Anthropic Raises $13 Billion Series F in Oversubscribed Funding Round, Boosting Valuation to $183 Billion for AI Growth and Expansion

In a significant development, artificial intelligence company Anthropic has successfully secured a $13 billion Series F funding round, pushing its post-money valuation to an impressive $183 billion. The funds will be allocated towards expanding enterprise adoption, enhancing safety research, and facilitating international expansion, as outlined in the company’s official blog post.
Iconiq, alongside Fidelity Management & Research Company and Lightspeed Venture Partners, co-led the investment round. A host of prestigious institutional investors, venture capital firms, sovereign wealth funds, private equity groups, and asset managers have also joined forces to back Anthropic. Notable among these are Altimeter, Baillie Gifford, BlackRock, Blackstone, Coatue, D1 Capital Partners, Insight Partners, Ontario Teachers’ Pension Plan, Qatar Investment Authority, and more.
Anthropic CFO Krishna Rao expressed optimism in the company’s blog post, stating, “We are witnessing exponential growth across our entire customer base. This financing underscores investors’ unwavering confidence in our financial performance and their partnership with us to fuel our unprecedented growth.”
The latest funding round follows Anthropic’s last fundraising event in March 2025, where it raised $3.5 billion at a post-money valuation of $61.5 billion. Reports had previously suggested that the company was on the verge of securing between $3 billion and $5 billion in funding at a $170 billion valuation.
The AI startup’s impressive growth over 2025 can be attributed to an increase in annual recurring revenue from $1 billion to $5 billion, driven by accelerated API usage and enterprise adoption. Anthropic now boasts over 300,000 business customers, with the number of large accounts—representing over $100,000 in run-rate revenue—growing nearly sevenfold in the past year.
Anthropic’s flagship product, Claude Code, has also been a key driver of growth. The company reported that its vibe-coding product currently generates over $500 million in run-rate revenue, with usage growing more than tenfold in the last three months.
However, maintaining this growth and competing effectively against rivals like OpenAI, Cursor, and others necessitates additional resources. As CEO Dario Amodei admitted in a recent memo, reported by Wired, attracting investment from sovereign wealth funds of certain governments can present challenges. Yet, he acknowledged the difficulty of operating a business by excluding “bad actors” from investment opportunities.
This story is ongoing and will be updated as more information becomes available.