On December 12, according to the Bloomberg Billionaires Index, Musk's net worth rose by about 50 billion dollars to $439.2 billion. Musk's net worth fell by more than $200 billion at one point in late 2022, but after Trump won the election last month, Musk's value as his top gifter immediately soared. 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.