According to the Bloomberg Billionaires Index, Musk's net worth rose by about $50 billion to $439.2 billion. At one point in late 2022, Musk's net worth fell by more than $200 billion, but after Trump won the election last month, Musk's value as his top gifter soared immediately. On Wednesday, SpaceX and its investors agreed to buy $1.25 billion worth of shares from employees and other company insiders. The deal values the private space exploration company at about $350 billion, making SpaceX the world's most valuable private startup.