Calastone | 14,636 followers on LinkedIn. Connecting the world's largest community of funds | Calastone is the largest global funds network, connecting the world’s leading financial organisations. Our mission is to reduce complexity, risk and costs, enabling the industry to deliver greater value to investors. More than 4,500 clients in 58 countries and territories benefit from Calastone’s services, processing over £250 billion of investment value each month.