ToplineCoreWeave, the AI cloud-computing giant, announced partnerships with Meta, Anthropic and Jane Street over the past week that boosted the stock by 30% and made its billionaire owners more than $4 billion richer, combined. (Photo by Michael M. Santiago/Getty Images)Getty ImagesKey FactsTrading firm Jane Street is investing $1 billion in CoreWeave and committing an additional $6 billion to access the company’s infrastructure to power its AI tools and models, the companies said Wednesday. The deal comes less than a week after CoreWeave announced a multi-year deal with Claude maker Anthropic, marking the ninth of ten leading AI providers—including OpenAI, Google, Microsoft and Meta—using CoreWeave’s platform, according to a Friday press release. Also this past week, CoreWeave announced a six-year, $21 billion agreement with Meta, pushing CoreWeave's total contracted commitments with Meta alone to $35 billion. Though CoreWeave’s stock made marginal movements Wednesday, it is up 30% since announcing the Meta deal last Thursday and up 70% this month. The stock rally has made CoreWeave’s four billionaire founders—Michael Intrator, Brian Venturo, Brannan McBee and Peter Salanki, who own around 25% of the company—nearly $4 billion richer in just a week, with CEO and largest shareholder Intrator gaining $1.8 billion. Early investor Jack Cogen, meanwhile, is more than $400 million wealthier.Key BackgroundCoreWeave builds and rents out data centers packed with AI chips–primarily Nvidia GPUs—that power AI models. As tech companies scramble to build the most advanced models, demand for AI infrastructure has exploded: Research firm Gartner expects global spend to build AI will reach $2.5 trillion in 2026, up 44% from last year, with infrastructure making up more than half of that figure. While CoreWeave started out as a cryptocurrency mining company in 2017, it pivoted to building AI infrastructure after the 2018 crypto crash and a realization that the GPUs they were using to mine cryptocurrency could also be valuable in other cases such as developing AI. Since pivoting, large tech companies including Microsoft, OpenAI and Meta pay CoreWeave to power its AI models. The company went public in March 2025, and its stock has nearly tripled since—though it’s down around 37% since its peak in June 2025. The stock is up 70% in the last two weeks. Forbes ValuationCoreWeave’s public debut last March minted five new billionaires in its founders and Cogen, who owns approximately 5% of the company. The AI boom has more than doubled the net worths of the founders since last year with CEO Intrator, the largest shareholder in the company with a 12% stake, leading the pack with an estimated net worth of $7.5 billion. Intrator and Venturo (net worth: $4.6 billion) were newcomers to Forbes’ 2025 list of the 400 richest Americans. Forbes estimates McBee’s net worth is $3.3 billion and Salanki’s $1.3 billion.TangentCoreWeave is targeting $30 billion to $35 billion in capital expenditures for 2026, up from roughly $15 billion in 2025, drawing criticism about the company’s increasing debt pile. CoreWeave reported $5.1 billion in 2025 revenue—nearly triple the $1.9 billion revenue in 2024—though it was not profitable with $1.1 billion in net losses, up from $863 million in losses in 2024. Since late 2022, CoreWeave has taken on an aggressive financing strategy, borrowing billions against its Nvidia GPUs as collateral to fund its breakneck expansion. The company tripled its debt within a year, reporting $21 billion in debt in 2025. Just this week, CoreWeave took on another $4.75 billion in debt through bonds and notes, on top of securing an $8.5 billion loan that can be taken out over time. The debt strategy has been central to CoreWeave's growth, allowing founders to hold onto larger stakes by borrowing money instead of company equity to build out data centers at a pace that rivals couldn't match.