Anthropic files for US IPO, moving closer to a blockbuster listing
Anthropic has made its US IPO filing public, a step toward one of the largest debuts ever, according to Reuters.
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what happened
Anthropic, the maker of the Claude chatbot, has published its filing for a US initial public offering. According to Reuters, the step brings the company closer to one of the biggest listings ever attempted, a test of investor appetite for the fast-growing AI industry.
Some current and prospective investors value Anthropic at about $1.5 trillion, below the roughly $2 trillion previously expected. The company is seeking to raise as much as $100 billion. In May it raised $65 billion at a post-money valuation of $965 billion.
OpenAI, which runs ChatGPT, has also confidentially filed for a US IPO and is racing to secure investor commitments before Anthropic's expected debut in mid-November, Reuters reported. In September, OpenAI CEO Sam Altman said the company would not go public in 2026.
why it matters
A listing of this size could reshape benchmark indexes and investor flows and set the tone for US equities. The deal's reception will show whether investors are willing to pay high valuations for AI companies.
market impact
US stocks and indexes: a large IPO can redirect capital and shift sentiment in the AI sector
tags
instruments
sources
- Anthropic moves closer to blockbuster listing with US IPO filing — Reuters, 26 October 2026 at 13:19 UTC
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