Anthropic files for IPO, reveals 1,088% revenue growth and $42B net loss

By BORSA NewsroomPublished Sep 28, 2026, 7:19 PM EDTUpdated Sep 28, 2026, 7:21 PM EDT

Anthropic filed for an IPO, according to its prospectus seen by Reuters. FY25 revenue hit $4.59B, up 1,088% from $386M. GAAP net loss was $41.97B, including a $34B accounting charge. Operating loss widened to $8.06B. Compute and infrastructure costs were $7.33B, 58% of total expenses. The company has $20.28B in cash. Two customers each account for 12% of revenue. The IPO could come after November midterms.

Sentimentneutral 50

Neutral · 50 of 100

Impact70

medium · sector-wide

Confidence90%

high confidence · 5 wires

Eventdeveloping

v5 · alerted to followers

WHAT WE KNOW

Anthropic filed for an IPO; prospectus seen by Reuters.
FY25 revenue: $4.59B, up 1,088% from $386M.
GAAP net loss: $41.97B (includes $34B accounting charge).
Operating loss: $8.06B.
Compute and infrastructure expense: $7.33B (58% of OpEx).
Cash and short-term investments: $20.28B.

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How it developed11 wires · newest first

Mon to Tue

Tue 7:18 AMAnthropic IPO filing warns AI could pose existential risks to humanity, CNBC reportsbearish 40 · impact 20
Mon 8:27 PMAnthropic IPO filing warns advanced AI could pose catastrophic or existential risksbearish 35 · impact 40
Mon 8:08 PMAnthropic’s IPO plan includes a new “Founder LLC” designed to keep control with company leaders and preserve its “low-ego, truth-seeking environment." The filing also warns governance decisions may conflict with the financial interests of Class A shareholders. Source: Reuters
Mon 8:06 PMAnthropic IPO filing includes founder LLC to retain control of company cultureneutral 50 · impact 70
Mon 7:50 PMAnthropic files for IPO, per Reutersneutral 50 · impact 70
Mon 7:48 PMBREAKING: Anthropic is making a massive bet that AI will transform the global economy more profoundly than industrialization, electricity and the internet, per Reuters. Anthropic reported a net ‌loss of $42 billion in 2025, and plans to spend $518 billion on cloud, computing and infrastructure obligations in coming year, according to the prospectus.
Mon 7:29 PMAnthropic files for IPO, shows $4.59B revenue and $42B net loss with $34B accounting chargeneutral 50 · impact 60
Mon 7:28 PMAnthropic files publicly for US IPOneutral 50 · impact 60
Mon 7:19 PMAnthropic files for IPO, reveals $4.59B revenue and $41.97B net lossbearish 30 · impact 50 · this page
Mon 7:16 PMAnthropic FY25 GAAP operating loss widens to $8.06 billion, per IPO prospectusbearish 35 · impact 40
Mon 7:16 PMAnthropic FY25 revenue $4.59 billion, up 1,088% y/y, per IPO prospectusneutral 50 · impact 40 · first wire

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