Western DigitalWDC
13F holders, Q3 2025 (September 30)961holders +212
277new positions
66sold out
9famous investors
$119.93avg. 13F price*
At the end of Q3 2025, 961 institutions reported holding Western Digital Corp. (WDC) in their 13F filings, up 212 from Q2 2025. 277 opened new positions and 66 sold out. The largest holders were Vanguard Group Inc. ($5.2B), BlackRock, Inc. ($4.2B) and FMR LLC ($2.9B). 9 famous investors held it, including David E. Shaw (1.0% of D. E. Shaw & Co.'s portfolio), Paul Tudor Jones (0.4% of Tudor Investment Corporation's portfolio) and Ken Griffin (0.4% of Citadel Advisors's portfolio).
- Company
- Western Digital Corp.
- Sector
- Technology
- CUSIP
- 958102105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 277 | $2.2B |
| Exits | 66 | $774.6M |
All 13F filers, Q2 2025 → Q3 2025: 54,370,252 shares bought and 70,467,921 shares sold, net −16,097,669 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 961 holders
| Vanguard Group Inc. | 0.08% | Add +0.6% | 43,282,393 | $5.2B |
| BlackRock, Inc. | 0.07% | Reduce -0.8% | 34,714,851 | $4.2B |
| FMR LLC | 0.15% | Reduce -26.4% | 23,756,722 | $2.9B |
| Bank of America Corp. | 0.20% | Reduce -13.6% | 22,361,010 | $2.7B |
| State Street Corp. | 0.06% | Add +1.8% | 15,461,857 | $1.9B |
| JPMorgan Chase & Co. | 0.09% | Add +6.3% | 12,020,110 | $1.4B |
| D. E. Shaw & Co. | 1.00% | Add +231.1% | 9,625,316 | $1.2B |
| Geode Capital Management, LLC | 0.07% | Add +1.2% | 9,414,518 | $1.1B |
| Ameriprise Financial Inc. | 0.24% | Reduce -4.2% | 8,683,319 | $1.0B |
| Morgan Stanley | 0.06% | Add +7.4% | 8,402,622 | $1.0B |
| UBS Group AG | 0.17% | Reduce -35.9% | 7,329,996 | $880.0M |
| WCM Investment Management, LLC | 1.65% | New | 6,778,460 | $791.3M |
| Invesco Ltd. | 0.08% | Reduce -15.8% | 4,435,076 | $532.5M |
| Northern Trust Corp. | 0.06% | Add +11.2% | 3,805,463 | $456.9M |
| Dimensional Fund Advisors LP | 0.10% | Add +11.8% | 3,804,907 | $456.7M |
| Citadel Advisors | 0.37% | Add +6.0% | 3,727,606 | $447.5M |
| Fred Alger Management, LLC | 1.59% | Add +4923.9% | 3,407,042 | $409.0M |
| Deutsche Bank AG | 0.12% | Add +38.3% | 3,041,545 | $365.2M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.07% | Reduce -17.3% | 2,650,242 | $318.2M |
| Maple Rock Capital Partners Inc. | 12.55% | Reduce -30.7% | 2,589,325 | $310.9M |
| T. Rowe Price Associates Inc. | 0.03% | Reduce -27.3% | 2,567,766 | $308.3M |
| Nuveen, LLC | 0.08% | Add +86.6% | 2,553,218 | $306.5M |
| Goldman Sachs Group Inc. | 0.04% | Reduce -38.9% | 2,505,654 | $300.8M |
| Charles Schwab Investment Management Inc. | 0.05% | Reduce -2.5% | 2,365,874 | $284.0M |
| Holocene Advisors, LP | 0.63% | Reduce -59.0% | 2,270,410 | $272.6M |
| Balyasny Asset Management L.P. | 0.54% | Reduce -45.5% | 2,175,243 | $261.2M |
| Legal & General Group Plc | 0.06% | Add +9.8% | 2,098,618 | $252.0M |
| Bank of New York Mellon Corp | 0.04% | Reduce -4.0% | 1,955,696 | $234.8M |
| Alliancebernstein L.P. | 0.07% | Add +12.1% | 1,947,367 | $233.8M |
| HSBC Holdings PLC | 0.13% | Add +63.8% | 1,879,562 | $222.7M |
| Polar Capital Holdings Plc | 1.07% | New | 1,847,408 | $221.8M |
| AMF Tjanstepension AB | 1.38% | Reduce -2.8% | 1,812,464 | $217.6M |
| Citigroup Inc. | 0.15% | Add +13.1% | 1,784,833 | $214.3M |
| Castle Hook Partners LP | 3.19% | Add +145.9% | 1,752,403 | $210.4M |
| AQR Capital Management | 0.13% | Add +41.5% | 1,744,042 | $209.4M |
| BNP Paribas Financial Markets | 0.16% | Add +12.4% | 1,675,961 | $201.2M |
| Bank of Montreal | 0.08% | Add +191.7% | 1,566,540 | $188.1M |
| LSV Asset Management | 0.40% | Add +10.0% | 1,511,212 | $181.4M |
| Slate Path Capital LP | 2.63% | Reduce -76.5% | 1,416,237 | $170.0M |
| Neuberger Berman Group LLC | 0.12% | Reduce -5.8% | 1,368,391 | $163.3M |
| Amundi | 0.05% | Add +7.1% | 1,291,499 | $161.8M |
| Alyeska Investment Group, L.P. | 0.48% | Add +43.7% | 1,304,368 | $156.6M |
| Worldquant Millennium Advisors LLC | 0.67% | Add +284.7% | 1,294,929 | $155.5M |
| Two Sigma Investments, LP | 0.25% | Add +163.5% | 1,281,903 | $153.9M |
| Millennium Management | 0.12% | Add +229.1% | 1,231,825 | $147.9M |
