LeonaBio Inc Com (New) (LONA:NASDAQ) closed at $4.84 on October 23, 2026, down 2.62% on the day. The stock trades 65.9% below its 52-week high of $14.21 and 119.0% above its 52-week low of $2.21. Over the past year, it gained 18.9%. LeonaBio Inc Com (New) is part of the Health Care sector.
In 252 trading sessions since October 23, 2025, LONA closed higher on 130 days (52%). Its best day was December 18, 2025 (+62.52%) and its worst was September 25, 2026 (-34.87%). The stock moved 10% or more in a single session 23 times. It opened at least 5% above the previous day's high 3 times.
LeonaBio, headquartered in the Seattle, Washington area, is a clinical-stage biopharmaceutical company dedicated to the development of novel therapeutics for diseases with high unmet medical needs, including treatment-resistant metastatic breast cancer and amyotrophic lateral sclerosis (ALS), with the goal of improving patients lives. Our lead drug candidates, lasofoxifene and ATH-1105, are novel, small molecule therapies with the potential to address devastating diseases where current treatment options are limited or ineffective. With a strong commitment to scientific excellence and patient-centered innovation, we are dedicated to developing meaningful new therapies for those who need them most.
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Based on end-of-day data. For information only, not investment advice.