Western DigitalWDC
13F holders, Q1 2025 (March 31)At the end of Q1 2025, 663 institutions reported holding Western Digital Corp. (WDC) in their 13F filings, down 48 from Q4 2024. 85 opened new positions and 140 sold out. The largest holders were Vanguard Group Inc. ($1.7B), BlackRock, Inc. ($1.2B) and FMR LLC ($1.1B). 10 famous investors held it, including Paul Singer (0.8% of Elliott Investment Management's portfolio), George Soros (0.4% of Soros Fund Management's portfolio) and Ken Griffin (0.2% 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 Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 85 | $259.0M |
| Exits | 140 | $743.3M |
All 13F filers, Q4 2024 → Q1 2025: 59,051,790 shares bought and 38,570,082 shares sold, net +20,481,708 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 663 holders
| Vanguard Group Inc. | 0.03% | Add +1.1% | 42,938,495 | $1.7B |
| BlackRock, Inc. | 0.03% | Add +6.1% | 30,047,720 | $1.2B |
| FMR LLC | 0.07% | Add +16.9% | 27,541,409 | $1.1B |
| JPMorgan Chase & Co. | 0.06% | Reduce -14.9% | 19,899,012 | $804.5M |
| Bank of America Corp. | 0.07% | Add +12.5% | 18,236,463 | $737.3M |
| UBS Group AG | 0.15% | Add +111.2% | 17,089,249 | $690.9M |
| State Street Corp. | 0.02% | Add +0.8% | 14,896,217 | $602.3M |
| Geode Capital Management, LLC | 0.03% | Add +4.3% | 9,119,259 | $367.5M |
| Ameriprise Financial Inc. | 0.09% | Add +20.7% | 7,906,087 | $319.6M |
| Slate Path Capital LP | 5.60% | Add +14.6% | 7,670,891 | $310.1M |
| FIL Ltd | 0.29% | Add +243.8% | 7,573,488 | $306.2M |
| Morgan Stanley | 0.02% | Add +33.5% | 6,528,076 | $263.9M |
| Invesco Ltd. | 0.04% | Add +43.9% | 5,760,681 | $232.9M |
| DNB Asset Management AS | 1.04% | Reduce -27.9% | 5,576,463 | $225.5M |
| T. Rowe Price Associates Inc. | 0.03% | Reduce -39.1% | 5,503,204 | $222.5M |
| Holocene Advisors, LP | 0.61% | Add +69.3% | 5,104,553 | $206.4M |
| Norges Bank | 0.03% | Reduce -14.8% | 5,034,811 | $203.6M |
| Alyeska Investment Group, L.P. | 0.81% | Add +130.0% | 5,029,359 | $203.3M |
| Citadel Advisors | 0.16% | Add +34.9% | 3,896,932 | $157.6M |
| Northern Trust Corp. | 0.02% | Add +1.5% | 3,449,811 | $139.5M |
| Deutsche Bank AG | 0.05% | Add +107.1% | 3,369,331 | $136.2M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.03% | Reduce -27.4% | 3,332,954 | $134.8M |
| Maple Rock Capital Partners Inc. | 9.41% | Add +6.9% | 3,189,796 | $129.0M |
| Dimensional Fund Advisors LP | 0.03% | Add +8.0% | 2,933,278 | $118.6M |
| Alliancebernstein L.P. | 0.04% | Reduce -11.2% | 2,926,051 | $118.3M |
| Legal & General Group Plc | 0.03% | Add +3.5% | 2,595,784 | $104.9M |
| Parnassus Investments, LLC | 0.25% | Reduce -14.3% | 2,553,614 | $103.2M |
| Charles Schwab Investment Management Inc. | 0.02% | Reduce -0.4% | 2,368,009 | $95.7M |
| Elliott Investment Management | 0.83% | No change | 2,250,000 | $91.0M |
| Balyasny Asset Management L.P. | 0.23% | Add +22453.4% | 2,242,487 | $90.7M |
| Bank of New York Mellon Corp | 0.02% | Reduce -0.9% | 2,154,419 | $87.1M |
| Amundi | 0.03% | Add +58.6% | 2,529,490 | $86.4M |
| HSBC Holdings PLC | 0.05% | Add +23.0% | 1,989,719 | $79.3M |
| AMF Tjanstepension AB | 0.56% | Add +18.3% | 1,867,877 | $75.5M |
| Sachem Head Capital Management LP | 2.99% | Reduce -37.8% | 1,845,000 | $74.6M |
| Squarepoint Ops LLC | 0.17% | Reduce -15.1% | 1,685,206 | $68.1M |
| BNP Paribas Financial Markets | 0.05% | Add +26.2% | 1,684,886 | $68.1M |
| Atalan Capital Partners, LP | 6.19% | Add +53.3% | 1,610,000 | $65.1M |
| Royal Bank of Canada | 0.01% | Add +1.7% | 1,565,963 | $63.3M |
| Allianz Asset Management GmbH | 0.08% | Reduce -2.0% | 1,372,968 | $55.5M |
| Goldman Sachs Group Inc. | 0.01% | Add +73.6% | 1,266,204 | $51.2M |
| Canada Pension Plan Investment Board | 0.05% | New | 1,258,900 | $50.9M |
| LSV Asset Management | 0.11% | Add +22.5% | 1,177,960 | $47.6M |
| Primecap Management Co. | 0.04% | Reduce -3.2% | 1,121,555 | $45.3M |
| Barclays PLC | 0.02% | Add +45.5% | 1,115,700 | $45.1M |
