Costco Wholesale Reports Strong Q4 & Full Fiscal Year 2026 Earnings

Costco Wholesale Corporation (NASDAQ: COST) Q4 and FY 2026 Earnings Summary

1. Executive Summary

On September 24, 2026, Costco Wholesale Corporation filed Form 8-K under Item 2.02 (Results of Operations and Financial Condition), reporting financial results for its 16-week fourth quarter and 52-week fiscal year ended August 30, 2026.

2. Fourth Quarter Fiscal 2026 Performance

• Net Sales: $93.87 billion, up 11.2% from $84.43 billion in Q4 fiscal 2025.
• Membership Fees: $1.85 billion, up 7.3% from $1.72 billion in Q4 fiscal 2025.
• Total Revenue: $95.72 billion compared to $86.16 billion in the prior-year quarter.
• Operating Income: $3.80 billion, up 13.8% from $3.34 billion in Q4 fiscal 2025.
• Net Income: $2.998 billion ($6.75 per diluted share), compared to $2.610 billion ($5.87 per diluted share) in the prior-year period.
  • Q4 net income includes a net positive non-recurring benefit of $0.15 per diluted share associated with IEEPA tariff refunds received during the quarter, net of member value reinvestment.

3. Full-Year Fiscal 2026 Performance

• Net Sales: $297.25 billion, up 10.1% from $269.91 billion in fiscal 2025.
• Membership Fees: $5.91 billion vs. $5.32 billion in fiscal 2025.
• Operating Income: $11.69 billion compared to $10.38 billion in fiscal 2025.
• Net Income: $9.226 billion ($20.76 per diluted share) versus $8.099 billion ($18.21 per diluted share) in fiscal 2025.

4. Comparable Sales Breakdown

• Q4 Comparable Sales:
  • U.S.: 10.7% (Adjusted: 7.2%)
  • Canada: 5.0% (Adjusted: 4.6%)
  • Other International: 7.0% (Adjusted: 6.2%)
  • Total Company: 9.4% (Adjusted: 6.7%)
  • Digitally-Enabled: 19.5% (Adjusted: 19.8%)
• Full-Year Comparable Sales:
  • Total Company reported comp sales grew 8.4% (6.6% adjusted).
  • Digitally-enabled comp sales rose 20.9% (20.7% adjusted).

5. Operational Footprint

As of the report date, Costco operates 939 warehouses worldwide (including 647 in the U.S. and Puerto Rico, 115 in Canada, 43 in Mexico, and 134 across other international markets) and runs e-commerce operations across nine major countries.