Illumina, Inc. (Illumina) is a provider of sequencing- and array-based solutions for genetic analysis. The Company operates through two segments: Core Illumina and the consolidated variable interest entities (VIEs), which include the activities of GRAIL, Inc. (GRAIL) and Helix Holdings I, LLC (Helix). Core Illumina consists of its core operations. Core Illumina's products and services serve customers in the research, clinical and applied markets, and enable the adoption of a range of genomic solutions. The Company's portfolio of integrated systems, consumables and analysis tools addresses the range of genomic complexity, price points, and throughput, enabling customers to select the solution for their research or clinical challenge. The Company provides reproductive-health solutions, including noninvasive prenatal testing (NIPT), preimplantation genetic screening and diagnosis, and neonatal and genetic health testing.