10-K annual report · filed Feb 26, 2026

CoStar Group (CSGP) FY2025 10-K Annual Report

Short answer

CoStar Group (CSGP) filed its fiscal 2025 10-K annual report with the SEC on Feb 26, 2026. It reported revenue of $3.2B (+18.7% year over year) and net income of $7M.

  • Top risk flagged: EU AI Act enforcement from Aug 2026: fines up to 7% of worldwide annual turnover for non-compliance with risk-based AI governance rules

FY2025 key financial metrics · XBRL

Revenue
$3.2B
+18.7% YoY
Net income
$7M
−95.0% YoY
Operating margin
-2.2%
−2.4 pp YoY
Gross margin
78.9%
−0.7 pp YoY
EPS (diluted)
$0.02
−94.1% YoY
ROE
0.1%
−1.8 pp YoY
Operating cash flow
$430M
+9.5% YoY

Source: XBRL data from the CoStar Group (CSGP) FY2025 10-K on SEC EDGAR. USD.

CoStar Group FY2025 10-K analysis

AI summary of each section, grounded in the filing text

Business Overview

  • Online real estate marketplace and data/analytics platform serving commercial and residential property markets across U.S., Australia, Europe, Canada, and Asia-Pacific
  • Three acquisitions integrated: Visual Lease (Nov 2024), Matterport 3D digital twin technology (Feb 2025), and Domain Australian marketplace (Aug 2025)
  • Segment structure overhauled Q4 2025 from geography-based to product portfolio-based (Commercial Real Estate vs Residential Real Estate) to align with CODM internal reporting
  • Workforce of ~8,441 employees across 20 countries as of Jan 31, 2026, with 78% (6,602) U.S.-based
  • Homes.com now features "Homes AI": voice/text conversational search drawing on Matterport 3D tours, proprietary school data, and market intelligence, representing notable AI-native product differentiation in residential

Management Discussion & Analysis

  • Revenue $3.247B, up $511M (+19%) YoY; Commercial Real Estate +18% to $1.787B, Residential +20% to $1.460B
  • Gross margin 79% vs 80% prior year; operating loss $(72)M vs breakeven; selling & marketing 48% vs 50% of revenue
  • Best segment: Commercial Real Estate Adjusted EBITDA $672M (+$70M YoY); worst: Residential Adjusted EBITDA loss $(230)M, though improved $131M YoY
  • Operating cash flow $430M vs $393M; $500M shares repurchased (7.1M shares); $1.5B new buyback program authorized; $155M remaining campus construction obligations
  • 2026 outlook: ~$700M planned buybacks including $500M ASR in Q1; CRE revenue growth expected to moderate; Residential growth expected to accelerate via Domain full-year contribution and Homes.com member growth

Risk Factors

  • EU AI Act enforcement from Aug 2026: fines up to 7% of worldwide annual turnover for non-compliance with risk-based AI governance rules
  • Matterport hardware supply chain relies on single-source suppliers in China, exposed to recent US tariffs disrupting component access
  • AI-powered platforms and generative AI tools lowering entry barriers, threatening CoStar's marketplace traffic and advertiser revenue
  • Key-person dependency on Founder/CEO Andrew Florance: loss cited as potential "material adverse impact on operations"
  • $1.0B Senior Notes outstanding plus $1.1B undrawn credit facility; net leverage covenant capped at 4.50x EBITDA under 2024 Credit Agreement

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