Magnetar Financial sells CoreWeave (CRWV) stock worth $6.04 million

Magnetar Financial LLC, along with affiliated entities, reported selling shares of CoreWeave, Inc. NASDAQ:CRWV Class A Common Stock on October 20, 2025. The sales amounted to a total of $6.04 million, with prices ranging from $135.59 to $138.26. CoreWeave , currently valued at $64.8 billion, has seen its stock surge 242% year-to-date, though InvestingPro analysis indicates the stock is trading above its Fair Value.

The transactions involved multiple entities including CW Opportunity LLC, CW Opportunity 2 LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, Purpose Alternative Credit Fund - T LLC, and Longhorn Special Opportunities Fund LP, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC.

Magnetar Financial LLC serves as the investment advisor to these Magnetar Funds. Magnetar Capital Partners LP is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC is the general partner of Magnetar Capital Partners. David J. Snyderman is the administrative manager of Supernova Management.

Magnetar Financial LLC, Magnetar Capital Partners LP, Supernova Management LLC and David J. Snyderman disclaimed beneficial ownership of these shares.

In other recent news, CoreWeave announced the appointment of Jon Jones as its first Chief Revenue Officer. Jones brings over two decades of experience in technology leadership roles, including his previous position as Global Head of Startups and Venture Capital at Amazon. In another development, CoreWeave secured a significant partnership with Poolside to provide over 40,000 GPUs under Nvidia systems. Evercore ISI estimates that this partnership could potentially add around $5 billion to CoreWeave’s backlog. Furthermore, CoreWeave is partnering with AI startup Poolside to build a large data center complex in West Texas, known as "Horizon," which will leverage natural gas to power the facility.

Additionally, CoreWeave launched Serverless RL, a fully managed reinforcement learning capability for AI agent training, which offers faster training times and reduced costs. This new service aims to simplify AI training by allowing developers to scale reinforcement learning across multiple GPUs with minimal setup. The launch of Serverless RL marks CoreWeave’s first collaboration with recently acquired OpenPipe. These developments reflect CoreWeave’s ongoing efforts to expand its capabilities and partnerships in the AI infrastructure space.

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