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Better Quantum Computing Stock: IonQ vs. Rigetti

The article compares IonQ and Rigetti, two of the leading pure-play stocks in quantum computing, while noting competition from Alphabet (GOOGL) and IBM.

June 19, 2026
2 min read
Source: Motley Fool
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IonQ and Rigetti are two of the most popular pure-play stocks in the quantum computing market, raising the question: which is the better buy? According to a report from Motley Fool, both companies offer unique opportunities in this emerging field, but they differ in technological approach and partnerships.

Comparison Between IonQ and Rigetti

IonQ

IonQ uses trapped-ion technology to build quantum computers, offering high accuracy and long coherence times. The company has partnerships with Amazon Web Services, Microsoft Azure, and Google Cloud, giving it broad customer access.

Rigetti

Rigetti relies on superconducting qubits, the same technology used by Google and IBM. It owns its chip fabrication facility, providing greater control over the supply chain.

Market Context

Tech giants like Alphabet (GOOGL) and IBM are aggressively entering the quantum computing race, increasing competition. Google recently claimed a quantum supremacy milestone, while IBM continues to advance its systems. This competitive pressure may impact pure-play companies like IonQ and Rigetti.

What It Means for Investors

Investors should assess the risks and opportunities in this early-stage sector. IonQ offers cloud partnership advantages, while Rigetti focuses on in-house manufacturing. No buy or sell recommendation is made; only a neutral view of strategic differences.

Frequently Asked Questions

IonQ uses trapped-ion technology, while Rigetti uses superconducting qubits.

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This article was rewritten in Wrqti's editorial style based on information from the original source above. Content is informational only — not investment advice.