Western Digital Ownership | Who Owns Western Digital?
Western Digital Ownership Summary
Western Digital is owned by 25.84% institutional investors, 0.55% insiders, and 73.61% retail investors. Vanguard group is the largest institutional shareholder, holding 12.44% 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 | 25.84% | 0.55% | 73.61% |
| Sector | Technology Stocks | 50.69% | 12.56% | 36.75% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Vanguard group | 43.28M | 12.44% | $5.20B |
| Blackrock funding, inc. /de | 34.71M | 9.98% | $4.17B |
| Blackrock | 28.09M | 8.62% | $2.13B |
| Fmr | 23.76M | 6.83% | $2.85B |
| State street | 15.46M | 4.44% | $1.86B |
| Jpmorgan chase | 12.02M | 3.45% | $1.44B |
| Geode capital management | 9.41M | 2.71% | $1.13B |
| Ameriprise financial | 8.68M | 2.50% | $1.04T |
| Morgan stanley | 8.40M | 2.41% | $1.01B |
| Ubs group | 7.33M | 2.11% | $880.04M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Maple rock capital partners | 2.59M | 12.27% | $310.87M |
| Talos eurisko asset management lp | 448.07K | 10.35% | $53.80M |
| Cavalry management group | 9.18K | 9.61% | $695.87K |
| Atalan capital partners, lp | 1.11M | 9.31% | $133.36M |
| Collaborative management lp | 49.00K | 7.54% | $3.71M |
| Rivermont capital management lp | 225.54K | 7.15% | $27.08M |
| Aigh capital management | 300.00K | 7.08% | $22.73M |
| Seatown pte. | 100.00K | 6.92% | $12.01M |
| Wolf hill capital management, lp | 612.66K | 6.74% | $73.56M |
| Highland peak capital | 157.25K | 6.20% | $18.88M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Wcm investment management | 6.78M | 1.65% | 6.78M |
| Norges bank | 5.91M | 0.05% | 5.91M |
| Fred alger management | 3.41M | 1.59% | 3.34M |
| Polar capital | 1.85M | 1.07% | 1.85M |
| Balyasny asset management | 3.99M | 0.38% | 1.75M |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Fil | 850.94K | 0.08% | -9.57M |
| Fmr | 23.76M | 0.15% | -8.50M |
| Slate path capital lp | 1.42M | 2.63% | -4.62M |
| Ubs group | 7.33M | 0.14% | -4.10M |
| Dnb asset management as | 918.46K | 0.41% | -3.92M |
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 |
| Polar capital | 1.85M | 1.07% | 1.85M | $221.80M |
| Voloridge investment management | 694.80K | 0.28% | 694.80K | $83.42M |
| Wt asset management | 499.30K | 2.77% | 499.30K | $59.95M |
Sold Out
| Holder | Change |
|---|---|
| Mendota financial group | -1.00 |
| Synergy asset management | -1.00 |
| Hallmark capital management | -1.00 |
| Financial gravity asset management | -1.00 |
| Cgc financial services | -1.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 30, 2025 | 492 | -38.96% | 89,935,211 | -73.76% | 25 | 0.26% | 323 | -32.29% | 99 | -49.75% |
| 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% |
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 |
|---|---|---|---|---|
| Dec 02, 2025 | Tregillis Cynthia L | Chief Legal Officer & Corp Sec | Sell | $449.75K |
| Dec 01, 2025 | Cole Martin I | - | Sell | $95.93K |
| Dec 01, 2025 | Cole Martin I | - | Sell | $79.49K |
| Dec 01, 2025 | Cole Martin I | - | Sell | $15.75K |
| Dec 01, 2025 | Cole Martin I | - | Sell | $145.05K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q4 | - | 28 |
| 2025 Q3 | - | 9 |
| 2025 Q2 | - | 3 |
| 2025 Q1 | - | 2 |
| 2024 Q4 | - | 6 |
WDC Ownership FAQ
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