SpaceX's confidential SEC filing on April 1 for a potential June initial public offering—aiming to raise up to $75 billion at a $1.75 trillion valuation—has emerged as the dominant catalyst driving trader consensus toward high-confidence outcomes in AI and spacetech unicorns going public before year-end. Cerebras Systems bolstered sentiment last week by tapping Morgan Stanley for a $2 billion April listing after refiling paperwork, amid intensifying competition with Nvidia in AI hardware. Discord's January confidential submission lingers as a near-term possibility despite delays, while broader market dynamics like stabilizing interest rates and AI funding surges support Databricks and Stripe preparations. Watch for public S-1 disclosures and Q2 roadshows, though volatility and regulatory reviews could shift timelines.