| Cartenna Capital, LP | 3.42% | Reduce -7.2% | 1,050,000 | $42.5M |
| Avala Global LP | 2.87% | Reduce -26.9% | 1,041,000 | $42.1M |
| Citigroup Inc. | 0.03% | Add +86.2% | 1,034,822 | $41.8M |
| Freestone Grove Partners LP | 0.42% | Reduce -12.7% | 1,009,697 | $40.8M |
| Nuveen, LLC | 0.01% | — | 1,008,171 | $40.8M |
| Bank of Montreal | 0.02% | Add +4.7% | 994,257 | $40.2M |
| LMR Partners LLP | 1.10% | Add +117.9% | 986,369 | $39.9M |
| Swiss National Bank | 0.03% | Reduce -0.2% | 974,907 | $39.4M |
| Wells Fargo & Company | 0.01% | Add +14.6% | 908,827 | $36.7M |
| Parsifal Capital Management, LP | 3.80% | Add +32.0% | 897,574 | $36.3M |
| Westfield Capital Management Co. LP | 0.17% | New | 875,743 | $35.4M |
| Park West Asset Management LLC | 2.81% | Reduce -8.6% | 850,000 | $34.4M |
| Dendur Capital LP | 4.14% | Add +70.0% | 840,000 | $34.0M |
| Artemis Investment Management LLP | 0.52% | Reduce -42.1% | 835,313 | $33.8M |
| Broad Bay Capital Management, LP | 4.98% | Add +112.3% | 819,511 | $33.1M |
| Glenview Capital Management, LLC | 0.79% | Add +12.5% | 786,435 | $31.8M |
| Sumitomo Mitsui Trust Group, Inc. | 0.02% | Reduce -7.4% | 779,669 | $31.5M |
| Neuberger Berman Group LLC | 0.02% | Reduce -53.0% | 728,554 | $29.5M |
| Jane Street Group, LLC | 0.05% | Add +41.8% | 721,252 | $29.2M |
| Troluce Capital Advisors LLC | 27.53% | Add +1208.8% | 711,750 | $28.8M |
| Highland Peak Capital, LLC | 21.41% | Add +235.3% | 710,231 | $28.7M |
| Walleye Capital LLC | 0.34% | Add +51.6% | 679,609 | $27.5M |
| Rhumbline Advisers | 0.03% | Add +7.3% | 674,874 | $27.3M |
| Impactive Capital LP | 1.23% | New | 664,705 | $26.9M |
| Deprince Race & Zollo Inc. | 0.52% | Add +3.0% | 621,691 | $25.1M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.02% | Add +14.3% | 621,230 | $25.1M |
| Two Sigma Investments, LP | 0.05% | Reduce -25.1% | 591,918 | $23.9M |
| Nishkama Capital, LLC | 9.94% | Add +682.6% | 586,129 | $23.7M |
| Caisse de depot et placement du Quebec | 0.05% | New | 565,161 | $22.8M |
| Walleye Trading LLC | 0.64% | Add +34.4% | 558,911 | $22.6M |
| Sora Investors LLC | 2.50% | Add +14.5% | 509,650 | $20.6M |
| 683 Capital Management, LLC | 2.25% | Add +13.8% | 500,000 | $20.2M |
| California State Teachers Retirement System | 0.02% | Add +0.6% | 495,736 | $20.0M |
| Tairen Capital Ltd | 1.31% | New | 490,462 | $19.8M |
| Boothbay Fund Management, LLC | 0.68% | Add +116.9% | 465,781 | $18.8M |
| Mackenzie Financial Corp. | 0.03% | Add +54.5% | 455,698 | $18.4M |
| Meridiem Capital Partners LP | 1.99% | Add +175.0% | 449,017 | $18.2M |
| AQR Capital Management | 0.02% | Add +77.7% | 447,426 | $17.7M |
| Russell Investments Group, Ltd. | 0.02% | Add +9.2% | 419,820 | $17.0M |
| Ardmore Road Asset Management LP | 1.66% | Add +166.7% | 400,000 | $16.2M |
| Principal Financial Group Inc. | 0.01% | Add +0.2% | 391,660 | $15.8M |
| California Public Employees Retirement System | 0.01% | Reduce -24.8% | 387,790 | $15.7M |
| CANADA LIFE ASSURANCE Co | 0.03% | Reduce -1.2% | 374,087 | $15.1M |
| Polar Asset Management Partners Inc. | 0.70% | Add +0.8% | 373,898 | $15.1M |
| Loomis Sayles & Co. L P | 0.02% | Add +33.4% | 368,430 | $14.9M |
| Gotham Asset Management | 0.12% | Add +13.9% | 366,853 | $14.8M |
| National Pension Service | 0.01% | Reduce -58.9% | 354,348 | $14.3M |
| Soros Fund Management | 0.36% | New | 350,000 | $14.2M |
| State Board of Administration of Florida Retirement System | 0.03% | Add +0.5% | 320,906 | $13.0M |
| State of Wisconsin Investment Board | 0.03% | Add +0.2% | 297,058 | $12.0M |
| KBC Group NV | 0.04% | Add +3.4% | 289,693 | $11.7M |
| 53 House LLP | 10.00% | New | 280,201 | $11.3M |
| Susquehanna Fundamental Investments, LLC | 0.19% | Add +46.9% | 276,330 | $11.2M |
| National Bank of Canada | 0.01% | Add +58.9% | 265,243 | $10.7M |
| Quantinno Capital Management LP | 0.07% | Add +381.3% | 265,109 | $10.7M |
"% of holder's portfolio" is WDC's weight in each manager's 13F, not the share of Western Digital Corp. the manager owns.