Quantinuum
PublicQuantinuum is now publicly traded
The data on this page reflects Quantinuum's private-market history up to the point it went public, including its funding rounds, valuation, and investors.
Last Round
Grant
Jun 3, 2026
Est. Valuation at Exit
$15.53B
Total Funding Raised
$3.68B
Company Overview
Quantinuum is a quantum computing company that develops integrated hardware and software platforms to advance scientific and commercial applications in chemistry, cybersecurity, finance, and optimization.
Sector
Quantum Computing
AI Layer
Infrastructure
Keywords
quantum computingtrapped-ion hardwarequantum hardwarequantum softwareerror mitigationfault-tolerant computingquantum cybersecuritycomputational chemistryquantum SDKTKETquantum machine learningQMLquantum cloudquantum ecosystemfrontier techdeep tech
Quantinuum Comparables
Compare Quantinuum with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| IonQ | 87% | |
| Xanadu Quantum Technologies Limited | 81% | |
| Rigetti Computing | 79% | |
Quantinuum Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Grant | Jun 3, 2026 | ||||
| Early Funding | Nov 5, 2025 | ||||
| VC Round | Sep 4, 2025 | ||||
| VC Round | Jan 16, 2024 | ||||
| Corporate Funding | Nov 30, 2021 |
Key People
Founding team and executive leadership
Quantinuum Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Jefferies | Grant |
| Evercore ISI | Grant |
| Korea Investment Partners | VC Round, Early Funding |
| Rosenblatt Securities | Grant |
| Mizuho Securities | Grant |
| Consensys Mesh | VC Round |
| Standard Chartered | VC Round |
Quantinuum Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Firmographic Details
HeadquartersBroomfield, Colorado
Employee Range688
Year Founded2021
Last FundingJun 3, 2026