Mirum Pharmaceuticals (MIRM) Tax Rate (2019 - 2026)

Mirum Pharmaceuticals' Tax Rate history runs 8 years deep, the most recent figure standing at 0.06% for Q1 2026.

• On a quarterly basis, Tax Rate rose 748.0% year-over-year to 0.06% in Q1 2026; TTM through Mar 2026 was 0.17%, a 172.0% increase from a year earlier, with the FY2025 full-year figure at 9.04%, down 785.0% from the prior year.
• Tax Rate improved to 0.06% in Q1 2026 per MIRM's latest filing, from 15.45% in the prior quarter.
• Across five years, Tax Rate topped out at 19.62% in Q2 2022 and bottomed at 15.45% in Q4 2025.
• The 5-year median for Tax Rate is 0.67% (2023), against an average of 1.72%.
• Across the five-year window, Tax Rate soared 1964 bps in 2022 and slumped 2005 bps in 2023, its largest moves.
• Year by year, Tax Rate stood at 0.39% in 2022, then plunged by 65 bps to 0.63% in 2023, then jumped by 472 bps to 2.36% in 2024, then sank by 754 bps to 15.45% in 2025, then soared by 100 bps to 0.06% in 2026.
• Per Business Quant, the three latest MIRM Tax Rate figures stand at 0.06% (Q1 2026), 15.45% (Q4 2025), and 9.91% (Q3 2025).