Quantum Computing Stocks IonQ, Rigetti, and D-Wave Are Sending Shockwaves Through Wall Street With This $988 Million Warning

Insiders at IonQ, Rigetti Computing, and D-Wave Quantum collectively unloaded more than $988 million in stock over the past five years, according to a Motley Fool analysis warning of extreme valuations in the quantum computing sector. Insider buying during the same period was minimal.

The three companies trade at price-to-sales ratios ranging from 60 to 459, according to the report. IonQ, Rigetti (RGTI), and D-Wave (QBTS) have posted significant gains since mid-2024, but the disconnect between insider selling activity and retail enthusiasm has raised red flags.

The analysis draws parallels to historical technology bubbles, noting that broad commercial adoption of quantum computing remains years away. The $988 million in aggregate insider sales contrasts sharply with the sustained bullish momentum in retail trading, suggesting company executives are taking advantage of elevated valuations to cash out positions.

The Motley Fool report emphasizes that price-to-sales multiples in the triple digits typically precede major corrections in emerging technology sectors. No specific catalysts for near-term revenue acceleration were identified to justify current valuations.