Flagship explainer

How COSTCO WHOLESALE CORP /NEW makes its money

Start with a dollar of revenue and follow what the filing says remains.

revenueBranching filed flows with values and percentages directly labeled. Missing filing concepts are omitted rather than estimated.Revenue$303.2B · 100%Cost of revenue$264.3B · 87%Gross profit$38.9B · 13%Operating income$11.7B · 4%Income before tax$12.3B · 4%Income tax$3.0B · 1%Net income$9.2B · 3%As of 2026-08-30 · 1 SEC filing sourceBuy Like Buffett · buylikebuffett.com

Honest partial: the filing did not provide a normalized tag for Research and development, Selling, general and administrative; those components are omitted, not plugged.

Table alternative
Filed lineValue% of revenueSource
$303.2B100%
Cost of revenue$264.3B87%
$38.9B13%
$11.7B4%
Income before tax$12.3B4%
Income tax$3.0B1%
$9.2B3%
Source: · event Aug 30, 2026 · retrieved Oct 15, 2026 · annual-row source set
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