Elon Musk's estimated net worth hit $766 billion Thursday. Musk, the CEO of SpaceX and xAI, has not publicly commented or speculated on a merger between his two companies. Some xAI executives may have the option to receive cash instead of SpaceX stock under the merger, Reuters added, but a final agreement has not been signed. If the merger went through, SpaceX would own xAI and X, adding onto satellite internet company Starlink. Forbes ValuationWe estimate Musk’s net worth at $765.2 billion as of Thursday, making him the world’s wealthiest person, ahead of Alphabet cofounders Larry Page ($275.2 billion) and Sergey Bring ($253.9 billion).