Anthropic Files for What Could Be the Largest Stock Offering Ever

Anthropic, the artificial intelligence company behind the Claude chatbot, made its plans to go public official on Monday, filing paperwork with the Securities and Exchange Commission for an initial public offering that could be the largest in history.

The company plans to list its shares on the Nasdaq under the ticker symbol ANT, according to the filing as reported by the Associated Press, NBC News, CBS News and TechCrunch. Anthropic had submitted a confidential draft earlier, and the public filing begins the final stretch before a debut expected in November.

The numbers show a company growing at a pace with few precedents. Anthropic reported revenue of about $16.3 billion for the first half of 2026, up from about $1.2 billion in the same period a year earlier, according to CBS News, TechCrunch and ABC News.

The losses are just as striking. Anthropic reported a net loss of $80.7 billion for the first six months of the year and has never turned a profit. TechCrunch reported that the loss was largely driven by noncash accounting adjustments tied to convertible debt. The Wall Street Journal, as reported by Al Jazeera, put those charges at about $72 billion, based on a draft of the filing. NBC News noted that the company’s spending on computing power is also enormous, and that it has signed long-term cloud agreements with several of the largest technology companies.

The filing does not set a share price or say how many shares will be sold. Reports have suggested the offering could raise as much as $100 billion, which would surpass SpaceX’s offering in June as the largest ever, and could value the company at $1.5 trillion to more than $2 trillion. Private investors most recently valued Anthropic at about $965 billion, according to the AP and CBS News. NBC News reported that Goldman Sachs and Morgan Stanley are leading the deal.

The document is unusually frank about risk. Anthropic warns that advanced AI systems could “pose catastrophic or existential risks to humanity” without appropriate safeguards, and cautions that it may not achieve or sustain profitability. ABC News reported that about 90 of the filing’s roughly 300 pages are devoted to risk factors.

The governance structure is also unusual. TechCrunch reported that the company’s seven co-founders would together hold 50.1 percent of shareholder voting power through an entity called the Founder LLC, and that a long-term benefit trust would appoint most of the board, a design meant to protect the company’s stated safety mission but one that leaves outside shareholders with limited influence.

Supporters see the offering as a chance for ordinary investors to own a piece of one of the fastest-growing companies ever. Skeptics point out that Anthropic, like its main rivals, spends far more than it earns, and Reuters reported that rising borrowing costs have sharpened investor concerns about the debt-fueled AI investment boom. Several smaller companies postponed offerings earlier this month, citing market conditions.

How investors receive the shares next month will be read as a verdict on the broader AI boom.