Anthropic completed a $13 billion Series F fundraising led by ICONIQ, valuing the AI company at $183 billion post-money in one of the largest venture funding rounds in technology history.
ICONIQ led the Series F round, co-led by Fidelity Management & Research Company and Lightspeed Venture Partners. Significant investors include Altimeter, Baillie Gifford, affiliated funds of BlackRock, Blackstone, Coatue, D1 Capital Partners, General Atlantic, General Catalyst, GIC, Growth Equity at Goldman Sachs Alternatives, Insight Partners, Jane Street, Ontario Teachers' Pension Plan, Qatar Investment Authority, TPG, T. Rowe Price Associates, Inc., T. Rowe Price Investment Management, Inc., WCM Investment Management, and XN.
"This financing demonstrates investors' extraordinary confidence in our financial performance and the strength of their collaboration with us to continue fueling our unprecedented growth," said Krishna Rao, Chief Financial Officer of Anthropic.
Anthropic has experienced rapid revenue acceleration since launching Claude in March 2023. At the beginning of 2025, less than two years after launch, Anthropic's run-rate revenue reached approximately $1 billion. By August 2025, just eight months later, run-rate revenue exceeded $5 billion, making Anthropic "one of the fastest-growing technology companies in history."
The company now serves over 300,000 business customers. The number of large accounts—customers representing over $100,000 in run-rate revenue—has grown nearly 7x in the past year.
Claude Code has generated significant revenue since its full launch in May 2025, already producing over $500 million in run-rate revenue with usage growing more than 10x in just three months. "From Fortune 500 companies to AI-native startups, our customers rely on Anthropic's frontier models and platform products for their most important, mission-critical work," Rao stated. "We are seeing exponential growth in demand across our entire customer base."
The $183 billion valuation establishes Anthropic as one of the highest-valued private technology companies globally, reflecting investor confidence in the AI market and Anthropic's competitive position. The funding provides substantial capital for scaling operations, research development, and market expansion while maintaining focus on safety and reliability.
The rapid revenue growth from $1 billion to over $5 billion run-rate in eight months demonstrates strong market demand for enterprise AI solutions and validates Anthropic's product-market fit across business, developer, and consumer segments.