Quantinuum Inc. (QNT:NASDAQ) closed at $35.40 on November 13, 2026, down 5.50% on the day. The stock trades 59.2% below its 52-week high of $86.79 and 25.0% above its 52-week low of $28.31. Over the past year, it lost 41.4%. Quantinuum Inc. is part of the Technology sector.
In 113 trading sessions since June 5, 2026, QNT closed higher on 47 days (42%). Its best day was August 12, 2026 (+27.97%) and its worst was October 30, 2026 (-10.40%). The stock moved 10% or more in a single session 10 times. It opened at least 5% above the previous day's high 1 time.
Quantinuum is a leading quantum computing company offering a full-stack platform designed to make quantum computing deployable in real-world environments. The company has commercially deployed multiple generations of quantum systems built on the well-established QCCD architecture, which it has implemented with novel designs and capabilities to achieve the industry's highest accuracy levels based on average two-qubit gate fidelity as of December 31, 2025. Quantinuum has active engagements with market leaders across pharmaceuticals, material science, financial services, and government and industrial markets. Quantinuum's headquarters is in Broomfield, Colorado, with additional facilities across the United States, United Kingdom, Germany, Japan, Qatar and Singapore.
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Based on end-of-day data. For information only, not investment advice.