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; 1,851 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 | 1,851 | $206.3B |
| Q1 2026 | 1,421 | $90.0B |
| Q4 2025 | 1,174 | $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 |
|---|---|---|---|---|---|
| Nomura Asset Management Co Ltd | 839,939 | $100.8M | 0.26% | +470,095+127.1% | Added |
| Artemis Investment Management LLP | 842,110 | $101.1M | 1.26% | −13,838−1.6% | Reduced |
| FIL Ltd | 850,940 | $102.2M | 0.08% | −9,574,144−91.8% | Reduced |
| Rokos Capital Management LLP | 870,742 | $104.5M | 1.31% | −222,615−20.4% | Reduced |
| Parnassus Investments | 898,860 | $107.9M | 0.25% | −538,761−37.5% | Reduced |
| Jane Street Group, LLC | 912,936 | $109.6M | 0.13% | +882,471+2,896.7% | Added |
| DnB Asset Management AS | 918,463 | $110.3M | 0.41% | −3,923,603−81.0% | Reduced |
| Trivest Advisors Ltd | 920,000 | $110.5M | 3.52% | +756,700+463.4% | Added |
| Point72 Asset Management, L.P. | 929,575 | $111.6M | 0.24% | +93,606+11.2% | Added |
| Primecap Management Co | 965,070 | $115.9M | 0.09% | −107,020−10.0% | Reduced |
| Swiss National Bank | 1,005,707 | $120.7M | 0.07% | −40,800−3.9% | Reduced |
| Atalan Capital Partners, LP | 1,110,788 | $133.4M | 9.31% | +26,000+2.4% | Added |
| Soroban Capital Partners LP | 1,146,273 | $137.6M | 1.13% | −1,914,861−62.6% | Reduced |
| Renaissance Technologies LLC | 1,148,762 | $137.9M | 0.18% | +946,929+469.2% | Added |
| Royal Bank of Canada | 1,222,369 | $146.8M | 0.03% | −1,157,804−48.6% | Reduced |
| Barclays PLC | 1,227,487 | $147.4M | 0.05% | +244,245+24.8% | Added |
| Millennium Management LLC | 1,231,825 | $147.9M | 0.12% | +857,489+229.1% | Added |
| Two Sigma Investments, LP | 1,281,903 | $153.9M | 0.24% | +795,387+163.5% | Added |
| Worldquant Millennium Advisors LLC | 1,294,929 | $155.5M | 0.67% | +958,289+284.7% | Added |
| Alyeska Investment Group, L.P. | 1,304,368 | $156.6M | 0.48% | +396,470+43.7% | Added |
| Amundi | 1,291,499 | $161.8M | 0.05% | +85,843+7.1% | Added |
| Neuberger Berman Group LLC | 1,368,391 | $163.3M | 0.12% | −85,063−5.9% | Reduced |
| Slate Path Capital LP | 1,416,237 | $170.0M | 2.63% | −4,621,854−76.5% | Reduced |
| LSV Asset Management | 1,511,212 | $181.4M | 0.40% | +137,112+10.0% | Added |
| Bank of Montreal | 1,566,540 | $188.1M | 0.08% | +1,029,560+191.7% | Added |
| BNP Paribas Arbitrage, SA | 1,675,961 | $201.2M | 0.16% | +184,861+12.4% | Added |
| AQR Capital Management LLC | 1,744,042 | $209.4M | 0.13% | +511,971+41.6% | Added |
| Castle Hook Partners LP | 1,752,403 | $210.4M | 3.19% | +1,039,720+145.9% | Added |
| Citigroup Inc | 1,784,833 | $214.3M | 0.15% | +207,071+13.1% | Added |
| AMF Pensionsforsakring AB | 1,812,464 | $217.6M | 1.38% | −53,071−2.8% | Reduced |
