Irish company Monaghan Mushrooms, one of the world’s largest substrate and mushroom companies, has agreed to acquire all shares of Walkro, one of the largest producers of substrate for the mushroom industry, held by Gimv and Walkro’s management. At the end of 2011, Walkro was acquired by operating partner Monaghan Mushrooms, together with financial investor Gimv and Walkro’s management team. Today, co-shareholder Monaghan buys out both Gimv and management, becoming the group’s sole shareholder. Financial details were not disclosed.