Who Owns Grok?

What does xAI own?
xAI develops the Grok AI chatbot and large language models. The company operates the Colossus and Colossus II data centers in Memphis, Tennessee, which provide approximately 1 gigawatt of compute power. xAI is a subsidiary of SpaceXAI, the publicly traded company formed through the merger of xAI, X Corp., and SpaceX. xAI also has an option to acquire AI coding startup Cursor for $60 billion.

Is xAI publicly traded?
xAI 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 xAI, X Corp., and SpaceX. Before the merger, xAI was privately held by Elon Musk and external investors including Fidelity, Nvidia, and Qatar Investment Authority.

Who founded xAI?
xAI was founded by Elon Musk in July 2023. Musk had previously been an early investor in and co-founder of OpenAI before departing that company's board in 2018. He established xAI as a direct competitor to OpenAI, recruiting researchers from DeepMind, OpenAI, Google Research, and Microsoft Research.

Where is xAI headquartered?
xAI is headquartered in the San Francisco Bay Area, California, USA. The company's primary data center operations are located in Memphis, Tennessee, where its Colossus and Colossus II facilities provide approximately 1 gigawatt of compute power for model training and inference.

How many users does Grok have?
Grok has approximately 117 million monthly active users as of March 2026, according to SpaceX's S-1 filing. This represents about 21% of the 550 million monthly active users across the combined X and Grok ecosystem. xAI has approximately 1.9 million SuperGrok subscribers and 4.4 million X Premium subscribers with Grok access, for a total of 6.3 million paid subscribers.

Who owns xAI?
xAI is a subsidiary of SpaceXAI, the publicly traded company formed when Elon Musk merged xAI with X Corp. in March 2025 and then into SpaceX in February 2026. Musk holds the majority of SpaceXAI's equity. External investors from xAI's Series E round ($20 billion raised in January 2026), including Fidelity, Nvidia, Qatar Investment Authority, and Valor Equity Partners, hold minority stakes.

What is xAI's revenue?
xAI reported $3.2 billion in revenue in 2025, up from $2.62 billion in 2024. However, the company's operating loss was $6.4 billion in 2025, up from $1.56 billion in 2024. In Q1 2026, xAI generated $818 million in revenue with an operating loss of $2.47 billion. The company is increasingly generating revenue from compute hosting deals, including agreements with Google ($920 million per month) and Anthropic ($1.25 billion per month).