Kingdom Holding, the investment firm led by Saudi Arabia's Prince Alwaleed bin Talal, has increased its stake in Citigroup, acquiring shares worth 1.69 billion Saudi riyals ($450 million) from the prince. The move elevates the company's ownership in Citigroup from 1.63% to 2.2%, according to a regulatory filing. Although the filing mentions that the transaction aligns with the company's strategic plans, specific details were not provided.

The diverse portfolio of Kingdom Holding spans various sectors, including aviation, banking, e-commerce, healthcare, real estate, and more. The company holds stakes in prominent entities such as Flynas, Bank Saudi Fransi, Four Seasons, Uber, and social networking company X. In collaboration with Prince Alwaleed, Kingdom Holding also has a significant investment position in X, formerly known as Twitter.