Anthropic, an American AI company, has raised US$ 65 billion in a Series H funding round at a US$ 965 billion post-money valuation. This new valuation places Anthropic ahead of OpenAI, which was valued at US$ 852 billion in March 2026.
The funding round was led by Altimeter Capital, Dragoneer Investment Group, Greenoaks Capital, and Sequoia Capital. Micron, Samsung, and SK hynix are strategic infrastructure partners who supply memory, storage, and logic chips. The round also includes US$ 15 billion in previously committed investments from hyperscalers, including US$ 5 billion from Amazon. Anthropic’s run-rate revenue exceeded US$ 47 billion in May 2026, and enterprise adoption has continued to expand since its Series G funding round.
According to a press release, Anthropic said that the capital will be used to expand compute capacity, advance safety and interpretability research, and scale infrastructure to meet demand through its AI assistant Claude which has expanded across enterprise customers, with growing usage in core business operations.
Brad Gerstner, Founder and CEO, Altimeter Capital, said, “Claude’s latest advancements have driven large-scale adoption among the world’s most demanding organizations. This momentum positions Anthropic to lead the next phase of AI innovation and capture the enormous opportunity ahead.”
All major investors expressed strong confidence in Anthropic.
Brad Gerstner, Founder and CEO of Altimeter Capital referred to large-scale enterprise adoption of the AI assistant and said, “This momentum positions Anthropic to lead the next phase of AI innovation and capture the enormous opportunity ahead.”
“Anthropic is helping pull forward this future, as intelligence becomes an increasingly critical ingredient to the way businesses operate and how their products show up in the world,” said Marc Stad, Managing Partner at Dragoneer.
“Anthropic has built an organization in which the world’s best researchers and engineers operate with unmatched clarity of purpose, because they believe this is the most important work they will ever do,” said Neil Mehta, Founder and Managing Partner at Greenoaks.
Alfred Lin, Partner, Sequoia Capital said, “Anthropic is building the bridge between where enterprise AI stands today and where it’s headed.”
Anthropic has also signed major compute agreements with Amazon, Google, and Broadcom for large-scale capacity expansion with Amazon Web Services remaining the primary cloud provider and training partner, alongside additional infrastructure access via SpaceX.
Co-leads included Capital Group, Coatue, D1 Capital Partners, GIC, ICONIQ, and XN. Additional investors include AMP PBC, Baillie Gifford, Blackstone, Brookfield, D.E. Shaw Ventures, DST Global, Fidelity Management & Research Company, General Catalyst, Insight Partners, Jane Street, Lightspeed Venture Partners, MGX, NTTVC, NX1 Capital, Situational Awareness LP, T. Rowe Price, and Temasek.