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Prof G Markets · Wednesday, September 30, 2026

Anthropic's Staggering IPO Prospectus Reveals Massive Losses and High Valuation

Leaked IPO documents for AI company Anthropic reveal a staggering $4.6 billion in revenue last year, a more than 1000% increase from the previous year. However, the company also reported an operating loss of $8 billion and a net loss of $42 billion. Despite these figures, Anthropic is expected to go public in November at a $2 trillion valuation, potentially making it the largest IPO in history.

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The tape

2 quotes
“Anthropic 's IPO prospectus just leaked and the numbers are staggering. According to Reuters, which obtained the draft of the S1, the company reported $4.6 billion in revenue last year, up more than 1000% from the year prior, but they also reported an operating loss of $8 billion and a net loss of $42 billion.”
Adelton
“Still, the company is expected to go public at a record $2 trillion valuation in November, making it the most highly valued IPO of all time.”
Adelton
Heard on Prof G Markets — “Anthropic’s Financials Revealed — The Losses Are Stunning”, published Wednesday, September 30, 2026. Heardvine summarizes and quotes with attribution and timestamps, and links to the original everywhere.
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Anthropic's Staggering IPO Prospectus Reveals Massive Losses and High Valuation — Heardvine