IonQ

IonQ leads the trapped ion quantum computing sector as the first pure-play quantum company to go public on NYSE in 2021, founded by Christopher Monroe and Jungsang Kim in 2015 to develop quantum computers using individual trapped atoms as qubits with industry-leading fidelities, accessible through AWS Braket, Azure Quantum, and Google Cloud, receiving $636 million in gross proceeds from its SPAC public offering to accelerate commercialization while serving Fortune 500 companies and research institutions.

Company Information

• Founded: 2015
• Country: USA
• Website: https://ionq.com
• Categories: quantum processors, quantum cloud

Key People

Christopher Monroe (Co-founder, Chief Scientist), Jungsang Kim (Co-founder, CTO), Peter Chapman (CEO)

Investment Information

• Status: public
• Ticker: IONQ
• Total Raised: $711M
• Market Cap: $13.1B (September 2025)
• Last Valuation: $2.0B

Recent Funding Rounds

• 2021-10-01: spac - $636M - SPAC merger with dMY Technology Group III
• 2019-10-10: series-c - $55M - Series C funding round
• 2017-07-26: series-b - $20M - Series B funding round

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