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Quantinuum

DeepSeries D+

The most advanced quantum computing software and hardware platform for practical quantum advantage

🌐 www.quantinuum.comLinkedInX / Twitter📍 COEst. 2021👥 201-500 employees
0Rounds
11Articles
General InformationQuantinuum is a quantum computing hardware and software company based in Broomfield, Colorado with over 200 employees, founded in 2021 through the merger of Cambridge Quantum Computing and Honeywell's quantum division.
Funding & FinancialsQuantinuum has raised over $300 million in funding including Series D investment led by Honeywell and other major institutional investors, making it one of the most well-funded quantum computing companies.
Leadership & TeamCEO Ilyas Khan leads the company; the leadership team includes executives from Honeywell's quantum business and Cambridge Quantum Computing with backgrounds in quantum physics, computer science, and enterprise software.
Recent ActivityRecent developments include partnerships with cloud providers for quantum computing access, expansion of their trapped-ion quantum processor capabilities, and demonstrations of quantum advantage in real-world optimization problems for enterprise clients.

Highlights

Total Raised
Latest Round
Stage
Series D+
deep-tech
Employees
201-500
Founded 2021
Headquarters
CO
News Coverage
11 articles
Last: 5d ago
Talent Signals
SEC Filings

News Coverage 11

Deep5d ago

Quantum Startup Secures $115M in Six Months, Eyes Hardware Bottleneck

Monarch Quantum, a San Diego photonics company, closed a $55M growth round in March 2026 after launching in January with $60M in customer contracts, positioning itself as the infrastructure layer quantum computing cannot yet build at scale.

Deep6d ago

U.S. commits $2B to quantum foundries, betting supply chain controls the race

The Department of Commerce awarded $2 billion in CHIPS incentives to nine quantum companies, anchored by IBM's new Anderon foundry, reshaping who can access quantum wafer fabrication globally.

Industrial6d ago

Trump gives quantum chip makers $2B, takes equity stakes in return

Trump administration awards $2 billion in quantum computing manufacturing grants to nine firms while taking equity stakes, departing from traditional CHIPS Act subsidy structure.

Deep1mo ago

Monarch and Oratomic claim 10,000 qubits suffice for cryptographic quantum computing

Monarch Quantum and Oratomic announced a partnership to build fault-tolerant quantum computers with thousands of logical qubits using only ~10,000 physical qubits by 2030, fundamentally challenging the industry's million-qubit assumption and accelerating post-quantum cryptography timelines.

Deep1mo ago

IonQ Links Two Quantum Computers via Light, Wins DARPA Contract

IonQ demonstrated the first photonic interconnection of two commercial quantum computers and secured a DARPA HARQ contract, triggering a 20% stock surge and signaling that quantum networking—not just qubit count—is now the competitive frontier.

Deep1mo ago

Terra Quantum's $3.25B SPAC Deal Signals Quantum Software's Market Moment

Terra Quantum AG announced a $3.25 billion SPAC merger with Mountain Lake Acquisition Corp. II on April 9, positioning software and quantum security—not raw hardware—as the near-term revenue driver for quantum computing.

Deep1mo ago

CavilinQ Raises $8.8M to Build the Missing Layer in Quantum Scaling

CavilinQ closed an $8.8M seed round on April 2, 2026, to develop photonic interconnects linking quantum processors into modular clusters—solving the bottleneck that has prevented quantum computing from scaling beyond isolated machines.

Deep2mo ago

Qblox ships first Made-in-America quantum control systems from Massachusetts

Qblox began manufacturing quantum control electronics in Canton, Massachusetts on April 1, 2026, backed by a DOE-Fermilab partnership — the first onshoring of quantum hardware infrastructure in response to U.S. supply-chain mandates.

Deep2mo ago

QCi Deploys Dirac-3 in First Commercial Data Center Installation

Quantum Computing Inc. installed its Dirac-3 photonic optimization machine at Hammond, Indiana's Digital Crossroad Data Center on March 30, 2026 — the first commercial data center deployment of the system — secured by Toshiba QKD over live fiber.

Deep2mo ago

IBM Heron Matches Neutron Data; Rigetti Commits $100M to UK

IBM's 50-qubit Heron processor reproduced neutron scattering data for a real magnetic crystal on March 26, while Rigetti announced a $100M UK commitment — two milestones in 48 hours that reframe quantum utility as a present-tense scientific instrument.

Deep2mo ago

QpiAI Hits 1.5-Microsecond QEC Latency, 40x Below Industry Standard

Bengaluru-based QpiAI demonstrated a hardware QEC decoder achieving 1.5-microsecond end-to-end latency on its 64-qubit Kaveri processor — 40x faster than the 60-microsecond CPU/GPU industry baseline.

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