | $982.2M |
| Norges Bank | 0.08% | — | 4,578,446 | $788.7M |
| Nuveen, LLC | 0.21% | Add +78.7% | 4,563,476 | $786.2M |
| Goldman Sachs Group Inc. | 0.11% | Add +82.0% | 4,559,713 | $785.5M |
| UBS Group AG | 0.16% | Reduce -37.9% | 4,550,821 | $784.0M |
| Northern Trust Corp. | 0.08% | Reduce -3.5% | 3,671,955 | $632.6M |
| Dimensional Fund Advisors LP | 0.13% | Reduce -6.3% | 3,565,342 | $614.3M |
| AQR Capital Management | 0.27% | Add +70.5% | 2,972,703 | $512.1M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.10% | Add +6.0% | 2,809,409 | $484.0M |
| Fred Alger Management, LLC | 1.81% | Reduce -21.2% | 2,684,341 | $462.4M |
| T. Rowe Price Associates Inc. | 0.05% | Add +1.7% | 2,611,856 | $449.9M |
| Amundi | 0.13% | Add +85.8% | 2,399,736 | $413.4M |
| Maple Rock Capital Partners Inc. | 13.55% | Reduce -8.0% | 2,381,525 | $410.3M |
| Charles Schwab Investment Management Inc. | 0.06% | Reduce -4.2% | 2,266,709 | $390.5M |
| Deutsche Bank AG | 0.13% | Reduce -26.6% | 2,231,609 | $384.4M |
| Bank of New York Mellon Corp | 0.06% | Add +6.0% | 2,073,036 | $357.1M |
| Legal & General Group Plc | 0.08% | Reduce -3.1% | 2,033,555 | $350.3M |
| Royal Bank of Canada | 0.06% | Add +62.2% | 1,983,053 | $341.6M |
| AMF Tjanstepension AB | 1.89% | Reduce -2.5% | 1,767,959 | $304.6M |
| National Pension Service | 0.22% | Add +267.6% | 1,691,659 | $291.4M |
| Alliancebernstein L.P. | 0.09% | Reduce -16.4% | 1,629,027 | $280.6M |
| Barclays PLC | 0.11% | Add +24.4% | 1,526,384 | $263.0M |
| BNP Paribas Financial Markets | 0.15% | Reduce -16.6% | 1,398,080 | $240.8M |
| Robeco Institutional Asset Management B.V. | 0.34% | Add +75.9% | 1,376,751 | $237.2M |
| Citigroup Inc. | 0.16% | Reduce -23.9% | 1,359,209 | $234.2M |
| Castle Hook Partners LP | 3.28% | Reduce -24.4% | 1,325,670 | $228.4M |
| Citadel Advisors | 0.16% | Reduce -64.6% | 1,319,766 | $227.4M |
| HSBC Holdings PLC | 0.12% | Reduce -32.5% | 1,267,785 | $218.1M |
| Bank of Nova Scotia | 0.29% | Add +61.8% | 1,128,963 | $194.5M |
| Nomura Asset Management Co. Ltd. | 0.49% | Add +33.6% | 1,122,095 | $193.3M |
| Capital World Investors | 0.03% | New | 1,063,607 | $183.2M |
| Bank of Montreal | 0.07% | Reduce -34.2% | 1,031,052 | $177.6M |
| Nomura Asset Management International Inc. | 0.27% | — | 1,025,447 | $176.7M |
| Prudential Financial Inc. | 0.21% | Add +119.6% | 1,019,153 | $175.6M |
| Principal Financial Group Inc. | 0.09% | Add +21.5% | 992,731 | $171.0M |
| Renaissance Technologies | 0.27% | Reduce -13.6% | 992,533 | $171.0M |
| Swiss National Bank | 0.10% | Reduce -5.5% | 950,807 | $163.8M |
| Holocene Advisors, LP | 0.34% | Reduce -58.8% | 934,982 | $161.1M |
| Polar Capital Holdings Plc | 0.72% | Reduce -50.6% | 913,192 | $157.3M |
| Sumitomo Mitsui Trust Group, Inc. | 0.09% | Add +9.8% | 887,059 | $152.8M |
| Trivest Advisors Ltd | 6.88% | Reduce -4.9% | 875,000 | $150.7M |
| Wells Fargo & Company | 0.03% | Add +7.8% | 865,796 | $149.2M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.10% | Add +6.5% | 751,202 | $141.0M |
| Soroban Capital Partners LP | 1.01% | No change | 1,146,273 | $137.6M |
| California Public Employees Retirement System | 0.08% | Add +37.3% | 798,760 | $137.6M |
| Primecap Management Co. | 0.10% | Reduce -21.9% | 753,540 | $129.8M |
