IonQ, Inc. (IONQ) Tax Rate (2023 - 2026)

IonQ's Tax Rate history runs 4 years deep, the most recent figure standing at 0.8% for Q1 2026.

• In Q1 2026, Tax Rate fell 76.0% year-over-year to 0.8%; the TTM figure through Mar 2026 stood at 45.02% (down 4585.0% YoY), while the FY2025 annual figure was 20.98%, down 216.0% from the prior year.
• Tax Rate for Q1 2026 stood at 0.8%, up from 13.33% in the prior quarter.
• The five-year high for Tax Rate was 7.94% in Q2 2025, with the low at 13.33% in Q4 2025.
• The 4-year median for Tax Rate is 0.03% (2024), against an average of 0.54%.
• Peak annual rise in Tax Rate reached 798 bps in 2025, while the deepest fall reached 1335 bps in 2025.
• IonQ's Tax Rate stood at 0.01% in 2023, then soared by 98 bps to 0.02% in 2024, then tumbled by 86666 bps to 13.33% in 2025, then surged by 94 bps to 0.8% in 2026.
• Business Quant data shows IONQ's Tax Rate at 0.8% in Q1 2026, 13.33% in Q4 2025, and 0.42% in Q3 2025.