Quantinuum
Honeywell spin-off. H2 system: 56 qubits, 99.8% fidelity. Industry-leading gate quality.
$300M
Last round (series-c)
Recent News
Preparing States On Quantinuum Hardware - Quantum Zeitgeist
Quantum computing stock Quantinuum rises 30% si... - Pluang
Hybrid Quantum Algorithm Improves Portfolio Optimization on Trapped-Ion Quantum Computer
Quantinuum stock initiated at buy by Craig-Hallum on quantum lead - Investing.com
UBS, BofA, Jefferies Start Quantinuum With Buy Ratings On 'Full-Stack' Platform - Investor's Business Daily
BofA initiates Quantinuum stock with buy on quantum computing tech - Investing.com
Jefferies initiates Quantinuum stock with buy rating on quantum tech lead - Investing.com
IonQ vs. Quantinuum: Which Quantum Computing Accuracy-Leading Stock Looks Like the Better Buy? - The Globe and Mail
IonQ vs. Quantinuum: Which Quantum Computing Accuracy-Leading Stock Looks Like the Better Buy? - The Motley Fool
IonQ vs. Quantinuum: Which Quantum Computing Accuracy-Leading Stock Looks Like the Better Buy? - Yahoo Finance
Quantinuum (QNT) Stock Surges 13% Following Trump's Quantum Computing Executive Orders - Blockonomi
Quantinuum (QNT) Soars 13.5% as US Wants Powerful Computers ASAP - Yahoo Finance
Ilyas Khan: The Definitive 2026 Profile Of Quantinuum's Founder - Quantum Zeitgeist
Sandia Labs and Quantinuum Results Demonstrate Performance Benchmark | Business | Jun 2026 - Photonics Spectra
Should Quantinuum’s Nasdaq Debut and U.S. Quantum Equity Stakes Require Action From Rigetti Computing (RGTI) Investors? - simplywall.st
Related Research
Plaquette: A hardware-aware design platform for fault-tolerant quantum computers
Variational Learning with Sparse Long-range Entangling Gates
Dynamical structure factor with a pumping approach on a trapped-ion quantum computer
A Quantum-HPC Hybrid Workflow for Reaction-Center Electronic Dynamics: Application to a Cytochrome P450-Inspired Iron-Complex Model
Quantum-Optical Bound States in the Continuum
Quantum-Informed Portfolio Selection: An End-to-End Pipeline Validated on Trapped-Ion Hardware with Real Market Data
Closed-loop control for two-qubit gates with trapped ions
Learning Low-Energy Subspace Overlaps in Many-Body Systems with Measurement-Based and Coherent Quantum Strategies
State-dependent Gaussian gate set using an optical tweezer for trapped ions
Repetition-code-based readout error detection and correction across hardware platforms and generations
Funding History
| Round | Amount |
|---|---|
| IPO | $2B |
| Grant | — |
| IPO | $1B |
| IPO | — |
| Series C | $800M |
| Series B | $500M |
| Series A | $300M |
Trapped Ion Competitors
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