--- title: "The IPO Buzz: Anthropic (ANT Proposed) Files its S-1" type: "News" locale: "en" url: "https://longbridge.com/en/news/303112402.md" description: "Anthropic filed its S-1 for an IPO on Oct. 26, 2026, without disclosing specific terms. The AI company, creator of Claude, is expected to raise approximately $75 billion with a potential market cap of $1.5 trillion. Goldman Sachs and Morgan Stanley are lead underwriters. As of June 30, 2026, Anthropic reported $19.7 billion in revenue but a net loss of $109.74 billion, having raised $141.1 billion in total capital." datetime: "2026-10-26T15:36:45.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/303112402.md) - [en](https://longbridge.com/en/news/303112402.md) - [zh-HK](https://longbridge.com/zh-HK/news/303112402.md) generator: "portal-rs" --- # The IPO Buzz: Anthropic (ANT Proposed) Files its S-1 **Anthropic (ANT Proposed) pulled back the curtain on its IPO by filing its long-awaited S-1 this morning – Monday, Oct. 26, 2026. The San Francisco-based AI company, known for Claude, did not disclose the terms for its IPO in its S-1 filing. The IPO pros expect that Anthropic’s IPO could raise about $75 billion – on par with SpaceX’s historic IPO – or possibly more. Reuters reported that Anthropic’s market cap is likely to be around $1.5 trillion, when it goes public. Anthropic is expected to start marketing its IPO as soon as the week of Nov. 9, according to Bloomberg.** **Goldman Sachs and Morgan Stanley are the lead global book-runners of Anthropic’s IPO – running an investment banking syndicate that includes another 20 banks.** **J.P. Morgan, Citigroup, Barclays, Wells Fargo Securities, BofA Securities, Deutsche Bank Securities, RBC Capital Markets and UBS Investment Bank are among the joint book-runners, according to the prospectus.** **Anthropic, founded in 2021, launched its first commercial product, Claude, publicly in the first quarter of 2023, according to the prospectus.** **As of Sept. 30, 2026, Anthropic’s customer base includes – according to its S-1 filing:** **•More than 11,900 customers with $100,000 or more of revenue on a TTM basis;** **•More than 1,900 customers with $1 million or more of revenue on a TTM basis** **\*About 250 customers with $10 million or more of revenue on a TTM basis.** **In the S-1 filing, Anthropic warned that its technology carried existential risks, as Bloomberg reported.** **“As of June 30, 2026, we had raised an aggregate of $141.1 billion of capital,” the prospectus said.** **Anthropic is not profitable, according to its S-1 filing: Net loss of $109.74 billion on revenue of $19.7 billion for the 12 months that ended on June 30, 2026.** ### Related Stocks - [ANTH.NA](https://longbridge.com/en/quote/ANTH.NA.md) - [BAC.US](https://longbridge.com/en/quote/BAC.US.md) - [BCS.US](https://longbridge.com/en/quote/BCS.US.md) - [C.US](https://longbridge.com/en/quote/C.US.md) - [DB.US](https://longbridge.com/en/quote/DB.US.md) - [GS.US](https://longbridge.com/en/quote/GS.US.md) - [JPM.US](https://longbridge.com/en/quote/JPM.US.md) - [MS.US](https://longbridge.com/en/quote/MS.US.md) - [SPCX.US](https://longbridge.com/en/quote/SPCX.US.md) - [UBS.US](https://longbridge.com/en/quote/UBS.US.md) - [WFC.US](https://longbridge.com/en/quote/WFC.US.md) ## Related News & Research - [Anthropic opens books on AI's explosive growth and staggering costs](https://longbridge.com/en/news/303087043.md) - [Anthropic's Claude accessed Georgia state vote count information behind paywall, Axios reports](https://longbridge.com/en/news/303000716.md) - [INSTANT VIEW-Anthropic IPO filing to put AI investment boom to the test](https://longbridge.com/en/news/303096090.md) - [FTC demands Anthropic leaders testify in consumer harm investigation](https://longbridge.com/en/news/303125287.md) - [Anthropic raises prospect of AI cash handouts for the public](https://longbridge.com/en/news/302271530.md) --- > **Disclaimer: This article is for reference only and does not constitute any investment advice.**