| Barclays PLC | 0.06% | Add +24.8% | 1,227,487 | $147.4M |
| Royal Bank of Canada | 0.03% | Reduce -48.6% | 1,222,369 | $146.8M |
| Renaissance Technologies | 0.18% | Add +469.2% | 1,148,762 | $137.9M |
| Soroban Capital Partners LP | 1.13% | Reduce -62.5% | 1,146,273 | $137.6M |
| Atalan Capital Partners, LP | 9.31% | Add +2.4% | 1,110,788 | $133.4M |
| Swiss National Bank | 0.07% | Reduce -3.9% | 1,005,707 | $120.7M |
| Primecap Management Co. | 0.09% | Reduce -10.0% | 965,070 | $115.9M |
| Point72 Asset Management | 0.26% | Add +11.2% | 929,575 | $111.6M |
| Trivest Advisors Ltd | 3.52% | Add +463.4% | 920,000 | $110.5M |
| DNB Asset Management AS | 0.41% | Reduce -81.0% | 918,463 | $110.3M |
| Jane Street Group, LLC | 0.13% | Add +2896.7% | 912,936 | $109.6M |
| Parnassus Investments, LLC | 0.25% | Reduce -37.5% | 898,860 | $107.9M |
| Rokos Capital Management LLP | 1.33% | Reduce -20.4% | 870,742 | $104.5M |
| FIL Ltd | 0.08% | Reduce -91.8% | 850,940 | $102.2M |
| Artemis Investment Management LLP | 1.26% | Reduce -1.6% | 842,110 | $101.1M |
| Nomura Asset Management Co. Ltd. | 0.26% | Add +127.1% | 839,939 | $100.8M |
| Principal Financial Group Inc. | 0.05% | Add +48.2% | 817,063 | $98.1M |
| Sumitomo Mitsui Trust Group, Inc. | 0.06% | Add +0.9% | 807,641 | $97.0M |
| Wells Fargo & Company | 0.02% | Reduce -23.5% | 802,785 | $96.4M |
| Robeco Institutional Asset Management B.V. | 0.14% | Add +116.4% | 782,748 | $94.0M |
| Schonfeld Strategic Advisors LLC | 0.60% | Add +32.3% | 712,614 | $85.6M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.06% | Add +6.9% | 705,130 | $84.7M |
| Bank of Nova Scotia | 0.15% | Add +94.3% | 697,698 | $83.8M |
| Voloridge Investment Management, LLC | 0.28% | New | 694,803 | $83.4M |
| Rhumbline Advisers | 0.06% | Reduce -1.7% | 668,712 | $80.3M |
| Wolf Hill Capital Management, LP | 7.01% | Add +63.4% | 612,656 | $73.6M |
| California Public Employees Retirement System | 0.04% | Add +6.5% | 581,862 | $69.9M |
| Envestnet Asset Management Inc. | 0.02% | Add +178.1% | 580,607 | $69.7M |
| Victory Capital Management Inc. | 0.04% | Reduce -17.7% | 576,829 | $69.3M |
| Ceredex Value Advisors LLC | 1.60% | Add +22.8% | 574,989 | $69.0M |
| Macquarie Group Ltd. | 0.08% | Add +818.4% | 563,391 | $64.2M |
| Gotham Asset Management | 0.28% | Add +5.3% | 531,734 | $63.8M |
| Squarepoint Ops LLC | 0.14% | Add +43.5% | 528,413 | $63.4M |
| California State Teachers Retirement System | 0.06% | Add +5.2% | 514,643 | $61.8M |
| Russell Investments Group, Ltd. | 0.07% | Add +28.8% | 505,100 | $60.6M |
| Empowered Funds, LLC | 0.61% | Add +278.7% | 502,089 | $60.3M |
| WT Asset Management Ltd | 2.78% | New | 499,300 | $59.9M |
| First Trust Advisors LP | 0.04% | Reduce -47.5% | 491,294 | $59.0M |
| Tudor Investment Corporation | 0.39% | New | 489,305 | $58.7M |
| Alta Park Capital, LP | 5.69% | Reduce -29.1% | 470,900 | $56.5M |
| Prudential Financial Inc. | 0.07% | Add +101.0% | 464,029 | $55.7M |
| Bahl & Gaynor LLC | 0.28% | Reduce -5.8% | 462,850 | $55.6M |
| National Pension Service | 0.04% | Add +29.9% | 460,182 | $55.2M |
| Sei Investments Co. | 0.06% | Add +352.0% | 459,874 | $55.2M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.10% | Reduce -29.0% | 455,534 | $54.7M |
| Talos Eurisko Asset Management LP | 10.35% | Reduce -0.7% | 448,073 | $53.8M |
| LMR Partners LLP | 1.00% | Reduce -68.4% | 434,922 | $52.2M |
| HRT Financial LP | 0.18% | New | 418,781 | $50.3M |
| Two Sigma Advisers, LP | 0.10% | New | 413,800 | $49.7M |
| ARS Investment Partners, LLC | 3.26% | Reduce -18.5% | 411,871 | $49.4M |
| SG Americas Securities, LLC | 0.18% | Reduce -49.2% | 408,877 | $49.1M |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0.04% | New | 402,192 | $48.3M |
| Samlyn Capital, LLC | 0.67% | New | 393,626 | $47.3M |
| Danske Bank A/S | 0.12% | Add +40.8% | 388,522 | $46.6M |
| Quantinno Capital Management LP | 0.13% | Add +26.1% | 385,149 | $46.2M |
"% of holder's portfolio" is WDC's weight in each manager's 13F, not the share of Western Digital Corp. the manager owns.