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Anthropic gears up for major IPO push, targeting November debut

The artificial intelligence startup is poised to file its IPO prospectus in late September, setting the stage for what could become one of the largest public market debuts in recent history.

LSN India · 5 September 2026

Anthropic gears up for major IPO push, targeting November debut

Anthropic, the AI company founded by former OpenAI researchers, is preparing to enter public markets with an anticipated IPO roadshow beginning in October, according to sources tracking the company's timeline. The firm is expected to make its prospectus public in late September, initiating the formal process required by market regulators before shares can be offered to investors.

The planned November listing would represent a significant milestone for the generative AI sector, which has attracted substantial investor interest since the rapid commercialisation of large language models. Anthropic has emerged as one of the sector's leading companies, competing with OpenAI and other developers of advanced AI systems.

The company's move to the public markets comes as AI-focused enterprises seek to capitalise on growing demand for their technologies across industries. A November IPO would position Anthropic among the year's most substantial public offerings, reflecting investor appetite for proven technology companies with strong revenue prospects.

Details regarding the proposed listing size and valuation have not been disclosed. The September prospectus filing would provide formal disclosure of the company's financials, business operations, and risk factors to regulatory authorities and potential investors ahead of the marketing period.