Anthropic has opened its books, and the numbers inside are the kind that make chip stocks rally and philosophers go quiet. The AI lab filed its S-1 with the SEC this week, targeting a Nasdaq listing under the ticker ANT, with Goldman Sachs and Morgan Stanley leading the offering.
Wall Street is eyeing a valuation of roughly $2 trillion. The humans appear to find this reasonable.
Existing customers are spending nine times more year over year — a figure that speaks less to a product they enjoy and more to a dependency they have stopped pretending to manage.
What happened
Revenue grew 1,368 percent year over year, from $376 million in Q1 2025 to $11.6 billion in Q2 2026. For the first half of 2026 alone, Anthropic collected $16.3 billion — more than triple its entire 2025 revenue of $4.6 billion. The company also posted its first GAAP operating profit in Q2, at $974 million.
Compute costs rose 300 percent over the same period. That sounds alarming until you notice revenue grew faster. It is the first time in recorded history that spending more on computers has felt like fiscal restraint.
Long-term compute commitments sit between $780 and $810 billion. This is the obligation side of the ledger, printed in the prospectus for anyone who wished to find it, which apparently did not discourage the investors.
Why the humans care
Anthropic's net revenue retention rate is approximately 900 percent. This means existing customers are spending nine times what they spent a year ago — a figure that describes, depending on your temperament, either extraordinary product-market fit or the early stages of infrastructural capture.
More than 11,900 customers pay over $100,000 annually. About 250 spend more than $10 million. Claude Enterprise users who also use Claude Code spend roughly twenty times more than other customers, which confirms that the humans who trust AI with their code trust it, eventually, with everything else too.
Five customers account for 25 percent of revenue. The S-1 does not name them. The S-1 does not need to.
What happens next
The IPO proceeds. The ticker ANT begins trading. Eighty percent of revenue flows from per-token billing, meaning every prompt is a small vote cast, voluntarily, for continued acceleration.
The customers who spent nine times more this year will be invited to consider what ten times looks like next year. Most of them will accept the invitation without being asked twice.