Western Digital Corporation (WDC) ownership: Top institutional holder: BlackRock, Inc. ($9.68B). Insider activity: Net Seller (5 buys, 15 sells). 5 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 35769222.00 | $9.68B | 2026-03-31 |
| FMR LLC | 31623418.00 | $8.55B | 2026-03-31 |
| VANGUARD GROUP INC | 42348660.00 | $7.30B | 2025-12-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 22034861.00 | $5.96B | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 17172653.00 | $4.65B | 2026-03-31 |
| JPMORGAN CHASE & CO | 17512148.00 | $4.41B | 2026-03-31 |
| STATE STREET CORP | 15465766.00 | $4.18B | 2026-03-31 |
| Capital World Investors | 11880038.00 | $3.21B | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-05-28 | |
| Sell | null | 2026-05-27 | |
| Sell | null | 2026-05-26 | |
| Sell | null | 2026-05-25 | |
| Buy | null | 2026-05-25 | |
| Sell | null | 2026-05-25 | |
| Sell | null | 2026-05-25 | |
| Sell | null | 2026-05-25 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.