He is said to have an aggressive investment style, taking large stakes in companies and then working with management to enhance the value of their firms. (investingbythebooks.com)
The activist investor holds large stakes in companies such as Swiss power transmission and industrial automation firm ABB, Swedish truck maker Volvo and German industrial group Thyssenkrupp. (reuters.com)
Berkshire has roughly 90 subsidiaries including Geico car insurance, the BNSF railroad and Dairy Queen ice cream, and has large stakes in companies such as Kraft Heinz, Wells Fargo, Coca - Cola, and IBM. (fortune.com)