F5 (FFIV) Tax Rate (2009 - 2026)

F5 has disclosed Tax Rate across 18 years of filings, most recently posting 21.91% for Q1 2026.

• Tax Rate for Q1 2026 came in at 21.91%, up 692.0% year-over-year; the trailing twelve-month figure through Mar 2026 was 15.71% (down 203.0% YoY), and the FY2025 annual result was 14.35%, down 416.0% from the prior year.
• Tax Rate came in at 21.91% for Q1 2026 at F5, up from 19.23% in the prior quarter.
• In the past five years, Tax Rate ranged from a high of 25.14% in Q1 2023 to a low of 10.4% in Q3 2022.
• The 5-year median for Tax Rate is 18.44% (2024), against an average of 17.81%.
• Across the five-year window, Tax Rate soared 1307 bps in 2022 and tumbled 735 bps in 2025, its largest moves.
• F5's Tax Rate stood at 24.51% in 2022, then dropped by 16 bps to 20.65% in 2023, then decreased by 1 bps to 20.38% in 2024, then slipped by 6 bps to 19.23% in 2025, then grew by 14 bps to 21.91% in 2026.
• The last three Tax Rate figures came in at 21.91% (Q1 2026), 19.23% (Q4 2025), and 11.43% (Q3 2025), per Business Quant data.