All Brands Owned by X Corp.

What does X Corp. own?
X Corp. operates X (formerly Twitter), the social media and microblogging platform. The company also operates X Premium, a paid subscription service, and integrates Grok, an AI chatbot developed by xAI. X Corp. is a subsidiary of SpaceXAI, the publicly traded combined entity formed through the merger of X, xAI, and SpaceX.

Is X Corp. publicly traded?
X Corp. itself is not independently publicly traded. It is a subsidiary of SpaceXAI, which trades on NASDAQ under the ticker SPX. SpaceXAI went public in 2026 following the merger of X, xAI, and SpaceX. Before the merger, X was privately held by Elon Musk and co-investors since the October 2022 acquisition.

Who founded X Corp.?
X Corp. was formed by Elon Musk in 2022 when he acquired Twitter, Inc. for $44 billion and merged it into a new corporate entity. The original platform, Twitter, was founded in 2006 by Jack Dorsey, Noah Glass, Biz Stone, and Evan Williams in San Francisco, California.

Where is X Corp. headquartered?
X Corp. is headquartered in San Francisco, California, USA. Musk has discussed relocating operations to Texas, and the company's legal headquarters has shifted as part of the SpaceXAI corporate restructuring, but its primary offices remain in San Francisco.

How many users does X have?
X has approximately 550 million monthly active users as of March 2026, according to SpaceXAI's S-1 filing. This is up from 520 million in December 2025. Users generate approximately 350 million posts per day. The Grok AI chatbot has approximately 117 million monthly active users, representing about 21% of X's total user base.

Who owns X Corp.?
X Corp. is a subsidiary of SpaceXAI, the publicly traded company formed when Elon Musk merged X with xAI in March 2025 and then into SpaceX in February 2026. Musk holds the majority of SpaceXAI's equity. Co-investors from the original 2022 Twitter acquisition hold minority stakes. SpaceXAI trades on NASDAQ under the ticker SPX.

Has X Corp. made major acquisitions recently?
The most significant corporate transaction was the March 2025 merger of X Corp. with xAI, valuing X at approximately $33 billion. This was followed by the February 2026 acquisition of xAI (including X) by SpaceX, creating SpaceXAI. X Corp. also acquired an AI coding startup, Cursor, with an option valued at $60 billion, as part of the broader SpaceXAI strategy.