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 | 87% | |
| PsiQuantum | 82% | |
| Rigetti Computing | 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
- partners_withOct 27, 2026
On Oct 27th '26, Quantinuum and GE Vernova, Inc. launch a collaboration that applies quantum computing, material science, and engineering simulation to model the mechanisms behind high-temperature superconductivity.
- attends_eventOct 23, 2026
At Oracle AI World 2026, Quantinuum's Chief Commercial Officer Larry Stack is set to deliver a joint keynote with Oracle Executive Vice President Mahesh Thiagarajan on the deployment roadmap and enterprise onboarding strategy for native OCI quantum services.
- launchesOct 19, 2026
Quantinuum plans to introduce Sol, a 2D-grid-based quantum computer, before Apollo, with lessons from Helios guiding its development.
- has_revenueOct 16, 2026
Morgan Stanley forecasts Quantinuum sales at around $270M in 2028, rising to $2 billion by 2030.
- partners_withOct 5, 2026
On Oct 5th '26, Quantinuum and UWA signed a memorandum of understanding in Colorado and Australia to expand access to quantum computing, develop quantum talent, and accelerate practical quantum, AI, and high-performance computing applications.
Quantinuum Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
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