Western Digital Ownership | Who Owns Western Digital?
Western Digital Ownership Summary
Western Digital is owned by 24.45% institutional investors, 0.55% insiders, and 75.01% 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 3.17% of its assets in Western Digital shares.
WDC Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Western Digital | 24.45% | 0.55% | 75.01% |
| Sector | Technology Stocks | 35.23% | 13.13% | 51.64% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Vanguard group | 42.35M | 12.28% | $7.30B |
| Blackrock funding, inc. /de | 35.51M | 10.29% | $6.12B |
| Blackrock | 28.09M | 8.62% | $2.13B |
| Fmr | 23.76M | 6.83% | $2.85B |
| State street | 15.46M | 4.44% | $1.86B |
| Jpmorgan chase | 14.30M | 4.14% | $2.46B |
| Geode capital management | 9.28M | 2.69% | $1.59B |
| Morgan stanley | 8.94M | 2.59% | $1.54B |
| Ameriprise financial | 8.68M | 2.50% | $1.04T |
| Wcm investment management | 6.69M | 1.94% | $1.18B |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Central asset investments & management (hk) | 133.75K | 14.98% | $23.04M |
| 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 |
| Trivest advisors | 875.00K | 6.88% | $150.74M |
| Wolf hill capital management, lp | 612.66K | 6.74% | $73.56M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Norges bank | 4.58M | 0.08% | 4.58M |
| Fred alger management | 3.41M | 1.59% | 3.34M |
| Jpmorgan chase | 14.30M | 0.15% | 2.28M |
| Goldman sachs group | 4.56M | 0.10% | 2.05M |
| Nuveen | 4.56M | 0.21% | 2.01M |
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 |
| Impactive capital lp | - | - | -3.57M |
| Holocene advisors, lp | 2.27M | 0.62% | -3.27M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 4.58M | 0.08% | 4.58M | $788.73M |
| Polar capital | 1.85M | 1.07% | 1.85M | $221.80M |
| Capital world investors | 1.06M | 0.02% | 1.06M | $183.23M |
| Voloridge investment management | 694.80K | 0.28% | 694.80K | $83.42M |
| Samlyn capital | 393.63K | 0.65% | 393.63K | $47.26M |
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 |
| Cgc financial services | -1.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| 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% |
| Dec 31, 2024 | 716 | -7.13% | 315,459,710 | -0.63% | 91 | 1.08% | 352 | - | 201 | -22.39% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 10.76M | 3.17% | 23.23K |
| 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 | 8.71M | 2.57% | 54.46K |
| Vanguard Mid Cap Index Institutional | 7.41M | 2.18% | -38.59K |
| Invesco QQQ Trust | 7.32M | 2.16% | -16.21K |
| Fidelity Global Technology A-Dis-EUR | 5.00M | 1.44% | -4.34M |
| Fidelity Select Semiconductors | 4.69M | 1.38% | 712.30K |
| iShares Core S&P 500 ETF | 4.35M | 1.28% | 4.35M |
| Fidelity 500 Index | 4.32M | 1.28% | -57.51K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Mar 04, 2026 | Tregillis Cynthia L | Chief Legal Officer & Corp Sec | Sell | $2.30M |
| Mar 04, 2026 | Tregillis Cynthia L | Chief Legal Officer & Corp Sec | Sell | $200.40K |
| Mar 04, 2026 | Gubbi Vidyadhara K | Chief of Global Operations | Sell | $1.94M |
| Mar 04, 2026 | Gubbi Vidyadhara K | Chief of Global Operations | Sell | $801.43K |
| Mar 02, 2026 | Cole Martin I | - | Sell | $170.44K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q1 | - | 63 |
| 2025 Q4 | - | 32 |
| 2025 Q3 | - | 9 |
| 2025 Q2 | - | 3 |
| 2025 Q1 | - | 2 |
WDC Ownership FAQ
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