CoStar Group Inc (CSGP) is a good buy for a beginner investor with a long-term strategy and $50,000-$100,000 available for investment. The stock has positive momentum driven by insider purchases, strong revenue growth, and a favorable medium-term outlook despite recent challenges in bookings and margins. The company's ongoing investments and AI deployment position it for sustained growth, making it a solid long-term investment.
The MACD histogram is positive and expanding, indicating bullish momentum. RSI is neutral at 61.624, suggesting no overbought or oversold conditions. However, moving averages are bearish (SMA_200 > SMA_20 > SMA_5), and the stock is trading near its pivot level of 47.405, with resistance at 50.813 and support at 43.998.

Insider purchases by the CEO and other executives signal confidence in the company's future.
Revenue growth of 26.85% YoY in Q4
AI deployment and scaling of Homes.com enhance the company's growth potential.
Analysts highlight international and vertical expansion in the commercial business.
Decline in net income (-22.24% YoY) and EPS (-26.67% YoY) in Q4
Bookings and multifamily revenue missed expectations, raising concerns about mid-term growth.
Reduced disclosure transparency for Homes.com and ongoing investments create uncertainty.
In Q4 2025, revenue increased by 26.85% YoY to $899.9M, showcasing strong growth. However, net income dropped by 22.24% YoY to $46.5M, and EPS declined by 26.67% YoY to $0.11. Gross margin also fell by 5.71% YoY to 73.86%, indicating some pressure on profitability.
Analysts have lowered price targets but remain optimistic overall, with multiple Buy and Outperform ratings. Price targets range from $53 to $82, reflecting mixed sentiment. Analysts highlight strong commercial business growth and AI deployment but express concerns about bookings misses and Homes.com investments.