(Bloomberg) -- Chamath Palihapitiya, the billionaire investor who has helped drive the frenzied growth of blank-check companies, sold his personal holding in the space-tourism company founded by Richard Branson, raising $213 million. Palihapitiya disposed of 6.2 million shares at an average price of $34.32 this week, based on a filing with the U.S. Securities and Exchange Commission. He still owns 15.8 million shares with his partner Ian Osborne through investment firm Social Capital Hedosophia, amounting to about a 6.5% stake. Palihapitiya previously sold shares worth almost $100 million in December, filings show.