“Every chance I get going forward, I’ll sell a little bit more,” he tells the BBC. Lavoie is far from being the only one who has seen the value of his stake in SpaceX rocket over the years. Unlike most newly-listed firms, SpaceX shares are set to be released in stages: the first 20% on 6 August, with more due in batches through the rest of the year. SpaceX shares fell 13.6% on Wednesday to $108.27 (£80.44) – well below the initial listing price of $135 a share. “You’re buying a share of the Elon Musk brand more than any kind of space industry,” she said.