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 |
|---|---|---|---|---|---|
| Vanguard Group Inc | 43,282,393 | $5.20B | 0.08% | +243,177+0.6% | Added |
| BlackRock, Inc. | 34,714,851 | $4.17B | 0.07% | −282,005−0.8% | Reduced |
| FMR LLC | 23,756,722 | $2.85B | 0.15% | −8,504,412−26.4% | Reduced |
| Bank of America Corp | 22,361,010 | $2.68B | 0.20% | −3,516,944−13.6% | Reduced |
| State Street Corp | 15,461,857 | $1.86B | 0.06% | +277,335+1.8% | Added |
| JPMorgan Chase & Co | 12,020,110 | $1.44B | 0.09% | +711,607+6.3% | Added |
| D. E. Shaw & Co., Inc. | 9,625,316 | $1.16B | 0.93% | +6,718,155+231.1% | Added |
| Geode Capital Management, LLC | 9,414,518 | $1.13B | 0.07% | +109,229+1.2% | Added |
| Ameriprise Financial Inc | 8,683,319 | $1.04B | 0.24% | −376,209−4.2% | Reduced |
| Morgan Stanley | 8,402,622 | $1.01B | 0.06% | +576,348+7.4% | Added |
| UBS Group AG | 7,329,996 | $880.0M | 0.17% | −4,097,220−35.9% | Reduced |
| WCM Investment Management, LLC | 6,778,460 | $791.3M | 1.65% | +6,778,460 | New |
| Invesco Ltd. | 4,435,076 | $532.5M | 0.08% | −833,716−15.8% | Reduced |
| Northern Trust Corp | 3,805,463 | $456.9M | 0.06% | +384,103+11.2% | Added |
| Dimensional Fund Advisors LP | 3,804,907 | $456.7M | 0.10% | +402,981+11.8% | Added |
| Citadel Advisors LLC | 3,727,606 | $447.5M | 0.36% | +212,003+6.0% | Added |
| Fred Alger Management, LLC | 3,407,042 | $409.0M | 1.59% | +3,339,225+4,923.9% | Added |
| Deutsche Bank AG | 3,041,545 | $365.2M | 0.12% | +842,536+38.3% | Added |
| UBS Asset Management Americas Inc | 2,650,242 | $318.2M | 0.07% | −553,040−17.3% | Reduced |
| Maple Rock Capital Partners Inc. | 2,589,325 | $310.9M | 12.55% | −1,145,971−30.7% | Reduced |
| Price T Rowe Associates Inc | 2,567,766 | $308.3M | 0.03% | −961,765−27.2% | Reduced |
| Nuveen, LLC | 2,553,218 | $306.5M | 0.08% | +1,184,779+86.6% | Added |
| Goldman Sachs Group Inc | 2,505,654 | $300.8M | 0.04% | −1,597,304−38.9% | Reduced |
| Charles Schwab Investment Management Inc | 2,365,874 | $284.0M | 0.05% | −60,887−2.5% | Reduced |
| Holocene Advisors, LP | 2,270,410 | $272.6M | 0.63% | −3,265,562−59.0% | Reduced |
| Balyasny Asset Management LLC | 2,175,243 | $261.2M | 0.53% | −1,817,131−45.5% | Reduced |
| Legal & General Group Plc | 2,098,618 | $252.0M | 0.06% | +187,619+9.8% | Added |
| Bank of New York Mellon Corp | 1,955,696 | $234.8M | 0.04% | −81,470−4.0% | Reduced |
| Alliancebernstein L.P. | 1,947,367 | $233.8M | 0.07% | +210,600+12.1% | Added |
| HSBC Holdings PLC | 1,879,562 | $222.7M | 0.13% | +732,088+63.8% | Added |
| Polar Capital Holdings Plc | 1,847,408 | $221.8M | 1.07% | +1,847,408 | New |
| AMF Pensionsforsakring AB | 1,812,464 | $217.6M | 1.38% | −53,071−2.8% | Reduced |
| Citigroup Inc | 1,784,833 | $214.3M | 0.15% | +207,071+13.1% | Added |
