Quantinuum Raises $600 Million, Valued at $10 Billion in Latest Funding Round

Quantinuum, a quantum-computing company, has raised $600 million in its latest funding round, valuing the company at $10 billion. The round drew backing from new investors Quanta Computer, NVentures, and QED Investors, as well as re-investments from existing shareholders. The capital will be used to accelerate the development of the Helios system, which is expected to debut later this year. Honeywell, the parent company of Quantinuum, aims to take the company public between 2026 and 2027.

Quantinuum, a leading quantum-computing company, has raised $600 million in its latest funding round, valuing the company at $10 billion. The round was led by new investors including Quanta Computer, NVentures, and QED Investors, alongside re-investments from existing shareholders [1].

The capital will be used to accelerate the development of the Helios system, which is expected to debut later this year. The funding will also support the expansion of commercial systems, research and development, and the company's global collaborations. Honeywell, the parent company of Quantinuum, aims to take the company public between 2026 and 2027 [1].

The funding round is one of the largest in the quantum computing sector to date and signals continuing investor confidence in the technology's potential. The new investors, including Quanta Computer, NVentures, and QED Investors, join a roster of existing shareholders that includes JPMorgan Chase, Mitsui, Amgen, and Honeywell [1].

Quantinuum's Chief Technology Officer, Scot Baldry, expressed confidence in the company's technology and business strategy, stating, "As both an investor and a collaborator, we’ve seen firsthand the transformative potential of Quantinuum’s technology. We are looking forward to continuing our work together to help accelerate innovation and move closer toward solving real-world problems through quantum applications" [1].

The new funding will enable Quantinuum to maintain its position as one of the best-financed players in the global quantum sector and accelerate its roadmap. The company's unique US-UK heritage and strategic collaborations across the globe position it as a key player in the quantum computing industry [1].

References:
[1] https://thequantuminsider.com/2025/09/04/honeywell-announces-600-million-capital-raise-for-quantinuum-at-10-billion-pre-money-equity-valuation-to-advance-quantum-computing-at-scale/