Latest News From Quantum Players
Investor relations, press releases, and news from publicly listed quantum computing companies — IBM, IonQ, Rigetti, D-Wave, and more.
Innovators In Quantum
Companies listed on US or international exchanges with primary quantum computing focus.
IonQ
NYSE: IONQTrapped-ion quantum computing. Aria and Forte QPUs available on AWS and Azure. Reports quarterly earnings.
Rigetti Computing
NASDAQ: RGTISuperconducting QPUs on AWS Braket. Multi-chip Aspen-M processor. One of the first pure-play public quantum hardware companies.
D-Wave Quantum
NYSE: QBTSQuantum annealing + hybrid solvers. 5000+ qubit Advantage2 system. Leap cloud with free trial access.
Quantum Computing Inc.
NASDAQ: QUBTDirac-3 photonic sampler and Entropy Quantum Computing. Enterprise optimization-as-a-service (EaaS).
Arqit Quantum
NASDAQ: ARQQSatellite-based symmetric key agreement (QuantumCloud). Quantum encryption SaaS for enterprises and governments.
IQM Quantum Computers
Nasdaq Helsinki: IQM.HEFinnish superconducting QPU maker. Co-design approach. Garnet (20q) on AWS Braket. European quantum leader.
Big Tech Quantum
Large technology companies with significant quantum computing investments and R&D programs.
IBM Quantum
NYSE: IBMWorld's largest quantum fleet. 100+ QPUs. Condor (1121q), Heron processors. IBM Quantum Network with 200+ organizations.
Google Quantum AI
NASDAQ: GOOGLSycamore quantum supremacy (2019). Willow chip (105q, 2024) demonstrates below-threshold error correction milestone.
Microsoft Azure Quantum
NASDAQ: MSFTMajorana 1 topological qubit chip (2025). Azure Quantum cloud + Q# language. Post-quantum cryptography in Azure.
Amazon Braket
NASDAQ: AMZNAWS Braket multi-QPU cloud. Hosts IonQ, Rigetti, QuEra, Oxford Ionics, IQM. Free Tier available.
NVIDIA CUDA-Q
NASDAQ: NVDACUDA-Q platform for GPU-accelerated quantum simulation. 100–10,000× speedup. Quantum-classical hybrid workflows.