Quantinuum is a leading quantum computing company focused on building full-stack hardware and software solutions that accelerate quantum advantage across industries. With major funding from strategic investors including NVentures, the company has expanded its capabilities and valuation in the rapidly evolving quantum technology landscape.
Keep reading to learn how Quantinuum raised capital and scaled its development of advanced quantum computing systems.
What Is Quantinuum and What Does It Do?
Founded in 2021 from the merger of Honeywell Quantum Solutions and Cambridge Quantum Computing, Quantinuum is a United States based quantum computing company developing high-performance quantum processors, software tools, and middleware solutions to support commercial quantum applications. The company’s offerings include full-stack systems, developer platforms, and collaborations with enterprise and research partners to expand quantum computing use cases in materials science, optimization, cryptography, and artificial intelligence.
How Much Funding Has Quantinuum Raised?
1. Series B Round (2025)
- Amount Raised: ~$600 million
- Date: September 2025
- Valuation: ~$10 billion–$11 billion
- Lead Investors: NVentures (NVIDIA’s venture capital arm), Quanta Computer, QED Investors
- Other Investors: JPMorgan Chase, Mitsui, Amgen, Cambridge Quantum Holdings, Honeywell, MESH, Korea Investment Partners
- Purpose: Advance commercial quantum computing systems, scale next-generation technology, and support full-stack platform growth
2. Series A Corporate Round (2024)
- Amount Raised: ~$300 million
- Date: January 2024
- Lead Investors: JPMorgan Chase, Mitsui, Amgen, and Honeywell
- Purpose: Support early commercial expansion, software and middleware development, and hardware scaling
3. Early Convertible and Strategic Funding (2022)
- Amount Raised: ~$25 million
- Date: February 2022
- Lead Investors: Strategic deep tech and venture partners
- Purpose: Facilitate foundational research, early product development, and integration of hardware and software capabilities
Total Funding Raised: Approximately $900 million+
Latest Funding Date: September 2025
Latest Known Valuation: Around $10–11 billion
Key Investors
- NVentures
- Details: Venture capital arm of NVIDIA investing in frontier technology startups
- Focus Areas: Quantum computing, artificial intelligence, and next-gen compute platforms
- Quanta Computer
- Details: Global hardware manufacturer and strategic technology investor
- Focus Areas: Compute infrastructure, advanced systems, and quantum technology enablement
- QED Investors
- Details: Growth-focused investment group backing innovative tech companies
- Focus Areas: Deep tech and scalable solutions
- JPMorgan Chase
- Details: Global financial services firm active in quantum research collaborations
- Focus Areas: Financial services use cases, quantum advantage development
- Mitsui & Co., Amgen, Cambridge Quantum Holdings, Honeywell
- Details: Strategic investors participating across multiple funding rounds
- Focus Areas: Technology scaling, market expansion, and ecosystem partnerships
Where Is Quantinuum’s Headquarters?
Quantinuum is headquartered in Broomfield, Colorado, United States, serving as its central hub for engineering, research, and strategic operations in quantum hardware and software development.
What’s Next for Quantinuum?
Quantinuum plans to continue advancing its quantum systems and developer ecosystem, support broader enterprise and research adoption, and accelerate progress toward fault-tolerant and scalable quantum computing. The company is also exploring global expansion of infrastructure and strategic collaborations with partners in finance, healthcare, and materials science.
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