Quantum Brain

Rigetti Computing

RGTI

Vertically integrated: builds own chips and offers cloud access via Rigetti QCS.

SuperconductingCloud AccessUSEst. 2013~170 employees

$3B

Market cap

Website

Recent News

D-Wave Quantum vs. Rigetti Computing: Which Cutting Edge Quantum Stock Is a Better Buy in 2026? - The Motley Fool

google-newsOct 7, 2026noise
1/10

Rigetti Computing vs. D-Wave Quantum: Which Quantum Computing Stock Is the Better Buy? - The Motley Fool

google-newsOct 6, 2026financial
1/10

Rigetti Computing vs. D-Wave Quantum: Which Quantum Computing Stock Is the Better Buy? - Yahoo Finance

google-newsOct 6, 2026financial
1/10

BigBear.ai vs. Rigetti Computing: Which Technology Stock Is a Better Buy in 2026? - The Globe and Mail

google-newsSep 25, 2026financial
1/10

Hogan Lovells Cadwalader advises Rigetti Computing in U.S. government funding to accelerate superconducting quantum computing R&D - Legal Desire

google-newsSep 21, 2026financial
6/10

Rigetti Computing gains as investors appear to rotate back into quantum names - Quiver Quantitative

google-newsJul 21, 2026financial
4/10

Is Rigetti Computing (NASDAQ:RGTI) Leading Penny Stock Buzz? - Kalkine Media

google-newsJul 17, 2026financial
3/10

D-Wave Quantum vs. Rigetti Computing: Which Quantum Computing Stock Is a Better Buy in 2026? - The Motley Fool

google-newsJul 10, 2026financial
3/10

D-Wave Quantum vs. Rigetti Computing: Which Quantum Computing Stock Is a Better Buy in 2026? - The Globe and Mail

google-newsJul 10, 2026financial
3/10

Quantinuum's IPO Is Putting Pressure on IonQ, Rigetti Computing, and D-Wave Quantum. Here's Which Quantum Computing Stock Survives the Reset. - The Motley Fool

google-newsJun 16, 2026financial
8/10

Rigetti Computing (RGTI) Offers Attractive Potential for the Next 5 Years - Insider Monkey

google-newsJun 16, 2026financial
3/10

Rigetti Computing (RGTI) Stock Valuation After CHIPS Act Funding Move And New Quantum Processor Launch - simplywall.st

google-newsJun 14, 2026financial
7/10

A Look At Rigetti Computing (RGTI) Valuation After CHIPS Act Funding Letter Of Intent - simplywall.st

google-newsMay 23, 2026financial
5/10

Rigetti Computing (RGTI) Soars 19.9% on $100M Govt Funding - Insider Monkey

google-newsMay 23, 2026financial
8/10

Why Are Infleqtion, D-Wave Quantum, Rigetti Computing Shares Surging In Thursday Pre-Market? - Benzinga

google-newsMay 21, 2026financial
5/10

Related Research

Funding History

RoundAmount
Other$100M
Strategic Investment$100M
Grant$100M
Strategic Investment$350M
Strategic Investment$35M
SPAC$261M
Series C$79M
Series B$71M
Series A$64M

Superconducting Competitors

Amazon BraketCloud Access

Cloud platform hosting IonQ, Rigetti, QuEra hardware. AWS Center for Quantum Computing.

$2.0T mkt cap

IBM QuantumCloud Access

1,121-qubit Condor processor. Largest cloud quantum fleet. Qiskit ecosystem.

$220B mkt cap

D-Wave SystemsCloud Access

Quantum annealing pioneer. Advantage system: 5,000+ qubits. Also developing gate-based.

$2B mkt cap

Multiverse ComputingCloud Access

Quantum and quantum-inspired software for financial services, energy, manufacturing, and life sciences.

Classiq TechnologiesCloud Access

Quantum software platform for designing, optimizing, and executing quantum circuits at scale.

Oxford Quantum CircuitsCloud Access

Coaxmon architecture. Cloud quantum computing platform available in EU.

$100M last round

Origin QuantumCloud Access

China's leading quantum computing company. 72-qubit Wukong processor.

$150M last round

Google Quantum AIPrototype

Willow chip achieved below-threshold error correction. Pursuing fault-tolerant quantum computing.

$2.1T mkt cap

IQM Quantum ComputersPrototype

European leader. Building 150-qubit systems. On-premise quantum computers for data centers.

$128M last round

QedmaPrototype

Quantum error mitigation software that maximizes computational power of current quantum hardware.

Alice & BobPrototype

Cat qubits with built-in error protection. Targeting fault tolerance with fewer physical qubits.

$30M last round

SandboxAQPrototype

Enterprise SaaS company combining AI and quantum tech, spun out of Alphabet. Focuses on post-quantum cryptography and large-scale simulations.

Quantum MachinesPrototype

Builds quantum orchestration platform (OPX+) and quantum control hardware used by over half of all quantum computing companies.

SpinQ TechnologyPrototype

Industrial superconducting quantum computing company based in China.

Microsoft QuantumResearch

Majorana-based topological qubits. Azure Quantum cloud platform (hosts other hardware).

$3.1T mkt cap

Nord QuantiqueResearch

Bosonic error correction with microwave cavities.

$9M last round

Quantum Intelligence

Ask about quantum research, companies, or market developments.