Fortinet (FTNT) Tax Rate (2010 - 2026)

Fortinet's Tax Rate history runs 17 years deep, the most recent figure standing at 18.58% for Q1 2026.

• In Q1 2026, Tax Rate changed 0.0% year-over-year to 18.58%; the TTM figure through Mar 2026 stood at 19.2% (down 254.0% YoY), while the FY2025 annual figure was 19.24%, up 545.0% from the prior year.
• Tax Rate was 18.58% for Q1 2026 at Fortinet, down from 22.25% in the prior quarter.
• In the past five years, Tax Rate ranged from a high of 22.91% in Q4 2023 to a low of 189.3% in Q4 2024.
• Historically, Tax Rate has averaged 0.37% across 5 years, with a median of 11.44% in 2024.
• The sharpest annual moves came in 2024 and 2025: Tax Rate slumped 21221 bps in 2024, then surged 21155 bps in 2025.
• A 5-year view of Tax Rate shows it stood at 2.5% in 2022, then surged by 817 bps to 22.91% in 2023, then plunged by 926 bps to 189.3% in 2024, then surged by 112 bps to 22.25% in 2025, then dropped by 16 bps to 18.58% in 2026.
• The last three Tax Rate figures came in at 18.58% (Q1 2026), 22.25% (Q4 2025), and 20.29% (Q3 2025), per Business Quant data.