Story perspectives

Insider Selling Sparks Caution in Quantum Computing Stocks

10/18/2025

Summary

Story summary

Insider selling raises concerns about valuations of quantum computing stocks, prompting investors to approach with caution.
The four companies—IonQ, Rigetti Computing, D-Wave Quantum, and Quantum Computing, Inc.—reported about $875 million in net insider selling over five years.
The price-to-sales ratios are unsustainably high, with Rigetti Computing's ratio about 725.
Although quantum computing holds potential, the sector remains years from commercial viability, so investors should consider safer alternatives.

History

Historical Context

The dot-com bubble burst in 2000, causing tech stocks like Pets.com and Webvan to lose over 90% of their value, reflecting the risks of investing in emerging technologies. Today, concerns resurface as quantum computing firms, including IonQ and Rigetti Computing, report $875 million in insider selling, echoing past lessons about potential overvaluation in innovative sectors that may take years to mature.

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Story summary

Insider selling raises concerns about valuations of quantum computing stocks, prompting investors to approach with caution.
The four companies—IonQ, Rigetti Computing, D-Wave Quantum, and Quantum Computing, Inc.—reported about $875 million in net insider selling over five years.
The price-to-sales ratios are unsustainably high, with Rigetti Computing's ratio about 725.
Although quantum computing holds potential, the sector remains years from commercial viability, so investors should consider safer alternatives.

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