Blackstone Inc. is an American alternative investment management company based in New York City. Its private equity business has been one of the largest investors in leveraged buyouts in the last three decades, while its real estate business has actively acquired commercial real estate across the globe. Blackstone is also active in credit, infrastructure, hedge funds, secondaries, growth equity, and insurance solutions.

In 2022, Blackstone and Benetton family's holding company Edizione launched a buyout offer for Atlantia , operator of Aeroporti di Roma and Aeroport de la Cote d'zur, and took it private. Atlantia would be renamed Mundys.