SEDCO Holding is a Saudi investment group with a diversified portfolio spanning real estate, retail, healthcare, and infrastructure. In October 2025, SEDCO acquired a 25% stake in Tamasuk Holding, marking its entry into Saudi Arabia’s infrastructure sector. In the same month, its subsidiary SEDCO Capital signed an agreement with Saudi Arabia Railways to establish a $240 million real estate fund to develop 415,000 square meters of land in Dammam. It also partnered with the King Salman Park Foundation and Ajdan Real Estate to establish a landmark $1 billion mixed-use fund within the boundaries of King Salman Park.