Less than a minute Elon Musk’s SpaceX is poised to become one of the most valuable publicly traded companies in the world, the BBC reports. The company, which manufactures rockets, space exploration technology and Starlink satellites, is currently privately held. But on Wednesday it made a confidential filing with the US Securities and Exchange Commission (SEC) for an initial public offering, which would allow shares to be traded in the stock market. The value of SpaceX once it goes public is expected to surpass $1tn. That would make its eventual stock market debut one of the most financially significant in history. Musk’s own holding in SpaceX would put the billionaire on track to become the world’s first trillionaire.