Western Digital Ownership | Who Owns Western Digital?
Western Digital Ownership Summary
Western Digital is owned by 105.02% institutional investors, 0.75% insiders. 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 3.16% of its assets in Western Digital shares.
WDC Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Western Digital | 105.02% | 0.75% | -5.77% |
| Sector | Technology Stocks | 143.99% | 12.56% | -56.55% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Vanguard group | 42.46M | 12.34% | $2.53B |
| Blackrock funding, inc. /de | 35.00M | 10.09% | $2.24B |
| Blackrock | 28.09M | 8.62% | $2.13B |
| Fmr | 23.57M | 6.85% | $1.41B |
| Jpmorgan chase | 23.39M | 6.80% | $1.39B |
| State street | 13.15M | 4.03% | $996.30M |
| Morgan stanley | 9.88M | 3.03% | $748.46M |
| Fil | 10.43M | 3.00% | $667.10M |
| Price t rowe associates inc /md/ | 9.03M | 2.63% | $538.69M |
| Geode capital management | 8.75M | 2.54% | $520.45M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Maple rock capital partners | 3.74M | 11.71% | $239.02M |
| Cavalry management group | 9.18K | 9.61% | $695.87K |
| Collaborative management lp | 49.00K | 7.54% | $3.71M |
| Aigh capital management | 300.00K | 7.08% | $22.73M |
| Highland peak capital | 211.85K | 6.92% | $12.63M |
| Slate path capital lp | 6.04M | 6.66% | $386.38M |
| Atalan capital partners, lp | 1.05M | 6.23% | $62.61M |
| Mangrove partners | 824.26K | 5.66% | $52.74M |
| Avala global lp | 1.42M | 5.29% | $84.93M |
| Alta park capital, lp | 663.75K | 4.82% | $42.47M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Wcm investment management | 6.78M | 1.65% | 6.78M |
| Norges bank | 5.91M | 0.05% | 5.91M |
| Morgan stanley | 9.88M | 0.06% | 5.14M |
| Jpmorgan chase | 23.39M | 0.10% | 5.12M |
| Blackrock funding, inc. /de | 35.00M | 0.04% | 4.95M |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Alyeska investment group | 907.90K | 0.20% | -4.12M |
| Price t rowe associates inc /md/ | 9.03M | 0.06% | -2.91M |
| Dnb asset management as | 7.73M | 2.00% | -2.88M |
| 59 north capital management, lp | - | - | -2.54M |
| Nuveen asset management | 984.64K | 0.02% | -2.35M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Wcm investment management | 6.78M | 1.65% | 6.78M | $791.32M |
| Norges bank | 5.91M | 0.05% | 5.91M | $352.57M |
| Atalan capital partners, lp | 1.05M | 6.23% | 1.05M | $62.61M |
| Capitolis liquid global markets | 1.00M | 0.47% | 1.00M | $63.99M |
| Mangrove partners | 824.26K | 5.66% | 824.26K | $52.74M |
Sold Out
| Holder | Change |
|---|---|
| Synergy asset management | -1.00 |
| Mendota financial group | -1.00 |
| Hallmark capital management | -1.00 |
| Financial gravity asset management | -1.00 |
| Transamerica financial advisors | -1.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2025 | 809 | 11.74% | 364,416,435 | 3.93% | 105 | 1.02% | 474 | 27.08% | 198 | -4.81% |
| Mar 31, 2025 | 718 | -9.00% | 351,022,287 | 4.59% | 101 | 1.08% | 365 | -6.41% | 209 | -4.57% |
| Dec 31, 2024 | 716 | -7.13% | 315,459,710 | -0.63% | 91 | 1.08% | 352 | - | 201 | -22.39% |
| Sep 30, 2024 | 763 | -8.73% | 317,314,839 | -5.46% | 92 | 0.91% | 347 | -20.59% | 257 | 15.77% |
| Jun 30, 2024 | 831 | 8.91% | 335,512,945 | 12.52% | 102 | 1.23% | 432 | 11.34% | 222 | 11.00% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 10.98M | 3.16% | -256.79K |
| Vanguard US Total Market Shares ETF | 10.91M | 3.14% | 590.49K |
| Vanguard Institutional 500 Index Trust | 9.90M | 2.84% | 72.25K |
| Vanguard 500 Index Investor | 8.64M | 2.49% | -1.27M |
| Fidelity Select Semiconductors | 8.23M | 2.37% | -1.10M |
| Vanguard Mid Cap Index Institutional | 7.78M | 2.24% | 83.87K |
| Fidelity Global Technology A-Dis-EUR | 5.00M | 1.44% | -4.34M |
| Columbia Seligman Tech & Info A | 4.89M | 1.41% | - |
| Columbia Seligman Technology Growth | 4.89M | 1.40% | 111.80K |
| Fidelity 500 Index | 4.42M | 1.27% | 1.89K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Nov 05, 2025 | Cole Martin I | - | Sell | $65.79K |
| Nov 05, 2025 | Cole Martin I | - | Sell | $131.63K |
| Nov 05, 2025 | Cole Martin I | - | Sell | $22.03K |
| Nov 05, 2025 | Cole Martin I | - | Sell | $34.42K |
| Nov 05, 2025 | Cole Martin I | - | Sell | $87.70K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q4 | - | 17 |
| 2025 Q3 | - | 9 |
| 2025 Q2 | - | 3 |
| 2025 Q1 | - | 2 |
| 2024 Q4 | - | 6 |
WDC Ownership FAQ
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