AI data center provider Lambda announced Tuesday it has successfully raised an impressive $1.5 billion in a new funding round. This substantial investment, led by TWG Global, a relatively new $40 billion investment firm, significantly surpasses previous expectations for the company's capital raise. The news follows closely on the heels of Lambda's recent multi-billion dollar agreement to supply Microsoft with critical AI infrastructure.
TWG Global, the lead investor, was co-founded by billionaires Thomas Tull, known as the former owner of Legendary Entertainment, and Mark Walter, the founder and CEO of Guggenheim Partners. The firm manages a diverse portfolio of assets, including Walter's stakes in the Los Angeles Lakers and the new Cadillac F1 racing team. Notably, TWG Global also operates a dedicated $15 billion fund for AI investments, anchored by Abu Dhabi's Mubadala Capital. Prior to this, TWG Global had partnered with Elon Musk's xAI and Palantir to develop and sell AI agents to enterprises.
Lambda specializes in operating AI data centers across the U.S. and is a direct competitor to firms like CoreWeave. Beyond its data center operations, Lambda also markets its proprietary "AI factories" to major hyperscaler clouds. Earlier this month, the company secured a landmark multi-billion dollar deal with Microsoft, committing to provide AI infrastructure powered by tens of thousands of Nvidia GPUs. Nvidia itself is also an investor in Lambda, highlighting the strategic importance of this partnership.
This development unfolds within a dynamic landscape for AI infrastructure providers. Microsoft previously had a significant engagement with CoreWeave, purchasing approximately $1 billion worth of services from them in 2024, making CoreWeave its largest customer by a considerable margin. However, the market saw a shift when OpenAI subsequently entered into a massive $12 billion deal with CoreWeave in March.
For months, industry observers had anticipated Lambda would seek to raise hundreds of millions of dollars, with discussions around a potential valuation exceeding $4 billion and even speculation about an initial public offering (IPO). Prior to this latest round, Lambda had secured a $480 million Series D funding round in February, which Pitchbook estimated valued the company at $2.5 billion. The current $1.5 billion raise dramatically surpasses these earlier projections, underscoring strong investor confidence in Lambda's growth trajectory. Lambda, however, declined to comment on whether its valuation has also seen a corresponding surge.








