Magnetar affiliates report CRWV sales and option collars expiring Mar 2026
Rhea-AI Filing Summary
Magnetar-related entities reported multiple dispositions of CoreWeave, Inc. (CRWV) Class A common stock on 08/22/2025, selling shares at $98.19 per share. The filing shows aggregate open-market sales of 20,733 shares executed on that date across several Magnetar funds and affiliates. The reporting group also discloses collar arrangements on certain holdings: for specified lots the holder wrote covered call options and purchased put options with strike prices of $160 (call) and $70 (put) expiring 03/20/2026, where only the in‑the‑money option can be exercised at expiration. The filing lists multiple Magnetar entities and disclaims beneficial ownership except for pecuniary interest. The report was signed by an attorney‑in‑fact on behalf of David J. Snyderman.
Positive
- None.
Negative
- None.
Insights
TL;DR: Magnetar affiliates sold a modest block of CRWV shares and hold collars on larger positions; transactions appear structured, not a single large block sale.
The Form 4 documents sales totaling 20,733 Class A shares at $98.19 on 08/22/2025 across multiple affiliated funds. In addition, the filing discloses collar-type derivative positions (written calls and purchased puts with $160/$70 strikes) covering specified lots expiring 03/20/2026. The reporting parties include Magnetar Financial LLC, Magnetar Capital Partners LP, Supernova Management LLC and David J. Snyderman, each disclaiming beneficial ownership except for pecuniary interest. From a capital-markets perspective, the explicit facts show organized risk-management via collars and smaller outright sales rather than a large, single-disposition event.
TL;DR: Multiple Magnetar entities filed coordinated disclosures showing sales and option collars; signatures are by attorney‑in‑fact for the manager.
The Form 4 lists coordinated transactions by affiliated reporting persons and includes the standard disclosure that the entities disclaim beneficial ownership beyond pecuniary interest. The signature block shows an attorney‑in‑fact executed the filing on behalf of David J. Snyderman as manager. The document also specifies that the underlying securities are held by various named funds and entities and that some shares are subject to a collar (covered call/put) arrangement. These are routine governance and disclosure details rather than indicia of governance change.
Insider Trade Summary
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Sale | Call option (obligation to sell) | 205,695 | $1,542,712.50 | $317.33B |
| Purchase | Put option (right to sell) | 205,695 | $2,056,950.00 | $423.10B |
| Sale | Call option (obligation to sell) | 26,968 | $202,260.00 | $5.45B |
| Purchase | Put option (right to sell) | 26,968 | $269,680.00 | $7.27B |
| Sale | Call option (obligation to sell) | 2,787 | $20,902.50 | $58.26M |
| Purchase | Put option (right to sell) | 2,787 | $27,870.00 | $77.67M |
| Sale | Call option (obligation to sell) | 60,115 | $450,862.50 | $27.10B |
| Purchase | Put option (right to sell) | 60,115 | $601,150.00 | $36.14B |
| Sale | Call option (obligation to sell) | 82,531 | $618,982.50 | $51.09B |
| Purchase | Put option (right to sell) | 82,531 | $825,310.00 | $68.11B |
| Sale | Call option (obligation to sell) | 103,451 | $775,882.50 | $80.27B |
| Purchase | Put option (right to sell) | 103,451 | $1,034,510.00 | $107.02B |
| Sale | Call option (obligation to sell) | 23,374 | $175,305.00 | $4.10B |
| Purchase | Put option (right to sell) | 23,374 | $233,740.00 | $5.46B |
| Sale | Call option (obligation to sell) | 88,000 | $660,000.00 | $58.08B |
| Purchase | Put option (right to sell) | 88,000 | $880,000.00 | $77.44B |
| Sale | Class A Common Stock | 20,066 | $98.19 | $1.97M |
| Sale | Class A Common Stock | 195 | $98.19 | $19K |
| Sale | Class A Common Stock | 26 | $98.19 | $3K |
| Sale | Class A Common Stock | 3 | $98.19 | $294.57 |
| Sale | Class A Common Stock | 57 | $98.19 | $6K |
| Sale | Class A Common Stock | 79 | $98.19 | $8K |
| Sale | Class A Common Stock | 98 | $98.19 | $10K |
| Sale | Class A Common Stock | 22 | $98.19 | $2K |
| Sale | Class A Common Stock | 84 | $98.19 | $8K |
| Sale | Class A Common Stock | 52 | $98.19 | $5K |
| Sale | Class A Common Stock | 42 | $98.19 | $4K |
| Sale | Class A Common Stock | 9 | $98.19 | $883.71 |
| holding | Class A Common Stock | -- | -- | -- |
Footnotes (1)
- Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of 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, Longhorn Special Opportunities Fund LP, CW Opportunity LLC and CW Opportunity 2 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 (collectively, the "Magnetar Funds"). Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. These securities are held directly by CW Opportunity 2 LP. These securities are held directly by CW Opportunity LLC. These securities are held directly by Magnetar Alpha Star Fund LLC. These securities are held directly by Magnetar Capital Master Fund, Ltd. These securities are held directly by Magnetar Constellation Master Fund, Ltd. These securities are held directly by Magnetar Lake Credit Fund LLC. These securities are held directly by Magnetar Longhorn Fund LP. These securities are held directly by Magnetar SC Fund Ltd. These securities are held directly by Magnetar Structured Credit Fund, LP. These securities are held directly by Magnetar Xing He Master Fund Ltd. These securities are held directly by Purpose Alternative Credit Fund - F LLC. These securities are held directly by Purpose Alternative Credit Fund - T LLC. These securities are held directly by Longhorn Special Opportunities Fund LP. The entity holding the underlying shares of Class A common stock (the "Common Stock") of CoreWeave, Inc. entered into a collar arrangement pursuant to which such entity wrote a covered call option and purchased a put option. Only one of the options can be in-the-money on the expiration date, at which time the in-the-money option will be exercised and settled in shares and the other option will expire. If neither option is in-the-money on the expiration date, both options will expire.
