Western Digital Ownership | Who Owns Western Digital?


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Western Digital Ownership Summary


Western Digital is owned by 91.70% institutional investors, 0.36% insiders, and 7.93% retail investors. Vanguard group is the largest institutional shareholder, holding 12.34% of WDC shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 3.15% of its assets in Western Digital shares.

WDC Ownership Benchmark


TypeName% Inst% Insiders% Retail
StockWestern Digital91.70%0.36%7.93%
SectorTechnology Stocks 44.47%12.07%43.46%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Vanguard group42.46M12.34%$2.53B
Blackrock28.09M8.62%$2.13B
Blackrock funding, inc. /de28.31M8.23%$1.69B
Fmr23.57M6.85%$1.41B
Jpmorgan chase23.39M6.80%$1.39B
State street13.15M4.03%$996.30M
Morgan stanley9.88M3.03%$748.46M
Price t rowe associates inc /md/9.03M2.63%$538.69M
Geode capital management8.75M2.54%$520.45M
Ubs group8.09M2.35%$482.40M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Sachem head capital management lp2.97M9.75%$176.98M
Cavalry management group9.18K9.61%$695.87K
Collaborative management lp49.00K7.54%$3.71M
Slate path capital lp6.69M7.22%$399.19M
Aigh capital management300.00K7.08%$22.73M
59 north capital management, lp2.54M7.08%$151.62M
Highland peak capital211.85K6.92%$12.63M
Atalan capital partners, lp1.05M6.23%$62.61M
Maple rock capital partners2.98M5.34%$177.93M
Parsifal capital management, lp976.02K5.34%$73.95M

Top Buyers

HolderShares% AssetsChange
Norges bank5.91M0.05%5.91M
Morgan stanley9.88M0.06%5.14M
Jpmorgan chase23.39M0.10%5.12M
Fmr23.57M0.08%4.61M
Ubs group8.09M0.09%1.78M

Top Sellers

HolderShares% AssetsChange
Price t rowe associates inc /md/9.03M0.06%-2.91M
Dnb asset management as7.73M2.00%-2.88M
Nuveen asset management984.64K0.02%-2.35M
Agf management---2.23M
Aspex management (hk)---2.04M

New Positions

HolderShares% AssetsChangeValue
Norges bank5.91M0.05%5.91M$352.57M
Atalan capital partners, lp1.05M6.23%1.05M$62.61M
Park west asset management930.00K4.45%930.00K$55.46M
Dendur capital lp494.00K3.04%494.00K$29.46M
683 capital management439.40K1.62%439.40K$26.20M

Sold Out

HolderChange
Transamerica financial advisors-1.00
Mendota financial group-1.00
Hallmark capital management-1.00
Financial gravity asset management-1.00
Crewe advisors-3.00

Institutional Ownership Trends


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Dec 31, 2024716-7.13%315,459,710-0.63%911.08%352-201-22.39%
Sep 30, 2024763-8.73%317,314,839-5.46%920.91%347-20.59%25715.77%
Jun 30, 20248318.91%335,512,94512.52%1021.23%43211.34%22211.00%
Mar 31, 202476313.71%298,189,158-1.01%911.06%38823.96%200-1.48%
Dec 31, 202367112.58%301,230,0169.30%921.27%31332.63%203-1.93%

Top Mutual Funds Shareholders


HolderShares% HoldingChange
Vanguard Total Stock Mkt Idx Inv10.97M3.15%124.33K
Vanguard US Total Market Shares ETF10.91M3.14%590.49K
Fidelity Select Semiconductors10.00M2.88%-305.60K
Vanguard Institutional 500 Index Trust9.58M2.76%58.70K
Vanguard Mid Cap Index Institutional7.51M2.16%77.19K
Columbia Seligman Tech & Info A4.63M1.33%716.80K
Fidelity 500 Index4.33M1.24%19.28K
SPDR® S&P 500 ETF4.30M1.24%-62.47K
iShares Core S&P 500 ETF4.24M1.22%12.30K
SPDR® S&P 500® ETF Trust4.19M1.20%-22.03K

Recent Insider Transactions


DateNameRoleActivityValue
Mar 12, 2025Zamiska Gene M. SVP & Princ. Acctg OfficerSell$19.78K
Mar 07, 2025Zamiska Gene M. SVP & Princ. Acctg OfficerSell$68.62K
Nov 29, 2024Zamiska Gene M. SVP & Princ. Acctg OfficerSell$22.73K
Nov 26, 2024Zamiska Gene M. SVP & Princ. Acctg OfficerSell$46.05K
Nov 21, 2024Zamiska Gene M. SVP & Princ. Acctg OfficerSell$24.24K

Insider Transactions Trends


DateBuySell
2025 Q1-2
2024 Q4-6
2024 Q3-6
2024 Q2-5
2024 Q1-5

WDC Ownership FAQ


Who owns the most shares of Western Digital?

Western Digital’s largest shareholders are Vanguard group (42.46M shares, 12.34%), Blackrock (28.09M shares, 8.62%), and Blackrock funding, inc. /de (28.31M shares, 8.23%). Together, they hold 29.19% of Western Digital’s total shares outstanding.

Does Blackrock own Western Digital?

Yes, BlackRock owns 8.62% of Western Digital, totaling 28.09M shares as of Jun 2024. This represents 0.05% of BlackRock's total assets, with a market value of 2.13B$. In the last quarter, BlackRock increased its holdings by 619.56K shares, a 2.26% change.

Who is Western Digital’s biggest shareholder by percentage of total assets invested?

Sachem head capital management lp is Western Digital’s biggest shareholder by percentage of total assets invested, with 9.75% of its assets in 2.97M Western Digital shares, valued at 176.98M$.

Who is the top mutual fund holder of Western Digital shares?

Vanguard Total Stock Mkt Idx Inv is the top mutual fund holder of Western Digital shares, with 3.15% of its total shares outstanding invested in 10.97M Western Digital shares.

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