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Ironwood Pharmaceuticals (IRWD) Tax Rate (2020 - 2026)

Ironwood Pharmaceuticals' Tax Rate history spans 8 years, with the latest figure at 41.59% for Q4 2025.

  • On a quarterly basis, Tax Rate fell 2641.0% to 41.59% in Q4 2025 year-over-year; TTM through Dec 2025 was 3.17%, a 6627.0% increase, with the full-year FY2025 number at 3.23%, up 6634.0% from a year prior.
  • Tax Rate hit 41.59% in Q4 2025 for Ironwood Pharmaceuticals, down from 41.02% in the prior quarter.
  • Over the last five years, Tax Rate for IRWD hit a ceiling of 183.95% in Q1 2024 and a floor of 619.68% in Q2 2021.
  • Historically, Tax Rate has averaged 3.87% across 5 years, with a median of 24.32% in 2023.
  • Biggest five-year swings in Tax Rate: surged 65074bps in 2022 and later plummeted -18698bps in 2025.
  • Tracing IRWD's Tax Rate over 5 years: stood at 10.61% in 2021, then crashed by -653bps to 58.65% in 2022, then skyrocketed by 135bps to 20.62% in 2023, then tumbled by -174bps to 15.18% in 2024, then tumbled by -174bps to 41.59% in 2025.
  • Business Quant data shows Tax Rate for IRWD at 41.59% in Q4 2025, 41.02% in Q3 2025, and 37.54% in Q2 2025.