CoStar Group (CSGP): financials, SEC filings and peers
CoStar Group (CSGP) is a real estate services company in the Real Estate sector of the S&P 500, headquartered in Washington, D.C..
It was founded in 1987 and joined the S&P 500 on September 19, 2022.
Its fiscal year ends in December, and its shares trade on the Nasdaq.
In its SEC filings it is classified as “Services-Business Services, NEC”.
CoStar Group at a glance
- Revenue (12 months)
- $3.7B
- Revenue growth
- +20.2%
- Operating margin
- 5.8%
- Net income (12 months)
- $179M
- Free cash flow (12 months)
- $422M
- Cash
- $500M
- Debt
- $1.0B
- Diluted EPS (12 months)
- $0.44
Twelve months to September 30, 2026, from the 10-Q filed October 28, 2026.
Latest twelve months
Over the twelve months to September 30, 2026, CoStar Group reported revenue of $3.7 billion, up 20.2% from a year earlier.
Its operating margin was 5.8%, up 8.4 percentage points from a year earlier: for every $100 of sales, about $6 was left as operating profit.
Net income was $179 million (4.9% of revenue), 790.5% higher than a year earlier.
Operating cash flow was $617 million and capital spending $195 million, leaving free cash flow of $422 million (11.5% of revenue).
At the end of the period it held $500 million in cash and $1.0 billion in debt, a net debt position of $500 million.
The diluted share count fell 4.3% in a year, typically the result of buybacks.
Five-year trend
- Revenue went from $1.7 billion in fiscal 2020 to $3.2 billion in fiscal 2025, about 14.4% a year.
- Revenue has grown for 5 fiscal years in a row.
- Operating margin narrowed from 17.4% to -2.2% over the same years.
- Free cash flow was negative in 1 of the last 6 fiscal years.
| Fiscal year | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Revenue | $1.9B | $2.2B | $2.5B | $2.7B | $3.2B |
| Revenue growth | 17.2% | 12.3% | 12.5% | 11.4% | 18.7% |
| Operating margin | 22.2% | 20.7% | 11.5% | 0.2% | -2.2% |
| Net income | $293M | $370M | $375M | $139M | $7M |
| Free cash flow | $346M | $444M | $372M | −$186M | $123M |
| Diluted EPS | $0.74 | $0.93 | $0.92 | $0.34 | $0.02 |
Fiscal years as reported in CoStar Group’s 10-K filings. Free cash flow is operating cash flow minus capital spending.
Recent SEC filings
- 10-Q filed October 28, 2026 — quarterly report
- 8-K filed October 27, 2026 — Material agreement; Earnings results
- 8-K filed August 21, 2026 — Regulation FD disclosure
- 10-Q filed July 29, 2026 — quarterly report
- 8-K filed July 28, 2026 — Earnings results
- 8-K filed July 13, 2026 — Executive or director change; Regulation FD disclosure
- 8-K filed June 25, 2026 — Executive or director change; Shareholder vote results
- 8-K filed May 29, 2026 — Material agreement; Regulation FD disclosure
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Questions about CoStar Group
Is CoStar Group's revenue growing?
Yes. Revenue for the twelve months to September 30, 2026 was $3.7 billion, up 20.2% from a year earlier, according to its SEC filings.
Is CoStar Group profitable?
Yes. It earned $179 million in net income over the twelve months to September 30, 2026, a net margin of 4.9%.
Does CoStar Group have more cash or more debt?
At September 30, 2026 it had $500 million in cash and $1.0 billion in debt, so more debt than cash.
When did CoStar Group last file financial results?
Its latest quarterly report (10-Q) was filed with the SEC on October 28, 2026.
Which companies are similar to CoStar Group?
In the S&P 500, CoStar Group is grouped in Real Estate Services within the Real Estate sector. CBRE Group (CBRE) are in the same group.
Understand the numbers
Source: CoStar Group’s filings with the U.S. Securities and Exchange Commission (EDGAR), retrieved November 11, 2026. Figures are as reported by the company and may be restated. This page is for information only and is not financial advice.