CoreWeave Founders Sell $2.3B After 150% Post-IPO Rally
CRWV•CoreWeave’s founders have sold $2.3 billion in shares since the March 2025 IPO, cutting their combined stake by nearly 25% to about 18% of outstanding equity. The stock has risen over 150% since listing for a market capitalization near $56 billion, triggering 10b5-1 stock sale plans.
1. Insider Sales Totals
Three billionaire co-founders—Michael Intrator, Brannin McBee and Brian Venturo—have executed 10b5-1 trading plans to sell over $2.3 billion in CoreWeave shares since the lockup expired. Venturo alone sold more than $1.1 billion, ranking him the second-largest insider seller by value this year.
2. Ownership After Sales
The founders’ combined holding has fallen by nearly 25%, leaving them with about 18% of total shares, while Intrator remains the largest individual holder with 10.4%. Magnetar Financial also reduced its stake by half, selling $5.5 billion and now owning 9.7% of outstanding shares.
3. Stock Performance and Valuation
CoreWeave’s share price has climbed over 150% since its March 2025 IPO, boosting the company’s valuation to roughly $56 billion. Strong demand for AI data center capacity has driven investor enthusiasm and provided founders with significant liquidity opportunities.




