Western Digital Ownership | Who Owns Western Digital?
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
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Western Digital | 94.04% | 0.56% | 5.40% |
| Sector | Technology Stocks | 78.08% | 15.01% | 6.91% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Vanguard group | 42.35M | 12.28% | $7.30B |
| Blackrock funding, inc. /de | 32.95M | 9.55% | $21.05B |
| Blackrock | 28.09M | 8.62% | $2.13B |
| Fmr | 25.98M | 7.53% | $16.60B |
| Vanguard capital management | 22.51M | 6.52% | $14.38B |
| Jpmorgan chase | 17.01M | 4.93% | $11.09B |
| Capital world investors | 16.60M | 4.81% | $10.60B |
| State street | 16.28M | 4.72% | $10.40B |
| Invesco | 14.44M | 4.18% | $9.22B |
| Geode capital management | 8.41M | 2.44% | $5.35B |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Jat capital mgmt lp | 21.50K | 28.97% | $13.73M |
| Central asset investments & management (hk) | 94.39K | 23.86% | $60.29M |
| Trivest advisors | 982.60K | 19.73% | $627.61M |
| Maple rock capital partners | 1.36M | 17.01% | $867.28M |
| Keystone investors pte | 294.25K | 10.06% | $187.94M |
| Wt asset management | 784.21K | 9.91% | $500.89M |
| Cavalry management group | 9.18K | 9.61% | $695.87K |
| Alta park capital, lp | 136.24K | 7.97% | $87.02M |
| Collaborative management lp | 49.00K | 7.54% | $3.71M |
| S&t bank/pa | 36.96K | 7.08% | $23.61M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Invesco | 14.44M | 0.73% | 7.32M |
| Capital world investors | 16.60M | 1.25% | 4.72M |
| Norges bank | 4.63M | 0.29% | 4.63M |
| Sixth street partners management company | 2.13M | 0.18% | 2.13M |
| Ubs asset management americas | 4.74M | 0.55% | 1.84M |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Fmr | 25.98M | 0.72% | -5.64M |
| Wcm investment management | 1.63M | 1.93% | -4.93M |
| Impactive capital lp | - | - | -3.57M |
| Ubs group | 1.26M | 0.10% | -2.92M |
| Blackrock funding, inc. /de | 32.95M | 0.31% | -2.82M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 4.63M | 0.29% | 4.63M | $2.96B |
| Sixth street partners management company | 2.13M | 0.18% | 2.13M | $1.36B |
| Capital investors | 1.80M | 0.24% | 1.80M | $1.15B |
| Qube research | 915.93K | 0.54% | 915.93K | $585.02M |
| Aigh capital management | 300.00K | 7.08% | 300.00K | $22.73M |
Sold Out
| Holder | Change |
|---|---|
| Financial gravity asset management | -1.00 |
| Mendota financial group | -1.00 |
| Cgc financial services | -1.00 |
| Luken investment analytics | -2.00 |
| Noble wealth management pbc | -2.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2026 | 1,929 | 28.09% | 324,431,349 | -1.46% | 94 | 1.03% | 1,116 | 37.61% | 600 | 21.70% |
| 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% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 10.94M | 3.18% | 153.10K |
| Vanguard Morn Total Stk Mkt Idx Investor | 10.94M | 3.18% | 153.10K |
| Vanguard US Total Market Shares ETF | 10.91M | 3.14% | 590.49K |
| Vanguard MStar Total Stk Mkt Idx Invest | 10.95M | 3.04% | -22.08K |
| Vanguard Institutional 500 Index Trust | 9.90M | 2.84% | 72.25K |
| Vanguard 500 Index Investor | 9.47M | 2.53% | 312.94K |
| Invesco QQQ Trust | 7.53M | 2.09% | -12.28K |
| Fidelity Global Technology A-Dis-EUR | 5.00M | 1.44% | -4.34M |
| American Funds American Balanced A | 5.20M | 1.39% | 1.30M |
| American Funds Fundamental Invs A | 5.17M | 1.38% | 730.04K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Oct 21, 2026 | Tregillis Cynthia L | Chief Legal Officer & Corp Sec | Sell | $306.66K |
| Sep 04, 2026 | Tregillis Cynthia L | Chief Legal Officer & Corp Sec | Sell | $194.92K |
| Sep 04, 2026 | Gubbi Vidyadhara K | Chief of Global Operations | Sell | $825.47K |
| Aug 31, 2026 | STREETER STEPHANIE A | - | Sell | $894.12K |
| Aug 31, 2026 | STREETER STEPHANIE A | - | Sell | $897.16K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q4 | - | 1 |
| 2026 Q3 | - | 49 |
| 2026 Q2 | - | 79 |
| 2026 Q1 | - | 64 |
| 2025 Q4 | - | 32 |
WDC Ownership FAQ
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