OpenAI Files Confidential S-1 with SEC, Targets $1 Trillion IPO by September 2026
By
Daniel Okafor
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Summary
OpenAI filed a confidential S-1 registration statement with the SEC, confirmed publicly on June 8, 2026, targeting an IPO above $1 trillion valuation as early as September 2026. This follows rival Anthropic's similar filing by one week and precedes Elon Musk's SpaceX trading debut. The three filings signal a major shift in how America's most valuable private tech companies are approaching public markets.
Key quotes
· 3 pulledOpenAI quietly submitted a confidential S-1 registration statement to the U.S. Securities and Exchange Commission on or around May 22 and confirmed the move publicly on June 8
The three filings together represent a reshaping of how America's most valuable private technology companies are approaching public markets
OpenAI filed a confidential S-1 with the SEC on June 8, targeting a public debut above $1 trillion as early as September 2026, following Anthropic by one week
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