Growth Metrics

Korro Bio (KRRO) Tax Rate (2020 - 2025)

Korro Bio's Tax Rate history spans 6 years, with the latest figure at 0.93% for Q4 2025.

  • For the quarter ending Q4 2025, Tax Rate rose 142.0% year-over-year to 0.93%, compared with a TTM value of 53.39% through Dec 2025, up 5356.0%, and an annual FY2025 reading of 53.39%, up 5356.0% over the prior year.
  • Tax Rate for Q4 2025 was 0.93% at Korro Bio, up from 0.0% in the prior quarter.
  • The five-year high for Tax Rate was 0.93% in Q4 2025, with the low at 0.49% in Q4 2024.
  • Average Tax Rate over 5 years is 0.03%, with a median of 0.01% recorded in 2021.
  • Year-over-year, Tax Rate fell -25bps in 2021 and then skyrocketed 142bps in 2025.
  • Tracing KRRO's Tax Rate over 5 years: stood at 0.01% in 2021, then surged by 3391bps to 0.31% in 2022, then crashed by -150bps to 0.15% in 2023, then tumbled by -218bps to 0.49% in 2024, then surged by 291bps to 0.93% in 2025.
  • Per Business Quant, the three most recent readings for KRRO's Tax Rate are 0.93% (Q4 2025), 0.0% (Q2 2025), and 0.49% (Q4 2024).