The best pre-IPO stocks to watch in 2026 include SpaceX, OpenAI, Anthropic, Stripe, and Databricks. These names stand out due to demand in AI, aerospace, fintech, and data infrastructure. IPO Genie presents them as a research watchlist. Usually, people hear about companies like SpaceX, OpenAI, Anthropic, Stripe, and Databricks only after they become public-market giants. By then, much of the early private-market opportunity is already out of reach.