Crusoe closed the initial tranche of a $3.9 billion Series F this week at a $30.9 billion post-money valuation, and the round did more to define the week's AI funding news than any other single deal. Atreides Management, Mubadala Capital and Valor Equity Partners co-led the financing, with Founders Fund, GIC, Nvidia, the Qatar Investment Authority, Radical Ventures and TPG among more than two dozen additional backers. "Getting there means controlling the infrastructure from electrons to tokens, and we're grateful to have investors who share that conviction," said Chase Lochmiller, Crusoe's co-founder and chief executive.
The scale behind that figure is what makes it a data center story rather than just a financing one. Crusoe says it holds more than $140 billion in total contracted value, with over 6 gigawatts of gross contracted capacity and roughly 1 gigawatt already operational. The company also added three board members this week, including Cloudflare finance chief Thomas Seifert. "Crusoe is one of the defining companies developing, powering and operating that infrastructure at scale," said Ibrahim Ajami, a senior partner at Mubadala Capital.
Manufacturing-AI startup CADDi raised $114 million in a Series D that values the company at $1.2 billion, more than double its valuation from March 2025. In an exclusive interview with Fortune, chief executive Yushiro Kato explained why general-purpose language models have not displaced his engineers: "I've never seen anybody who uses LLMs to do design reviews because it doesn't understand drawings or CAD." Kato told Fortune that most manufacturing knowledge, including why a supplier or part design was chosen, is never written down at all.
Open-weight model developer Arcee AI reached a valuation above $1 billion in a Series B led by Vista Equity Partners, Cambium Capital and Emergence Capital, though the company did not disclose the round's size. It says it trained its entire 2025 model lineup, including the 400-billion-parameter Trinity Large, for roughly $20 million. "Organizations should not have to choose between the capabilities of a frontier model and the ability to control the technology at the center of their work," co-founder and chief executive Mark McQuade said.
Two smaller rounds rounded out the week. Kastle raised $24 million in a Series A for its AI agent platform aimed at consumer lending, with backing from Y Combinator and Commerce Ventures alongside new lead investor Insight Partners. Insight Partners also led a $45 million Series B for Luzern Risk, a captive insurance manager building an AI-native platform to speed up how bespoke risk programs get set up and run. Between them, the four smaller deals show enterprise AI money spreading well past the model layer this week, into banking operations, insurance administration and manufacturing data.
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