The Anthropic IPO filing has sent shockwaves through Wall Street and Silicon Valley simultaneously. On June 1, 2026, Anthropic confidentially submitted a draft S-1 registration statement to the U.S. Securities and Exchange Commission. The move targets an October 2026 listing on the Nasdaq and positions the Claude maker as the first major AI lab to enter public markets.
Background on the Anthropic IPO Filing
Founded in 2021 by Dario and Daniela Amodei alongside other former OpenAI researchers, Anthropic built its reputation on AI safety research. Just four days before the IPO filing, Anthropic closed a $65 billion Series H funding round at a staggering $965 billion post-money valuation. That round surpassed rival OpenAI’s $852 billion valuation from March 2026 — marking the first time Anthropic has topped OpenAI on paper. Altimeter Capital, Sequoia Capital, Dragoneer, Greenoaks, and Coatue co-led the deal. Strategic chip partners Samsung, SK Hynix, and Micron also joined.
Key Details
Goldman Sachs, JPMorgan Chase, and Morgan Stanley lead the underwriting syndicate. Bankers expect the offering to raise more than $60 billion. Anthropic has not yet set a share price, share count, or confirmed listing date. The filing remains confidential, keeping audited financials shielded from competitors. However, Anthropic publicly disclosed that its annualized revenue run-rate crossed $47 billion in May 2026 — up from just $9 billion in January. That represents five-fold growth in five months. The company projects Q2 2026 revenue alone at $10.9 billion, more than doubling its Q1 figure. Analysts widely expect a debut market cap above $1 trillion.
Industry Impact of the Anthropic IPO Filing
Meanwhile, OpenAI moved fast to respond. The ChatGPT maker confidentially filed its own S-1 on June 8, 2026 — just one week later — targeting a September 2026 IPO. This creates an extraordinary scenario: two near-trillion-dollar AI rivals racing toward public markets in the same quarter. Claude Code, Anthropic’s enterprise coding agent, drives much of the revenue surge. Reuters reported that Claude Code alone contributes significantly to new revenue growth, with enterprise customers across banking, healthcare, and technology sectors deploying it at scale. Eight of the Fortune 10 now count as active Claude enterprise customers. Anthropic’s advances in coding and cybersecurity capabilities have rattled competitors and attracted aggressive institutional capital.
What Comes Next
Crucially, Anthropic still carries risk. The company faces a legal battle with the U.S. government after the Pentagon designated it a supply-chain security risk. Anthropic has warned that designation could jeopardize billions in revenue. Despite projecting its first profitable quarter in Q2 2026, the company still spends roughly $19 billion annually on compute. Profitability at scale remains a target for 2028. Investors also watch OpenAI’s timeline closely. If OpenAI prices its September IPO strongly, Anthropic benefits from a bullish benchmark heading into October. A stumble, however, would reset pricing expectations for the entire AI IPO pipeline. SpaceX — which merged with xAI earlier this year — already tested the waters with its own June IPO, giving market participants a real-time stress test for appetite toward high-valuation AI companies.
Conclusion
Ultimately, the Anthropic IPO filing marks a defining moment for the entire artificial intelligence industry. Never before have multiple near-trillion-dollar AI companies raced toward public markets in a single calendar quarter. Public investors will soon scrutinize the audited financials, compute costs, and margin trajectories that private backers have largely accepted on faith. The outcome will set the valuation benchmark for AI companies for years to come. Anthropic grew from a $1.5 billion valuation in 2022 to $965 billion by May 2026 — a 643-fold increase in four years. Wall Street now decides what that trajectory is truly worth.
Related: Anthropic IPO Race: $965B Valuation Tops OpenAI
Originally reported by TechCrunch. Analysis by the FastCustomAI Editorial Team.