The Costco earnings September 2026 quarterly report arrives this Wednesday, September 24 — and for the Costco member who cares about more than just stock price movements, the Q4 fiscal 2026 earnings call contains commercially specific information that directly affects the warehouse experience, the membership value, and the specific products and services that Costco will be expanding in fiscal 2027. Most Costco members never read the earnings report. Most do not realize that t

On March 5, 2026, Costco Wholesale Corporation released its second quarter fiscal 2026 earnings results — and the numbers were, by any reasonable standard of business performance measurement, extraordinary. Net sales for the quarter increased 9.1 percent to $68.24 billion, from $62.53 billion the year before. Net sales for the first 24 weeks of fiscal 2026 increased 8.7 percent to $134.22 billion, from $123.52 billion last year. SoPost Net income for the quarter reached $2.03