8-K: Costco Reports Strong Q2 Fiscal 2026 Earnings, Sales Surge

Costco Wholesale Corporation announced robust second quarter and year-to-date fiscal 2026 operating results, driven by significant sales and membership growth.

Summary

• Net sales for the second quarter increased 9.1% to $68.24 billion, up from $62.53 billion in the prior year.
• Net income for the quarter rose 13.8% to $2,035 million, or $4.58 per diluted share, compared to $1,788 million, or $4.02 per diluted share, last year.
• Comparable sales for the second quarter grew 7.4% overall, with adjusted comparable sales (excluding gasoline and foreign exchange impacts) at 6.7%.
• Digitally-enabled comparable sales saw a substantial increase of 22.6%, or 21.7% adjusted for foreign exchange.
• Membership fees increased 13.6% to $1,355 million for the quarter.
• Worldwide membership renewal rate stood at 89.7%, with the U.S./Canada renewal rate at 92.1%.
• Paid memberships grew 4.8% to 82.1 million, and total cardholders increased 4.7% to 147.2 million.
• The company currently operates 924 warehouses globally and plans to open an estimated 18 additional warehouses by the end of fiscal year 2026.

Sentiment

Score: 9

Explanation: StockSavvy.ai views this as a highly positive report, reflecting strong financial performance across key metrics, robust membership engagement, and successful digital transformation efforts. The consistent growth and operational efficiency are commendable.

Positives

• Net sales for Q2 fiscal 2026 increased 9.1% to $68.24 billion, demonstrating strong top-line growth.
• Net income for Q2 fiscal 2026 grew 13.8% to $2,035 million, indicating improved profitability.
• Diluted earnings per share (EPS) increased 13.9% to $4.58, reflecting enhanced shareholder value.
• Total Company comparable sales rose 7.4%, with adjusted comparable sales up 6.7%, showing healthy organic growth.
• Digitally-enabled comparable sales surged 22.6% (21.7% adjusted), highlighting successful e-commerce expansion and engagement.
• Membership fees increased 13.6% to $1,355 million, underscoring strong member loyalty and value proposition.
• High worldwide membership renewal rate of 89.7% and U.S./Canada renewal rate of 92.1% indicate strong customer retention.
• Paid memberships grew 4.8% to 82.1 million, expanding the customer base.
• Operating income for the quarter increased 12.5% to $2,606 million.
• Gross Margin improved by 17 basis points (11 bps excluding gas impact) compared to Q2 FY25.
• SG&A as a percentage of sales decreased by 13 basis points (8 bps excluding gas impact), indicating operational efficiency.
• Significant growth in digital metrics, including +63% in total App visits, +32% in Ecommerce Site Traffic, and +15% in Ecommerce Average Order Value.
• Continued warehouse expansion with 3 new openings in Q2 and an estimated 18 more for the rest of FY26.

Risks

• Domestic and international economic conditions, including exchange rates, inflation or deflation.
• Effects of competition and regulation.
• Uncertainties in the financial markets.
• Consumer and small business spending patterns and debt levels.
• Breaches of security or privacy of member or business information.
• Conditions affecting the acquisition, development, ownership or use of real estate.
• Capital spending fluctuations.
• Actions of vendors.
• Rising costs associated with employees (including health-care costs and wages), workforce interruptions, energy, and certain commodities.
• Geopolitical conditions, including tariffs.
• Ability to maintain effective internal control over financial reporting.
• Regulatory and other impacts related to environmental and social matters.
• Public-health related factors.

Future Outlook

The company anticipates continued warehouse expansion, with an estimated 18 new locations planned for the remainder of fiscal year 2026. Management also highlighted ongoing digital enhancements, including personalized shopping experiences and marketing, and modernized product display pages.

Management Comments

• Gary Millerchip, Executive Vice President and Chief Financial Officer, signed the report on behalf of Costco Wholesale Corporation.

Industry Context

StockSavvy.ai notes that Costco's strong performance, particularly in comparable sales and digital growth, indicates its continued resilience and ability to capture market share in a competitive retail landscape. The robust membership renewal rates and growth in paid memberships suggest that its value proposition remains highly attractive to consumers, even amidst broader economic uncertainties. The focus on digital enhancements aligns with broader industry trends of increasing e-commerce penetration and personalized customer experiences.

Comparison to Industry Standards

• The filing does not provide specific comparable companies, projects, or results for direct industry benchmarking. However, Costco's reported comparable sales growth of 7.4% (6.7% adjusted) and digitally-enabled sales growth of 22.6% (21.7% adjusted) are generally considered strong within the retail and warehouse club sector, often outpacing many traditional retailers and demonstrating effective operational execution in a challenging environment.

Stakeholder Impact

• Shareholders are likely to benefit from strong financial performance, including increased net income and diluted EPS, indicating a healthy return on investment.
• Customers and members benefit from continued value offerings, as evidenced by new items and lowering everyday low prices, alongside enhanced digital shopping experiences.
• Employees may see potential benefits from rising costs associated with employees (including health-care costs and wages) mentioned as a risk, suggesting ongoing investment in the workforce.
• Suppliers may experience increased demand due to Costco's sales growth and warehouse expansion.

Next Steps

• A conference call to discuss these results is scheduled for March 5, 2026, at 2:00 p.m. (PT).
• The company plans to open an estimated 18 additional warehouses during the remainder of fiscal year 2026.

Key Dates

Recommendation

Costco's Q2 fiscal 2026 results demonstrate exceptional strength across all key performance indicators, including robust sales growth, significant profit increases, and impressive digital expansion. The high membership renewal rates and consistent growth in paid memberships underscore the company's strong competitive moat and customer loyalty. Operational efficiencies, evidenced by improved gross margin and reduced SG&A, further enhance profitability. The planned continued warehouse expansion and digital enhancements position the company for sustained future growth. Given these strong fundamentals and positive outlook, a seasoned investor would view Costco as a compelling 'strong buy'.

Keywords

Costco, COST, Earnings, Financial Results, Retail, Wholesale, Membership, Sales, E-commerce, Warehouse Club, Q2 2026, Fiscal 2026