Magnetar Financial LLC (Snyderman David J.) sold $213.8M of CRWV (indirect holdings)
Magnetar Financial LLC sold 1,921,259 indirectly-held shares of CoreWeave, Inc. (CRWV) at an average of $111.27 ($107.75–$115.61, $213.78M total) across 27 trades on 2026-08-13. Filed jointly with Magnetar Capital Partners LP (10% owner), Supernova Management LLC (10% owner) and Snyderman David J. (10% owner).
How this was made
The 30-second read
Why it matters
A $213.8M open-market sale by a 10% owner group can influence short-term sentiment and options positioning, but it does not change CoreWeave’s operating outlook based on the provided text.
Market read
Traders may monitor CRWV for near-term sentiment effects from a large 10% owner sale, but the filing provides no new fundamentals.
What to watch
Because the transaction is indirect and the filing does not state a 10b5-1 plan, traders should avoid over-interpreting intent; also, the market may already have priced the sale if it was executed during normal trading hours.
Background
The article is an SEC Form 4 insider transaction disclosure for CoreWeave, Inc. (CRWV) involving Magnetar Financial LLC and co-reporting 10% owners.
Ticker impact
CoreWeave disclosed a Form 4 showing Magnetar sold $213.8M of CRWV shares via indirect holdings on 2026-08-13.
Modest negative bias for the next few sessions, with limited fundamental read-through.
The filing is primary-source and material in dollar terms, but it does not provide new company fundamentals or a stated catalyst; indirect holdings and absence of a 10b5-1 plan reduce interpretability rather than confirm intent.
Market effects
Limited direct sector signal; this is company-specific ownership activity rather than a sector-wide regulatory or demand shock.
None indicated.
None indicated.
Counterpoint
The sale may be portfolio rebalancing or liquidity management, especially given the multi-trade execution window and lack of any accompanying negative company-specific disclosure.
Key entities
- issuerCoreWeave, Inc.
Subject of the Form 4 insider transaction disclosure (CRWV).
- 10% ownerMagnetar Financial LLC
Reporter of the Form 4, selling CRWV indirectly via open-market transactions.
- 10% ownerSnyderman David J.
Co-reporting 10% owner listed on the joint filing; indirect holdings reduced after the sale.


