Magnetar Financial LLC - 30 Sep 2025 SCHEDULE 13G/A Report for GSR III Acquisition Corp. Class A ordinary shares, par value $0.0001 (GSRT)

Filing Manager
Magnetar Financial LLC
Reporting Manager
MAGNETAR FINANCIAL LLC
Security
GSR III Acquisition Corp. Class A ordinary shares, par value $0.0001
Symbol
GSRT
Shares outstanding
23.4M shares
Disclosed Ownership
586K shares
Ownership
2.5%
Form type
SCHEDULE 13G/A
Filing time
12 Nov 2025, 08:23:10 UTC
Date of event
30 Sep 2025
Previous filing
08 Aug 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 2.5% 586K 0 586K /s/ Hayley Stein Hayley Stein, Attorney-in-fact for David J. Snyderman, Administrative Manager of Supernova Management LLC
MAGNETAR CAPITAL PARTNERS LP 2.5% 586K 0 586K /s/ Hayley Stein Hayley Stein, Attorney-in-fact for David J. Snyderman, Administrative Manager of Supernova Management LLC
SUPERNOVA MANAGEMENT LLC 2.5% 586K 0 586K /s/ Hayley Stein Hayley Stein, Attorney-in-fact for David J. Snyderman, Administrative Manager of Supernova Management LLC
DAVID J. SNYDERMAN 2.5% 586K 0 586K /s/ Hayley Stein Hayley Stein, Attorney-in-fact for David J. Snyderman, Administrative Manager of Supernova Management LLC