Magnetar Sells $1.56 Trillion in CoreWeave Call Options
CRWV sits 74% above its 52-week low of $60.55.
Summary
Magnetar Financial LLC sold $1.56 trillion in CoreWeave call options on August 13, 2026, reducing its derivative position.
Key Events · Ownership and Investor Activity · CRWV
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Massive Call Option Sale
Magnetar Financial LLC sold 1,000,000 call options (obligation to sell) on August 13, 2026, with a total value of $1,558,695,003,742.40.
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Strike Prices and Expiration
The options have strike prices of $135 and $140, expiring March 19, 2027, indicating a bearish or hedging position on CoreWeave's stock.
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Pattern of Derivative Sales
This sale follows a $14.2 trillion sale reported on August 15, 2026, and a $13.5 trillion sale in June 2026, suggesting a sustained reduction in Magnetar's derivative exposure.
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10% Owner Activity
Magnetar Financial LLC is a 10% owner of CoreWeave, and this sale represents a significant reduction in its derivative position.
Analysis · CRWV · Technology
Magnetar Financial LLC, a 10% owner of CoreWeave, sold 1,000,000 call options (obligation to sell) on August 13, 2026, with a total value of $1.56 trillion. The options have strike prices of $135 and $140, expiring March 19, 2027. This is a massive derivative sale by a major shareholder, indicating a bearish or hedging stance on CoreWeave's stock. The sale follows a similar $14.2 trillion sale reported on August 15, 2026, and a $13.5 trillion sale in June 2026, suggesting a pattern of reducing exposure.
How filings like this one have moved
In the 30 days to Oct 22, 2026, 36.9% of the 1029 measured filings Wiseek scored 8 moved their stock by 5% or more by the next session's close. The median move was -0.77%. 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.