X and SpaceX are separate companies, but they are part of the same corporate group controlled by Elon Musk. In 2025, Musk transferred ownership of X to the artificial intelligence company xAI. The following year, SpaceX acquired xAI, making X an indirect subsidiary of SpaceX. Although X continues to operate as a social media platform, it is now part of a publicly traded corporate group that also includes SpaceX and xAI.
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