Anthropic officially files for IPO under the ticker symbol ANT
Anthropic officially filed for an IPO on Monday and plans to list under the ticker symbol ANT. SEC filings show that its revenue in the first half of 2026 was $16.3 billion, up from $1.2 billion in the same period last year; its operating loss for the same period was $693 million, while its net loss reached $80.7 billion, mainly due to non-cash accounting adjustments related to convertible debt. As of the end of September, it had more than 11,900 customers spending over $100,000 annually, of which 1,900 spent more than $1 million per year and about 250 spent more than $10 million; a Founder LLC composed of seven co-founders will collectively control 50.1% of shareholder voting power, and the company has not yet disclosed the size of the offering or the issue price.
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The filing discloses Anthropic's revenue, losses and customer structure, which can be used to gauge its commercial scale and governance arrangements ahead of going public.
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After weeks of leaked S-1s , Anthropic finally filed for an initial public offering on Monday, setting the stage for one of the most closely watched public debuts in modern U.S. history.
Anthropic, which plans to list under the ticker “ANT,” recorded $16.3 billion for the first half of 2026, up from $1.2 billion in the same period last year, according to the firm’s latest SEC filing.
That revenue came off the back of an operating loss of $693 million, an improvement from the $2.1 billion in operating losses that Anthropic recorded in the first half of 2025. Anthropic’s net loss, however, hit $80.7 billion, which was largely driven by noncash accounting adjustments tied to convertible debt. The company says it “may not achieve or sustain profitability in the future.”
The filing also provided more color on the scale of Anthropic’s enterprise business. As of the end of September, Anthropic had more than 11,900 customers spending $100,000 or more annually; 1,900 customers spending $1 million or more; and about 250 customers spending $10 million or more.
As previously reported , Anthropic’s governance structure will enable Anthropic’s seven co-founders to maintain control once the company goes public. Dario Amodei, Daniela Amodei, Tom Brown, Jack Clark, Jared Kaplan, Sam McCandlish, and Chistopher Olah will make up the “Founder LLC,” which will collectively control 50.1% of shareholder voting power — a move Anthropic says is designed to preserve the company’s AI safety mission, per the filing.
Anthropic’s Long-Term Benefit Trust, established in 2023 to ensure the company pursues its public benefit mission , will have the authority to appoint most of the company’s board.
The governance structure is controversial because it means voting power is not proportional to the founders’ economic ownership, and therefore public shareholders will have little practical control over a company building technology that, by its own admission, poses “catastrophic or existential risks to humanity.”
Anthropic hasn’t yet disclosed how much it hopes to raise nor its proposed share price.