Why did Anthropic report an $80.7 billion loss in the first half of 2026?

Anthropic's $80.7 billion net loss for the first half of 2026 is mostly an accounting charge, according to Fortune. About $72.4 billion of it comes from the higher fair value of convertible notes Anthropic has issued. The operating loss for the same period was $693 million, and operating cash flow was a positive $3.9 billion.

How does Anthropic make its money, according to the S-1?

Anthropic's S-1 shows that 80% of its first-half 2026 revenue came from usage-based consumption, metered in tokens, and 20% from subscriptions, per Yahoo Finance's review of the filing. Fortune reports that nearly half of revenue flows through the cloud marketplaces of Amazon, Google and Microsoft, and that the top five customers made up about 25% of revenue in the first nine months of 2026.

When will Anthropic shares start trading, and at what price?

Anthropic has not set a date, a share count or a price range for its IPO. The company's announcement says the registration statement is not yet effective, so no shares can be sold and no offers accepted until the SEC declares it effective. Valuation targets in the press are not taken from the S-1.

What risks does Anthropic list in the filing?

Anthropic's S-1 warns that its business faces an evolving and uncertain regulatory and political environment, and that it may struggle to retain customers it wins. Fortune also reports that an estimated 5% to 7% of 2026 revenue came from customers later found to be violating Anthropic's usage policies.

Anthropic · 2026-10-26 · major

Anthropic files its public S-1 — Nasdaq IPO planned under the ticker ANT

Anthropic has publicly filed a Form S-1 for an IPO on the Nasdaq Global Select Market as ANT. The filing shows $16.3B revenue and an $80.7B net loss in the first half of 2026, mostly from a non-cash charge.

Anthropic announcement card for its S-1 filing with the SEC

Anthropic makes its IPO filing public, opening its books on Claude revenue, losses and compute spend for the first time.

Key specs

H1 2026 revenue	$16.3B
H1 2026 net loss	$80.7B

Quick facts

Filing	Public Form S-1, filed Oct 26, 2026
Exchange / ticker	Nasdaq Global Select Market, ANT
Shares and price	Not yet set
Revenue by quarter	$4.7B (Q1 2026), $11.6B (Q2 2026)
Revenue mix	80% usage-based, 20% subscriptions
Employees	5,300 (end of September 2026)
Prospectus from	Goldman Sachs, Morgan Stanley

What is it?

Anthropic, PBC has made its Form S-1 registration statement public, five months after it confidentially submitted a draft in June. The company plans to list Class A shares on the Nasdaq Global Select Market under the symbol ANT. The number of shares and the price range are not yet set.

How does it work?

A public S-1 is the full prospectus a company must publish before it can sell shares: audited financials, risk factors and governance. Anthropic's filing runs to more than 300 pages, with about 94 pages of risk factors, according to Fortune. The shares cannot be sold until the SEC declares the registration statement effective.

Why does it matter?

The S-1 is the first audited look at the economics of a frontier lab. Revenue grew from $1.2B in the first half of 2025 to $16.3B in the first half of 2026, per Fortune, and Yahoo Finance counts about $430B in non-cancelable compute commitments with Broadcom, Google, Amazon and Microsoft. Teams that build on Claude can now read the customer-concentration and policy risks Anthropic itself discloses.

Who is it for?

developers and companies that depend on the Claude API

Frequently asked questions

Why did Anthropic report an $80.7 billion loss in the first half of 2026?: Anthropic's $80.7 billion net loss for the first half of 2026 is mostly an accounting charge, according to Fortune. About $72.4 billion of it comes from the higher fair value of convertible notes Anthropic has issued. The operating loss for the same period was $693 million, and operating cash flow was a positive $3.9 billion.
How does Anthropic make its money, according to the S-1?: Anthropic's S-1 shows that 80% of its first-half 2026 revenue came from usage-based consumption, metered in tokens, and 20% from subscriptions, per Yahoo Finance's review of the filing. Fortune reports that nearly half of revenue flows through the cloud marketplaces of Amazon, Google and Microsoft, and that the top five customers made up about 25% of revenue in the first nine months of 2026.
When will Anthropic shares start trading, and at what price?: Anthropic has not set a date, a share count or a price range for its IPO. The company's announcement says the registration statement is not yet effective, so no shares can be sold and no offers accepted until the SEC declares it effective. Valuation targets in the press are not taken from the S-1.
What risks does Anthropic list in the filing?: Anthropic's S-1 warns that its business faces an evolving and uncertain regulatory and political environment, and that it may struggle to retain customers it wins. Fortune also reports that an estimated 5% to 7% of 2026 revenue came from customers later found to be violating Anthropic's usage policies.