Shares of IonQ Inc. (IONQ) tumbled 5.12% in pre-market trading on Thursday, as investors reacted negatively to the quantum computing company's second-quarter earnings report and announcement of leadership changes. The stock's decline came despite better-than-expected revenue and raised full-year guidance, as the market focused on wider-than-anticipated losses and board restructuring.

IonQ reported a Q2 loss of $0.70 per share, significantly wider than both the $0.18 loss reported in the same quarter last year and the analyst consensus estimate of $0.27 loss per share. This substantial increase in losses overshadowed the company's revenue performance, which saw Q2 revenue reach $20.69 million, up 81.8% from a year earlier and surpassing analyst expectations of $17.23 million.

Adding to investor concerns, IonQ announced key leadership changes. CEO Niccolo de Masi has been appointed to the additional position of board chairman, while former CEO Peter Chapman has stepped down as executive chairman and as a member of the board. These shifts in top management, coupled with the unexpectedly large quarterly loss, seem to have unsettled investors despite the company's positive revenue outlook. IonQ raised its full-year 2025 revenue guidance to a range of $82 million to $100 million, up from its previous forecast of $75 million to $95 million, indicating confidence in its growth trajectory. However, the market's pre-market reaction suggests that investors are more focused on the company's profitability challenges in the near term.