Expanding Empire

Gulf funds build future influence in backing Elon Musk’s ventures

The Mubadala fund is one of SpaceX’s largest investors, meaning the proposed merger would deepen its exposure to Musk by adding xAI’s assets

Brendan SMIALOWSKI / AFP via Getty Images

Saudi Crown Prince Mohammed bin Salman shakes hands with Elon Musk at the U.S.-Saudi Investment Forum in Washington D.C. in November

Elon Musk’s plan to combine SpaceX and artificial-intelligence firm xAI into a $1.25 trillion venture is drawing renewed attention to the Gulf sovereign wealth funds that have invested in his companies.

Abu Dhabi’s Mubadala fund is one of...