Nvidia CEO Jensen Huang has begun selling shares under a prearranged plan, divesting $15M as Nvidia's stock soars over 800% fueled by AI demand.

Here's how billionaires Tepper, who oversees $8.3 billion, and Laffont, who manages $22 billion, took action on Nvidia and Meta in the first quarter: Tepper sold 55% of his Nvidia stock and now holds 300,000 shares. He increased his Meta position by 12% to 550,000 shares. It's his fifth-biggest stock position.