DECK vs ILMN Comparison

Founded in 1973, California-based Deckers designs and sells casual and performance footwear, apparel, and accessories. In fiscal 2025, Ugg and Hoka accounted for 51% and 45% of total sales, respectively. The firm also markets niche brands Teva and Ahnu. Deckers produces most of its sales through wholesale partnerships but also operates e-commerce in more than 50 countries and has nearly 200 company-operated stores. It generated 64% of its fiscal 2025 sales in the United States.

Illumina provides tools and services to analyze genetic material with life science and clinical lab applications. The company generates over 90% of its revenue from sequencing instruments, consumables, and services. Illumina's high-throughput technology enables whole genome sequencing in humans and other large organisms. Its lower throughput tools enable applications that require smaller data outputs, such as viral and cancer tumor screening. Illumina also sells microarrays (9% of 2024 sales) that enable lower-cost, focused genetic screening with primarily consumer and agricultural applications.