| Polar Capital Holdings Plc | 1,847,408 | $221.8M | 1.07% | +1,847,408 | New |
| HSBC Holdings PLC | 1,879,562 | $222.7M | 0.13% | +732,088+63.8% | Added |
| Alliancebernstein L.P. | 1,947,367 | $233.8M | 0.07% | +210,600+12.1% | Added |
| Bank of New York Mellon Corp | 1,955,696 | $234.8M | 0.04% | −81,470−4.0% | Reduced |
| Legal & General Group Plc | 2,098,618 | $252.0M | 0.06% | +187,619+9.8% | Added |
| Balyasny Asset Management LLC | 2,175,243 | $261.2M | 0.53% | −1,817,131−45.5% | Reduced |
| Holocene Advisors, LP | 2,270,410 | $272.6M | 0.63% | −3,265,562−59.0% | Reduced |
| Charles Schwab Investment Management Inc | 2,365,874 | $284.0M | 0.05% | −60,887−2.5% | Reduced |
| Goldman Sachs Group Inc | 2,505,654 | $300.8M | 0.04% | −1,597,304−38.9% | Reduced |
| Nuveen, LLC | 2,553,218 | $306.5M | 0.08% | +1,184,779+86.6% | Added |
| Price T Rowe Associates Inc | 2,567,766 | $308.3M | 0.03% | −961,765−27.2% | Reduced |
| Maple Rock Capital Partners Inc. | 2,589,325 | $310.9M | 12.55% | −1,145,971−30.7% | Reduced |
| UBS Asset Management Americas Inc | 2,650,242 | $318.2M | 0.07% | −553,040−17.3% | Reduced |
| Deutsche Bank AG | 3,041,545 | $365.2M | 0.12% | +842,536+38.3% | Added |
| Fred Alger Management, LLC | 3,407,042 | $409.0M | 1.59% | +3,339,225+4,923.9% | Added |
| Citadel Advisors LLC | 3,727,606 | $447.5M | 0.36% | +212,003+6.0% | Added |
| Dimensional Fund Advisors LP | 3,804,907 | $456.7M | 0.10% | +402,981+11.8% | Added |
| Northern Trust Corp | 3,805,463 | $456.9M | 0.06% | +384,103+11.2% | Added |
| Invesco Ltd. | 4,435,076 | $532.5M | 0.08% | −833,716−15.8% | Reduced |
| WCM Investment Management, LLC | 6,778,460 | $791.3M | 1.65% | +6,778,460 | New |
| UBS Group AG | 7,329,996 | $880.0M | 0.17% | −4,097,220−35.9% | Reduced |
| Morgan Stanley | 8,402,622 | $1.01B | 0.06% | +576,348+7.4% | Added |
| Ameriprise Financial Inc | 8,683,319 | $1.04B | 0.24% | −376,209−4.2% | Reduced |
| Geode Capital Management, LLC | 9,414,518 | $1.13B | 0.07% | +109,229+1.2% | Added |
| D. E. Shaw & Co., Inc. | 9,625,316 | $1.16B | 0.93% | +6,718,155+231.1% | Added |
| JPMorgan Chase & Co | 12,020,110 | $1.44B | 0.09% | +711,607+6.3% | Added |
| State Street Corp | 15,461,857 | $1.86B | 0.06% | +277,335+1.8% | Added |
| Bank of America Corp | 22,361,010 | $2.68B | 0.20% | −3,516,944−13.6% | Reduced |
| FMR LLC | 23,756,722 | $2.85B | 0.15% | −8,504,412−26.4% | Reduced |
| BlackRock, Inc. | 34,714,851 | $4.17B | 0.07% | −282,005−0.8% | Reduced |
| Vanguard Group Inc | 43,282,393 | $5.20B | 0.08% | +243,177+0.6% | Added |
| Impactive Capital LP | 0 | $0 | 0.00% | −3,571,435−100.0% | Sold out |
| Elliott Investment Management L.P.SuperinvestorElliott Investment Management | 0 | $0 | 0.00% | −2,250,000−100.0% | Sold out |
