On May 25, the US tech IPO market is experiencing a new wave of enthusiasm. As of today, several high-valuation tech companies, including SpaceX, OpenAI, Oura, Anthropic, and Databricks, are actively preparing to list on Nasdaq or NYSE. This IPO wave spans various sectors, including AI, software, quantum computing, aerospace, defense technology, fintech, consumer health tech, ad tech, and fleet/IoT platforms. Some companies have already entered the public filing stage, while many others are in confidential submission or media attention status. BlockBeats has compiled a list of tech companies queued to go public as follows: 1. **Public Filing / Closer to IPO**: These companies have submitted S-1 filings, public registration documents, or have plans to list on trading platforms, making them closer to an IPO. SpaceX (proposed ticker SPCX) submitted public documents on May 20, targeting a listing window in June; Quantinuum (Honeywell's quantum computing subsidiary, proposed ticker: QNT) publicly submitted registration documents on May 8; Liftoff Mobile (AI-driven mobile advertising platform, proposed ticker: LFTO) resubmitted registration documents on April 17; Motive Technologies (AI fleet management platform, proposed ticker: MTVE) plans to go public in 2026, pending pricing; Avalara (tax compliance software) is a candidate for a software IPO but is still awaiting an updated public prospectus. 2. **Confidential Submission / Company Announcement**: These companies have entered the SEC's confidential submission process or have publicly announced their intentions, but their public prospectuses are not yet available. Oura (smart ring wearable health device) confidentially submitted IPO documents around May 21, with a valuation of approximately $11 billion; Strava (sports social platform) confidentially submitted in January, targeting a 2026 listing; Relativity (legal data/eDiscovery AI) announced confidential submission of S-1 on March 19; L3Harris Missile Solutions (missile/rocket engine business) announced on April 29 that it submitted an IPO draft; OpenAI (generative AI/ChatGPT) is preparing to confidentially submit documents, potentially starting in the September window. 3. **Media Confirmation / High Attention Watchlist**: These companies do not yet have clear public documents and remain under observation, suitable for ongoing tracking. Anthropic (main AI product Claude) may conduct an IPO in the second half of 2026 or Q4; Databricks (data + AI platform) has outstanding valuation and business scale but has not yet seen an S-1 document; Lambda (GPU cloud/AI computing rental) is expected to go public in the 2026-27 window; Anduril (defense AI/autonomous systems) is a high-valuation defense tech company, with a potential listing in 2026-27; additionally, Discord, Cohesity, WHOOP, and others are also awaiting public documents or further announcements from the companies.