About Quantinuum
Quantinuum is a company based in Broomfield (United States) was acquired by Honeywell in November 2021. Quantinuum has raised $1.09 billion across 3 funding rounds from investors including Amgen, Honeywell and Mitsui & Co. Quantinuum offers products and services including Quantum Computers, Quantum Origin, InQuanto, Nexus, and TKET. Quantinuum operates in a competitive market with competitors including Infleqtion, Lightelligence, Sirf, PASQAL and Quantum Computing, among others.
- Headquarter Broomfield, United States
- SectorsTechnology
- Website quantinuum.com
- Social LinkedIn YouTube
- Acquired by Honeywell (Nov 2021)
- Legal Name Quantinuum Inc.
Products & Services of Quantinuum
Quantinuum offers a comprehensive portfolio of products and services, including Quantum Computers, Quantum Origin, InQuanto, Nexus, and TKET.
High-performance systems for quantum computations and simulations
Quantum random number generator for data encryption purposes
Tool for accelerating quantum computational chemistry simulations
All-in-one platform for managing quantum computing workflows
Software for developing and executing quantum computations
Tool for exploring quantum and natural language relationships
Protocol for running error-mitigation on quantum processors
Hardware-as-a-service for on-premise or cloud access
Apps and channels of Quantinuum
its YouTube channel Quantinuum has 2.4K subscribers and 30 videos.
Videos from Quantinuum
The most watched videos on Quantinuum's YouTube channel, Quantinuum (2.4K subscribers). Click a video to play it here.
More on Quantinuum.
Funding Insights of Quantinuum
Quantinuum has successfully raised a total of $1.09B across 3 strategic funding rounds. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
- Total Funding $1.09B
- Total Rounds 3
- First Round $500M
(Dec 2023)
- Investors Count 7
All 3 funding rounds of Quantinuum with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Jan 2026 | – | Post-IPO | – | – | |
| Aug 2025 | $593.84M | Series E | – | JPMorgan Chase | |
| Dec 2023 | $500M | Series D | – | JPMorgan Chase |
7 investors in total: 7 institutional.
Investors in Quantinuum
Quantinuum has secured backing from 7 investors, including institutional and venture fund investors. Prominent investors backing the company include Amgen, Honeywell and Mitsui & Co.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Investment is focused on critical technologies and infrastructure by Serendipity Capital. | – | serendipitycapital.com | Singapore, Singapore | |
- | – | owlvc.com | - | |
Traditional conglomerate services are provided across multiple sectors by Mitsui. | 1947 | mitsui.com | Chiyoda City, Japan | |
Developer of pharmaceutical products for treating multiple diseases | 1980 | amgen.com | Thousand Oaks, United States | |
Financial services are provided to consumers and corporations worldwide. | 2000 | jpmorganchase.com | New York, United States | |
Diversified electronics and automation equipment are manufactured and supplied. | 1885 | honeywell.com | United States | |
Enterprise servers and notebook computers are manufactured and supplied. | 1988 | quantatw.com | Taoyuan City, Taiwan |
Investor details for Quantinuum
The complete investor list, round-by-round participation and investor portfolios require an active premium plan.
- Complete investor list
- Round participation
- Investor portfolios
- Co-investor network
Verified entity values are shown only after access is granted.
People of Quantinuum
107 people are tracked at Quantinuum (36 in leadership, 5 in board & advisors, 66 in team).
| Name | Role | Group |
|---|---|---|
Rajeeb Hazra | CEO | Leadership |
Ross Duncan | Head of Quantum Software | Leadership |
David Muñoz Ramo | Head of Quantum Chemistry | Leadership |
Avinash Palaniswamy | Chief Commercial Officer | Leadership |
Ilyas Khan | Chief Product Officer | Leadership |
Konstantinos Meichanetzidis | Head Of Scientific Product Development And AI Strategy | Leadership |
Brian Neyenhuis | Director of H-Series Cloud Operations | Leadership |
Jerome Gervais | Senior HR Generalist & Business Partner | Leadership |
Jenni Strabley | VP & GM of Compute Products | Leadership |
Ranna Prajapati | VP Of USG Sales | Leadership |
Denise Holmquist | Senior Director Product Operations | Leadership |
Stephen Herbert | Head of Quantum Algorithms | Leadership |
Elvira Shishenina | Senior Director of Strategic Initiatives | Leadership |
Grahame Vittorini | Technical Director for On-Premises Projects & Operations | Leadership |
Shuya Kekke | Japan CEO & Representative Director, Quantinuum K.K. | Leadership |
Waseem Shiraz | Senior VP, Strategic Initiatives & Chief of Staff | Leadership |
Bob Coecke | Chief Scientist, Head of Quantum-Compositional Intelligence | Leadership |
Kaniah Konkoly Thege | Chief Legal Counsel, SVP Government Relations | Leadership |
Susan Schwamberger | Chief Human Resources Officer, SVP Operations | Leadership |
Henrik Dreyer | Managing Director & Scientific Lead, Munich | Leadership |
87 more people are available in the full profile.
