Costain Group (LON:COST) Reaches New 52-Week High – Still a Buy?

Posted by Stanley Muller on Aug 11th, 2026

Costain Group PLC (LON:COST – Get Free Report)’s stock price hit a new 52-week high during mid-day trading on Tuesday . The company traded as high as GBX 220.50 and last traded at GBX 218.50, with a volume of 312482 shares. The stock had previously closed at GBX 216.50.

Analyst Upgrades and Downgrades

Separately, Berenberg Bank restated a “buy” rating and issued a GBX 240 price objective on shares of Costain Group in a report on Wednesday, July 15th. Two equities research analysts have rated the stock with a Buy rating and one has issued a Hold rating to the stock. Based on data from MarketBeat.com, the company currently has an average rating of “Moderate Buy” and an average target price of GBX 190.

View Our Latest Report on COST

Costain Group Price Performance

The company has a fifty day moving average of GBX 207.65 and a 200-day moving average of GBX 194.47. The company has a current ratio of 1.44, a quick ratio of 1.32 and a debt-to-equity ratio of 9.68. The stock has a market cap of £578.35 million, a PE ratio of 15.95, a P/E/G ratio of 1.63 and a beta of 0.88.

Insider Transactions at Costain Group

In related news, insider Amanda Fisher bought 1,953 shares of the stock in a transaction that occurred on Tuesday, June 23rd. The stock was purchased at an average cost of GBX 204 per share, with a total value of £3,984.12. Also, insider Helen Willis sold 344,645 shares of the company’s stock in a transaction dated Tuesday, June 16th. The stock was sold at an average price of GBX 201, for a total value of £692,736.45. Corporate insiders own 49.10% of the company’s stock.

Costain Group Company Profile

(Get Free Report)

Costain improves people’s lives by creating connected, sustainable infrastructure that enables people and the planet to thrive. Through the delivery of predictable, best-in-class solutions across the transport, water, energy and defence markets, we are creating a sustainable future and securing a more prosperous, resilient and decarbonised UK.

By bringing together our unique mix of construction, consultancy, engineering and digital services, we work strategically with our customers and suppliers to meet critical national needs.

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