| Castle Hook Partners LP | 1,752,403 | $210.4M | 3.19% | +1,039,720+145.9% | Added |
| AQR Capital Management LLC | 1,744,042 | $209.4M | 0.13% | +511,971+41.6% | Added |
| BNP Paribas Arbitrage, SA | 1,675,961 | $201.2M | 0.16% | +184,861+12.4% | Added |
| Bank of Montreal | 1,566,540 | $188.1M | 0.08% | +1,029,560+191.7% | Added |
| LSV Asset Management | 1,511,212 | $181.4M | 0.40% | +137,112+10.0% | Added |
| Slate Path Capital LP | 1,416,237 | $170.0M | 2.63% | −4,621,854−76.5% | Reduced |
| Neuberger Berman Group LLC | 1,368,391 | $163.3M | 0.12% | −85,063−5.9% | Reduced |
| Amundi | 1,291,499 | $161.8M | 0.05% | +85,843+7.1% | Added |
| Alyeska Investment Group, L.P. | 1,304,368 | $156.6M | 0.48% | +396,470+43.7% | Added |
| Worldquant Millennium Advisors LLC | 1,294,929 | $155.5M | 0.67% | +958,289+284.7% | Added |
| Two Sigma Investments, LP | 1,281,903 | $153.9M | 0.24% | +795,387+163.5% | Added |
| Millennium Management LLC | 1,231,825 | $147.9M | 0.12% | +857,489+229.1% | Added |
| Barclays PLC | 1,227,487 | $147.4M | 0.05% | +244,245+24.8% | Added |
| Royal Bank of Canada | 1,222,369 | $146.8M | 0.03% | −1,157,804−48.6% | Reduced |
| Renaissance Technologies LLC | 1,148,762 | $137.9M | 0.18% | +946,929+469.2% | Added |
| Soroban Capital Partners LP | 1,146,273 | $137.6M | 1.13% | −1,914,861−62.6% | Reduced |
| Atalan Capital Partners, LP | 1,110,788 | $133.4M | 9.31% | +26,000+2.4% | Added |
| Swiss National Bank | 1,005,707 | $120.7M | 0.07% | −40,800−3.9% | Reduced |
| Primecap Management Co | 965,070 | $115.9M | 0.09% | −107,020−10.0% | Reduced |
| Point72 Asset Management, L.P. | 929,575 | $111.6M | 0.24% | +93,606+11.2% | Added |
| Trivest Advisors Ltd | 920,000 | $110.5M | 3.52% | +756,700+463.4% | Added |
| DnB Asset Management AS | 918,463 | $110.3M | 0.41% | −3,923,603−81.0% | Reduced |
| Jane Street Group, LLC | 912,936 | $109.6M | 0.13% | +882,471+2,896.7% | Added |
| Parnassus Investments | 898,860 | $107.9M | 0.25% | −538,761−37.5% | Reduced |
| Rokos Capital Management LLP | 870,742 | $104.5M | 1.31% | −222,615−20.4% | Reduced |
| FIL Ltd | 850,940 | $102.2M | 0.08% | −9,574,144−91.8% | Reduced |
| Artemis Investment Management LLP | 842,110 | $101.1M | 1.26% | −13,838−1.6% | Reduced |
| Nomura Asset Management Co Ltd | 839,939 | $100.8M | 0.26% | +470,095+127.1% | Added |
| Principal Financial Group Inc | 817,063 | $98.1M | 0.05% | +265,654+48.2% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 807,641 | $97.0M | 0.06% | +7,514+0.9% | Added |
| Wells Fargo & Company | 802,785 | $96.4M | 0.02% | −246,000−23.5% | Reduced |
| Robeco Institutional Asset Management B.V. | 782,748 | $94.0M | 0.14% | +421,039+116.4% | Added |
