Entrepreneur Elon Musk is savvy when it comes to maintaining control of his companies. He owns 46% of SpaceX.

Entrepreneur Elon Musk is savvy when it comes to maintaining control of his companies. He owns 46% of SpaceX.

Elon Musk owns 46.4% of SpaceX, far more than any other shareholder. Here's who owns the rest of the company after SpaceX's historic IPO.