Magnetar Financial Sells $14.2 Trillion in CoreWeave Call Options
CRWV sits 74% above its 52-week low of $60.55.
Summary
Magnetar Financial LLC, a 10% owner of CoreWeave, sold $14.2 trillion in call options on August 12, 2026, reducing its derivative exposure to the company.
Key Events · Ownership and Investor Activity · CRWV
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Massive Call Option Sale
Magnetar Financial LLC sold call options with a total value of $14,241,302,048,263 on August 12, 2026, covering 2,000,000 underlying shares.
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Derivative Exposure Reduced
The sale reduces Magnetar's obligation to sell CoreWeave shares at $130 per share, indicating a decrease in bullish derivative positioning.
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Prior Sale Pattern
This follows a prior sale of call options by Magnetar in June 2026, suggesting a continued reduction in derivative exposure.
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Post-Transaction Holdings
After the sale, Magnetar retains 627,486 shares of CoreWeave Class A common stock.
Analysis · CRWV · Technology
A derivative transaction of extraordinary scale has emerged from CoreWeave's filings. Magnetar Financial LLC, a 10% owner, sold call options valued at $14.2 trillion on August 12, 2026—a figure that dwarfs the company's $57 billion market cap. The sale of call options, which represent an obligation to sell, suggests Magnetar is reducing its exposure to CoreWeave's upside, potentially signaling a bearish outlook or portfolio rebalancing. The transaction covers 2 million underlying shares with an exercise price of $130, well above the current stock price of $105.19, indicating these are out-of-the-money options. This follows a prior sale of call options by Magnetar in June 2026, pointing to a pattern of reducing derivative exposure.
How filings like this one have moved
In the 30 days to Oct 18, 2026, 37.3% of the 930 measured filings Wiseek scored 8 moved their stock by 5% or more by the next session's close. The median move was -0.78%. These are measured outcomes after filings of this importance, not a forecast for this one.
Measured one observation per ticker per day, after exclusions. Current figures: Filing Impact Tracker · open dataset
At the time of this filing, CRWV was trading at $105.19 on NASDAQ in the Technology sector, with a market capitalization of approximately $57B. The 52-week trading range was $60.55 to $153.20. This filing was assessed with negative market sentiment and an importance score of 8 out of 10.