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
Sep 8, 2026
Total Funding Raised
$3.98B
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 softwareTKETquantum compilerquantum chemistryquantum cybersecurityquantum-resistant encryptionquantum SDKquantum-as-a-serviceQaaSquantum algorithmquantum-classical hybridquantum key generationquantum advantage
Quantinuum Comparables
Compare Quantinuum with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| IonQ | 92% | |
| PsiQuantum | 81% | |
| IBM | 81% | |
Quantinuum Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Grant | Sep 8, 2026 | ||||
| Strategic | Jun 3, 2026 | ||||
| Early Funding | Nov 5, 2025 | ||||
| Early Funding | 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 | Strategic |
| Evercore ISI | Strategic |
| Korea Investment Partners | Early Funding |
| Rosenblatt Securities | Strategic |
| Mizuho Securities | Strategic |
| Consensys Mesh | Early Funding |
| 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 Range715
Year Founded2021
Last FundingSep 8, 2026
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