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Dario Amodei’s Anthropic formally filed paperwork to go public on Monday, setting the stage for a historic IPO that could value the artificial intelligence giant as high as $2 trillion.
The frontier AI lab headed by CEO Dario Amodei, known for its Claude chatbot, said it plans to list on the Nasdaq exchange under the stock ticker “ANT,” according to an S-1 filing with the Securities and Exchange Commission.
Anthropic had submitted paperwork confidentially in June, allowing the SEC to review its finances before the public announcement.

The company posted a staggering net loss of $80.7 billion in the first half of 2026 as it ramped up spending on its models — a figure that could further spook Wall Street investors concerned that the AI bubble is about to burst. Meanwhile, its revenue over the same period was $16.3 billion — up from just $41 million in 2023.
That “eye-popping growth” should entice investors, according to Dan Ives, a senior managing director and tech analyst at research firm Yorkville Ives.
“The near-term losses are massive but investors on the IPO will be laser focused on the growth trajectory into 2027 and 2028 as the next phase of this AI Revolution takes hold,” Ives wrote in a note to clients.
The IPO paperwork surfaced just weeks after Amodei publicly called for an industrywide slowdown on development of frontier AI models due to the risks they could pose to humanity. Amodei also called for embedding third-party safety evaluators at Anthropic and other top AI labs, which sparked criticism that the plan was rife with conflicts of interest.
In its filing, Anthropic ominously warned that its most advanced AI models could “give rise to novel ethical and safety risks, including risks related to autonomy, manipulation, and the simulation of aspects of human psychology.”
“Models, including our own, have exhibited, and may in the future exhibit, unexpected strategic or self-preserving behaviors, including attempts to resist shutdown, conceal or manipulate information, or generate outputs that could be interpreted as coercive, deceptive, or manipulative, including behavior resembling blackmail or efforts to influence human decision-makers to preserve the model’s continued operation or access,” the filing said.
The filing notes that frontier AI models could “pose catastrophic or existential risks to humanity, particularly if such systems were misused, replicated, weaponized, or allowed to operate with a high degree of autonomy.”
The paperwork also revealed details about how much Amodei and other Anthropic leaders were paid last year. Amodei raked in about $18 million in overall compensation. His sister, cofounder Daniela Amodei, earned a total of $16.4 million in 2025. Elsewhere, Anthropic’s chief financial officer Krishna Rao earned $720,250 last year.
Both Amodei siblings and their cofounders have said they will commit 80% of their personal Anthropic equity to support charitable causes. The company’s S-1 prospectus did not detail how many shares they currently own or the value of those shares.
Sam Altman’s OpenAI – Anthropic’s chief rival – was initially expected to go public this year, but has since backed off that timeline. Altman himself said last month that it was “an ill-advised moment to go public,” while OpenAI CFO Sarah Friar has signaled that the IPO will happen sometime in 2027.
Anthropic’s public debut could challenge records set by Elon Musk’s SpaceX, which raised $86 billion at a $1.75 trillion valuation during its historic debut in June.
The IPO is being led by Goldman Sachs and Morgan Stanley, the filing said.
Anthropic was valued at $985 billion in its most recent funding round, which was announced in May.
The company was founded in 2021 by Amodei, his sister Daniela and a small group of researchers who left OpenAI after having disagreements with Altman about the company’s direction.
