Magnetar Financial LLC
SEC insider (Form 3/4/5 filer). CIK 0001352851. 10% Owner at CoreWeave, Inc. (CRWV) and 1 other issuer. 2,471 reported Form 4/5 transactions since Sep 2024; latest on Sep 18, 2026. Located in EVANSTON, IL.
Companies Magnetar Financial LLC has filed insider reports for
- CoreWeave, Inc. (CRWV): 10% Owner
- Wheeler Real Estate Investment Trust, Inc. (WHLR): 10% Owner
Magnetar Financial LLC
CIK: 0001352851
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (2,471 total)
- Sep 18, 2026CRWV
CoreWeave, Inc.
ExpirationIndirectPut option (right to sell)
11.9K shares- - Sep 18, 2026CRWV
CoreWeave, Inc.
ExpirationIndirectCall option (obligation to sell)
353.7K shares- - Sep 18, 2026CRWV
CoreWeave, Inc.
ExpirationIndirectCall option (obligation to sell)
115.6K shares- - Sep 18, 2026CRWV
CoreWeave, Inc.
ExpirationIndirectCall option (obligation to sell)
11.9K shares- - Sep 18, 2026CRWV
CoreWeave, Inc.
ExpirationIndirectCall option (obligation to sell)
257.6K shares- - Sep 18, 2026CRWV
CoreWeave, Inc.
ExpirationIndirectPut option (right to sell)
257.6K shares- - Sep 18, 2026CRWV
CoreWeave, Inc.
ExpirationIndirectCall option (obligation to sell)
881.6K shares- - Sep 18, 2026CRWV
CoreWeave, Inc.
ExpirationIndirectPut option (right to sell)
881.6K shares- - Sep 18, 2026CRWV
CoreWeave, Inc.
ExpirationIndirectPut option (right to sell)
115.6K shares- - Sep 18, 2026CRWV
CoreWeave, Inc.
ExpirationIndirectPut option (right to sell)
353.7K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 18, 2026 |  CRWV CoreWeave, Inc. | Expiration Put option (right to sell) | 11,949 | - | - | Indirect |
| Sep 18, 2026 | CRWV CoreWeave, Inc. | Expiration Call option (obligation to sell) | 353,703 | - | - | Indirect |
| Sep 18, 2026 | CRWV CoreWeave, Inc. | Expiration Call option (obligation to sell) | 115,575 | - | - | Indirect |
| Sep 18, 2026 | CRWV CoreWeave, Inc. | Expiration Call option (obligation to sell) | 11,949 | - | - | Indirect |
| Sep 18, 2026 | CRWV CoreWeave, Inc. | Expiration Call option (obligation to sell) | 257,634 | - | - | Indirect |
| Sep 18, 2026 | CRWV CoreWeave, Inc. | Expiration Put option (right to sell) | 257,634 | - | - | Indirect |
| Sep 18, 2026 | CRWV CoreWeave, Inc. | Expiration Call option (obligation to sell) | 881,551 | - | - | Indirect |
| Sep 18, 2026 | CRWV CoreWeave, Inc. | Expiration Put option (right to sell) | 881,551 | - | - | Indirect |
| Sep 18, 2026 | CRWV CoreWeave, Inc. | Expiration Put option (right to sell) | 115,575 | - | - | Indirect |
| Sep 18, 2026 | CRWV CoreWeave, Inc. | Expiration Put option (right to sell) | 353,703 | - | - | Indirect |
1-10 of 2,471 transactions