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Costco Wholesale (COST) Gross Margin (2016 - 2026)

Costco Wholesale filings provide 18 years of Gross Margin readings, the most recent being 12.76% for Q1 2026.

  • On a quarterly basis, Gross Margin rose 23.0% to 12.76% in Q1 2026 year-over-year; TTM through Feb 2026 was 12.93%, a 25.0% increase, with the full-year FY2025 number at 12.84%, up 23.0% from a year prior.
  • Gross Margin hit 12.76% in Q1 2026 for Costco Wholesale, down from 13.07% in the prior quarter.
  • In the past five years, Gross Margin ranged from a high of 13.07% in Q4 2025 to a low of 11.84% in Q3 2022.
  • Median Gross Margin over the past 5 years was 12.52% (2025), compared with a mean of 12.51%.
  • Biggest five-year swings in Gross Margin: tumbled -108bps in 2022 and later skyrocketed 48bps in 2023.
  • Costco Wholesale's Gross Margin stood at 12.25% in 2022, then grew by 4bps to 12.7% in 2023, then rose by 2bps to 12.94% in 2024, then increased by 1bps to 13.07% in 2025, then dropped by -2bps to 12.76% in 2026.
  • The last three reported values for Gross Margin were 12.76% (Q1 2026), 13.07% (Q4 2025), and 12.91% (Q3 2025) per Business Quant data.