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OpenAI and Anthropic File Confidential S-1s -- IPOs Expected 2026
The two most valuable private AI companies -- OpenAI at ~$852B, Anthropic at ~$965B -- have both filed confidentially with the SEC. When they list, all six MANGOS companies will be public.
Research Alliance Files for Its Fourth Healthcare SPAC
IPO
Research Alliance Files for Its Fourth Healthcare SPAC
Research Alliance Corp IV filed for a $75 million IPO of 7.5 million Class A shares, the fourth blank-check company from a sponsor group that has repeatedly targeted healthcare-sector reverse mergers.
Matternet Becomes First Pure-Play Drone Delivery Company to Go Public
IPO$33M raised
Matternet Becomes First Pure-Play Drone Delivery Company to Go Public
Matternet, the FAA type-certified drone delivery platform, completed a reverse merger to go public and raised $33 million in a private placement alongside the transaction, closing May 22 and making it the first publicly reporting company focused exclusively on drone delivery. CEO Andreas Raptopoulos framed 2026 as the inflection point for U.S. drone delivery as the company expands across healthcare, retail and restaurant delivery.
HCW Biologics Files S-1 for Small $5.6M Best-Efforts Raise
IPO
HCW Biologics Files S-1 for Small $5.6M Best-Efforts Raise
HCW Biologics filed an S-1 for a best-efforts offering of up to $5.6 million, a modest raise reflecting the tighter capital-access conditions many small-cap clinical-stage biotechs still face despite the broader 2026 IPO boom.
Cerebras (CBRS) Continues Hot Streak -- Up 68% Since May IPO
IPO$3.5B raise
Cerebras (CBRS) Continues Hot Streak -- Up 68% Since May IPO
Cerebras is the market's clearest bet on AI hardware scarcity -- up 68% since its May debut at $312. The AI chipmaker trades at a premium pricing in years of Nvidia-alternative demand.