Tesla discloses $2B investment in Musk's xAI

Tesla disclosed in its Q4 shareholder letter that it had invested $2 billion in xAI, an AI company run by Elon Musk. The letter said the investment was expected to close in the first quarter. The disclosure raised governance questions because the investment was in another Musk-controlled company.

• Investment amount: $2 billion
• Disclosed in Tesla's Q4 2025 shareholder letter
• Tesla and xAI also entered a framework agreement