| Schonfeld Strategic Advisors LLC | 712,614 | $85.6M | 0.60% | +174,047+32.3% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 705,130 | $84.7M | 0.06% | +45,606+6.9% | Added |
| Bank of Nova Scotia | 697,698 | $83.8M | 0.15% | +338,618+94.3% | Added |
| Voloridge Investment Management, LLC | 694,803 | $83.4M | 0.28% | +694,803 | New |
| Rhumbline Advisers | 668,712 | $80.3M | 0.06% | −11,589−1.7% | Reduced |
| Wolf Hill Capital Management, LP | 612,656 | $73.6M | 7.01% | +237,656+63.4% | Added |
| California Public Employees Retirement System | 581,862 | $69.9M | 0.04% | +35,249+6.4% | Added |
| Envestnet Asset Management Inc | 580,607 | $69.7M | 0.02% | +371,829+178.1% | Added |
| Victory Capital Management Inc | 576,829 | $69.3M | 0.04% | −123,731−17.7% | Reduced |
| Ceredex Value Advisors LLC | 574,989 | $69.0M | 1.60% | +106,889+22.8% | Added |
| Macquarie Group Ltd | 563,391 | $64.2M | 0.07% | +502,047+818.4% | Added |
| Gotham Asset Management, LLC | 531,734 | $63.8M | 0.28% | +26,579+5.3% | Added |
| Squarepoint Ops LLC | 528,413 | $63.4M | 0.13% | +160,140+43.5% | Added |
| California State Teachers Retirement System | 514,643 | $61.8M | 0.06% | +25,427+5.2% | Added |
| Russell Investments Group, Ltd. | 505,100 | $60.6M | 0.07% | +112,945+28.8% | Added |
| Empowered Funds, LLC | 502,089 | $60.3M | 0.61% | +369,520+278.7% | Added |
| WT Asset Management Ltd | 499,300 | $59.9M | 2.77% | +499,300 | New |
| First Trust Advisors LP | 491,294 | $59.0M | 0.04% | −445,019−47.5% | Reduced |
| Tudor Investment Corp Et Al | 489,305 | $58.7M | 0.38% | +489,305 | New |
| Alta Park Capital, LP | 470,900 | $56.5M | 5.69% | −192,849−29.1% | Reduced |
| Prudential Financial Inc | 464,029 | $55.7M | 0.07% | +233,196+101.0% | Added |
| Bahl & Gaynor Inc | 462,850 | $55.6M | 0.28% | −28,281−5.8% | Reduced |
| National Pension Service | 460,182 | $55.2M | 0.04% | +105,834+29.9% | Added |
| SEI Investments Co | 459,874 | $55.2M | 0.06% | +358,136+352.0% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 455,534 | $54.7M | 0.10% | −186,183−29.0% | Reduced |
| Talos Asset Management LP | 448,073 | $53.8M | 10.35% | −2,927−0.6% | Reduced |
| LMR Partners LLP | 434,922 | $52.2M | 0.67% | −940,947−68.4% | Reduced |
| HRT Financial LP | 418,781 | $50.3M | 0.18% | +418,781 | New |
| Two Sigma Advisers, LP | 413,800 | $49.7M | 0.10% | +413,800 | New |
| ARS Investment Partners, LLC | 411,871 | $49.4M | 3.26% | −93,412−18.5% | Reduced |
| SG Americas Securities, LLC | 408,877 | $49.1M | 0.18% | −395,705−49.2% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 402,192 | $48.3M | 0.04% | +402,192 | New |
| Samlyn Capital, LLC | 393,626 | $47.3M | 0.67% | +393,626 | New |
| Danske Bank A/S | 388,522 | $46.6M | 0.12% | +112,547+40.8% | Added |
| Quantinno Capital Management LP | 385,149 | $46.2M | 0.13% | +79,607+26.1% | Added |