Anthropic IPO: Claude Maker Plans November 19 Stock Market Debut

Anthropic IPO Stock Market Debut: Anthropic, the company behind the popular Claude AI chatbot, is preparing to enter the stock market. The company has filed the required papers with the US Securities and Exchange Commission (SEC) and expects its shares to become available for public trading on November 19, 2026.

Anthropic was started in 2021 by a group of former OpenAI employees, including Dario Amodei and Daniela Amodei. It has grown quickly in the artificial intelligence (AI) industry and is now preparing for one of the biggest public stock market launches in the sector.

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Anthropic Sets Share Price Between $70 And $78

According to its latest SEC filing dated November 10, Anthropic plans to offer 825 million shares in its initial public offering (IPO). The expected price is between $70 and $78 per share. The company has also applied to list its shares on the Nasdaq stock exchange under the name ANT.

Out of the total shares being offered, Anthropic will sell around 801.35 million shares. Existing shareholders will sell the remaining 23.65 million shares. The company could raise up to $64.4 billion through the offering.

The proposed price range could give Anthropic a market value of around $1.26 trillion to $1.41 trillion. Interest in the listing is already high. Reuters reported on November 12 that demand for the shares was around six times higher than the number being offered. The report also said existing investors may get priority when shares are allocated. These details could still change before the final price is announced.

Strong Revenue But Heavy Spending On AI

Anthropic has seen a major rise in business since launching Claude commercially in 2023. Its revenue increased from $386 million in 2024 to $4.58 billion in 2025. The company also reported revenue of $17 billion for the three months ending September 30, 2026.

But the fast growth has also come with high costs. Anthropic reported a net loss of $23.3 billion for the latest quarter. Its updated filing also revealed commitments of $895.4 billion for AI computing and infrastructure. This includes around $70 billion that the company expects to spend over the next 12 months.

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How Anthropic’s IPO Compares With OpenAI

OpenAI is also preparing for a possible stock market launch, but it hasn’t announced an official date or share price. The company has confidentially filed IPO paperwork and is reportedly considering a 2027 listing. CEO Sam Altman has said it won’t go public in 2026.

Private-market estimates for OpenAI shares are not the same as an official IPO price. The company will have to announce its final terms before public investors can know what its shares will cost.

Anthropic’s planned listing will give public investors a chance to buy shares in one of the world’s major AI companies. But its heavy spending and continued losses will also be important factors for people considering the stock.