Anthropic has pushed back its initial public offering timeline, with the artificial intelligence company now expected to begin marketing its shares in mid-October at the earliest and complete the listing days before the U.S. midterm elections in November, according to people familiar with the matter.
The company had been on track to make its IPO prospectus public as early as next week, a step that would have triggered the final stages of the offering. That disclosure is now not expected until late September, those people said, cautioning that plans remain subject to change.
The delay pushes back what some investors have described as a potential $2 trillion listing — among the largest ever attempted — and a significant test of public-market appetite for the artificial intelligence sector.
As part of its IPO preparations, Anthropic is working to finalize a $15 billion revolving credit facility. Once that financing is in place, analysts — including those at banks involved in the transaction — are expected to meet with the company, one person said. Companies typically allow several weeks between such analyst meetings and a prospectus filing, though Anthropic is expected to operate on a tighter schedule given existing familiarity with the business among major institutional analysts.
Morgan Stanley, Goldman Sachs, JPMorgan Chase, and Citi are among the banks working with Anthropic on the offering, according to people familiar with the matter. All four banks declined to comment. Anthropic also declined to comment.
The offering is shaping up to be one of the most closely watched public listings in recent memory, as institutional investors seek direct exposure to the artificial intelligence industry through public markets. It could arrive alongside potential listings from other AI companies, including OpenAI. Elon Musk's SpaceX went public in June at a valuation of $1.77 trillion.
Companies frequently adjust IPO schedules as they navigate market conditions, regulatory reviews, and underwriting preparations, making such shifts routine rather than exceptional.
The Anthropic listing comes amid a broader surge in investor interest in AI infrastructure, underscored by parallel moves from major technology and energy players positioning themselves around the sector's power and compute demands. Berkshire Hathaway CEO Greg Abel told CNBC this week that his company is pursuing AI-related opportunities through two channels: selling energy to data centers via Berkshire Hathaway Energy, and its now nearly $36 billion stake in Alphabet, which includes a $10 billion purchase made directly from the company this spring at a 6.5% discount as Alphabet raised $80 billion to fund its AI compute infrastructure.
The race to secure energy for AI data centers has also drawn in specialized power producers. Fervo Energy's Cape Station project in Milford, Utah — an enhanced geothermal facility that uses oil-and-gas drilling techniques to generate baseload electricity — is on track to send power to the grid next month, which would make it the first such system in the United States to reach commercial operation. Fervo, which completed its own public markets debut in May, recently announced a power purchase agreement with Google.
Whether Anthropic's offering lands before the November midterms will depend on how quickly the company can work through its remaining financing and regulatory preparations. The window is narrow, and any further slippage could push the listing into a post-election market environment with a different risk calculus for institutional buyers.
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