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IonQ (IONQ) Tax Rate (2023 - 2026)

IonQ has reported Tax Rate over the past 3 years, most recently at 2.75% for Q4 2025.

  • For Q4 2025, Tax Rate rose 273.0% year-over-year to 2.75%; the TTM value through Dec 2025 reached 0.05%, down 2319.0%, while the annual FY2025 figure was 0.05%, 2319.0% down from the prior year.
  • Tax Rate for Q4 2025 was 2.75% at IonQ, up from 0.42% in the prior quarter.
  • Over five years, Tax Rate peaked at 7.92% in Q2 2025 and troughed at 0.09% in Q3 2023.
  • A 3-year average of 1.09% and a median of 0.02% in 2023 define the central range for Tax Rate.
  • On a YoY basis, Tax Rate climbed as much as 796bps in 2025 and fell as far as -2bps in 2025.
  • Year by year, Tax Rate stood at 0.02% in 2023, then surged by 172bps to 0.02% in 2024, then skyrocketed by 17725bps to 2.75% in 2025.
  • Business Quant data shows Tax Rate for IONQ at 2.75% in Q4 2025, 0.42% in Q3 2025, and 7.92% in Q2 2025.