Anthropic's Draft IPO Filing: $16.3 Billion in Revenue, an $80.7 Billion Loss, and What It Means
A leaked draft of Anthropic's IPO prospectus shows first-half 2026 revenue of $16.3 billion and an $80.7 billion net loss, most of it a non-cash accounting charge. Here is what the numbers mean before the listing.
Anthropic's long-awaited stock market debut just got its clearest financial picture yet. A draft of the company's IPO prospectus, reviewed by both The Wall Street Journal and Reuters, shows the maker of Claude grew revenue roughly fifteenfold in a year while booking a net loss of $80.7 billion for the first half of 2026.
Those two numbers look contradictory, but they tell a more specific story once you break them down. Here is what the leaked filing reportedly contains, why the loss is not what it first appears, and what investors and tech buyers should watch before the shares start trading.
1. Revenue is growing fast, but the pace is starting to cool
According to the WSJ report, summarised by Fortune, Anthropic generated $16.3 billion in revenue in the first half of 2026, up from $1.1 billion in the same period a year earlier. For context, its revenue for the whole of 2025 was $4.6 billion.
Reuters adds quarterly detail. Revenue more than doubled from the first quarter to $11.6 billion in the second quarter. At an investor meeting on October 14, the company told prospective IPO investors that third-quarter revenue rose 45% from the previous quarter to $16.8 billion, according to people familiar with the matter cited by Reuters.
That is still rapid growth, but Reuters reported that some investors were disappointed by the slowing sequential growth rate. Reuters also credits much of the momentum to Claude Code, the company's coding assistant that developers use to write software and build apps.
| Metric | H1 2025 | H1 2026 |
|---|---|---|
| Revenue | $1.1 billion | $16.3 billion |
| Computing and infrastructure spend | $2.3 billion | Nearly $9 billion |
| Net loss | $13 billion | $80.7 billion |
| Non-cash charge on convertible bonds | Not reported | $72 billion |
Sources: Fortune (citing the WSJ) and Reuters via CNA.
2. Most of the $80.7 billion loss is an accounting charge, not cash out the door
The headline loss is the figure drawing the most attention online, but Reuters reports that $72 billion of it was an accounting charge reflecting an increase in the estimated value of bonds that could eventually convert into Anthropic shares. In the words of the draft prospectus as described by Reuters, that charge is not a cash cost tied to the company's operations.
In plain terms, Anthropic has issued convertible notes. As the company's valuation climbed, those notes became more valuable to their holders, and accounting rules require the company to record that rising fair value as a loss. Reuters notes that the estimated fair value of those notes tripled year over year.
This is not new. Reuters reported in September that Anthropic posted a net loss of $42 billion in 2025, mostly from a similar charge. Excluding that charge, the company recorded an operating loss of about $8.1 billion on $4.6 billion of revenue in 2025.
None of this means the business is cheap to run. The real cash pressure shows up in compute costs, which is the next point.
3. Compute commitments and risk factors are the real story
The filing shows Anthropic spent nearly $9 billion on computing capacity and infrastructure in the first half of 2026, up from $2.3 billion a year earlier, according to Reuters.
The forward commitments are much larger:
- Reuters reports Anthropic has committed to spending at least $518 billion over a decade on cloud services, computing and infrastructure.
- The WSJ, as summarised by Fortune, reports the company has signed $450 billion of mostly "noncancellable" deals with cloud providers.
- The WSJ also reports Anthropic has signalled it could spend $750 billion in the coming years on computing capacity, including deals it is still negotiating.
The figures measure different things, so they should not be added together, but each points the same way: the company's costs are locked in for years, while its revenue depends on continued demand.
The WSJ describes a long list of risk factors, including a narrow customer base and uncertain access to much-needed computing power. Fortune's summary of the draft also highlights warnings that the company's own products could be misused to hack other companies or act against its customers, a reminder that AI safety concerns now sit inside a securities document.
The filing also covers executive pay. Fortune reports CEO Dario Amodei and President Daniela Amodei each received a base salary of $655,000 in 2025, with total compensation valued at $18 million and $16.5 million respectively, most of it in company stock.
What happens next
Anthropic announced on June 1 that it had confidentially submitted a draft S-1 registration statement to the U.S. Securities and Exchange Commission, adding that the number of shares and the price had not been set. Because the submission was confidential, the figures above come from reporting on draft documents, and they could change before a public filing.
Reports differ on valuation. Fortune, citing the WSJ, says Anthropic will seek an IPO valuing it at $2 trillion, while Reuters has reported that some investors are weighing a lower valuation of around $1.5 trillion following the latest disclosures. Reuters says the company is expected to go public in November. Anthropic did not respond to a Reuters request for comment.
The stakes reach beyond one company. Reuters notes that a cooler reception for the IPO could weigh on the wider AI market, with investors seeing near-term prospects as hinging largely on the share sale's success, ahead of rival OpenAI's potential listing next year.
Key takeaways
- Separate the accounting loss from the operating picture. About $72 billion of the $80.7 billion first-half loss came from revaluing convertible bonds, not from day-to-day spending.
- Watch quarterly growth, not just annual growth. Third-quarter revenue grew 45% from the prior quarter, slower than the more-than-doubling seen in the second quarter, and investors noticed.
- Track compute commitments. Hundreds of billions in long-term cloud deals mean margins depend on demand keeping pace with capacity.
- Wait for the public S-1. Until Anthropic files publicly, every figure comes from reporting on a draft. Investors should compare the final document against these numbers before making decisions.
- If your business relies on Claude, the risk factors on customer concentration and compute access are worth reading closely once the filing is public, since they affect pricing and availability.