Quantinuum
About Quantinuum
Quantinuum
In 2024-2025, Quantinuum achieved several historic milestones with its H-series quantum computers. The company surpassed a quantum volume of one million (1,048,576 or 2^20) and later achieved 33.5 million, surpassing competitors by a factor of 16,000. Quantinuum achieved ’three 9’s’ (99.9%) 2-qubit gate fidelity in its commercial quantum computer. In collaboration with Microsoft, the company demonstrated the most reliable logical qubits to date, with error rates 800 times lower than corresponding physical circuit error rates, advancing Quantinuum’s System Model H2 to Microsoft’s Level 2—Resilient phase of quantum computing. With JPMorgan Chase, Quantinuum achieved a 100x improvement over existing industry benchmarks using the H2-1 quantum computer with 56 trapped-ion qubits, setting a new world record for the cross entropy benchmark. The company announced its next system, Helios, set to launch in 2025 with 96 qubits and enhanced computational capabilities expected by mid-2025. In August 2025, Quantinuum raised approximately $400 million in a Series B funding round at a valuation of $10 billion. The round included a $50 million investment from Quanta at $26.76 per share, marking a major milestone in quantum computing financing. This Series B positions Quantinuum as one of the highest-valued quantum computing companies globally and provides capital to advance the development of the Helios system and expand commercial quantum computing services.
Company Information
- Founded: 2021
- Country: United Kingdom
- Website: https://quantinuum.com
- Categories: hardware, quantum chemistry, quantum cloud, quantum consulting, quantum finance, quantum investment, quantum materials, quantum processors, quantum software, trapped ion
Investment Information
- Status: private
- Total Raised: $1525M
- Last Valuation: $10.0B
Recent Funding Rounds
- 2025-09-10: series-c - $600M - Series C funding round at $10B pre-money valuation
- 2021-06-15: merger - $625M - Merger of Honeywell Quantum Solutions and Cambridge Quantum Computing
- 2023-12-12: strategic - $300M - Strategic funding round
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Company Information
Founded
2021
Country
United Kingdom
Website
Categories
Investment Information
Status
Private
Total Raised
$1525M
3 funding rounds tracked. View detailed investment history →
Categories & Regions
Categories
Region
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