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

Costco Wholesale's Gross Margin history runs 18 years deep, the most recent figure standing at 12.76% for Q1 2026.

• Quarterly Gross Margin rose 23.0% year-over-year to 12.76% in Q1 2026, while the trailing twelve-month figure through Feb 2026 was 12.93% (up 25.0% YoY) and the FY2025 annual result came in at 12.84%, up 23.0% from the prior year.
• Gross Margin was 12.76% for Q1 2026 at Costco Wholesale, down from 13.07% in the prior quarter.
• Across five years, Gross Margin topped out at 13.07% in Q4 2025 and bottomed at 11.84% in Q3 2022.
• A 5-year average of 12.51% and a median of 12.52% in 2025 frame the typical range for Gross Margin.
• Annual changes were most pronounced in 2022 — Gross Margin sank 108 bps — and 2023, when it surged 48 bps.
• Costco Wholesale's Gross Margin stood at 12.25% in 2022, then gained by 4 bps to 12.7% in 2023, then climbed by 2 bps to 12.94% in 2024, then increased by 1 bps to 13.07% in 2025, then retreated by 2 bps to 12.76% in 2026.
• Business Quant data shows COST's Gross Margin at 12.76% in Q1 2026, 13.07% in Q4 2025, and 12.91% in Q3 2025.