CoreWeave, Inc. (CRWV) Institutional Ownership

Ownership Summary

A total of 643 institutions have reported a stake in CoreWeave, Inc. (NASDAQ:CRWV) as of September 2025, according to recent 13F filings with the SEC.

• The collective stake of institutional investors in CoreWeave moved to 59.1% in September 2025, a shift up from the 44.7% reported for June 2025.
• The company experienced a 34.15% quarterly change in institutional shares held, alongside an unavailable change in total owners annually.
• Of these 643 institutional investors, 548 increased their holdings in CoreWeave, while 67 of them reduced positions, and 28 investors maintained their exposure.
• The aggregate institutional position in CoreWeave now stands at 288.70Mn shares as of September 2025, after investors increased their holdings (up by 73.50Mn shares quarter on quarter which is down N/A shares year over year).
• The top institutional stake in CoreWeave as of September 30, 2025 belongs to Magnetar Financial LLC, which owns 81.98Mn shares, or 16.78% of the company.
• Among the most significant buyers of CoreWeave during September 2025 were JANE STREET GROUP, LLC (25.79Mn), Proficio Capital Partners LLC (17.85Mn), Situational Awareness LP (6.60Mn), VANGUARD GROUP INC (3.89Mn), MORGAN STANLEY (3.46Mn).
• Leading sellers of CoreWeave stock in September 2025 included Magnetar Financial LLC (13.83Mn), COATUE MANAGEMENT LLC (11.07Mn), Investment Management Corp of Ontario (7.00Mn), Blackstone Inc. (3.74Mn), Alyeska Investment Group, L.P. (1.90Mn).
• The top 10 institutional holders of CoreWeave for the quarter ending September 2025 included Magnetar Financial LLC (81.98Mn), JANE STREET GROUP, LLC (37.12Mn), FMR LLC (26.79Mn), NVIDIA CORP (24.28Mn), Proficio Capital Partners LLC (17.85Mn), Situational Awareness LP (7.83Mn), VANGUARD GROUP INC (7.43Mn), COATUE MANAGEMENT LLC (6.72Mn), MORGAN STANLEY (4.17Mn), GOLDMAN SACHS GROUP INC (3.75Mn).