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Anthropic said it raised $65 billion in Series H funding at a $965 billion post-money valuation, with the proceeds aimed in part at expanding compute for Claude. The company also named Micron, Samsung and SK hynix as strategic infrastructure partners, making memory, chips and power capacity a main part of the financing story.
Anthropic said on May 28, 2026, that it raised $65 billion in Series H funding at a $965 billion post-money valuation, a deal that gives the Claude maker new capital to expand compute capacity while placing chip supply, cloud capacity and power demand at the center of the AI funding race.
Confirmed: In its May 28 announcement, https://www.anthropic.com/news/series-h, Anthropic said the round was led by Altimeter Capital, Dragoneer, Greenoaks and Sequoia Capital. The company said run-rate revenue crossed $47 billion earlier in May, up from the $14 billion figure cited in the source material for February, though run-rate revenue is an annualized measure rather than full-year audited sales.
The company said the funding is expected to support safety and interpretability research, expand compute to meet Claude demand, and scale products and partnerships. It also said the round includes $15 billion of previously committed investments from hyperscalers, including $5 billion from Amazon.
Anthropic also named Micron, Samsung and SK hynix as strategic infrastructure partners, adding those companies to a broader capacity picture that includes AWS, Google, Broadcom, Microsoft Azure, Nvidia, SpaceX and Fluidstack. Anthropic said it recently signed agreements for up to 5 gigawatts of new capacity with Amazon, 5 gigawatts of next-generation TPU capacity with Google and Broadcom, and GPU capacity through SpaceX.
Why It Matters
The financing matters because AI companies are being measured less like classic software firms and more like infrastructure operators. For Claude to serve large enterprise workflows, Anthropic needs access to graphics processors, memory, storage, networking, data centers and power. The round gives the company more room to reserve that supply before demand is fully visible.
For customers, the issue is reliability and availability: if capacity is tight, model access can become slower, more expensive or restricted. For investors and suppliers, the round sends capital toward chipmakers, cloud providers and power-heavy data center projects tied to frontier AI systems.
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Background
The source material frames the Series H as a capacity round, not only a valuation milestone. Anthropic was valued at $61.5 billion in March 2025 and at $380 billion after a February 2026 Series G, according to the source material. The Series H lifted the stated post-money valuation to $965 billion within 14 months of the March 2025 mark.
The multiple in the source material also moved in the opposite direction from a simple valuation-only story: it cites a revenue multiple of about 27x at Series G and about 20.5x at Series H, because reported run-rate revenue rose faster than the valuation. Those figures are based on company-reported run-rate revenue and do not by themselves show profitability or cash flow.
“serve the historic demand we are experiencing”
— Krishna Rao, Anthropic chief financial officer
“lead the next phase of AI innovation”
— Brad Gerstner, founder and CEO of Altimeter Capital
“handle complex workflows”
— Alfred Lin, partner at Sequoia Capital
high capacity data center power supplies
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What Remains Unclear
It is not yet clear how quickly the announced gigawatt-scale capacity will come online, how much it will cost over the life of the contracts, or how much revenue is tied to cloud-reseller pass-throughs. Anthropic also has not disclosed detailed profitability, gross margin, contract minimums, or a public-market timetable. The core test is whether paid demand fills the capacity as it becomes available.
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What’s Next
The next milestones are capacity delivery, Claude usage growth and any added financing or IPO filing. Over the next 18 to 24 months, investors and customers will be watching whether Anthropic can convert reserved compute into durable revenue while keeping service quality, model progress and research costs under control.
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Key Questions
What did Anthropic announce?
Anthropic said it raised $65 billion in Series H funding at a $965 billion post-money valuation. The company said the money will help fund research, Claude product growth and added compute capacity.
Is the $965 billion valuation confirmed?
It is the valuation Anthropic announced for the Series H. Because Anthropic is private, the full financing terms, investor protections and share structure are not fully visible to the public.
Why are Micron, Samsung and SK hynix part of the story?
Anthropic named them as strategic infrastructure partners. Their role matters because advanced AI systems need large supplies of memory, storage and logic chips, not only cloud contracts.
Does the raise mean Anthropic is profitable?
No. Anthropic reported $47 billion in run-rate revenue, but it did not disclose profit, cash flow or detailed margins. Run-rate revenue is not the same as audited annual revenue.
Why does compute matter so much for Claude?
Claude requires large amounts of compute for training, inference and enterprise deployment. If Anthropic cannot secure enough capacity, product growth could be limited by hardware, power and data center availability rather than demand alone.
Source: Thorsten Meyer AI
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