Horizon Quantum Holdings Ltd. fell 18.5% on Thursday, November 5, 2026, on 205,200 shares. The headline around the move:
Horizon Quantum Holdings Ltd. (HQ:NASDAQ) closed at $11.44 on November 6, 2026, up 8.95% on the day. The stock trades 74.6% below its 52-week high of $45.00 and 38.0% above its 52-week low of $8.29. Over the past year, it gained 16.1%. Horizon Quantum Holdings Ltd. is part of the Technology sector.
In 160 trading sessions since March 23, 2026, HQ closed higher on 72 days (45%). Its best day was June 15, 2026 (+63.34%) and its worst was September 14, 2026 (-32.06%). The stock moved 10% or more in a single session 36 times. It opened at least 5% above the previous day's high 1 time.
Horizon Quantum's mission is to unlock broad quantum advantage by building software infrastructure that empowers developers to use quantum computing to solve the world's toughest computational problems. Founded in 2018 by Dr Fitzsimons, a leading researcher and former professor with more than two decades of experience in quantum computing, the company seeks to bridge the gap between today's quantum hardware and tomorrow's applications through the creation of advanced software development tools. Its integrated development environment, Triple Alpha, enables developers to write sophisticated, hardware-agnostic quantum programs at multiple levels of abstraction.
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Based on end-of-day data. For information only, not investment advice.