WESTERN DIGITAL CORP (WDC)

Western Digital, founded in 1970 and headquartered in San Jose, California, is a leading developer, manufacturer, and provider of data storage devices and solutions based on hard disk drive (HDD) technology, selling products under the Western Digital and WD brands. The company designs and manufactures substantially all of the recording heads and magnetic media used in its HDD products, positioning itself as an industry leader in innovations that drive higher areal density and performance, supported by a multi-year product roadmap featuring technologies such as ePMR, OptiNAND, UltraSMR, heat-assisted magnetic recording (HAMR), and triple stage actuators. Its business is organized around three end markets: Cloud, its largest and fastest-growing segment, serving hyperscale cloud service providers, neoclouds, and enterprise customers with high-capacity enterprise HDDs for data centers, tiered storage systems, and smart video applications; Client, providing OEM and channel customers with high-performance HDD solutions for desktops and notebooks; and Consumer, offering external storage products through global retail and channel partners.

Customers include hyperscale cloud providers, computer manufacturers and OEMs, resellers, distributors, and retailers worldwide, with international sales representing 60% of net revenue in 2026; for that year, three customers accounted for 16%, 15%, and 13% of net revenue, respectively. The company operates vertically integrated manufacturing, assembly, and test facilities concentrated in Thailand, Malaysia, the Philippines, China, and California, and competes primarily against Seagate Technology Holdings plc and Toshiba Electronic Devices & Storage Corporation, as well as NAND flash suppliers and storage systems providers. Western Digital holds approximately 4,700 active patents supporting its intellectual property portfolio in magnetic recording and related technologies, and employs approximately 40,000 people globally across 24 countries, with the majority of its workforce based in Asia Pacific.

The company positions itself as a foundational technology provider for the AI-driven data economy, emphasizing cost-effective, high-capacity, and reliable storage solutions across cloud, enterprise, edge, and consumer markets, while integrating sustainability initiatives around energy efficiency, emissions reduction, and responsible business practices into its overall strategy.