Magnetar Sells $213.8M of CoreWeave Stock, Trimming Stake to 16.9M Shares
CRWV sits 74% above its 52-week low of $60.55.
Summary
Magnetar Financial LLC sold $213.8 million of CoreWeave stock on August 13, reducing its stake to 16.9 million shares.
Key Events · Ownership and Investor Activity · CRWV
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Magnetar Sells $213.8M in Stock
On August 13, 2026, Magnetar Financial LLC sold 1,921,259 shares of CoreWeave Class A Common Stock for $213,781,346.60, at prices ranging from $107.75 to $115.61.
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Stake Reduced to 16.9M Shares
Post-transaction holdings stand at 16,910,479 shares, down from 18,831,738 shares before the sale.
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Continued Distribution by 10% Owner
This sale follows Magnetar's prior sales of call options on CoreWeave, indicating a pattern of reducing exposure to the company.
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Transaction Represents 0.375% of Market Cap
The $213.8 million sale is a notable but not overwhelming percentage of CoreWeave's $57 billion market capitalization.
Analysis · CRWV · Technology
A major institutional holder is trimming its position. Magnetar Financial LLC, a 10% owner of CoreWeave, sold 1,921,259 shares for $213.8 million on August 13, 2026, reducing its stake to 16.9 million shares. This open-market sale follows a pattern of Magnetar reducing its exposure to CoreWeave, including prior sales of call options. While the sale represents only 0.375% of the company's market cap, the dollar amount is substantial and signals continued distribution by a key investor.
How filings like this one have moved
In the 30 days to Oct 20, 2026, 29.2% of the 1466 measured filings Wiseek scored 7 moved their stock by 5% or more by the next session's close. The median move was -0.57%. 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 7 out of 10.