Largest Quantum Computing companies in the world by Market Capitalization

This ranking features the largest 9 Quantum Computing companies in the world ranked by Market Capitalization, totaling a Market Capitalization of USD 30.96 B, for June 21, 2025.

#	Name	Share Price Year-To-Date (YTD) return Price to Earnings Ratio (P/E) Revenue EBIT EBITDA Net Income Free Cash Flow Dividend Yield Free Cash Flow Yield Total Assets Total Liabilities Cash and Short-Term Investments	Stock Price	Change	Price (30 days)	52W low/high	Sector

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Frequently Asked Questions

Which Quantum Computing company in the world has the highest Market Capitalization ?

The Quantum Computing company in the world with the highest Market Capitalization is IonQ, Inc. (NYSE: IONQ) at USD 10.37 B.
Which Quantum Computing company in the world has the lowest Market Capitalization ?

The Quantum Computing company in the world with the lowest Market Capitalization is MicroCloud Hologram Inc. (NasdaqCM: HOLO) at USD 22.51 M.

What are the top 10 Quantum Computing companies in the world by Market Capitalization ?

The top 10 Quantum Computing companies in the world by Market Capitalization are IonQ, Inc., Hengtong Optic-Electric Co., Ltd., D-Wave Quantum Inc., QuantumCTek Co., Ltd., Rigetti Computing, Inc., Quantum Computing, Inc., ParTec AG, SSH Communications Security Oyj and MicroCloud Hologram Inc..
What are the bottom 10 Quantum Computing companies in the world by Market Capitalization ?

The bottom 10 Quantum Computing companies in the world by Market Capitalization are MicroCloud Hologram Inc., SSH Communications Security Oyj, ParTec AG, Quantum Computing, Inc., Rigetti Computing, Inc., QuantumCTek Co., Ltd., D-Wave Quantum Inc., Hengtong Optic-Electric Co., Ltd. and IonQ, Inc..