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
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 |
Recent news
Latest coverage and updates
- launchesSep 15, 2026
Quantinuum launched QUOPS framework on Sep 14th '26.
- attends_eventSep 11, 2026
Quantinuum will attend event Piper Sandler 5th Annual Growth Frontiers Conference on Sep 14th '26.
- partners_withSep 9, 2026
Quantinuum partnered with Globalfoundries on Sep 8th '26.
- receives_financingSep 8, 2026
Quantinuum received financing of $100M in federal funding on Sep 8th '26.
- partners_withSep 8, 2026
Quantinuum partnered with GlobalFoundries inc. on Sep 8th '26.
Quantinuum Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
Request access