Western Digital Corp
WDC- Exchange
- Nasdaq
- Industry
- Computer Storage Devices
- SEC CIK
- 0000106040
In the last 90 days, Western Digital Corp insiders filed 0 open-market purchases and 7 sales; 1,856 institutions reported holding it in 13F filings for Q2 2026, worth $206.3B in total; Maverick Capital is the only superinvestor holding it.
Key figures
- Market capClose on Nov 10, 2026
- $108.3B
- Insider buysOpen market, last 90 days
- 0
- Insider sellsLast 90 days, $6.54M in total
- 7
- 13F holdersQ2 2026, +444 vs. previous quarter
- 1,856
- 13F valueReported value at the end of Q2 2026
- $206.3B
- Superinvestors holdingAt the end of Q2 2026
- 1
Price chart
Financials
See financial statementsFrom SEC filings, in USD.
- Revenue, FY2026
- $12.9B
- +35.7% year over year
- Net income, FY2026
- $9.42B
- +398.9% year over year
- Free cash flow, FY2026
- $3.51B
- +174.5% year over year
- Revenue, Q1 FY2027
- $4.38B
- +55.5% year over year
Revenue flow, FY2026
Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.
Short interest
See short dataFrom FINRA, settlement date Oct 30, 2026.
- Short interest
- 19.4M
- Shares sold short
- Change
- −73.2K
- −0.4% vs. previous
- Days to cover
- 2.14
- At average daily volume
Superinvestors holding WDC, Q2 2026
Go to the superinvestors tab1 superinvestor reports holding Western Digital Corp on Form 13F. Percentages are the stock's share of each portfolio.
Latest insider trades
See all insider tradesOpen-market purchases and sales by Western Digital Corp insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Oct 30, 2026 (view filing)6:19 PM ET | Oct 29 | 1 day | Cole Martin IDirector | SSale | −4.00K | $395.47 | −$1.58M | −18.7%17.4K after | 12 lots10b5-1 |
| Oct 22, 2026 (view filing)5:57 PM ET | Oct 21 | 1 day | Tregillis Cynthia LChief Legal Officer & Corp Sec | SSale | −807 | $380.00 | −$306.7K | −0.7%108.9K after | 10b5-1 |
| Sep 8, 2026 (view filing)8:13 PM ET | Sep 4 | 4 days | Tregillis Cynthia LChief Legal Officer & Corp Sec | SSale | −432 | $451.20 | −$194.9K | −0.4%111.0K after | 10b5-1 |
| Sep 8, 2026 (view filing)8:13 PM ET | Sep 4 | 4 days | Gubbi Vidyadhara KChief of Global Operations | SSale | −1.79K | $459.87 | −$825.5K | −2.2%80.6K after | |
| Sep 2, 2026 (view filing)6:03 PM ET | Aug 31-Sep 1 | 2 days | Streeter Stephanie ADirector | SSale | −5.60K | $449.87 | −$2.52M | −13.9%34.8K after | 3 lots |
| Aug 27, 2026 (view filing)8:05 PM ET | Aug 26-27 | 1 day | Tregillis Cynthia LChief Legal Officer & Corp Sec | SSale | −1.48K | $469.51 | −$696.3K | −1.3%112.2K after | 2 lots10b5-1 |
| Aug 24, 2026 (view filing)7:00 PM ET | Aug 21-24 | 3 days | Tregillis Cynthia LChief Legal Officer & Corp Sec | SSale | −919 | $454.12 | −$417.3K | −0.8%112.1K after | 2 lots10b5-1 |
| Aug 12, 2026 (view filing)9:24 PM ET | Aug 11 | 1 day | Tan IrvingChief Executive Officer | SSale | −20.0K | $444.97 | −$8.90M | −3.4%576.0K after | 7 lots10b5-1 |
| Jul 29, 2026 (view filing)7:32 PM ET | Jul 28 | 1 day | Cole Martin IDirector | SSale | −192 | $462.77 | −$88.9K | −0.9%21.4K after | 2 lots10b5-1 |
| Jul 29, 2026 (view filing)7:31 PM ET | Jul 28 | 1 day | Cole Martin IDirector | SSale | −3.81K | $448.66 | −$1.71M | −15.0%21.6K after | 30 lots10b5-1 |
Top 10 13F holders, Q2 2026
See all 1,856 holdersThe largest institutional positions in Western Digital Corp at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 32,953,613 | $21.0B | 0.31% | −2,815,609−7.9% | Reduced |
| FMR LLC | 25,983,645 | $16.6B | 0.72% | −5,639,773−17.8% | Reduced |
| Vanguard Capital Management LLC | 22,510,811 | $14.4B | 0.31% | +475,950+2.2% | Added |
| JPMorgan Chase & Co | 17,007,789 | $11.1B | 0.65% | −504,359−2.9% | Reduced |
| Capital World Investors | 16,598,211 | $10.6B | 1.25% | +4,718,173+39.7% | Added |
| State Street Corp | 16,276,615 | $10.4B | 0.31% | +810,849+5.2% | Added |
| Invesco Ltd. | 14,435,741 | $9.22B | 0.73% | +1,789,320+14.1% | Added |
| Vanguard Portfolio Management LLC | 13,109,474 | $8.37B | 0.38% | −4,063,179−23.7% | Reduced |
| Geode Capital Management, LLC | 8,411,628 | $5.35B | 0.29% | −1,065,573−11.2% | Reduced |
| Morgan Stanley | 8,148,144 | $5.20B | 0.28% | +209,038+2.6% | Added |
Holders of 5% or more of WDC
See all 3 holders and filingsHolders whose latest Schedule 13D or 13G filing reports 5% or more of Western Digital Corp.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| FMR LLC | 13G/A | 9.20%31.6M shares | +2.00 ppfrom 7.20% | Nov 12, 20248 filings | Nov 5, 2026 | SEC |
| Vanguard Capital Management LLC | 13G | 7.49%25.4M shares | New | Apr 30, 20261 filing | Apr 30, 2026 | SEC |
| JPMorgan Chase & Co | 13G/A | 5.30%18.5M shares | −1.40 ppfrom 6.70% | Oct 15, 20243 filings | Apr 22, 2025 | SEC |
Politician trades
All politician trades in WDC9 members of Congress reported 18 trades in Western Digital Corp since 2020. Newest filings:
| Filed | Politician | Type | Amount |
|---|---|---|---|
| Nov 6, 2026 |  John J. McGuire III House · VA | Sell | $1K-$15K |
| Oct 12, 2026 |  Gilbert Ray Cisneros, Jr. House · CA | Sell | $1K-$15K |
| Sep 4, 2026 | Gilbert Ray Cisneros, Jr. House · CA | Buy | $1K-$15K |
| Jul 21, 2026 |  Alan Armstrong Senate · OK | Buy | $1K-$15K |
| Jun 22, 2025 |  Jefferson Shreve House · IN | Sell | $15K-$50K |
House · VA · Nov 6, 2026
Sell$1K-$15K
House · CA · Oct 12, 2026
Sell$1K-$15K
House · CA · Sep 4, 2026
Buy$1K-$15K
Senate · OK · Jul 21, 2026
Buy$1K-$15K
House · IN · Jun 22, 2025
Sell$15K-$50K