Zymeworks (ZYME) Tax Rate (2021 - 2026)

Zymeworks has disclosed Tax Rate across 6 years of filings, most recently posting 4.73% for Q1 2026.

• Tax Rate for Q1 2026 came in at 4.73%, up 697.0% year-over-year; the trailing twelve-month figure through Mar 2026 was 1.26% (up 733.0% YoY), and the FY2025 annual result was 1.73%, up 349.0% from the prior year.
• Tax Rate came in at 4.73% for Q1 2026 at Zymeworks, up from 0.65% in the prior quarter.
• In the past five years, Tax Rate ranged from a high of 24.59% in Q4 2023 to a low of 32.12% in Q4 2024.
• The 5-year median for Tax Rate is 0.24% (2024), against an average of 1.85%.
• Across the five-year window, Tax Rate plunged 5671 bps in 2024 and surged 3277 bps in 2025, its largest moves.
• Zymeworks' Tax Rate stood at 3.43% in 2022, then soared by 616 bps to 24.59% in 2023, then plunged by 231 bps to 32.12% in 2024, then jumped by 102 bps to 0.65% in 2025, then jumped by 626 bps to 4.73% in 2026.
• The last three Tax Rate figures came in at 4.73% (Q1 2026), 0.65% (Q4 2025), and 7.31% (Q3 2025), per Business Quant data.