What is the primary revenue source for Costco Wholesale (COST)?

According to the latest financial reports, the company's revenue is driven by its core business segments and operational services. You can explore the exact breakdown and proportions of each revenue stream using the interactive charts on this page.

How can I visualize and analyze COST's financial statements?

gkcal provides interactive Sankey diagrams and profit waterfall charts that map out Costco Wholesale's total revenue, cost of goods sold, operating expenses, and net income, making it easy to understand their business model and cash flow at a glance.

How Costco Wholesale Makes Money: COST Revenue Breakdown (2026)

YoY periods: FY 2026 compared with FY 2025

Source metrics

Net shareholder returndividends_paid + share_repurchases - stock_issuance_proceeds
Cash dividendsPayments of ordinary dividends, common stock · PaymentsOfDividendsCommonStock · abs(node_value)
Share repurchasesPayments for repurchase of common stock · PaymentsForRepurchaseOfCommonStock · abs(node_value)

Diluted share count is missing, so dilution cannot be assessed against buybacks.

Financial Insights

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Where did the money come from, and where was it spent?

Where is the money tied up, and how is the company financed?

Did accounting profit ultimately turn into cash?

Did the money earned actually make its way back to shareholders?