Who is the largest owner of IBM?

Who exactly holds the title of the largest shareholder in IBM, and could you provide some insights into their ownership stake and their potential influence on the company's decisions and strategies? It's intriguing to know if it's an individual investor, a group of investors, or perhaps another major corporation that wields significant influence over such a storied and influential brand. Understanding the dynamics of ownership can offer valuable insights into IBM's direction and potential for growth.