Magnetar funds (CRWV) sell call options on 1M CoreWeave shares
Filing Impact
Filing Sentiment
Form Type
4
Rhea-AI Filing Summary
CoreWeave, Inc. reported a Form 4 showing that investment funds advised by Magnetar Financial LLC and related entities entered into derivative sales tied to CoreWeave stock. On May 1, 2026, these Magnetar-managed funds sold call options labeled as an obligation to sell, referencing a total of 1,000,000 shares of CoreWeave Class A Common Stock. The options carry strike prices of $155 and $160 per share and expire on December 18, 2026. The positions are held indirectly by various Magnetar funds such as CW Opportunity 2 LP and CW Opportunity LLC, while Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman each disclaim beneficial ownership except for their pecuniary interest.
Positive
- None.
Negative
- None.
Insider Trade Summary
Net Seller: 1,000,000 shares ($1,412,352,963,338)
Net Sell
24 txns
Insider
Magnetar Financial LLC, Magnetar Capital Partners LP, Supernova Management LLC, Snyderman David J.
Role
null | null | null | null
Sold
1,000,000 shs ($1412.35B)
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Sale | Call option (obligation to sell) | 42,403 | $858,660.75 | $36.41B |
| Sale | Call option (obligation to sell) | 42,403 | $858,660.75 | $36.41B |
| Sale | Call option (obligation to sell) | 134,466 | $2,722,936.50 | $366.14B |
| Sale | Call option (obligation to sell) | 134,466 | $2,722,936.50 | $366.14B |
| Sale | Call option (obligation to sell) | 17,629 | $356,987.25 | $6.29B |
| Sale | Call option (obligation to sell) | 17,629 | $356,987.25 | $6.29B |
| Sale | Call option (obligation to sell) | 1,822 | $36,895.50 | $67.22M |
| Sale | Call option (obligation to sell) | 1,822 | $36,895.50 | $67.22M |
| Sale | Call option (obligation to sell) | 39,297 | $795,764.25 | $31.27B |
| Sale | Call option (obligation to sell) | 39,298 | $795,784.50 | $31.27B |
| Sale | Call option (obligation to sell) | 53,951 | $1,092,507.75 | $58.94B |
| Sale | Call option (obligation to sell) | 53,951 | $1,092,507.75 | $58.94B |
| Sale | Call option (obligation to sell) | 67,628 | $1,369,467.00 | $92.61B |
| Sale | Call option (obligation to sell) | 67,627 | $1,369,446.75 | $92.61B |
| Sale | Call option (obligation to sell) | 15,280 | $309,420.00 | $4.73B |
| Sale | Call option (obligation to sell) | 15,280 | $309,420.00 | $4.73B |
| Sale | Call option (obligation to sell) | 57,526 | $1,164,901.50 | $67.01B |
| Sale | Call option (obligation to sell) | 57,527 | $1,164,921.75 | $67.01B |
| Sale | Call option (obligation to sell) | 35,454 | $717,943.50 | $25.45B |
| Sale | Call option (obligation to sell) | 35,453 | $717,923.25 | $25.45B |
| Sale | Call option (obligation to sell) | 28,560 | $578,340.00 | $16.52B |
| Sale | Call option (obligation to sell) | 28,560 | $578,340.00 | $16.52B |
| Sale | Call option (obligation to sell) | 5,984 | $121,176.00 | $725.12M |
| Sale | Call option (obligation to sell) | 5,984 | $121,176.00 | $725.12M |
Holdings After Transaction:
Call option (obligation to sell) — 216,253 shares (Indirect, Footnotes)
Footnotes (1)
- Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, 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 DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) 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 administrative 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 DBA Magnetar Constellation Onshore Fund. They are not separate legal entities. 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.
Key Figures
Underlying shares for call options sold: 1,000,000 shares
Strike price series 1: $160 per share
Strike price series 2: $155 per share
+4 more
7 metrics
Underlying shares for call options sold
1,000,000 shares
Total underlying Class A Common Stock referenced in derivative sales on May 1, 2026
Strike price series 1
$160 per share
Conversion or exercise price on multiple call option positions expiring December 18, 2026
Strike price series 2
$155 per share
Alternative conversion or exercise price on related call option positions expiring December 18, 2026
Derivative sale count
24 transactions
Total number of derivative transactions reported in the Form 4
Net share direction
-1,000,000 shares
Net sell direction from transaction summary for underlying shares tied to options
Largest remaining derivative line item
671,085 options
Total shares following transaction for one call option position at $155–$160 strikes
Ten percent owner status
4 reporting persons
Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman listed as ten percent owners
Key Terms
Call option (obligation to sell), Class A Common Stock, beneficial ownership, pecuniary interest, +2 more
6 terms
Call option (obligation to sell) financial
"security_title: "Call option (obligation to sell)" on each derivative line"
Class A Common Stock financial
"underlying_security_title: "Class A Common Stock" for all option positions"
Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.
beneficial ownership financial
"disclaims beneficial ownership of these shares of Common Stock of the Issuer"
Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.
pecuniary interest financial
"disclaims beneficial ownership ... except to the extent of its or his pecuniary interest therein"
ten percent owner regulatory
"each reporting person flagged as is_ten_percent_owner: 1"
indirect ownership financial
"direct_or_indirect: "I" and ownership_type: "indirect" for all transactions"
FAQ
What are the strike prices and expiration date of the CoreWeave (CRWV) call options?
The call options reported have strike prices of $155 and $160 per share and expire on December 18, 2026. Each option is described as a call option with an obligation to sell CoreWeave Class A Common Stock at those exercise prices.
Are the CoreWeave (CRWV) option positions held directly by David J. Snyderman?
No, the filing states that the securities are held directly by specific Magnetar funds, not by David J. Snyderman personally. Snyderman and the other reporting entities disclaim beneficial ownership of the CoreWeave shares except for any pecuniary interest they may have.