Western Digital Ownership | Who Owns Western Digital?
Western Digital Ownership Summary
Western Digital is owned by 90.98% institutional investors, 0.56% insiders, and 8.47% 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
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Western Digital | 90.98% | 0.56% | 8.47% |
| Sector | Technology Stocks | 35.99% | 15.18% | 48.83% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Vanguard group | 42.35M | 12.28% | $7.30B |
| Blackrock funding, inc. /de | 35.77M | 10.37% | $9.68B |
| Fmr | 31.62M | 9.17% | $8.55B |
| Blackrock | 28.09M | 8.62% | $2.13B |
| Jpmorgan chase | 17.51M | 5.08% | $4.41B |
| State street | 15.47M | 4.48% | $4.18B |
| Capital world investors | 11.88M | 3.44% | $3.21B |
| Geode capital management | 9.48M | 2.75% | $2.56B |
| Morgan stanley | 7.94M | 2.30% | $2.15B |
| Wcm investment management | 6.56M | 1.90% | $1.65B |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Central asset investments & management (hk) | 73.56K | 18.50% | $19.90M |
| Maple rock capital partners | 1.40M | 12.32% | $378.80M |
| Amanah trust | 315.00K | 11.82% | $201.20M |
| Cavalry management group | 9.18K | 9.61% | $695.87K |
| Talos eurisko asset management lp | 173.79K | 8.03% | $47.01M |
| October effect | 12.58K | 7.56% | $8.04M |
| Collaborative management lp | 49.00K | 7.54% | $3.71M |
| Aigh capital management | 300.00K | 7.08% | $22.73M |
| Trivest advisors | 345.00K | 6.72% | $93.32M |
| Rivermont capital management lp | 115.67K | 6.59% | $31.29M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Capital world investors | 11.88M | 0.44% | 10.82M |
| Norges bank | 4.58M | 0.08% | 4.58M |
| Capital research global investors | 3.31M | 0.14% | 3.31M |
| Jpmorgan chase | 17.51M | 0.28% | 3.22M |
| Vanguard fiduciary trust | 1.91M | 0.13% | 1.91M |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Impactive capital lp | - | - | -3.57M |
| D. e. shaw | 2.69M | 0.44% | -3.01M |
| Ameriprise financial | 5.76M | 0.36% | -2.76M |
| 59 north capital management, lp | - | - | -2.54M |
| Nuveen asset management | 984.64K | 0.02% | -2.35M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 4.58M | 0.08% | 4.58M | $788.73M |
| Capital research global investors | 3.31M | 0.14% | 3.31M | $895.13M |
| Vanguard fiduciary trust | 1.91M | 0.13% | 1.91M | $516.18M |
| Vanguard global advisers | 745.16K | 0.11% | 745.16K | $201.56M |
| Vanguard asset management | 588.39K | 0.14% | 588.39K | $159.15M |
Sold Out
| Holder | Change |
|---|---|
| Cgc financial services | -1.00 |
| Pinpoint asset management (singapore) pte. | -1.00 |
| Mendota financial group | -1.00 |
| Financial gravity asset management | -1.00 |
| Luken investment analytics | -2.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2026 | 1,457 | 16.75% | 313,876,883 | -6.01% | 90 | 0.97% | 780 | 9.70% | 483 | 33.43% |
| Dec 31, 2025 | 516 | -50.43% | 84,335,486 | -75.60% | 24 | 0.25% | 313 | -51.25% | 138 | -42.50% |
| 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% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 10.94M | 3.18% | 153.10K |
| 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 | 8.96M | 2.60% | 79.67K |
| Invesco QQQ Trust | 7.32M | 2.12% | -57.20K |
| Fidelity Global Technology A-Dis-EUR | 5.00M | 1.44% | -4.34M |
| iShares Core S&P 500 ETF | 4.76M | 1.38% | 15.00K |
| American Funds Fundamental Invs A | 4.44M | 1.29% | 1.35M |
| Capital Group Fundamental Invtrs Comp | 4.44M | 1.29% | 1.35M |
| Fidelity 500 Index | 4.34M | 1.26% | -6.04K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Jul 28, 2026 | Cole Martin I | - | Sell | $73.97K |
| Jul 28, 2026 | Cole Martin I | - | Sell | $14.88K |
| Jul 28, 2026 | Cole Martin I | - | Sell | $27.14K |
| Jul 28, 2026 | Cole Martin I | - | Sell | $13.61K |
| Jul 28, 2026 | Cole Martin I | - | Sell | $27.29K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q3 | - | 33 |
| 2026 Q2 | - | 79 |
| 2026 Q1 | - | 64 |
| 2025 Q4 | - | 32 |
| 2025 Q3 | - | 9 |
WDC Ownership FAQ
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