A pure-play quantum company and a tech veteran vie for leadership in the new technology.

IBM built its first quantum computer in 2019. Unlike most of its quantum peers, IBM earns a profit. Its start-up competitors ...

IONQ and QBTS shine as quantum momentum builds, with record performance metrics, strong revenue gains and new systems driving ...

The fruits of the partnership are admittedly years away as the companies strive for a connected fault-scale network by the “early 2030s.” ...

IBM and Cisco are building a distributed quantum computing network, enabling trillions of quantum gate computations.

IBM, Alphabet, and Microsoft (in that order) had the most U.S. quantum computing patents awarded in 2024.

Get the latest on IBM's Q3 2025 performance, dividend outlook, and valuation insights. See here to know if IBM stock is a buy ...

IBM has booked $1 billion in cumulative quantum business since 2017, with clear milestones to achieve fault-tolerant systems by 2029. Pure-play quantum stocks trade at rich revenue multiples, while ...

Rigetti Computing is one of the high-flying, pure-play quantum computing stocks.

International Business Machines (NYSE: IBM) has been working on quantum computing technology for decades. The company's quantum computing roadmap calls for a demonstration of quantum advantage, where ...

Cisco and IBM collaborate to design a connected network of large-scale, fault-tolerant quantum computers, laying the groundwork for a quantum computing internet defined by quantum computers, sensors ...

Artificial intelligence has proven to be a transformative technology, yet quantum computing could be bigger. Quantum computers harness the properties of quantum mechanics to perform calculations in a ...