The latest data point for IONQ's Return on Sales (ROS) in Q4'25 shows a positive turnaround at 11.78%, marking the first profitable quarter after a prolonged period of losses. This represents a dramatic improvement from the previous quarter's -26.57% in Q3'25, driven by potential revenue growth or cost efficiencies in the quantum computing sector. Over the period from Q1'23 to Q4'25, IONQ's ROS trended from deep negatives around -6% to -8% in early 2023, gradually improving to -3.30% by Q2'24 before a sharp deterioration to -17.25% in Q4'24 and a low of -26.57% in Q3'25. The overall pattern reflects high volatility and operational challenges, with consistent losses until the final quarter's inflection to profitability, suggesting emerging scalability in the company's business model.