Creative Agency Trends Anthropic’s High-Stakes S-1 Filing Reveals Explosive Ad Spend, Soaring Revenues, and a Relentless War for Brand Identity October 27, 2026 Azzam Bilal Chamdy By Krystal Scanlon Published: October 27, 2026 Main Facts: The Anatomy of Anthropic’s Public Market Debut As artificial intelligence pioneer Anthropic prepares for its highly anticipated initial public offering (IPO),…