As of mid-October 2025, shares of quantum computing companies IonQ (NYSE: IONQ), Rigetti Computing (NASDAQ: RGTI), and D-Wave Quantum (NYSE: QBTS) surged between 670% and 6,217% over the past year. Despite this strong performance, insiders have sold a staggering $930 million in stock since March 2021, with IonQ alone accounting for $575.7 million in net sales. Insider buying has been negligible during the same period, with total purchases at just $3.35 million for IonQ, $625,000 for Rigetti, and over $309,000 for D-Wave, indicating a lack of confidence among executives about the current stock valuations.
This stock surge is partly fueled by interest in quantum computing sparked by major investment initiatives, including JPMorgan Chase’s $1.5 trillion, 10-year Security and Resiliency Initiative. Analysts predict that quantum computing could generate between $450 billion and $850 billion in economic value by 2040. However, with quantum technology still years away from competing with classical computers cost-effectively, the rapid stock price increases may show signs of overvaluation amid significant insider selling.