Complete people profiles for Quantinuum
Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.
- Full employee list
- Team structure
- Board tenure
- Professional contacts
Verified entity values are shown only after access is granted.
IPO & Listings of Quantinuum
Quantinuum is a publicly listed company on the NASDAQ with ticker symbol QNT in USA, operating in the Electronic technology sector. As a publicly traded entity, the company provides investors with opportunities to participate in its growth story through equity ownership. The listing enables access to capital markets, enhances corporate visibility, and provides liquidity for shareholders while maintaining transparency through regulatory compliance and regular financial disclosures.
- IPO date04 Jun 2026
- Listed onNASDAQ: QNT
- Listed entityQuantinuum Inc.
- Exchange sectorElectronic technology
- ISINUS74768A1043
- Share price$41.52 (-6.11% on the day) · 2026-10-08
- Market capitalisation$10.93B
- Volume (last session)2,568,464
Timeline of Quantinuum
4 dated milestones of Quantinuum across 5 years, from founding to its latest funding, stage changes and deals.
- Exit Acquired by Honeywell.
- Funding First funding round of $500.0M.
- Funding Latest funding round, Post-IPO,.
- IPO Lists on the stock exchange (IPO).
Competitors of Quantinuum
Quantinuum operates in a dynamic and competitive business environment, facing competition from various established players and emerging companies in the market. The competitive landscape includes prominent companies such as Infleqtion, Lightelligence, Sirf, PASQAL and Quantum Computing, among others.
| Company Name | Domain | Founded | HQ Location | Total funding | Employees | Description |
|---|---|---|---|---|---|---|
| infleqtion.com | 2007 | Boulder, United States | $259.82M | 197 | Quantum computing products and solutions are provided. | |
| lightelligence.ai | 2017 | Boston, United States | $246.7M | – | Optical chips and software solutions for AI computing are developed. | |
| sirf.com | 1995 | San Jose, United States | $44.3M | 452 | Semiconductor and software products are developed by Sirf. | |
| pasqal.com | 2016 | Paris, France | $139.23M | – | Developer of neutral atom quantum computers, offering hardware, cloud access, and software. | |
| quantumcomputinginc.com | 2018 | Leesburg, United States | – | 38 | Application software for quantum computing and machine learning is developed. | |
| semiqon.tech | 2023 | Espoo, Finland | $15.68M | – | Quantum qubit and hardware products are provided by SemiQon. | |
| nano-qt.com | 2022 | Shinjuku, Japan | $23.89M | – | Quantum computing hardware and full-stack solutions are provided. | |
| ephos.io | 2022 | United States | $12.5M | – | Photonic chips for quantum sensors and computers are developed. | |
| qpiai.tech | 2019 | Bengaluru, India | $43.34M | – | Provider of integrated quantum computing and AI solutions |
Detailed competitors of Quantinuum
The full competitor set, operating metrics and side-by-side benchmarks require an active premium plan.
- Full competitor set
- Operating metrics
- Benchmarks
- Competitive positioning
Verified entity values are shown only after access is granted.
Web traffic of Quantinuum
The website of Quantinuum (quantinuum.com) receives about 118.8K visits a month.
