CoStar Group, Inc. (NASDAQ:CSGP) is among the 10 Most Oversold S&P 500 Stocks So Far in 2026.
On May 29, the company announced that it had reached a definitive agreement to acquire housing‑market data provider Zonda for $800 million in cash
The acquisition will expand the company’s offerings with the inclusion of the leading B2B information platform in the home construction industry and will also add NewHomeSource.com to its family of marketplaces. CoStar Group, Inc. (NASDAQ:CSGP) described Zonda as an appealing business with strong profit margins and an impressive customer retention rate, while adding that much of its revenue is generated through subscriptions. The transaction is expected to close during the back half of 2026.
The acquisition is anticipated to be accretive to adjusted earnings per share in the first full year of ownership. Following the news, William Blair analyst Stephen Sheldon reiterated the firm’s bullish outlook on the stock by maintaining a Buy rating. As of the close of business on May 29, CSGP is a Strong Buy based on the recommendations from 14 analysts, and has an average share price upside potential of 57%.