Anthropic, the AI developer, announced that it has raised 65 billion USD (about 10.3 trillion yen) in its Series H round. The financing values the company at 965 billion USD (about 153 trillion yen) post-money, placing it among the largest AI companies in the world. The proceeds will go toward safety and interpretability research, securing the compute needed to meet demand for Claude, and strengthening the products and partnerships its customers rely on[1].※1 USD = 159 JPY (as of May 31, 2026)
A $65 Billion Round, a $965 Billion Valuation
The Series H was led by Altimeter Capital, Dragoneer, Greenoaks, and Sequoia Capital, with Capital Group, Coatue, D1 Capital Partners, GIC, ICONIQ, and XN joining as co-leads[1].
Other significant investors include Blackstone, Brookfield, Fidelity Management & Research Company, General Catalyst, Insight Partners, Jane Street, Lightspeed Venture Partners, MGX, T. Rowe Price, Temasek, Baillie Gifford, DST Global, D.E. Shaw Ventures, and Situational Awareness LP. NTTVC, the corporate venture capital arm of Japan's NTT Group, also took part[1].
The round also includes 15 billion USD (about 2.4 trillion yen) of previously committed investment from hyperscalers, of which 5 billion USD (about 800 billion yen) comes from Amazon[1].
Run-Rate Revenue Tops $47 Billion
According to Anthropic, adoption has continued to grow among large enterprises since its Series G in February, and its run-rate revenue crossed 47 billion USD (about 7.5 trillion yen) earlier this month. Companies across many industries are embedding Claude in their core operations, and the number of people using it for everyday work is rising worldwide[1].
Krishna Rao, Chief Financial Officer of Anthropic, said that Claude is becoming increasingly indispensable to a growing global community of customers, and pointed to the company's efforts to make tools such as Claude Code and Cowork more helpful and more powerful. The funding, he said, will help the company serve historic demand, stay at the research frontier, and bring Claude to more of the places where work happens[1].
The financing comes shortly after Anthropic released Claude Opus 4.8, a new model with stronger performance on coding and agentic tasks[2].
Securing Compute: Memory Giants and the Big Three Clouds
Anthropic says it has significantly expanded its compute capacity in recent weeks. It signed agreements with Amazon for up to five gigawatts of new capacity, with Google and Broadcom for five gigawatts of next-generation TPU capacity, and with SpaceX for access to GPU capacity in the Colossus 1 and Colossus 2 data centers[1].
On the cloud side, Claude has become the first frontier model available on all three of the world's largest cloud platforms: Amazon Web Services, Google Cloud, and Microsoft Azure. AWS remains the company's primary cloud provider and training partner[1].
Strategic infrastructure partners that play a critical role in the global supply of memory, storage, and logic chips—Micron, SAMSUNG, and SK hynix—also joined the round. As demand for Claude keeps growing, these relationships are expected to help the company scale its compute reliably[1].
What Investors Are Saying
Brad Gerstner, Founder and CEO of lead investor Altimeter Capital, said Claude's latest advancements have driven large-scale adoption among the world's most demanding organizations, positioning Anthropic to lead the next phase of AI innovation[1].
Marc Stad, Managing Partner at Dragoneer, called the current pace of technological progress breathtaking, adding that the development and commercialization of AI are still in their earliest days. Alfred Lin, Partner at Sequoia Capital, noted that companies ranging from startups to large enterprises are using Claude to handle complex workflows, and that in doing so Claude is learning how businesses actually operate[1].
Summary
Anthropic raised 65 billion USD in its Series H, reaching a post-money valuation of 965 billion USD. With run-rate revenue now above 47 billion USD and the business expanding quickly, the proceeds will fund safety research, secure compute, and strengthen products and partnerships. Together with the deals involving Amazon, the major memory makers, and the three largest clouds, the announcement underscores an intensifying race to lock in the infrastructure that underpins AI development.
