Leading Public Quantum Computing Companies: Rigetti, D-Wave, and Atos Drive Hardware and Software Innovation

September 6, 2026

Quantum Computing Report USA

Overview

A list published by Quantum Computing Report highlights key public companies in the quantum computing sector and their contributions. Rigetti Computing stands out as a full-stack quantum processor provider utilizing superconducting qubit technology, offering both cloud and on-premises access, and operating a dedicated quantum wafer fabrication facility. D-Wave Systems develops both annealing and gate-based quantum processors, alongside cloud services. Atos Quantum provides the Atos Quantum Learning Machine, a simulation platform for quantum systems, fostering software ecosystem development.

In Depth

Key Findings

According to a comprehensive list compiled by the Quantum Computing Report, leading public companies such as Rigetti Computing, D-Wave Systems, and Atos Quantum are at the forefront of driving innovation in both quantum hardware and software markets.

Technical / Clinical Details

This overview provides insights into the publicly traded entities operating within the quantum computing landscape. Rigetti Computing is distinguished as a full-stack provider of quantum processors, leveraging advanced superconducting qubit technology. The company offers quantum computing access via both cloud platforms and on-premises setups, and notably, operates its own dedicated quantum wafer fabrication facility, illustrating a vertically integrated approach from hardware development to deployment. D-Wave Systems, initially renowned for its annealing quantum processors, has expanded its focus to include gate-based quantum processors, making both technologies available through its cloud services. Atos Quantum, the quantum division of the French tech giant Atos, contributes significantly to the quantum software ecosystem by offering the ‘Atos Quantum Learning Machine,’ a simulation platform designed to aid in the development and testing of quantum algorithms.

Background & Context

The quantum computing market is experiencing rapid growth, attracting a diverse array of startups and established technology giants. However, given the nascent stage of the technology, the long-term dominance of any single hardware modality (e.g., superconducting, ion trap, neutral atom) remains uncertain. Publicly traded companies benefit from greater access to capital and market confidence, enabling them to accelerate R&D investments. Companies that offer integrated solutions spanning both hardware and software are particularly well-positioned to deliver enhanced value to their customers by providing comprehensive quantum computing environments.

Strategic Significance & Outlook

These public companies are at the vanguard of the race towards practical quantum computing. Rigetti’s vertically integrated strategy facilitates rapid iterative development and performance improvements in quantum processors. D-Wave’s diverse processor offerings provide flexibility for addressing a wide range of optimization problems. Atos’s simulation tools are crucial for democratizing quantum algorithm development and training the future quantum workforce. The collective activities of these firms are instrumental in accelerating the adoption of quantum computing technologies across broader industrial sectors, paving the way for the eventual realization of ‘quantum advantage’ and ushering in a new era of computational possibilities.

Source: https://quantumcomputingreport.com/public-companies/

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