- Monthly visits118.8K
▲ 5.5% vs previous month
Websites whose visitors overlap most with Quantinuum. Affinity shows how closely the audiences match.
| Website | Domain | Audience affinity | Monthly visits | Global rank | Profile |
|---|---|---|---|---|---|
| thequantuminsider.com | 100% | 376.5K | #165,183 | View details | |
| quantumai.google | 97% | – | #338,736 | View details | |
| nqcc.ac.uk | 89% | 24.4K | #1,253,331 | View details | |
| quantumcomputingreport.com | 89% | – | #634,667 | View details | |
quantumconsortium.org | quantumconsortium.org | 89% | – | #1,232,936 | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
All 21 similar websites and full traffic analytics for Quantinuum
The complete similar-websites list, audience overlap and engagement analytics require an active premium plan.
- 21 similar websites
- Audience overlap
- Engagement analytics
- Traffic by brand
Verified entity values are shown only after access is granted.
Latest news on Quantinuum
Complete news archive for Quantinuum
Full article history, source details, and older brand coverage require an active premium plan.
- Full article archive
- Source and publication date
- Older coverage
- Brand-specific news history
Verified entity values are shown only after access is granted.
Similar companies to Quantinuum
10 companies that operate in the same segment as Quantinuum (Neuromorphic & Quantum Computing), ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
Full-stack quantum computing solutions using superconducting qubits are developed. | 2013 | Berkeley, California, United States | USD 195.62 M | USD 7.09 M | 140 | |
Photon-based universal quantum computers are developed for error correction. | 2015 | Palo Alto, California, United States | USD 2.32 B | USD 1.04 M | 12 | |
Universal quantum computers using trapped-ion technology are provided via cloud. | 2015 | College Park, Maryland, United States | USD 86 M | USD 43.07 M | 407 | |
Cloud-based quantum cryptography solutions for secure communication are developed. | 2016 | Bengaluru, Karnataka, India | USD 43.25 M | USD 102.62 K | 58 | |
Integrated universal quantum computers and software are developed. | 1999 | Burnaby, British Columbia, Canada | USD 210.36 M | USD 8.83 M | 220 | |
Universal quantum computers are developed using optically trapped neutral atoms. | 2018 | Berkeley, California, United States | USD 201.2 M | – | – | |
System-on-chips for quantum computing applications are provided. | 2019 | Elmsford, New York, United States | USD 64.26 M | – | 13 | |
Superconducting quantum computers are developed with advanced processors and operations. | 2018 | Espoo, Finland | USD 526.89 M | – | – | |
Application-oriented research is conducted in bioeconomy, AI, and climate technologies. | 1949 | Darmstadt, Hesse, Germany | USD 23.27 M | – | – | |
Quantum computers are provided using superconducting qubits and trapped ions. | 2019 | Harrogate, United Kingdom | USD 38.76 M | – | 13 |
Unlock complete access to The Company Check
Get unrestricted viewing across everything we track — from companies and brands to investors, funding rounds, acquisitions, financials, and more.
- Unlimited viewing on all profiles Companies, investors, financials, funding, acquisitions & directors
- Full access to every database India & global coverage, advanced filters and rich profile details
- Always-on access from your team account Single premium plan for everything you see on the portal
Frequently Asked Questions about Quantinuum
Quantinuum is headquartered in Broomfield, United States. It is registered at Broomfield, Colorado, United States.
Rajeeb Hazra is the current CEO of Quantinuum.
Quantinuum is a funded company, having raised a total of $1.09B across 3 funding rounds to date. The company's 1st funding round was a Series D of $500M, raised on Dec 2023.
Quantum computing technology is advanced through research labs based in Broomfield, United States. Dedicated facilities are offered to support applications in drug discovery, healthcare, materials science, cybersecurity, energy transformation, and climate change mitigation. Operations focus on enabling quantum solutions across these sectors, with leadership provided by CEO Rajeeb Hazra. The company serves as a key player in the quantum technology domain.
Quantinuum's top competitors include Infleqtion, PASQAL and Quantum Computing.
Quantinuum offers Quantum Computers, Quantum Origin, InQuanto, Nexus, and 4 more products and services.
Yes, Quantinuum is publicly traded on NASDAQ under the ticker symbol QNT.
Quantinuum has 7 investors. Key investors include Amgen, Honeywell, Mitsui & Co, JPMorgan Chase, and Quanta Computer.
Yes. Quantinuum was acquired by Honeywell in November 2021.
The website of Quantinuum receives about 119 thousand visits a month.

