Ark Invest reinvested in X Corp in Q1 2025, converting it into a position in xAI, Elon Musk's AI company.xAI acquired X in March, valuing xAI at $80 billion and X at $33 billion, creating XAI Holdings Corp.Elon Musk aims to transform X into an 'everything app,' integrating communication, financial services, news, and more.Despite challenges and opposition, Ark Invest's investment in xAI shows confidence in the AI-driven future, supported by XAI Holdings merger.