CoStar Group Inc Market Cap ($11.95 Billion)
Market Cap & Net Worth: CoStar Group Inc (CSGP)
CoStar Group Inc market cap. CoStar Group Inc (NASDAQ:CSGP) has a market capitalization of $11.95 Billion ($11.95 Billion) as of November 5, 2026. Listed on the NASDAQ stock exchange, this USA-based company holds position #1897 globally and #724 in its home market, demonstrating a -7.06% decrease in market value over the past year.
Market capitalization, also known as net worth in stock markets, is calculated by multiplying CoStar Group Inc's stock price $31.32 by its total outstanding shares 405197588 (405.20 Million). Also see CoStar Group Inc (CSGP) cash flow conversion for how efficiently the company converts equity into cash flow.
CoStar Group Inc Market Cap History (2015–2026)
CoStar Group Inc market cap history from 2015 to 2026. Data shows growth from $8.38 Billion to $12.69 Billion (4.84% CAGR). Check CoStar Group Inc stock quote for real-time trading data and today's change.
Index Memberships
CoStar Group Inc is a constituent of 3 market indices:
| Index | Total Market Cap | Weight (%) | Rank by Market Cap |
|---|---|---|---|
|
S&P 500 Index
GSPC
|
$61.76 Trillion | 0.07% | #437 of 503 |
|
NASDAQ Composite
IXIC
|
$40.20 Trillion | 0.03% | #220 of 3165 |
|
Nasdaq 100
NDX
|
$33.79 Trillion | 0.04% | #98 of 101 |
Weight: CoStar Group Inc's market cap as a percentage of total index value. Rank: Position among all constituents by market cap.
CoStar Group Inc Market Cap to Earnings & Revenue Ratios Timeline
This chart shows how CoStar Group Inc's valuation ratios have evolved. The Price to Sales (P/S) ratio compares market cap to revenue, while the Price to Earnings (P/E) ratio compares market cap to net income. Lower values may indicate a more undervalued company relative to its financial performance. Explore CoStar Group Inc equity growth rate to track how rapidly the company is growing its equity base year over year.
Latest Price to Sales (P/S) Ratio
8.39x
CoStar Group Inc's market cap is 8.39 times its annual revenue
Latest Price to Earnings (P/E) Ratio
3892.21x
CoStar Group Inc's market cap is 3892.21 times its annual earnings
What These Ratios Tell Investors:
- Price to Sales (P/S) Ratio: Shows how much investors are paying for each dollar of the company's sales. Lower P/S ratios may indicate undervaluation.
- Price to Earnings (P/E) Ratio: Shows how much investors are paying for each dollar of the company's earnings. This is one of the most common valuation metrics.
- Trends in these ratios over time can indicate changing investor sentiment about the company's future growth prospects.
- Industry comparison provides context for whether the company is valued higher or lower than peers.
| Year | Market Cap (USD) | Revenue (USD) | Net Income (USD) | P/S Ratio | P/E Ratio |
|---|---|---|---|---|---|
| 2016 | $7.64 Billion | $837.63 Million | $85.07 Million | 9.12x | 89.78x |
| 2017 | $12.03 Billion | $965.23 Million | $122.69 Million | 12.47x | 98.07x |
| 2018 | $13.67 Billion | $1.19 Billion | $238.33 Million | 11.47x | 57.35x |
| 2019 | $24.24 Billion | $1.40 Billion | $314.96 Million | 17.32x | 76.97x |
| 2020 | $37.45 Billion | $1.66 Billion | $227.13 Million | 22.57x | 164.89x |
| 2021 | $32.02 Billion | $1.94 Billion | $292.60 Million | 16.47x | 109.44x |
| 2022 | $31.31 Billion | $2.18 Billion | $369.50 Million | 14.35x | 84.75x |
| 2023 | $35.41 Billion | $2.46 Billion | $374.70 Million | 14.42x | 94.50x |
| 2024 | $29.01 Billion | $2.74 Billion | $138.70 Million | 10.60x | 209.14x |
| 2025 | $27.25 Billion | $3.25 Billion | $7.00 Million | 8.39x | 3892.21x |
Competitor Companies of CSGP by Market Capitalization
Companies near CoStar Group Inc in the global market cap rankings as of November 5, 2026. Also see CoStar Group Inc (CSGP) total assets for a full breakdown of the balance sheet.
Key companies related to CoStar Group Inc by market ranking:
- Vingroup JSC (VN:VIC): Ranked #425 globally with a market cap of $66.67 Billion USD ( ₫1754.71 Trillion VND).
- CBRE Group Inc Class A (NYSE:CBRE): Ranked #671 globally with a market cap of $39.68 Billion USD.
- DCI Indonesia Tbk PT (JK:DCII): Ranked #1076 globally with a market cap of $24.16 Billion USD ( Rp412.39 Trillion IDR).
- VONOVIA SE ADR 1/2/O.N (F:VNAA): Ranked #1171 globally with a market cap of $21.78 Billion USD ( €18.63 Billion EUR).
| Rank | Company | Symbol | Market Cap | Price |
|---|---|---|---|---|
| #425 | Vingroup JSC | VN:VIC | $66.67 Billion | ₫234000.00 |
| #671 | CBRE Group Inc Class A | NYSE:CBRE | $39.68 Billion | $135.52 |
| #1076 | DCI Indonesia Tbk PT | JK:DCII | $24.16 Billion | Rp173000.00 |
| #1171 | VONOVIA SE ADR 1/2/O.N | F:VNAA | $21.78 Billion | €11.50 |
Market Capitalization of CoStar Group Inc (2015–2026)
Market capitalization of CoStar Group Inc from 2015 to today. Between 2015 and today, CoStar Group Inc's market cap moved from $8.38 Billion to $ 12.69 Billion, with a yearly change of 4.84%.
| Year | Market Cap | Change (%) |
|---|---|---|
| 2026 | $12.69 Billion | -53.42% |
| 2025 | $27.25 Billion | -6.08% |
| 2024 | $29.01 Billion | -18.08% |
| 2023 | $35.41 Billion | +13.08% |
| 2022 | $31.31 Billion | -2.21% |
| 2021 | $32.02 Billion | -14.50% |
| 2020 | $37.45 Billion | +54.48% |
| 2019 | $24.24 Billion | +77.36% |
| 2018 | $13.67 Billion | +13.60% |
| 2017 | $12.03 Billion | +57.54% |
| 2016 | $7.64 Billion | -8.81% |
| 2015 | $8.38 Billion | -- |
End of Day Market Cap According to Different Sources
On Nov 4th, 2026 the market cap of CoStar Group Inc was reported to be:
| Source | Market Cap |
|---|---|
| Yahoo Finance | $11.95 Billion USD |
| MoneyControl | $11.95 Billion USD |
| MarketWatch | $11.95 Billion USD |
| marketcap.company | $11.95 Billion USD |
| Reuters | $11.95 Billion USD |
Market cap values may vary slightly between sources due to differences in calculation methods, timing, and data refresh rates.
About CoStar Group Inc
CoStar Group, Inc. provides information, analytics, and online marketplace services to real estate and related business communities in the United States, Australia, Canada, Europe, the Asia Pacific, and Latin America. It offers CoStar Property that provides inventory of office, industrial, retail, multifamily, hospitality, and student housing, and land properties; CoStar Leasing, a data on lease … Read more