Costco Wholesale (COST) Gross Margin (2009 - 2026)

Costco Wholesale has reported Gross Margin for 18 years, with the latest figure at 12.76% in Q1 2026.

• For the quarter ending Q1 2026, Gross Margin rose 23.0% year-over-year to 12.76%; the trailing twelve-month figure through Feb 2026 stood at 12.93% (up 25.0% YoY), and the FY2025 full-year result was 12.84%, up 23.0% from the prior year.
• Gross Margin for Q1 2026 stood at 12.76%, down from 13.07% in the prior quarter.
• The five-year high for Gross Margin was 13.07% in Q4 2025, with the low at 11.84% in Q3 2022.
• Historically, Gross Margin has averaged 12.51% across 5 years, with a median of 12.52% in 2025.
• Annual changes were most pronounced in 2022 — Gross Margin slumped 108 bps — and 2023, when it surged 48 bps.
• Costco Wholesale's Gross Margin stood at 12.25% in 2022, then increased by 4 bps to 12.7% in 2023, then gained by 2 bps to 12.94% in 2024, then climbed by 1 bps to 13.07% in 2025, then declined by 2 bps to 12.76% in 2026.
• The last three Gross Margin figures came in at 12.76% (Q1 2026), 13.07% (Q4 2025), and 12.91% (Q3 2025), per Business Quant data.