Core Insights - Horizon Quantum has become the first private company to operate a commercial quantum computer in Singapore, marking a significant milestone ahead of its planned U.S. listing [1][2] - The company, founded in 2018 by quantum researcher Joe Fitzsimons, has successfully integrated components from various quantum computing suppliers, making it the first pure-play quantum software firm to own its own quantum computer [2] Company Focus - The primary focus of Horizon Quantum is to assist developers in utilizing quantum computers for practical applications, emphasizing the importance of programming these advanced systems effectively [3] - The company is dedicated to building the necessary software tools and infrastructure to support applications for quantum computing systems [3] Technical Integration - Horizon Quantum acknowledges the significance of understanding the entire technology stack, from software to physical components, which is why it has established a test bed for its quantum computing systems [4]