Arrowhead Pharmaceuticals (ARWR) Tax Rate (2021 - 2026)

Arrowhead Pharmaceuticals' Tax Rate history runs 6 years deep, the most recent figure standing at 0.01% for Q1 2026.

• Quarterly Tax Rate fell 48.0% year-over-year to 0.01% in Q1 2026, while the trailing twelve-month figure through Mar 2026 was 7.78% (down 622.0% YoY) and the FY2025 annual result came in at 41.56%, up 4111.0% from the prior year.
• Tax Rate was 0.01% for Q1 2026 at Arrowhead Pharmaceuticals, down from 0.1% in the prior quarter.
• Across five years, Tax Rate topped out at 55.37% in Q3 2025 and bottomed at 4.61% in Q3 2022.
• A 5-year average of 4.64% and a median of 0.01% in 2026 frame the typical range for Tax Rate.
• Annual changes were most pronounced in 2022 — Tax Rate slumped 460 bps — and 2025, when it soared 5568 bps.
• Arrowhead Pharmaceuticals' Tax Rate stood at 4.61% in 2022, then surged by 152 bps to 2.39% in 2023, then slumped by 102 bps to 0.06% in 2024, then surged by 274 bps to 0.1% in 2025, then slumped by 105 bps to 0.01% in 2026.
• Business Quant data shows ARWR's Tax Rate at 0.01% in Q1 2026, 0.1% in Q4 2025, and 55.37% in Q3 2025.