| Capitolis Liquid Global Markets LLC | 0 | $0 | 0.00% | −1,000,000−100.0% | Sold out |
| Westfield Capital Management Co LP | 0 | $0 | 0.00% | −862,236−100.0% | Sold out |
| Mangrove Partners | 0 | $0 | 0.00% | −824,256−100.0% | Sold out |
| Glenview Capital Management, LLC | 0 | $0 | 0.00% | −600,570−100.0% | Sold out |
| Meridiem Capital Partners LP | 0 | $0 | 0.00% | −519,813−100.0% | Sold out |
| Nearwater Capital Markets, Ltd | 0 | $0 | 0.00% | −504,000−100.0% | Sold out |
| AXA S.A. | 0 | $0 | 0.00% | −345,424−100.0% | Sold out |
| Troluce Capital Advisors LLC | 0 | $0 | 0.00% | −255,150−100.0% | Sold out |
| Natixis | 0 | $0 | 0.00% | −214,530−100.0% | Sold out |
| Redwood Grove Capital, LLC | 0 | $0 | 0.00% | −212,818−100.0% | Sold out |
| Mizuho Markets Americas LLC | 0 | $0 | 0.00% | −165,500−100.0% | Sold out |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 0 | $0 | 0.00% | −134,323−100.0% | Sold out |
| PKO BP BANKOWY Universal Pension Society JSC | 0 | $0 | 0.00% | −101,000−100.0% | Sold out |
| Kintayl Capital LP | 0 | $0 | 0.00% | −88,517−100.0% | Sold out |
| Soros Capital Management LLC | 0 | $0 | 0.00% | −80,800−100.0% | Sold out |
| M&G Plc | 0 | $0 | 0.00% | −69,213−100.0% | Sold out |
| Sciencast Management LP | 0 | $0 | 0.00% | −48,966−100.0% | Sold out |
| SummitTX Capital, L.P. | 0 | $0 | 0.00% | −33,679−100.0% | Sold out |
| Saba Capital Management, L.P. | 0 | $0 | 0.00% | −32,751−100.0% | Sold out |
| Parus Finance (UK) Ltd | 0 | $0 | 0.00% | −32,220−100.0% | Sold out |
| Diametric Capital, LP | 0 | $0 | 0.00% | −27,987−100.0% | Sold out |
| Galaxy Digital Capital Management GP LLC | 0 | $0 | 0.00% | −26,830−100.0% | Sold out |
| Shay Capital LLC | 0 | $0 | 0.00% | −13,010−100.0% | Sold out |
| DRW Securities, LLC | 0 | $0 | 0.00% | −11,675−100.0% | Sold out |
| Neo Ivy Capital Management | 0 | $0 | 0.00% | −9,992−100.0% | Sold out |
| Bluefin Capital Management, LLC | 0 | $0 | 0.00% | −7,533−100.0% | Sold out |
| Integrated Quantitative Investments LLC | 0 | $0 | 0.00% | −7,100−100.0% | Sold out |
| Symmetry Investments LP | 0 | $0 | 0.00% | −7,008−100.0% | Sold out |
| Readystate Asset Management LP | 0 | $0 | 0.00% | −6,155−100.0% | Sold out |
| Net Worth Advisory Group | 0 | $0 | 0.00% | −5,036−100.0% | Sold out |
| Evelyn Partners Investment Management LLP | 0 | $0 | 0.00% | −4,435−100.0% | Sold out |
| Sender Co & Partners, Inc. | 0 | $0 | 0.00% | −4,332−100.0% | Sold out |
| CMT Capital Markets Trading GmbH | 0 | $0 | 0.00% | −4,220−100.0% | Sold out |
| Sandler Capital Management | 0 | $0 | 0.00% | −3,750−100.0% | Sold out |
| ICONIQ Capital, LLC | 0 | $0 | 0.00% | −3,366−100.0% | Sold out |
| Longboard Asset Management, LP | 0 | $0 | 0.00% | −3,185−100.0% | Sold out |
| Skopos Labs, Inc. | 0 | $0 | 0.00% | −4,589−100.0% | Sold out |