Anthropic IPO Filing Leaks: $16.3B Revenue, $80B Loss, $2T Target
3 min readAnthropic’s path to the public markets just got a lot more transparent. The Wall Street Journal obtained a draft of the company’s IPO prospectus, and the numbers inside are enormous in both directions: $16.3 billion in revenue for the first half of 2026 alongside an $80 billion net loss. The Anthropic IPO is reportedly targeting a November listing at a valuation of around $2 trillion.
Background: from $4.6 billion to a $2 trillion ambition
Anthropic, the maker of the Claude models, booked $4.6 billion in revenue for all of 2025. Revenue for the first half of this year alone is more than three times that figure, and up from $1.1 billion in the same period a year earlier. According to TechCrunch, the company told prospective investors last week that third-quarter revenue reached $16.8 billion, up 45 percent from the prior quarter.
What the Anthropic IPO draft shows
The headline loss looks alarming, but Fortune notes it compares with a $13 billion loss a year earlier, and the Journal’s reporting attributes most of it to non-cash accounting charges from revaluing financing instruments as the company’s valuation climbed. The cash story is compute: Anthropic spent $9 billion on computing capacity and infrastructure in the first half, up from $2.3 billion the year before.
That spending is set to grow. The draft says Anthropic plans to spend roughly $750 billion on compute over the coming years, and Semafor reports that about $450 billion of that is already locked into mostly non-cancellable deals with cloud providers. The filing also warns that two customers account for about a fifth of sales, and that the company could be liable for damages from harmful model behavior that exceed its insurance coverage.
One of the more striking risk factors concerns Anthropic’s suppliers. The filing reportedly says the company is struggling to secure enough capacity from Amazon, Google, and Microsoft, which increasingly treat it as a competitor rather than a customer. In response, Anthropic is leasing its own data centers and working with third-party operators that it describes as having a “limited operating history.”
Why it matters
This is the first detailed look at the economics of a frontier AI lab prepared for public investors, and it lands in the middle of a bubble debate. Citadel’s Ken Griffin said this week that AI is “almost certainly” in a bubble, while OpenAI is reportedly accelerating a round that could value it at $1.4 trillion. A $2 trillion listing would rest on a business growing faster than almost any in history, but one committed to hundreds of billions in spending it cannot easily unwind.
Watch for the public S-1 filing, which will settle how much of the loss is accounting noise and how much is cash leaving the building.