AI firm Anthropic has raised a $13 billion Series F round that brings its post-money valuation up to $183 billion — funds the company says will be used to grow its enterprise adoption, deepen safety research, and support international expansion.
Iconiq co-led the round with Fidelity Management & Research Company and Lightspeed Venture Partners, according to the company’s blog post. Other backers include a string of institutional investors, VCs, sovereign wealth funds, private equity, and asset managers, such as Altimeter, Baillie Gifford, BlackRock, Blackstone, Coatue, D1 Capital Partners, Insight Partners, Ontario Teachers’ Pension Plan, Qatar Investment Authority, and more.
“We are seeing exponential growth in demand across our entire customer base,” Anthropic CFO Krishna Rao said in the post. “This financing demonstrates investors’ extraordinary confidence in our financial performance and the strength of their collaboration with us to continue fueling our unprecedented growth.”
Anthropic last raised $3.5 billion at a $61.5 billion post-money valuation in March 2025.
This latest fundraise comes after reports that Anthropic was nearing a deal to raise between $3 billion and $5 billion in funding at a $170 billion valuation. It also follows impressive growth from the AI startup, which reported a jump in annual recurring revenue from $1 billion to $5 billion over the course of 2025 amid accelerated API usage and enterprise adoption.
“Anthropic now serves over 300,000 business customers, and our number of large accounts—customers that each represent over $100,000 in run-rate revenue—has grown nearly 7x in the past year,” the company said in the company blog post.
Claude Code is also a developer favorite and one of the main impetuses for Anthropic’s growth. The company said its vibe-coding product already generates more than $500 million in run-rate revenue with usage growing more than 10x in the last three months.
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But maintaining that growth and competing with rivals like OpenAI, Cursor, and others requires more money, as its CEO Dario Amodei recently confessed in a memo, reported by Wired. He said he wasn’t “thrilled” about taking money from sovereign wealth funds of dictatorial governments, but that it’s difficult to run a business by excluding “bad people” from investing.
This story is developing. Check back for updates…