Flagship explainer

How COSTAR GROUP, INC. 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$3.2B · 100%Cost of revenue$686M · 21%Gross profit$2.6B · 79%Operating income−$72M · −2%Income before tax$30M · 1%Income tax$23M · 1%Net income$7M · 0%As of 2025-12-31 · 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
$3.2B100%
Cost of revenue$686M21%
$2.6B79%
−$72M−2%
Income before tax$30M1%
Income tax$23M1%
$7M0%
Source: · event Dec 31, 2025 · retrieved Jul 26, 2026 · annual-row source set
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