Who owns WESTERN DIGITAL CORP?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of WDC from SEC Form 13F filings across 1,841 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 1,841 institutions disclosed 323.2M shares of WESTERN DIGITAL CORP worth $206.23B — about 93.7% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
1,841
13F holders
$206.23B
value, 2026 filers
93.7%
of shares outstanding (323.2M sh)
554
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of WDC's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 33.0M | $21.05B | 0.3% | 9.6% | -7.9% |
| 2 | FMR LLC | 26.0M | $16.60B | 0.7% | 7.5% | -17.8% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 22.5M | $14.38B | 0.3% | 6.5% | +2.2% |
| 4 | JPMORGAN CHASE & CO | 17.0M | $11.09B | 0.6% | 4.9% | -2.9% |
| 5 | Capital World Investors | 16.6M | $10.60B | 1.3% | 4.8% | +39.7% |
| 6 | STATE STREET CORP | 16.3M | $10.40B | 0.3% | 4.7% | +5.2% |
| 7 | Invesco Ltd. | 14.4M | $9.22B | 0.7% | 4.2% | +161.0% |
| 8 | VANGUARD PORTFOLIO MANAGEMENT LLC | 13.1M | $8.37B | 0.4% | 3.8% | -23.7% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 8.4M | $5.35B | 0.3% | 2.4% | -11.2% |
| 10 | MORGAN STANLEY | 8.1M | $5.20B | 0.3% | 2.4% | +2.6% |
| 11 | BANK OF AMERICA CORP /DE/ | 6.5M | $4.15B | 0.3% | 1.9% | -23.6% |
| 12 | GOLDMAN SACHS GROUP INC | 5.2M | $3.31B | 0.3% | 1.5% | -4.2% |
| 13 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 4.7M | $3.03B | 0.6% | 1.4% | +63.4% |
| 14 | NORGES BANKNEW | 4.6M | $2.96B | 0.3% | 1.3% | new |
| 15 | Nuveen, LLC | 3.8M | $2.44B | 0.6% | 1.1% | +29.1% |
| 16 | NORTHERN TRUST CORP | 3.7M | $2.34B | 0.3% | 1.1% | +1.6% |
| 17 | AMERIPRISE FINANCIAL INC | 3.4M | $2.16B | 0.4% | 1% | -41.2% |
| 18 | AQR CAPITAL MANAGEMENT LLC | 2.9M | $1.88B | 0.7% | 0.9% | -15.0% |
| 19 | Bank of New York Mellon Corp | 2.9M | $1.86B | 0.3% | 0.8% | +16.3% |
| 20 | Capital Research Global Investors | 2.8M | $1.80B | 0.3% | 0.8% | -14.9% |
| 21 | Legal & General Group Plc | 2.5M | $1.60B | 0.3% | 0.7% | +17.9% |
| 22 | DIMENSIONAL FUND ADVISORS LP | 2.4M | $1.56B | 0.3% | 0.7% | -2.2% |
| 23 | FRED ALGER MANAGEMENT, LLC | 2.2M | $1.41B | 4.7% | 0.6% | -17.1% |
| 24 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 2.1M | $1.36B | 0.2% | 0.6% | -3.4% |
| 25 | PRICE T ROWE ASSOCIATES INC /MD/ | 2.1M | $1.33B | 0.1% | 0.6% | -21.6% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.