BusinessU.S.-based artificial intelligence giant Anthropic said Monday it has filed for an initial public offering (IPO), teeing up what could become a watershed moment for Wall Street's AI frenzy.Company headquartered in California didn't disclose size or terms of the offeringThomson Reuters · Posted: Jun 01, 2026 2:03 PM EDT | Last Updated: 2 hours agoListen to this articleEstimated 3 minutesThe audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results.AI giant Anthropic on Monday said it had filed for a U.S. initial public offering. (Dado Ruvic/Reuters)American artificial intelligence giant Anthropic said Monday it has filed for a U.S. initial public offering (IPO), teeing up what could become a watershed moment for Wall Street's AI frenzy.The makers behind the Claude chatbot gave few details in the announcement Monday, but said it had submitted a confidential filing with the U.S. Securities and Exchange Commission for a proposed IPO of its common stock.The move ‌sets up a high-stakes test of whether investor appetite for the AI revolution that has reshaped white-collar work around the world can match the sky-high expectations surrounding the booming sector.Anthropic, which is headquartered in California and operates AI chatbot Claude, didn't disclose the ​size or the terms of the offering. It ​last raised $65 billion US at a post-money valuation of $965 billion in late May, putting it ahead of rival OpenAI.The crucial step toward a listing ​comes on the heels of SpaceX's mega-IPO, which is on course to ⁠rewrite the record books as ⁠the Elon Musk-led company pursues a $75-billion offering ‌at a $1.75-trillion valuation.WATCH | Elon Musk could become world's 1st trillionaire with SpaceX IPO:Elon Musk could become world's 1st trillionaire with SpaceX IPOMay 21|Duration 2:02Elon Musk's SpaceX has revealed plans to go public with what is expected to be the largest initial public offering in Wall Street history. As the majority shareholder, the world's richest man could, through the offering, become the first-ever trillionaire.OpenAI and Anthropic have become the face of the AI boom that has redrawn corporate strategies, sparked a global arms race for computing power and talent, and turned AI-linked companies into some of the market's ⁠most richly valued firms.Anthropic's valuation has more than doubled from $380 billion in February, when it raised $30 billion in a funding round.AI company Anthropic amends core safety principle amid growing competition in sectorAnalysisIs the stock market in an AI bubble?The company's rapid rise in early 2026 rattled markets, triggering sharp selloffs ‌in software and IT stocks as investors worried its increasingly autonomous AI tools could upend traditional business models and accelerate disruption across industries.OpenAI is also preparing to confidentially file for a U.S. IPO in the coming weeks, a source familiar with ​the matter told Reuters in late May, adding to a wave of blockbuster listings anticipated in the year ahead.A market milestoneAs a slew of big listings races toward public markets, companies from SpaceX to AI ⁠giants are competing for a finite pool of investor capital.The listing would represent one ⁠of ⁠the most consequential stock market debuts ​in years, potentially reshaping benchmark indexes, investor flows and the broader narrative driving U.S. equities.LISTEN | Elon Musk's court battle with OpenAI:Front Burner27:46Elon Musk vs OpenAIAt close to ​a $1-trillion valuation, Anthropic ⁠would vault into the top tier of the S&P 500, alongside a handful of elite companies that dominate global equity markets.An Anthropic debut would be a major boost for the long-sluggish IPO market, though experts and bankers warn an offering of such scale could drain liquidity and investor attention from ⁠smaller listings.