Prof G Markets
Prof G Markets

The $800 Billion Catch Behind Anthropic's IPO

October 27, 2026

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5 min read

The $800 Billion Catch Behind Anthropic's IPO

Anthropic's S-1 filing revealed $16.3 billion in revenue for the first half of the year—up from $1.2 billion in the same period last year—and an operating loss of roughly $700 million, narrower than most analysts expected. But buried on page 161, in the liquidity and capital resources section, sits a number that changes everything about how investors should read those financials: more than $800 billion in future, non-cancelable compute commitments.

The Income Statement That Doesn't Tell the Story

The headline numbers from Anthropic's filing looked encouraging. Revenue had exploded. Operating losses had shrunk from $2.1 billion to $700 million year-over-year. The net loss of $72 billion, which sounds catastrophic, is actually a non-cash accounting artifact tied to convertible note conversions—it reflects how high the company's valuation has gotten, not how badly it's burning cash.

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What you'll learn

  • 1 Prof G Markets: The $800 Billion Catch Behind Anthropic's IPO
  • 2 (01:34) **Market Vitals** - Ed Elson recaps yesterday's market moves: tech stocks climb on Anthropic's S-1 filing, treasuries flat ahead of Fed meeting, crude oil volatile, and Brazilian markets crash after Lula's re-election
  • 3 (02:21) **Anthropic's S-1 Arrives** - Ed introduces the main topic: Anthropic has filed to go public, revealing $16.3 billion in first-half revenue (up from $1.2 billion) and an $80 billion net loss, though $72 billion of that is a non-cash charge tied to convertible notes
  • 4 (03:34) **First Reactions: A Spoiled Trailer** - Guest Paul Kodroski (SK Ventures) says the S-1 felt like a Marvel movie where the trailer had already revealed everything, with few surprises because major nuggets had been pre-leaked by Reuters and Business Insider
  • 5 (05:51) **The Operating Loss Surprise** - Paul and Ed discuss the $693 million operating loss, which was narrower than expected and down sharply from $2.1 billion a year ago
  • 6 (08:34) **The $800 Billion Footnote** - Ed discovers the bombshell buried on page 161: Anthropic has future compute agreements totaling over $800 billion — $161 billion with Broadcom and $115 billion with Google — none of which appears on the income statement
  • 7 (11:42) **The Distribution Trap** - Paul explains that Anthropic distributes its models through competitors (Microsoft, Google, Amazon) who take a rake off the top, creating deep strategic fragility

+ Full timestamped outline available in the app

Guests on this episode

Robert Armstrong

Show Notes

Ed Elson is joined by Paul Kedrosky to unpack Anthropic’s S-1, including the red flags in the filing and what investors might be overlooking. Then, Robert Armstrong returns to break down why he thinks winter is coming for the stock market and what could trigger a correction. 

Paul Kedrosky is a Managing Partner at SK Ventures. Robert Armstrong is the US financial commentator for the Financial Times, and author of the Unhedged newsletter.

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