Illumina, Inc. fell 18.6% on Friday, October 30, 2026, on 5,389,800 shares. Headlines around the move:
Illumina, Inc. (ILMN:NASDAQ) closed at $226.54 on November 4, 2026, down 4.90% on the day. The stock trades 26.8% below its 52-week high of $309.35 and 101.1% above its 52-week low of $112.65. Over the past year, it gained 85.0%. Illumina, Inc. is part of the Capital Goods sector (Biotechnology: Laboratory Analytical Instruments).
In 252 trading sessions since November 4, 2025, ILMN closed higher on 132 days (52%). Its best day was August 19, 2026 (+8.87%) and its worst was October 30, 2026 (-18.64%). The stock moved 10% or more in a single session 2 times.
Illumina, Inc. provides sequencing and array-based solutions for genetic analysis. The company's sequencing by synthesis technology provides researchers with various applications and the ability to sequence mammalian genomes. It also offers arrays for a range of deoxyribonucleic acid and RNA analysis applications, including single nucleotide polymorphism genotyping, copy number variations analysis, gene expression analysis, and methylation analysis, as well as allow for the detection of known genetic markers on a single array. In addition, the company provides various library preparation and sequencing kits to simplify workflows and accelerate analysis; and genome sequencing, genotyping, and non-invasive prenatal testing services. It serves genomic research centers, academic institutions, government laboratories, and hospitals, as well as pharmaceutical, biotechnology, agrigenomics, commercial molecular diagnostic laboratories, and consumer genomics companies. The company markets and distributes its products directly to customers in North America, Europe, Latin America, and the Asia-Pacific region, as well as through life-science distributors. It has collaboration agreements with I...
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