Magnetar Financial LLC - Jun 30, 2025 SCHEDULE 13G/A Report for Churchill Capital Corp IX Class A ordinary shares, par value $0.0001 (CCIX)

Filing Manager
Magnetar Financial LLC
Reporting Manager
MAGNETAR FINANCIAL LLC
Security
Churchill Capital Corp IX Class A ordinary shares, par value $0.0001
Symbol
CCIX
Shares outstanding
29.5M shares
Disclosed Ownership
1.98M shares
Ownership
6.72%
Form type
SCHEDULE 13G/A
Date filed
8/8/2025, 08:43 AM
Date of event
Jun 30, 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 6.72% 1.98M 0 1.98M /s/ Hayley Stein Hayley Stein, Attorney-in-fact for David J. Snyderman, Manager of Supernova Management LLC
MAGNETAR CAPITAL PARTNERS LP 6.72% 1.98M 0 1.98M /s/ Hayley Stein Hayley Stein, Attorney-in-fact for David J. Snyderman, Manager of Supernova Management LLC
SUPERNOVA MANAGEMENT LLC 6.72% 1.98M 0 1.98M /s/ Hayley Stein Hayley Stein, Attorney-in-fact for David J. Snyderman, Manager of Supernova Management LLC
DAVID J. SNYDERMAN 6.72% 1.98M 0 1.98M /s/ Hayley Stein Hayley Stein, Attorney-in-fact for David J. Snyderman, Manager of Supernova Management LLC