CoStar Group, Inc. 2025 Annual Report (10-K) Summary
Business Context and Reporting Period
This filing is the Annual Report on Form 10-K for CoStar Group, Inc. for the fiscal year ended December 31, 2025. CoStar Group is a leading provider of online real estate marketplaces, information, analytics, and 3D digital twin technology. The company operates in two reportable segments: Commercial Real Estate and Residential Real Estate. In Q4 2025, the company changed its segment reporting from geography-based to product portfolio-based.
Key strategic developments in 2025 included the completion of the Matterport Acquisition (February 2025) and the Domain Acquisition (August 2025), significantly expanding the company's footprint in 3D spatial data and the Australian residential market.
Key Financial Metrics
| Metric | 2025 | 2024 | Change |
|---|---|---|---|
| Total Revenue | $3,247 million | $2,736 million | +19% |
| Net Income | $7 million | $139 million | -95% |
| Adjusted EBITDA | $442 million | $241 million | +83% |
| Operating Income (Loss) | ($72) million | $5 million | NM |
| Cash, Cash Equivalents, Restricted Cash | $1,733 million | $4,681 million | -63% |
| Long-Term Debt (Principal) | $1,000 million | $1,000 million | 0% |
| Goodwill & Intangibles | $6,715 million | $2,961 million | +127% |
Note: "NM" indicates Not Meaningful due to the shift from profit to loss.
Material Changes vs. Prior Period
- Revenue Growth: Revenue increased by $511 million (19%), driven by the Matterport and Domain acquisitions. Commercial Real Estate revenue grew 18% to $1.8 billion, while Residential Real Estate revenue grew 20% to $1.5 billion.
- Profitability Compression: Despite revenue growth, Net Income collapsed to $7 million from $139 million. This was primarily due to a significant increase in operating expenses ($460 million increase) and a sharp decline in interest income ($103 million decrease) as cash reserves were deployed for acquisitions and share repurchases.
- Operating Expenses: Total operating expenses rose 21% to $2.6 billion. Key drivers included increased personnel costs from acquisitions, higher software development costs, and a 168% increase in customer base amortization ($118 million) due to new intangible assets.
- Segment Performance:
- Commercial Real Estate: Adjusted EBITDA increased to $672 million.
- Residential Real Estate: Adjusted EBITDA improved to a loss of ($230) million from ($361) million, though the segment remains unprofitable on an adjusted basis.
- Liquidity: Cash and cash equivalents decreased by approximately $3 billion, primarily due to $2.8 billion in investing activities (acquisitions) and $500 million in stock repurchases.
Guidance, Outlook, and Risks
- 2026 Outlook: Management expects Commercial Real Estate revenue growth to moderate in 2026 due to the lack of a full-year benefit from the Matterport acquisition. Conversely, Residential Real Estate revenue growth is expected to accelerate due to a full year of Domain and increased Homes.com members.
- Capital Allocation: The company completed a $500 million stock repurchase program in 2025. In December 2025, the Board approved a new $1.5 billion stock repurchase program. Management expects to repurchase approximately $700 million in 2026, including a $500 million accelerated share repurchase (ASR) in Q1 2026.
- Strategic Priorities: Focus areas for 2026 include integrating residential platforms (deploying Homes.com in Australia/UK), launching AI-enabled features across the portfolio, and expanding LoopNet and CoStar internationally.
- Key Risks:
- Acquisition Integration: Risks related to realizing synergies and managing costs for Matterport and Domain.
- Regulatory Environment: Evolving AI regulations (EU AI Act), data privacy laws (GDPR, CCPA), and antitrust scrutiny.
- Market Cyclicality: Exposure to real estate market downturns, interest rate fluctuations, and economic uncertainty.
- Cybersecurity: Risks of data breaches and system disruptions affecting proprietary data and operations.
- Contingencies: A significant litigation accrual of $99 million exists related to the Matterport acquisition (Brown Judgment), with potential additional interest exposure.
Investor Verification Checklist
- Verify the integration progress and revenue contribution of the Matterport and Domain acquisitions in upcoming quarterly reports.
- Monitor the Residential Real Estate segment's path to profitability, as it currently reports a significant Adjusted EBITDA loss.
- Review the execution of the new $1.5 billion share repurchase program and its impact on cash reserves.
- Assess the impact of increased amortization expenses on future GAAP net income as new intangible assets are amortized.
- Track the status of the Matterport-related litigation and any potential changes to the $99 million accrual.
- Confirm compliance with new AI and data privacy regulations in the EU and US, which may impact operational costs.