Magnetar Financial LLC - Jun 30, 2025 SCHEDULE 13G Report for Dune Acquisition Corp II Class A ordinary shares, par value $0.0001

Filing Manager
Magnetar Financial LLC
Reporting Manager
MAGNETAR FINANCIAL LLC
Security
Dune Acquisition Corp II Class A ordinary shares, par value $0.0001
Shares outstanding
14.4M shares
Disclosed Ownership
850K shares
Ownership
5.91%
Form type
SCHEDULE 13G
Date filed
8/8/2025, 08:44 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 5.91% 850K 0 850K /s/ Hayley Stein Hayley Stein, Attorney-in-fact for David J. Snyderman, Manager of Supernova Management LLC
MAGNETAR CAPITAL PARTNERS LP 5.91% 850K 0 850K /s/ Hayley Stein Hayley Stein, Attorney-in-fact for David J. Snyderman, Manager of Supernova Management LLC
SUPERNOVA MANAGEMENT LLC 5.91% 850K 0 850K /s/ Hayley Stein Hayley Stein, Attorney-in-fact for David J. Snyderman, Manager of Supernova Management LLC
DAVID J. SNYDERMAN 5.91% 850K 0 850K /s/ Hayley Stein Hayley Stein, Attorney-in-fact for David J. Snyderman, Manager of Supernova Management LLC