Antonio Gracias, Elon Musk’s Friend, Is Set to Reap Billions From SpaceX’s IPO

Antonio Gracias, an investor who has built a $65 billion stake in the company, exemplifies the economic upside of being Mr. Musk’s ally.Antonio Gracias, left, and Elon Musk at a political event in Green Bay, Wis., last spring. Mr. Gracias and his private equity firm control a $65 billion stake in SpaceX.