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: 23%.
- Date of event: 30 Sep 2025.
Magnetar Financial LLC - 30 Sep 2025 SCHEDULE 13G/A Report for CoreWeave, Inc. Class A common stock, par value 0.000005 per share (CRWV)
- Filing manager
- Magnetar Financial LLC
- Reporting owner
- Magnetar Financial LLC
- Symbol
- CRWV
- Shares outstanding
- 392,199,292 shares
- Disclosed shares
- 91,382,435 shares
- Disclosed ownership percentage
- 23%
- Form type
- SCHEDULE 13G/A
- Filing time
- 07 Oct 2025, 21:26:13 UTC
- Event date
- 30 Sep 2025
- Previous filing
- 01 Apr 2025
- Next filing
- 06 May 2026
- SEC filing
- View on sec.gov
Reporting parties
2 facts
Subject security
3 facts
Ownership signal
2 facts
SEC evidence
6 facts
Key filing fact
Magnetar Financial LLC disclosed 23% ownership in CoreWeave, Inc. Class A common stock, par value 0.000005 per share (CRWV) on 30 Sep 2025.
Change
- Previous schedule filing date: 01 Apr 2025.
- Current filing was accepted on 07 Oct 2025, 21:26.
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
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G 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 | 23% | 91,382,435 | 0 | 91,382,435 | /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 | 23% | 91,382,435 | 0 | 91,382,435 | /s/ Hayley Stein | Hayley Stein, Attorney-in-fact for David J. Snyderman, Manager of Supernova Management LLC, its General Partner | |
| Supernova Management LLC | 23% | 91,382,435 | 0 | 91,382,435 | /s/ Hayley Stein | Hayley Stein, Attorney-in-fact for David J. Snyderman, Manager of Supernova Management LLC | |
| David J. Snyderman | 23% | 91,382,435 | 0 | 91,382,435 | /s/ Hayley Stein | Hayley Stein, Attorney-in-fact for David J. Snyderman |
CIK / CUSIP context first