[SpaceX, OpenAI, and Anthropic Plan 2026 IPO, Valuation May Exceed $1 Trillion] U.S. tech companies SpaceX, OpenAI, and Anthropic are preparing to launch their initial public offerings (IPO) in 2026, with expected fundraising amounts reaching tens of billions of dollars. OpenAI's valuation may reach $750 billion, SpaceX's valuation in the secondary market has already hit $800 billion, and Anthropic is targeting a valuation exceeding $300 billion. If the three companies successfully go public, their combined scale will surpass the total U.S. stock market IPO amount for all of 2025, potentially bringing significant returns to investment banks and venture capital firms.