Samsung has reportedly made a major investment in rival South Korea-based smartphone maker Pantech. Yonhap News was first to report the news and it says Samsung spent roughly $50 million for 10% of the company. Samsung’s motives are unclear, though the deal will reportedly “help further solidify bilateral cooperation in smartphone and other business areas.” Pantech is currently the No.3 phone maker in South Korea behind Samsung and LG, and the new investment makes Samsung the company’s third-largest shareholder behind Qualcomm and Korea Development Bank.