Horizon Quantum Holdings Ltd. (HQ)

Horizon Quantum Holdings Ltd. is a quantum computing software company. It develops programming tools intended to make quantum computers easier to use, allowing developers to write software in conventional programming approaches and have it compiled and optimized to run on quantum hardware.

The company's platform targets researchers, enterprises and hardware makers seeking practical applications of quantum computing, and the company has also built its own quantum computing testbed to support development work.

Founded in 2018 by quantum computing scientist Joe Fitzsimons, Horizon Quantum is headquartered in Singapore. It became a public company through a business combination with dMY Squared Technology Group, a special purpose acquisition company, and its Class A ordinary shares trade on the Nasdaq.