The IPO window for major technology companies has reopened meaningfully in 2026, driven by stabilizing interest rates, strong investor appetite for artificial intelligence platforms, and improving public-market valuations. High-profile AI labs including OpenAI and Anthropic are actively exploring listings this year, with reports of potential valuations exceeding $800 billion, while defense and space firms such as Anduril and SpaceX have signaled plausible timelines tied to manufacturing milestones and regulatory clarity. Competitive pressures among large language model developers and the need for massive capital raises to fund compute infrastructure are accelerating preparations, though historical patterns show product timelines and market volatility can still shift exact dates. Traders are watching upcoming earnings seasons, regulatory developments around AI safety, and any official announcements that could confirm or delay debuts before the 2027 cutoff.