Magnetar Financial LLC - 31 Dec 2025 SCHEDULE 13G Report for Churchill Capital Corp XI Class A ordinary shares, par value $0.0001 (CCXIU)

Filing Manager
Magnetar Financial LLC
Reporting Manager
MAGNETAR FINANCIAL LLC
Security
Churchill Capital Corp XI Class A ordinary shares, par value $0.0001
Symbol
CCXIU
Shares outstanding
41,925,466 shares
Disclosed Ownership
2,700,000 shares
Ownership
6.4%
Form type
SCHEDULE 13G
Filing time
17 Feb 2026, 08:31:38 UTC
Date of event
31 Dec 2025
SEC
View on sec.gov

Reporting Managers (4)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
MAGNETAR FINANCIAL LLC 6.4% 2,700,000 0 2,700,000 /s/ Hayley Stein Name: Hayley Stein, Title: Attorney-in-fact for David J. Snyderman, Administrative Manager of Supernova Management LLC
MAGNETAR CAPITAL PARTNERS LP 6.4% 2,700,000 0 2,700,000 /s/ Hayley Stein Name: Hayley Stein, Title: Attorney-in-fact for David J. Snyderman, Administrative Manager of Supernova Management LLC
SUPERNOVA MANAGEMENT LLC 6.4% 2,700,000 0 2,700,000 /s/ Hayley Stein Name: Hayley Stein, Title: Attorney-in-fact for David J. Snyderman, Administrative Manager of Supernova Management LLC
DAVID J. SNYDERMAN 6.4% 2,700,000 0 2,700,000 /s/ Hayley Stein Name: Hayley Stein, Title: Attorney-in-fact for David J. Snyderman, Administrative Manager of Supernova Management LLC