IONQ Inc.'s stock experienced a pre-market plunge of 5.01% on Thursday, extending declines from the prior session's after-hours trading.

The sharp move followed the company's release of its first-quarter 2026 financial results after the market close on Wednesday. While IonQ reported revenue of $64.7 million, significantly surpassing analyst estimates of approximately $49.7 million, investor focus shifted to the company's widening losses. The adjusted loss per share was $0.34, representing a 142.86% deterioration from the loss of $0.14 in the same quarter last year.

Analysts noted that despite the strong top-line performance and raised full-year revenue guidance, the market reacted negatively to the expanding adjusted EBITDA loss, which reached $96.8 million for the quarter. The maintained guidance for substantial full-year adjusted EBITDA losses signaled ongoing heavy investment ahead of potential profitability, leading to pre-market selling pressure as investors reassessed the near-term profit trajectory.