Artificial intelligence startup xAI has been the biggest driver of these gains, with its share price surging 110% since Nov. 5, according to Caplight.

Wealthy Chinese investors secretly funnel millions of dollars into private companies owned by Elon Musk, using complex ...

"It's become clear he's now spending more time on DOGE than anything else," said one analyst of Elon Musk.

SpaceX, Neuralink, the Boring Company and xAI soared upward by 45 percent collectively since Trump was elected in November.

The value gap between Elon Musk's stakes in Tesla and SpaceX has widened to $43 billion following the slide in the EV maker's stock ... The Boring Company and Neuralink also contributing to ...

Noland Arbaugh, a 30-year-old quadriplegic man from Yuma, Arizona, has become the first human recipient of Elon Musk’s ...

The cumulative value of SpaceX, Neuralink, the Boring Company, and xAI has shot up 45% on private markets since last November ...

Elon Musk’s most valuable asset as Tesla’s stock continues to tumble, marking the first time in five years the rocket company ...

The billionaire is offering cash to Wisconsin registered voters who sign a petition against so-called "activist judges." ...