| LSV Asset Management | 0.28% | Reduce -50.7% | 744,412 | $128.2M |
| Atalan Capital Partners, LP | 8.65% | Reduce -36.5% | 705,400 | $121.5M |
| Worldquant Millennium Advisors LLC | 0.43% | Reduce -50.4% | 641,925 | $110.6M |
| Rhumbline Advisers | 0.09% | Reduce -5.0% | 635,036 | $109.4M |
| First Trust Advisors LP | 0.08% | Add +27.7% | 627,179 | $108.0M |
| ProShare Advisors LLC | 0.19% | Add +581.4% | 618,061 | $106.5M |
| KBC Group NV | 0.23% | Add +166.8% | 597,009 | $102.8M |
| Caisse de depot et placement du Quebec | 0.17% | Add +532.6% | 593,296 | $102.2M |
| Envestnet Asset Management Inc. | 0.03% | Add +2.2% | 593,273 | $102.2M |
| Wolf Hill Capital Management, LP | 11.85% | Reduce -3.6% | 590,395 | $101.7M |
| Victory Capital Management Inc. | 0.06% | Add +1.9% | 587,498 | $101.2M |
| California State Teachers Retirement System | 0.09% | Add +5.8% | 544,524 | $93.8M |
| Parnassus Investments, LLC | 0.23% | Reduce -41.8% | 523,497 | $90.2M |
| Squarepoint Ops LLC | 0.18% | Reduce -1.2% | 522,290 | $90.0M |
| Mackenzie Financial Corp. | 0.10% | Add +63.6% | 503,294 | $88.4M |
| Gotham Asset Management | 0.32% | Reduce -4.7% | 506,754 | $87.3M |
| Sei Investments Co. | 0.08% | Add +2.5% | 471,197 | $81.2M |
| Neuberger Berman Group LLC | 0.05% | Reduce -68.9% | 425,789 | $73.4M |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0.06% | Add +3.3% | 415,613 | $71.6M |
| WT Asset Management Ltd | 2.83% | Reduce -17.6% | 411,458 | $70.9M |
| Storebrand Asset Management As | 0.18% | Add +9.8% | 394,799 | $68.0M |
| Alta Park Capital, LP | 8.16% | Reduce -16.4% | 393,479 | $67.8M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.11% | Add +13.2% | 384,090 | $66.2M |
| Canada Pension Plan Investment Board | 0.04% | Add +17.7% | 382,210 | $65.8M |
| Bahl & Gaynor LLC | 0.33% | Reduce -19.0% | 374,975 | $64.6M |
| Quantinno Capital Management LP | 0.13% | Reduce -3.1% | 373,185 | $64.3M |
| Natixis Advisors, LLC | 0.09% | Add +2.0% | 372,984 | $64.3M |
| Korea Investment CORP | 0.13% | Add +3.4% | 370,511 | $63.8M |
| Voya Investment Management LLC | 0.07% | Add +22.5% | 368,622 | $63.5M |
| Teacher Retirement System of Texas | 0.22% | Add +534.6% | 367,340 | $63.3M |
| Franklin Resources Inc. | 0.02% | Add +32.1% | 356,972 | $61.5M |
| AustralianSuper Pty Ltd | 0.28% | Add +23.3% | 351,672 | $60.6M |
| Pictet Asset Management Holding SA | 0.06% | Add +62.1% | 342,516 | $59.0M |
| Russell Investments Group, Ltd. | 0.06% | Reduce -32.3% | 341,745 | $59.0M |
| Simplex Trading, LLC | 1.66% | New | 341,762 | $58.9M |
| Danske Bank A/S | 0.14% | Reduce -12.3% | 340,523 | $58.7M |
| Raymond James Financial Inc. | 0.02% | Add +30.2% | 336,803 | $58.0M |
| Clal Insurance Enterprises Holdings Ltd | 0.37% | New | 333,750 | $57.5M |
| LPL Financial LLC | 0.02% | Add +26.1% | 333,217 | $57.4M |
| Hawk Ridge Capital Management LP | 2.59% | Add +103.9% | 325,700 | $56.1M |
| Slate Path Capital LP | 0.75% | Reduce -77.3% | 321,278 | $55.3M |
| Millennium Management | 0.04% | Reduce -74.3% | 317,205 | $54.6M |
| Amanah Holdings Trust | 7.95% | New | 315,000 | $54.3M |
"% of holder's portfolio" is WDC's weight in each manager's 13F, not the share of Western Digital Corp. the manager owns.