Western Digital Ownership | Who Owns Western Digital?


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Western Digital Ownership Summary


Western Digital is owned by 94.04% institutional investors, 0.56% insiders, and 5.40% retail investors. Vanguard group is the largest institutional shareholder, holding 12.28% of WDC shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 3.18% of its assets in Western Digital shares.

WDC Ownership Benchmark


TypeName% Inst% Insiders% Retail
StockWestern Digital94.04%0.56%5.40%
SectorTechnology Stocks 53.67%14.96%31.36%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Vanguard group42.35M12.28%$7.30B
Blackrock funding, inc. /de32.95M9.55%$21.05B
Blackrock28.09M8.62%$2.13B
Fmr25.98M7.53%$16.60B
Vanguard capital management22.51M6.52%$14.38B
Jpmorgan chase17.01M4.93%$11.09B
Capital world investors16.60M4.81%$10.60B
State street16.28M4.72%$10.40B
Invesco14.44M4.18%$9.22B
Geode capital management8.41M2.44%$5.35B

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Jat capital mgmt lp21.50K28.97%$13.73M
Central asset investments & management (hk)94.39K23.86%$60.29M
Trivest advisors982.60K19.73%$627.61M
Maple rock capital partners1.36M17.01%$867.28M
Amanah trust315.00K11.82%$201.20M
Keystone investors pte294.25K10.06%$187.94M
Wt asset management784.21K9.91%$500.89M
Cavalry management group9.18K9.61%$695.87K
Alta park capital, lp136.24K7.97%$87.02M
October effect12.58K7.56%$8.04M

Top Buyers

HolderShares% AssetsChange
Invesco14.44M0.73%7.32M
Capital world investors16.60M1.25%4.72M
Norges bank4.63M0.29%4.63M
Sixth street partners management company2.13M0.18%2.13M
Ubs asset management americas4.74M0.55%1.84M

Top Sellers

HolderShares% AssetsChange
Fmr25.98M0.72%-5.64M
Wcm investment management1.63M1.93%-4.93M
Impactive capital lp---3.57M
Ubs group1.26M0.10%-2.92M
Blackrock funding, inc. /de32.95M0.31%-2.82M

New Positions

HolderShares% AssetsChangeValue
Norges bank4.63M0.29%4.63M$2.96B
Sixth street partners management company2.13M0.18%2.13M$1.36B
Capital investors1.80M0.24%1.80M$1.15B
Qube research915.93K0.54%915.93K$585.02M
Aigh capital management300.00K7.08%300.00K$22.73M

Sold Out

HolderChange
Cgc financial services-1.00
Financial gravity asset management-1.00
Mendota financial group-1.00
Luken investment analytics-2.00
Kohmann bosshard financial services-4.00

Institutional Ownership Trends


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Jun 30, 20261,92928.09%324,431,349-1.46%941.03%1,11637.61%60021.70%
Mar 31, 20261,45716.75%313,876,883-6.01%900.97%7809.70%48333.43%
Dec 31, 2025516-50.43%84,335,486-75.60%240.25%313-51.25%138-42.50%
Sep 30, 2025492-38.96%89,935,211-73.76%250.26%323-32.29%99-49.75%
Jun 30, 202580911.74%364,416,4353.93%1051.02%47427.08%198-4.81%

Top Mutual Funds Shareholders


HolderShares% HoldingChange
Vanguard Total Stock Mkt Idx Inv10.94M3.18%153.10K
Vanguard Morn Total Stk Mkt Idx Investor10.94M3.18%153.10K
Vanguard US Total Market Shares ETF10.91M3.14%590.49K
Vanguard MStar Total Stk Mkt Idx Invest10.98M3.04%31.33K
Vanguard Institutional 500 Index Trust9.90M2.84%72.25K
Vanguard 500 Index Investor9.05M2.51%95.13K
Invesco QQQ Trust7.14M2.07%-90.51K
Fidelity Global Technology A-Dis-EUR5.00M1.44%-4.34M
iShares Core S&P 500 ETF4.65M1.35%7.40K
American Funds Fundamental Invs A4.44M1.29%1.35M

Recent Insider Transactions


DateNameRoleActivityValue
Aug 26, 2026Tregillis Cynthia L Chief Legal Officer & Corp SecSell$214.57K
Aug 27, 2026Tregillis Cynthia L Chief Legal Officer & Corp SecSell$481.71K
Aug 21, 2026Tregillis Cynthia L Chief Legal Officer & Corp SecSell$112.16K
Aug 24, 2026Tregillis Cynthia L Chief Legal Officer & Corp SecSell$305.18K
Aug 11, 2026Tan Irving Chief Executive OfficerSell$437.35K

Insider Transactions Trends


DateBuySell
2026 Q3-44
2026 Q2-79
2026 Q1-64
2025 Q4-32
2025 Q3-9

WDC Ownership FAQ


Who owns the most shares of Western Digital?

Western Digital’s largest shareholders are Vanguard group (42.35M shares, 12.28%), Blackrock funding, inc. /de (32.95M shares, 9.55%), and Blackrock (28.09M shares, 8.62%). Together, they hold 30.44% 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?

Jat capital mgmt lp is Western Digital’s biggest shareholder by percentage of total assets invested, with 28.97% of its assets in 21.5K Western Digital shares, valued at 13.73M$.

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 3.18% of its total shares outstanding invested in 10.94M Western Digital shares.

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