CoStar Group Inc
CoStar Group, Inc. provides information, analytics, and online marketplace services in the United States, Canada, Europe, the Asia Pacific, and Latin America. It offers CoStar Property that provides inventory of office, industrial, retail, multifamily, hospitality, and student housing properties and land; CoStar Leasing, a data on lease transactions and tools to manage user-entered lease data; Co… Read more
Market Cap & Net Worth: CoStar Group Inc (CSGP)
CoStar Group Inc (NASDAQ:CSGP) has a market capitalization of $18.49 Billion ($18.49 Billion) as of March 18, 2026. Listed on the NASDAQ stock exchange, this USA-based company holds position #1069 globally and #828 in its home market, demonstrating a -9.84% 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 $43.62 by its total outstanding shares 423822791 (423.82 Million).
CoStar Group Inc Market Cap History: 2015 to 2026
CoStar Group Inc's market capitalization history from 2015 to 2026. Data shows growth from $8.76 Billion to $18.49 Billion (8.54% CAGR).
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
|
$53.10 Trillion | 0.07% | #372 of 503 |
|
NASDAQ Composite
IXIC
|
$33.26 Trillion | 0.05% | #149 of 3165 |
|
Nasdaq 100
NDX
|
$27.96 Trillion | 0.07% | #91 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.
Latest Price to Sales (P/S) Ratio
11.09x
CoStar Group Inc's market cap is 11.09 times its annual revenue
286.56x
Lower than industry averageLatest Price to Earnings (P/E) Ratio
218.76x
CoStar Group Inc's market cap is 218.76 times its annual earnings
2.90x
Higher than industry averageWhat 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 |
|---|---|---|---|---|---|
| 2015 | $8.76 Billion | $711.76 Million | -$3.46 Million | 12.31x | N/A |
| 2016 | $7.99 Billion | $837.63 Million | $85.07 Million | 9.54x | 93.91x |
| 2017 | $12.59 Billion | $965.23 Million | $122.69 Million | 13.04x | 102.57x |
| 2018 | $14.30 Billion | $1.19 Billion | $238.33 Million | 12.00x | 59.99x |
| 2019 | $25.36 Billion | $1.40 Billion | $314.96 Million | 18.12x | 80.51x |
| 2020 | $39.17 Billion | $1.66 Billion | $227.13 Million | 23.61x | 172.47x |
| 2021 | $33.49 Billion | $1.94 Billion | $292.60 Million | 17.23x | 114.47x |
| 2022 | $32.75 Billion | $2.18 Billion | $369.50 Million | 15.01x | 88.64x |
| 2023 | $37.04 Billion | $2.46 Billion | $374.70 Million | 15.09x | 98.85x |
| 2024 | $30.34 Billion | $2.74 Billion | $138.70 Million | 11.09x | 218.76x |
Competitor Companies of CSGP by Market Capitalization
Companies near CoStar Group Inc in the global market cap rankings as of March 18, 2026.
Key companies related to CoStar Group Inc by market ranking:
- CBRE Group Inc Class A (NYSE:CBRE): Ranked #543 globally with a market cap of $39.29 Billion USD.
- Sumitomo Realty & Development Co. Ltd (PINK:SURDF): Ranked #828 globally with a market cap of $23.82 Billion USD.
- KE HOLDINGS SP.ADS/1 CL.A (F:KE8A): Ranked #1159 globally with a market cap of $16.34 Billion USD ( €15.92 Billion EUR).
- Cellnex Telecom S.A (PINK:CLNXF): Ranked #946 globally with a market cap of $20.51 Billion USD.
| Rank | Company | Symbol | Market Cap | Price |
|---|---|---|---|---|
| #543 | CBRE Group Inc Class A | NYSE:CBRE | $39.29 Billion | $135.07 |
| #828 | Sumitomo Realty & Development Co. Ltd | PINK:SURDF | $23.82 Billion | $41.20 |
| #1159 | KE HOLDINGS SP.ADS/1 CL.A | F:KE8A | $16.34 Billion | €14.80 |
| #946 | Cellnex Telecom S.A | PINK:CLNXF | $20.51 Billion | $36.82 |
CoStar Group Inc Historical Marketcap From 2015 to 2026
Between 2015 and today, CoStar Group Inc's market cap moved from $8.76 Billion to $ 18.49 Billion, with a yearly change of 8.54%.
| Year | Market Cap | Change (%) |
|---|---|---|
| 2026 | $18.49 Billion | -35.13% |
| 2025 | $28.50 Billion | -6.08% |
| 2024 | $30.34 Billion | -18.08% |
| 2023 | $37.04 Billion | +13.08% |
| 2022 | $32.75 Billion | -2.21% |
| 2021 | $33.49 Billion | -14.50% |
| 2020 | $39.17 Billion | +54.48% |
| 2019 | $25.36 Billion | +77.36% |
| 2018 | $14.30 Billion | +13.60% |
| 2017 | $12.59 Billion | +57.54% |
| 2016 | $7.99 Billion | -8.81% |
| 2015 | $8.76 Billion | -- |
End of Day Market Cap According to Different Sources
On Mar 17th, 2026 the market cap of CoStar Group Inc was reported to be:
| Source | Market Cap |
|---|---|
| Yahoo Finance | $18.49 Billion USD |
| MoneyControl | $18.49 Billion USD |
| MarketWatch | $18.49 Billion USD |
| marketcap.company | $18.49 Billion USD |
| Reuters | $18.49 Billion USD |
Market cap values may vary slightly between sources due to differences in calculation methods, timing, and data refresh rates.