Anthropic Files for IPO, Traders Predict Near-Certain Public Offering This Year

10/26/2026, 10:39 AM investing fundraising ai

On Monday, Anthropic filed its Form S-1, moving closer to a public offering that is now considered almost certain to happen this year. Prediction market platform Kalshi shows a 95% probability that the company will officially announce its IPO by the end of 2026.

This announcement could come in various forms, such as the Securities and Exchange Commission declaring the S-1 effective, a priced IPO, or an exchange assigning a ticker symbol. Anthropic is targeting a Nasdaq ticker symbol of 'ANT' and aims to begin trading the week of November 16, although traders on Kalshi assign only a 14% chance of this happening before that date.

On the Polymarket platform, the likelihood of Anthropic listing and starting to trade by November 20 is estimated at 69%. This IPO is significant as it reflects the growing interest and investment in artificial intelligence companies, potentially impacting market dynamics and investor sentiment in the tech sector

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