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.

• On a quarterly basis, Tax Rate changed 0.0% year-over-year to 18.58% in Q1 2026; TTM through Mar 2026 was 19.2%, a 254.0% decrease from a year earlier, with the FY2025 full-year figure at 19.24%, up 545.0% from the prior year.
• Tax Rate retreated to 18.58% in Q1 2026 per FTNT's latest filing, from 22.25% in the prior quarter.
• Across five years, Tax Rate topped out at 22.91% in Q4 2023 and bottomed at 189.3% in Q4 2024.
• The 5-year median for Tax Rate is 11.44% (2024), against an average of 0.37%.
• Across the five-year window, Tax Rate slumped 21221 bps in 2024 and jumped 21155 bps in 2025, its largest moves.
• Year by year, Tax Rate stood at 2.5% in 2022, then surged by 817 bps to 22.91% in 2023, then slumped 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.
• Per Business Quant, the three latest FTNT Tax Rate figures stand at 18.58% (Q1 2026), 22.25% (Q4 2025), and 20.29% (Q3 2025).