Costco Wholesale Corporation (COST) vs Micron Technology, Inc. (MU)

Founded in 1983, Costco Wholesale Corp operates a global network of membership-only warehouse clubs focused on offering high-quality products and services at consistently low prices. In its latest fiscal year, the company ran approximately 910 warehouses and served more than 80 million members across three geographic segments: Costco U.S., which generated about 73% of total revenue, Costco Canada at 13%, and Costco International at 14%. Costco’s core value proposition—quality merchandise at highly competitive prices—has supported strong membership renewal rates, reaching 93% in the U.S. and Canada and nearly 90% internationally. Roughly 55% of fiscal 2025 revenue came from grocery sales, while general merchandise contributed another 25%.

Micron Technology is one of the world’s largest semiconductor companies, focused on memory and storage chips. Its main source of revenue comes from dynamic random access memory (DRAM), while it also maintains smaller exposure to NAND flash memory. Micron serves a global customer base, supplying chips for data centers, mobile devices, consumer electronics, as well as industrial and automotive applications. The company operates as a vertically integrated business.