Four takeaways from Anthropic's potentially record-breaking stock market filing

• AI company Anthropic has filed to go public in the US, releasing its first audited financials in a 92-page S-1 prospectus. • The firm brought in $16.3bn of revenue in the first half of 2026 but lost $80bn, including a $72.4bn one-off charge; in 2025 it made $4.585bn and lost roughly $33.9bn. • It spent nearly $9bn on AI infrastructure in the first half of this year, and its top five customers account for 25% of business. • The filing warns its safety safeguards are incomplete and may be circumvented, and cites a Chinese state-sponsored group manipulating a Claude code tool against...