BillionToOne Inc. (BLLN:NASDAQ) closed at $107.77 on October 23, 2026, up 1.98% on the day. The stock trades 28.4% below its 52-week high of $150.44 and 73.9% above its 52-week low of $61.96. Over the past year, it lost 3.0%. BillionToOne Inc. is part of the Health Care sector.
In 240 trading sessions since November 7, 2025, BLLN closed higher on 123 days (51%). Its best day was January 12, 2026 (+15.37%) and its worst was August 6, 2026 (-38.89%). The stock moved 10% or more in a single session 15 times.
BillionToOne is transforming healthcare by redefining molecular diagnostics. Our revolutionary single molecule NGS (smNGS) platform achieves what was once thought impossible - detecting and precisely quantifying genetic targets with single-molecule sensitivity. This superior technology platform has enabled us to build category-defining prenatal and oncology products. Our products reveal actionable insights from a simple blood draw that are fundamentally changing how diseases are diagnosed and treated, leading to a paradigm shift in personalized medicine. We believe our novel smNGS platform technologies, combined with our AI-enhanced integrated workflow, allow us to push the technology frontier forward and deliver on the full promise of non-invasive liquid biopsy.
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Based on end-of-day data. For information only, not investment advice.