Qatar Sports Investments (QSI) is a state-backed, closed shareholding company founded in 2004 and based in Doha. It sits among Qatar's major investment institutions alongside the Qatar Investment Authority (QIA) and Qatar Foundation, and functions as the state's dedicated sports-investment vehicle. QSI is best known for its 2011 acquisition and long-term ownership of Paris Saint-Germain (~87.5%), and for founding Premier Padel. Its portfolio spans football, padel, tennis, motorsport and sports media, blending mature, established brands with early-stage ventures. Revenues from QSI's ventures are reinvested into Qatar's sport, leisure and entertainment sectors, advancing the country's soft-power and diversification agenda.