CoStar Group Inc. (CSGP)
CSGP · Real Estate · 
United States
CoStar Group Inc. (CSGP) is a US company in the Real Estate sector. The stock has its largest weight in XDEW (S&P 500 Equal Weight), at 0.19%. Anyone who holds an ETF containing CoStar Group also has an indirect stake in the company.
Data and Charts: CoStar Group
Key Data for CoStar Group
CoStar Group Stock Price Chart
The CoStar Group chart shows daily closing prices and is set to the current year by default. The stock is down 55.1% year to date and down 56.7% over twelve months. The last recorded close on October 30, 2026, was $30.17, at 7% of the 52-week range.
Price series from our database since Aug 12, 2024, 558 daily values.
CoStar Group Stock Performance
| Year to date | -55.1% | 1 year | -56.7% |
|---|---|---|---|
| 1 month | +10.1% | 3 months | +4.9% |
| Calendar year 2025 | -6.1% |
Measured in euros, CoStar Group is down 52.8% year to date and down 55.2% over twelve months. The difference from the dollar figures above comes from the exchange rate alone. Each daily price is converted at the ECB euro reference rate for that day.
Alysly Data Analysis: CoStar Group
What ETF Is CoStar Group In?
CoStar Group has average ETF coverage and is held by 11 of the 104 ETFs we track, which together follow 5 indices. That puts the stock in more ETFs than 66.9% of the 4,341 stocks we track.
| ETF | Index | Weight | per €1,000 in the ETF |
|---|---|---|---|
| XDEW | S&P 500 Equal Weight | 0.19% | €1.85 |
| XSWC / XSWD | MSCI World Small Cap | 0.11% | €1.09 |
| ZPRS / WDSD | MSCI World Small Cap | 0.11% | €1.07 |
| SPYI / SPSA | MSCI ACWI IMI | 0.02% | €0.22 |
| SXR8 | S&P 500 | 0.02% | €0.20 |
| SPYL / SPY5 | S&P 500 | 0.02% | €0.18 |
| WIMI | MSCI World IMI | 0.01% | €0.14 |
The last column shows how much of €1,000 in one of these funds goes to CoStar Group, based on each fund's latest holdings list.
US-listed ETFs holding CoStar Group (weight per latest SEC filing): ONEQ 0.03%, VUG 0.03%, IVV 0.02%, SPY 0.02%, VOO 0.02%, VTI 0.02%. These funds are registered in the US; retail investors in the EU usually cannot buy them.
CoStar Group Weight in iShares Core S&P 500 (SXR8) Since 2022
In iShares Core S&P 500 (SXR8), CoStar Group had a weight of 0.09% on Sep 30, 2022 and 0.02% on Oct 30, 2026. The fund tracks the S&P 500. Its share peaked at 0.10% on Dec 30, 2022. The weight rises and falls with the stock's price performance relative to the other index members. It can also change when the index provider adjusts the index composition.
What's Inside Your ETF Portfolio and the ETF overlap check show how much CoStar Group overlaps with the rest of a portfolio.
Stocks With ETF Exposure Similar to CoStar Group
| Stock | Shared ETFs | r | 1 year | Annualized volatility | Net margin | Revenue growth |
|---|---|---|---|---|---|---|
| CoStar Group | – | – | -56.7% | 40.3% | 0.2% | +18.7% |
| Alexandria Real Estate Equities | 11 | – | -28.7% | 39.1% | – | – |
| BXP Inc | 11 | – | -10.8% | 29.4% | 7.9% | +2.2% |
| Camden Property Trust | 11 | – | +1.3% | 20.4% | 2,964.9% | +81.7% |
| Healthpeak Properties | 11 | – | +8.3% | 26.1% | 2.5% | +4.5% |
| Host Hotels & Resorts | 11 | – | +57.3% | 27.0% | 12.5% | +7.6% |
 UDR | 11 | – | +5.6% | 21.4% | 22.1% | +2.4% |
| Align Technology | 11 | – | +8.3% | 45.9% | 10.2% | +0.9% |
| Allegion Public Limited Company | 11 | – | +12.8% | 26.7% | 15.8% | +7.8% |
These stocks reach a portfolio through largely the same funds as CoStar Group. “Shared ETFs” counts the funds that hold both.
Return and volatility are calculated from our daily closing prices in US dollars. Margin and growth come from each company's latest SEC annual filing. Because fiscal years do not end on the same date for every company, the underlying periods are not fully identical.
Fundamental Analysis: CoStar Group
CoStar Group Key Financials
Figures come from the SEC annual filing for the latest reported fiscal year (period end Dec 31, 2025).
| Fiscal year | Revenue | Net income | Margin |
|---|---|---|---|
| FY ended Dec 2023 | 2.5 | 0.4 | 15.3% |
| FY ended Dec 2024 | 2.7 | 0.1 | 5.1% |
| FY ended Dec 2025 | 3.2 | 0.0 | 0.2% |
Technical Analysis: CoStar Group
CoStar Group Risk Metrics
The close on Oct 30, 2026, was 68.8% below the highest close since Aug 12, 2024. That high was reached on Aug 4, 2025. When the S&P 500 rose or fell 1%, CoStar Group moved 0.01% on average in the same direction (past 252 trading days). The correlation of 0.00, however, shows only a moderate link to the broad market. Accordingly, moves in the S&P 500 explain only a small part of the daily price moves of CoStar Group.
What CoStar Group Correlates With
| Instrument | r | −1 … +1 |
|---|---|---|
| Brown & Brown Inc. | +0.71 | |
| Tyler Technologies Inc. | +0.66 | |
| Intuit Inc. | +0.65 | |
| Equifax Inc. | +0.64 | |
| Paychex Inc. | +0.63 | |
| Infosys Limited | +0.62 | |
| Keysight Technologies Inc | -0.57 | |
| Qnity Electronics Inc. | -0.57 | |
| Seagate Technology Holdings plc | -0.56 |
The strongest co-movers are listed at the top, the strongest inverse movers at the bottom. Low or negative correlations can help spread risk more broadly across a portfolio.
