📝 Executive Summary
SpaceX, OpenAI, and Anthropic have reached a combined $5.2 trillion valuation, surpassing the first-day market caps of over 3,300 U.S. tech IPOs since 1980. Despite these massive valuations, the firms face significant profitability hurdles, with OpenAI projecting $278 billion in negative free cash flow through 2030 and Anthropic delaying its path to positive cash flow until 2028.