ROSELAND, New Jersey – CoreWeave (“the Company”), a specialised cloud provider built for large-scale GPU-accelerated workloads, today announced it has secured $221 million in Series B funding. The round was led by Magnetar Capital (“Magnetar”), a leading alternative asset manager, with contributions from NVIDIA, and rounded out by Nat Friedman and Daniel Gross.

“CoreWeave’s innovative, agile and customisable product offering is well-situated to service this demand and the company is consequently experiencing explosive growth to support it. We are proud to collaborate with NVIDIA in supporting CoreWeave’s next phase of growth as it continues to bolster its already strong positioning in the marketplace.”

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The latest funding will be used to further expand CoreWeave’s specialised cloud infrastructure for compute-intensive workloads — including artificial intelligence and machine learning, visual effects and rendering, batch processing and pixel streaming — to meet the explosive demand for generative AI technology. This strategic focus has allowed CoreWeave to offer purpose-built, customised solutions that can outperform larger, more generalised cloud providers. The new capital will also support US-based datacentre expansion with the opening of two new centres this year, bringing CoreWeave’s total North American-based datacentres to five.

“CoreWeave is uniquely positioned to power the seemingly overnight boom in AI technology with our ability to innovate and iterate more quickly than the hyperscalers,” said CoreWeave CEO and co-founder Michael Intrator. “Magnetar’s strong, continued partnership and financial support as lead investor in this Series B round ensures we can maintain that momentum without skipping a beat. Additionally, we’re thrilled to expand our collaboration with the team at NVIDIA. NVIDIA consistently pushes the boundaries of what’s possible in the field of technology, and their vision and guidance will be invaluable as we continue to scale our organisation.”

NVIDIA recently released the highest-performance datacentres GPU, the NVIDIA H100 Tensor Core, along with the NVIDIA HGX H100 platform. CoreWeave announced at the NVIDIA GTC conference in March that its HGX H100 clusters are live and currently serving clients such as Anlatan, the creators of NovelAI. In addition to HGX H100, CoreWeave offers more than 11 NVIDIA GPU SKUs, interconnected with the NVIDIA Quantum InfiniBand in-network computing platform, which are available to clients on demand and via reserved instance contracts.

Investor Perspectives on $221M Series B Round

“AI has reached an inflection point, and we’re seeing accelerated interest in AI computing infrastructure from startups to major enterprises,” said Manuvir Das, Vice President of Enterprise Computing at NVIDIA. “CoreWeave’s strategy of delivering accelerated computing infrastructure for generative AI, large language models and AI factories will help bring the highest-performance, most energy-efficient computing platform to every industry.”

“With the seemingly limitless boundaries of AI applications and technologies, the demand for compute-intensive hardware and infrastructure is higher than it's ever been,” said Ernie Rogers, Magnetar’s chief operating officer. “CoreWeave’s innovative, agile and customisable product offering is well-situated to service this demand and the company is consequently experiencing explosive growth to support it. We are proud to collaborate with NVIDIA in supporting CoreWeave’s next phase of growth as it continues to bolster its already strong positioning in the marketplace.”