Anthropic Files S-1 for Nasdaq IPO with Class A Shares Ticker ANT

Key summary

Anthropic has filed an S-1 document to prepare for an initial public offering on the Nasdaq, listing its Class A shares under the ticker ANT. The filing, submitted in June and previously confidential, reveals financial data for the first half of 2026 showing total revenue of $16.3 billion, a 1,304% increase from the same period last year, alongside a net loss of $8.07 billion attributed to accounting adjustments regarding convertible debt valuations. The company reported full-year 2025 revenue of $4.59 billion. No single customer accounts for more than 10% of total revenue, with the top five customers comprising approximately 25%. Cloud-based model usage contributes 48% of revenue. Anthropic pays SpaceX approximately $3.1 billion monthly to rent NVIDIA GPUs and leases capacity from other providers including Microsoft, Nscale, and Lambda. Founders Dario Amodei (CEO) and Daniela Amodei (Chairman), holding Founder LLC, control 50.1% of voting rights. Competitors identified in the filing include OpenAI and Google.