Western Digital (WDC)
Builds high-capacity hard drives for cloud infrastructure, enterprise systems, PCs, and consumer storage.
$463.00
After hours−1.61 (−0.35%)
At close$464.61(+3.67%)
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13F · 13D/G · Form 4
| Institutions | 94.37% | 325.28M shares | |
|---|---|---|---|
| 1,958 holders · as of Jun 30, 2026 | |||
| Insiders | 0.85% | 2.92M shares | |
| 22 holders · as of Sep 21, 2026 | |||
| Other | 4.78% | 16.48M shares | |
| remainder | |||
344.68M company shares as of Aug 21, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
13F, as of Jun 30, 2026
1,958 holders · 325.28M shares · 539 new positions · 1,135 increased · 611 reduced · 103 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 32.95M | 9.56% | −2.82M | Aug 7, 2026 |
| FMR LLC | 25.98M | 7.54% | −5.64M | Aug 13, 2026 |
| Vanguard Capital Management LLC | 22.51M | 6.53% | +476.0K | Aug 13, 2026 |
| JPMorgan Chase & Co | 17.01M | 4.93% | −504.4K | Aug 12, 2026 |
| Capital World Investors | 16.60M | 4.82% | +4.72M | Aug 12, 2026 |
| State Street Corp | 16.28M | 4.72% | +810.8K | Aug 7, 2026 |
| Invesco Ltd. | 14.44M | 4.19% | +7.32M | Aug 14, 2026 |
| Vanguard Portfolio Management LLC | 13.11M | 3.80% | −4.06M | Aug 13, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| FMR LLC | 10.10% | 34.47M | 13G | Jan 8, 2026 |
| Vanguard Capital Management | 7.49% | 25.40M | 13G | Apr 30, 2026 |
| JPMorgan Chase & Co. | 5.30% | 18.50M | 13G | Apr 22, 2025 |
| Vanguard Portfolio Management | 5.07% | 17.22M | 13G | Apr 29, 2026 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Sep 4, 2026 | Vidyadhara K. Gubbiofficer: Chief of Global Operations | Sale | 1,795 | $459.87 | 80,571 |
| Sep 4, 2026 | Cynthia L. Tregillisofficer: Chief Legal Officer & Corp Sec | Sale | 432 | $451.20 | 111,030 |
| Sep 1, 2026 | Stephanie A. Streeterdirector | Sale | 1,600 | $455.00 | 34,807 |
| Aug 31, 2026 | Stephanie A. Streeterdirector | Sale · 2 lots | 4,000 | $447.82 | 36,407 |
| Aug 27, 2026 | Cynthia L. Tregillisofficer: Chief Legal Officer & Corp Sec | Sale | 1,007 | $478.36 | 112,155 |
| Aug 26, 2026 | Cynthia L. Tregillisofficer: Chief Legal Officer & Corp Sec | Sale | 476 | $450.78 | 114,784 |
| Aug 24, 2026 | Cynthia L. Tregillisofficer: Chief Legal Officer & Corp Sec | Sale | 684 | $446.17 | 112,146 |
| Aug 21, 2026 | Cynthia L. Tregillisofficer: Chief Legal Officer & Corp Sec | Sale | 235 | $477.27 | 113,928 |
| Aug 11, 2026 | Irving Tandirector, officer: Chief Executive Officer | Sale · 7 lots | 20,000 | $444.97 | 575,966 |
| Jul 28, 2026 | Martin I. Coledirector | Sale · 32 lots | 4,000 | $449.34 | 21,433 |
House and Senate disclosures
| Member | Type | Amount | Owner | Traded | Disclosed |
|---|---|---|---|---|---|
| Rep. Gilbert Ray Cisneros · CA31 | Purchase | $1,001 – $15,000 | Jul 17, 2026 | Sep 7, 2026 | |
| Rep. Gilbert Cisneros · CA31 | Purchase | $1,001 – $15,000 | Jul 17, 2026 | Sep 7, 2026 | |
| Rep. Gilbert Ray Cisneros · CA31 | Purchase | $1,001 – $15,000 | Jul 16, 2026 | Sep 7, 2026 | |
| Rep. Ro Khanna · CA17 | Purchase | $1,001 – $15,000 | Spouse | Apr 13, 2026 | May 13, 2026 |