Western DigitalWDC

13F holders, Q1 2025 (March 31)
663holders −48
85new positions
140sold out
10famous investors
$40.37avg. 13F price*

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

05001,0001,5002,000 Q1 2024: 680Q1 2024Q2 2024: 757Q2 2024Q3 2024: 697Q3 2024Q4 2024: 711Q4 2024Q1 2025: 663Q1 2025Q2 2025: 749Q2 2025Q3 2025: 961Q3 2025Q4 2025: 1,175Q4 2025Q1 2026: 1,422Q1 2026Q2 2026: 1,851Q2 2026

Total Exit/New Position Q4 2024 → Q1 2025

InstitutionsTotal Value
New Positions85$259.0M
Exits140$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.

Show all 663 holders