Citadel Securities GP LLC - 14 Oct 2025 SCHEDULE 13G Report for Nano Nuclear Energy Inc. Common stock, par value $0.0001 per share (the "Shares") (NNE)

Filing Manager
Citadel Securities GP LLC
Reporting Manager
Kenneth Griffin
Security
Nano Nuclear Energy Inc. Common stock, par value $0.0001 per share (the "Shares")
Symbol
NNE
Shares outstanding
49,984,020 shares
Disclosed Ownership
2,549,185 shares
Ownership
5.1%
Form type
SCHEDULE 13G
Filing time
21 Oct 2025, 18:25:50 UTC
Date of event
14 Oct 2025
SEC
View on sec.gov

Reporting Managers (7)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Citadel Securities GP LLC 2.7% 1,347,866 0 1,347,866 /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Securities LLC 2.5% 1,275,500 0 1,275,500 /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Securities Group LP 2.7% 1,347,866 0 1,347,866 /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Advisors LLC 2.4% 1,201,319 0 1,201,319 /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Advisors Holdings LP 2.4% 1,201,319 0 1,201,319 /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel GP LLC 2.4% 1,201,319 0 1,201,319 /s/ Seth Levy Seth Levy, Authorized Signatory
Kenneth Griffin 5.1% 2,549,185 0 2,549,185 /s/ Seth Levy Seth Levy, attorney-in-fact*