Quantinuum
Founded Year
2021Stage
Series B - II | AliveTotal Raised
$1.374BValuation
$0000Last Raised
$200M | 1 day agoAbout Quantinuum
Quantinuum focused on developing quantum computers and quantum software solutions. The company offers products including quantum computers, a quantum random number generator for encryption, and tools for quantum computational chemistry. It serves sectors that require problem-solving capabilities such as cybersecurity, materials science, and computational chemistry. It was founded in 2021 and is based in Broomfield, Colorado. In November 2021, Honeywell acquired a majority stake in Quantinuum for $270M.
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Research containing Quantinuum
Get data-driven expert analysis from the CB Insights Intelligence Unit.
CB Insights Intelligence Analysts have mentioned Quantinuum in 6 CB Insights research briefs, most recently on Jul 10, 2025.
Jul 10, 2025 report
State of Venture Q2’25 Report
Sep 13, 2024
The AI computing hardware market map
Expert Collections containing Quantinuum
Expert Collections are analyst-curated lists that highlight the companies you need to know in the most important technology spaces.
Quantinuum is included in 5 Expert Collections, including Semiconductors, Chips, and Advanced Electronics.
Semiconductors, Chips, and Advanced Electronics
7,494 items
Companies in the semiconductors & HPC space, including integrated device manufacturers (IDMs), fabless firms, semiconductor production equipment manufacturers, electronic design automation (EDA), advanced semiconductor material companies, and more
Quantum Tech
628 items
This Expert Collection contains private and recently exited companies working on quantum computing, quantum communication, post-quantum cryptography, quantum sensors, and other quantum tech.
Drug Discovery Tech Market Map
221 items
This CB Insights Tech Market Map highlights 220 drug discovery companies that are addressing 12 distinct technology priorities that pharmaceutical companies face.
Advanced Manufacturing
4,532 items
Companies in the advanced manufacturing tech space, including companies focusing on technologies across R&D, mass production, or sustainability
Grid and Utility
2,383 items
Companies that are developing and implementing new technologies to optimize the grid and utility sector. This includes, but is not limited to, distributed energy resources, infrastructure security, utility asset management, grid inspection, energy efficiency, grid storage, etc.
Quantinuum Patents
Quantinuum has filed 96 patents.
The 3 most popular patent topics include:
- quantum information science
- quantum mechanics
- mass spectrometry
Application Date | Grant Date | Title | Related Topics | Status |
|---|---|---|---|---|
5/19/2022 | 3/4/2025 | Mass spectrometry, Quantum mechanics, Quantum information science, Electrical engineering, Electronic circuits | Grant |
Application Date | 5/19/2022 |
|---|---|
Grant Date | 3/4/2025 |
Title | |
Related Topics | Mass spectrometry, Quantum mechanics, Quantum information science, Electrical engineering, Electronic circuits |
Status | Grant |
Latest Quantinuum News
Nov 5, 2025
Quantinuum expanded its previously announced funding round to $800 million from $600 million after it was oversubscribed, Chief Executive Officer Rajeeb Hazra said in a statement. The round valued the company at $10 billion, he said. A representative for Fidelity declined to comment. Honeywell owns about 54% of Quantinuum. Other investors in Quantinuum include Nvidia Corp.'s venture capital arm, Quanta Computer Inc. QED Investors , JPMorgan Chase & Co., Mitsui & Co., Serendipity ... See Breaking News in Context Bloomberg Law provides trusted coverage of current events enhanced with legal analysis. Already a subscriber? Log in to keep reading or access research tools and resources.
Quantinuum Frequently Asked Questions (FAQ)
When was Quantinuum founded?
Quantinuum was founded in 2021.
Where is Quantinuum's headquarters?
Quantinuum's headquarters is located at 303 South Technology Court, Broomfield.
What is Quantinuum's latest funding round?
Quantinuum's latest funding round is Series B - II.
How much did Quantinuum raise?
Quantinuum raised a total of $1.374B.
Who are the investors of Quantinuum?
Investors of Quantinuum include Fidelity International, Honeywell, Serendipity Capital, Amgen, Mitsui and 14 more.
Who are Quantinuum's competitors?
Competitors of Quantinuum include Quantropi, QuEra Computing, Infleqtion, Phasecraft, QNu Labs and 7 more.
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Compare Quantinuum to Competitors
Atom Computing develops quantum computers within the quantum computing sector. The company provides gate-based quantum computers that utilize arrays of optically-trapped neutral atoms, focusing on error-corrected qubits, coherence times, connectivity, and operations. Atom Computing serves sectors that require quantum computing, such as research institutions and technology companies. It was founded in 2018 and is based in Berkeley, California.
Pasqal specializes in quantum computing technology. It focuses on industries such as energy, mobility, healthcare, finance, and public services. The company offers quantum computing solutions for simulations and optimizations for various applications. It primarily sells to sectors that require computational capabilities, such as risk management, battery design, weather forecasting, quantum materials research, grid power management, and logistics optimization. The company was founded in 2019 and is based in Massy, France.
planqc specializes in the development of quantum computers using neutral atoms for quantum information processing within the quantum computing industry. Its quantum processors store and process information using individual atoms in scalable arrays, manipulated by precision laser pulses. It offers technology designed to achieve a quantum advantage by scaling to thousands of qubits, which is essential for solving industry-relevant problems. It was founded in 2021 and is based in Garching, Germany.
Infleqtion is involved in quantum information technology across various sectors. It provides quantum-enabled products and AI-powered solutions that improve navigation, communication security, energy distribution, and computing. Its solutions serve commercial organizations and government entities. It was founded in 2007 and is based in Louisville, Colorado.
Oxford Quantum Circuits provides quantum computing solutions within the technology sector. It offers quantum capabilities, including access to quantum computers via cloud services, digital infrastructure, and system design. It serves sectors such as financial services, automotive & logistics, energy & climate, health & life sciences, and national security & defence. It was founded in 2017 and is based in Reading, United Kingdom.
PQShield specializes in providing quantum-resistant cryptography solutions within the cybersecurity industry. The company offers a suite of products, including hardware IP for secure co-processing, software IP with cryptographic libraries and APIs, and research IP that contributes to setting global standards. PQShield primarily serves sectors such as semiconductors, military and aerospace, financial technology, network and telecommunications, automotive, industrial IoT, and enterprise platforms. It was founded in 2018 and is based in Oxford, United Kingdom.
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