Magnetar funds sell call options on 2M CoreWeave (CRWV) Class A shares
Filing Impact
Filing Sentiment
Form Type
4
Rhea-AI Filing Summary
CoreWeave, Inc. insider update: Investment entities advised by Magnetar Financial LLC and related Magnetar affiliates entered into a series of derivative transactions tied to CoreWeave Class A common stock. On April 22, they sold call options referencing an aggregate 2,000,000 underlying shares at a $155 exercise price, with options expiring on December 18, 2026.
The options are described as a “call option (obligation to sell),” meaning the Magnetar-managed funds must deliver shares if the options are exercised. The positions are held indirectly through various Magnetar Funds, including CW Opportunity 2 LP and CW Opportunity LLC, while Magnetar entities and David J. Snyderman disclaim beneficial ownership except for their pecuniary interests.
Positive
- None.
Negative
- None.
Insights
Magnetar-managed funds sold call options on 2M CoreWeave shares at a $155 strike.
Entities advised by Magnetar Financial sold derivative call options linked to an aggregate 2,000,000 shares of CoreWeave Class A common stock. Each option has a $155 exercise price and an expiration date of December 18, 2026, creating an obligation to sell shares if exercised.
The transactions are coded as open-market sales of derivatives and are held indirectly through multiple Magnetar Funds, while Magnetar entities and David J. Snyderman disclaim beneficial ownership except for pecuniary interests. The filing does not list remaining derivative positions, suggesting these specific call option positions are newly reported here.
Because all reported trades are derivative call sales rather than immediate stock sales, the economic impact depends on future share prices and whether counterparties exercise the options by December 18, 2026. Subsequent filings may clarify any changes in CoreWeave-related positions at these Magnetar-managed funds.
Insider Trade Summary
Net Seller: 2,000,000 shares ($11,306,582,123,249)
Net Sell
12 txns
Insider
Magnetar Financial LLC, Magnetar Capital Partners LP, Supernova Management LLC, Snyderman David J.
Role
null | null | null | null
Sold
2,000,000 shs ($11306.58B)
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Sale | Call option (obligation to sell) | 173,850 | $3,529,155.00 | $613.54B |
| Sale | Call option (obligation to sell) | 536,619 | $10,893,365.70 | $5845.59B |
| Sale | Call option (obligation to sell) | 70,352 | $1,428,145.60 | $100.47B |
| Sale | Call option (obligation to sell) | 7,272 | $147,621.60 | $1.07B |
| Sale | Call option (obligation to sell) | 156,825 | $3,183,547.50 | $499.26B |
| Sale | Call option (obligation to sell) | 215,305 | $4,370,691.50 | $941.03B |
| Sale | Call option (obligation to sell) | 269,883 | $5,478,624.90 | $1478.59B |
| Sale | Call option (obligation to sell) | 60,979 | $1,237,873.70 | $75.48B |
| Sale | Call option (obligation to sell) | 229,573 | $4,660,331.90 | $1069.89B |
| Sale | Call option (obligation to sell) | 141,486 | $2,872,165.80 | $406.37B |
| Sale | Call option (obligation to sell) | 113,976 | $2,313,712.80 | $263.71B |
| Sale | Call option (obligation to sell) | 23,880 | $484,764.00 | $11.58B |
Holdings After Transaction:
Call option (obligation to sell) — 173,850 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 in call options: 2,000,000 shares
Exercise price: $155.00 per share
Number of derivative transactions: 12 transactions
+4 more
7 metrics
Underlying shares in call options
2,000,000 shares
Aggregate underlying CoreWeave Class A common stock
Exercise price
$155.00 per share
Conversion or exercise price of call options
Number of derivative transactions
12 transactions
Open-market sales of call options on April 22, 2026
Net share direction
2,000,000 shares net sold (derivative)
Net sell direction from transaction summary
Ten percent owner status
4 reporting persons flagged
Each reporting person marked as 10% owner
Derivative type
Call option (obligation to sell)
Security title for all reported transactions
Expiration date
December 18, 2026
Option exercise and expiration date
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)""
Class A Common Stock financial
"underlying_security_title: "Class A Common Stock""
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 regulatory
"disclaims beneficial ownership of these shares of Common Stock"
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
"except to the extent of its or his pecuniary interest therein"
ten percent owner regulatory
"each reporting person is marked as is_ten_percent_owner: 1"
investment adviser financial
"Magnetar Financial LLC serves as the investment adviser to each of CW Opportunity 2 LP"
An investment adviser is a person or firm that professionally manages money and gives recommendations about buying, selling, or holding investments. Like a financial coach or guide, they have a legal duty to act in a client's best financial interest, so their advice, fees and potential conflicts can directly affect returns and risk — making their role important for investors who want informed, accountable help with portfolios.
FAQ
What is the strike price and expiration for the CoreWeave call options sold?
Each reported call option has a $155 conversion or exercise price and an expiration date of December 18, 2026. This defines the price and time window under which counterparties can require delivery of CoreWeave Class A shares.
Do Magnetar and David J. Snyderman claim full beneficial ownership of these CoreWeave positions?
No. The filing states that the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management, and David J. Snyderman disclaim beneficial ownership, except to the extent of their pecuniary interest in the reported CoreWeave common stock.
Are these CoreWeave transactions common stock sales or derivative trades by Magnetar funds?
They are derivative trades. The filing describes each position as a “call option (obligation to sell)” on CoreWeave Class A common stock, rather than immediate open-market sales of the underlying shares themselves.