IonQ posts $173.8 million Q3 revenue and raises 2026 guidance to $505M-$515M

Revenue jumped 336% year over year with help from the SkyWater acquisition, but shares still fell about 10% IonQ just had the best quarter in its history. The stock market responded by knocking roughly a tenth off its share price. The quantum computing company reported $173.8 million in GAAP revenue for the third quarter of 2026, up 336% year over year. It also raised its full-year revenue guidance to between $505 million and $515 million, up from a prior range of $450 million to $460 million. The numbers behind the record This was IonQ’s sixth record quarter in a row, and it came in ahead of consensus estimates. The revenue splits into two clean pieces. The IonQ Platform segment, which covers the company’s quantum computing business, brought in $90.3 million, up 127% from the same quarter last year. The other $83.5 million came from SkyWater Technology, which IonQ acquired. That segment contributes foundry services revenue, meaning it earns money manufacturing chips rather than selling quantum computers. That distinction matters for anyone reading the 336% figure. A big chunk of the headline growth is acquisition math. The core platform still more than doubled, which is impressive...