Form 4: Magnetar Funds Establish Collar on CoreWeave Stock

Magnetar Financial and related entities have established a collar arrangement on 790,000 shares of CoreWeave, Inc. Class A Common Stock, involving call options at $160 and put options at $70, expiring March 20, 2026.

Summary

• Magnetar Financial LLC and its related entities, including Magnetar Capital Partners LP, Supernova Management LLC, and David J. Snyderman, have reported a series of derivative transactions involving CoreWeave, Inc. Class A Common Stock.
• The transactions, executed on August 27, 2025, involve a collar arrangement for a total of 790,000 shares.
• This arrangement consists of writing covered call options with a strike price of $160 and purchasing put options with a strike price of $70.
• All derivative securities have an expiration date of March 20, 2026.
• The total value of the call options written is approximately $5,840,000, while the total value of the put options purchased is approximately $7,430,000.
• The beneficial ownership of underlying shares following these transactions is approximately 1,508,000 shares, held indirectly by various Magnetar Funds.
• The reporting persons disclaim beneficial ownership of these shares except to the extent of their pecuniary interest.

Sentiment

Score: 6

Explanation: The filing reports a standard hedging transaction by a significant shareholder. While it indicates a desire to manage risk and potentially cap upside, it doesn't inherently signal strong negative or positive sentiment about the company's future performance beyond the defined option range. It's a neutral-to-slightly-positive signal of active portfolio management.

Positives

• The collar strategy indicates a defined risk/reward profile for the underlying shares, potentially limiting downside exposure while capping upside gains.
• The reporting persons are significant stakeholders, identified as a 10% owner and having a director relationship with CoreWeave, Inc.

Negatives

• The establishment of a collar arrangement suggests a desire to hedge against potential price declines, which could be interpreted as a lack of strong conviction for significant upside beyond the call strike price.
• The put options purchased at a $70 strike price indicate a floor for potential losses, but also acknowledge the possibility of the stock falling to that level.

Risks

• Market Price Volatility: The value of the options and the underlying shares are subject to market fluctuations.
• Option Expiration: If neither the call nor the put option is in-the-money at expiration (March 20, 2026), both options will expire worthless, resulting in the loss of the premium paid for the put option and the foregone premium from the call option.
• Limited Upside: The written call options cap the potential gains from the underlying shares if the stock price rises above $160.
• Limited Downside Protection: The purchased put options provide protection only down to the $70 strike price, meaning losses can still occur if the stock falls below this level.

Future Outlook

The filing indicates that only one of the options (call or put) can be in-the-money on the expiration date of March 20, 2026, at which point it will be exercised and settled in shares, while the other option will expire. If neither option is in-the-money, both will expire. This outlines the potential outcomes of the derivative positions.

Industry Context

This transaction reflects a sophisticated hedging strategy employed by a significant institutional investor (Magnetar Financial) in a company (CoreWeave, Inc.) where it holds a substantial stake and board representation. Such collar arrangements are common among large shareholders seeking to manage risk and lock in a range of potential returns on their equity holdings, particularly in potentially volatile or high-growth sectors.

Comparison to Industry Standards

• Collar strategies are a standard risk management tool used by institutional investors and large shareholders to protect against downside risk while participating in some upside.
• The specific strike prices ($70 put, $160 call) define a particular risk/reward profile for CoreWeave, Inc. shares, suggesting Magnetar's expectation of the stock trading within this range until March 20, 2026.
• Comparable strategies are often seen in technology or high-growth companies where large investors seek to de-risk positions without fully divesting.

Related Party Transactions

• The filing details transactions by Magnetar Financial LLC and its related entities (Magnetar Capital Partners LP, Supernova Management LLC, David J. Snyderman) who are identified as a 10% owner and have a director relationship with CoreWeave, Inc. This constitutes a related party transaction in the context of insider reporting.

Stakeholder Impact

• Shareholders: The collar arrangement by a major institutional investor could be seen as a signal of risk management, potentially influencing other investors' perceptions of the stock's near-term price trajectory. It defines a range within which a significant block of shares is expected to trade.
• Company (CoreWeave, Inc.): The transaction itself does not directly impact CoreWeave's operations or financial health, but it reflects a major shareholder's strategy regarding its equity.

Next Steps

• The options will expire on March 20, 2026, at which point either the call or put option will be exercised, or both will expire.

Key Dates

Recommendation

The filing details a hedging strategy by a major institutional investor, indicating a desire to manage risk and define a price range for their holdings. This action does not provide a strong signal for a "buy" or "sell" recommendation, but rather suggests a "hold" as the investor is maintaining their position while mitigating downside and capping upside. It implies a belief that the stock will trade within the $70-$160 range until the options expire.

Keywords

CoreWeave, CRWV, Magnetar Financial, SEC Form 4, Beneficial Ownership, Derivative Securities, Call Option, Put Option, Collar Strategy, Hedge, Institutional Investor, 10% Owner