Form 4: Magnetar Entities Report CRWV Covered Calls and Puts Expiring 03/20/2026
Rhea-AI Filing Summary
Magnetar-related entities and David J. Snyderman reported derivative transactions in CoreWeave, Inc. (CRWV) on 08/27/2025. The filing states these entities entered into a collar in which the holder wrote covered call options with a $160 strike and purchased put options with a $70 strike, each series expiring 03/20/2026. Multiple option blocks are reported (largest single block shown: 235,080 underlying shares), and certain lines show “Amount of Securities Beneficially Owned Following Reported Transaction(s)” such as 440,775 shares for one reporting block. The filing identifies CW Opportunity LLC as the direct holder of the underlying Class A common stock and disclaims broader beneficial ownership except for pecuniary interest. Several Magnetar-affiliated entities and individuals are listed as reporting persons and the form is filed by more than one reporting person.
Positive
- None.
Negative
- None.
Insights
TL;DR: Magnetar entities implemented a collar on substantial CRWV share blocks, creating paired $160 calls and $70 puts expiring 03/20/2026.
The filing documents multiple covered-call and put-purchase transactions executed on 08/27/2025 across several Magnetar-affiliated accounts with the underlying securities held directly by specified funds (e.g., CW Opportunity LLC). The positions are reported as derivative obligations and rights tied to Class A common stock with explicit strike prices and a uniform expiration date. Reporting structure shows layered ownership through Magnetar Financial, Magnetar Capital Partners, Supernova Management and an individual manager, with disclaimer language limiting claimed beneficial ownership to pecuniary interest.
TL;DR: Multiple Magnetar entities and an affiliated manager disclosed coordinated option transactions and clarified ownership relationships.
The Form 4 lists coordinated transactions by Magnetar Financial LLC and related entities, signed by an attorney-in-fact. Footnotes explain entity relationships and that the securities are held directly by named funds. The filing explicitly disclaims broader beneficial ownership except to the extent of pecuniary interest, and confirms the form was filed by more than one reporting person. All material transaction terms reported (strike prices, expiration date, and share counts per block) are presented within the filing.
Insider Trade Summary
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Sale | Call option (obligation to sell) | 235,080 | $1,716,084.00 | $403.42B |
| Purchase | Put option (right to sell) | 235,080 | $2,186,244.00 | $513.94B |
| Sale | Call option (obligation to sell) | 30,820 | $224,986.00 | $6.93B |
| Purchase | Put option (right to sell) | 30,820 | $286,626.00 | $8.83B |
| Sale | Call option (obligation to sell) | 3,187 | $23,265.10 | $74.15M |
| Purchase | Put option (right to sell) | 3,187 | $29,639.10 | $94.46M |
| Sale | Call option (obligation to sell) | 68,703 | $501,531.90 | $34.46B |
| Purchase | Put option (right to sell) | 68,703 | $638,937.90 | $43.90B |
| Sale | Call option (obligation to sell) | 94,321 | $688,543.30 | $64.94B |
| Purchase | Put option (right to sell) | 94,321 | $877,185.30 | $82.74B |
| Sale | Call option (obligation to sell) | 118,230 | $863,079.00 | $102.04B |
| Purchase | Put option (right to sell) | 118,230 | $1,099,539.00 | $130.00B |
| Sale | Call option (obligation to sell) | 26,713 | $195,004.90 | $5.21B |
| Purchase | Put option (right to sell) | 26,713 | $248,430.90 | $6.64B |
| Sale | Call option (obligation to sell) | 100,572 | $734,175.60 | $73.84B |
| Purchase | Put option (right to sell) | 100,572 | $935,319.60 | $94.07B |
| Sale | Call option (obligation to sell) | 61,982 | $452,468.60 | $28.04B |
| Purchase | Put option (right to sell) | 61,982 | $576,432.60 | $35.73B |
| Sale | Call option (obligation to sell) | 49,931 | $364,496.30 | $18.20B |
| Purchase | Put option (right to sell) | 49,931 | $464,358.30 | $23.19B |
| Sale | Call option (obligation to sell) | 10,461 | $76,365.30 | $798.86M |
| Purchase | Put option (right to sell) | 10,461 | $97,287.30 | $1.02B |
Footnotes (1)
- 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. Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, 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 and Purpose Alternative Credit Fund - T LLC, 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 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.
