OpenAI Files for IPO, Joining a $3.6 Trillion AI Wave Headed to Wall Street
The AI industry just crossed a Rubicon. OpenAI — the company that kicked off the generative AI revolution with ChatGPT — has confidentially filed an S-1 with the SEC. One week after Anthropic filed its own IPO paperwork. With SpaceX also preparing a debut at $1.75 trillion. Combined IPO pipeline: $3.6 trillion. We haven’t seen anything like this since the dot-com era. Arguably, we’ve never seen it at all. From Nonprofit Lab to $852 Billion OpenAI’s trajectory borders on absurd. Founded as a nonprofit in 2015, it released ChatGPT in late 2022 and changed everything. Converted to for-profit. Amassed hundreds of millions of users. Closed a $122 billion funding round in March 2026 — the largest in Silicon Valley history — at roughly $852 billion. ...