Laffont, a billionaire who got his career start in the CAA mailroom before launching Coatue with his fellow billionaire brother Philippe Laffont, has bought and sold a multitude of other extravagant homes. His current holdings include a $12 million estate in Montecito and a $10 million compound on Malibu’s Point Dume. Last year, he sold a Silicon Valley mansion for $17.6 million. Technology-focused Coatue Management hedge fund, long based in New York, recently announced it would open a Los Angeles office.