Reporting parties
Subject security
Symbol
CRWV
Shares outstanding
456,191,436 shares
Ownership signal
SEC evidence
Form type
SCHEDULE 13G/A
Filing time
06 May 2026, 21:55:55 UTC
Event date
30 Apr 2026
Previous filing
07 Oct 2025
SEC filing
View on sec.gov

Key filing fact

Magnetar Financial LLC disclosed 15% ownership in CoreWeave, Inc. Class A common stock, par value 0.000005 per share (CRWV) on 30 Apr 2026.

Key facts

  • Magnetar Financial LLC filed SCHEDULE 13G/A for CoreWeave, Inc. Class A common stock, par value 0.000005 per share (CRWV).
  • Disclosed ownership: 15%.
  • Date of event: 30 Apr 2026.

Change

  • Previous schedule filing date: 07 Oct 2025.
  • Current filing was accepted on 06 May 2026, 21:55.

Research use

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting persons

Reporting managers (4)

Names, ownership, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Magnetar Financial LLC 15% 67,972,524 0 67,972,524 /s/ Hayley Stein Hayley Stein, Attorney-in-fact for David J. Snyderman, Manager of Supernova Management LLC, GP of Magnetar Capital Partners LP, its Sole Member
Magnetar Capital Partners LP 15% 67,972,524 0 67,972,524 /s/ Hayley Stein Hayley Stein, Attorney-in-fact for David J. Snyderman, Manager of Supernova Management LLC, its General Partner
Supernova Management LLC 15% 67,972,524 0 67,972,524 /s/ Hayley Stein Hayley Stein, Attorney-in-fact for David J. Snyderman, Manager of Supernova Management LLC
David J. Snyderman 15% 67,972,524 0 67,972,524 /s/ Hayley Stein Hayley Stein, Attorney-in-fact for David J. Snyderman
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