Elon Musk Integrates Companies Through Cross-Company Deals

Elon Musk's five companies have increasingly transacted with one another over the past three years, sharing employees, products, software, and investments such as Tesla's disclosed $2 billion stake in xAI. Arrangements include Tesla selling batteries and vehicles to SpaceX and Boring Company, and xAI's Grok integrated into Teslas and Optimus demos. Analysts cite governance and concentration concerns for investors and regulators.