Magnetar Financial LLC - 30 Sep 2025 SCHEDULE 13G/A Report for Terrestrial Energy Inc. Common Stock, par value $0.0001

Filing Manager
Magnetar Financial LLC
Reporting Manager
MAGNETAR FINANCIAL LLC
Security
Terrestrial Energy Inc. Common Stock, par value $0.0001
Shares outstanding
22,952,258 shares
Disclosed Ownership
142,304 shares
Ownership
0.62%
Form type
SCHEDULE 13G/A
Filing time
12 Nov 2025, 08:13:10 UTC
Date of event
30 Sep 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 0.62% 142,304 0 142,304 /s/ Hayley Stein Name: Hayley Stein Title: Attorney-in-fact for David J. Snyderman, Administrative Manager of Supernova Management LLC
MAGNETAR CAPITAL PARTNERS LP 0.62% 142,304 0 142,304 /s/ Hayley Stein Name: Hayley Stein Title: Attorney-in-fact for David J. Snyderman, Administrative Manager of Supernova Management LLC
SUPERNOVA MANAGEMENT LLC 0.62% 142,304 0 142,304 /s/ Hayley Stein Name: Hayley Stein Title: Attorney-in-fact for David J. Snyderman, Administrative Manager of Supernova Management LLC
DAVID J. SNYDERMAN 0.62% 142,304 0 142,304 /s/ Hayley Stein Name: Hayley Stein Title: Attorney-in-fact for David J. Snyderman, Manager of Administrative Supernova Management LLC