Citadel Advisors Llc - Sep 30, 2025 SCHEDULE 13G/A Report for NioCorp Developments Ltd. Common Shares, without par value (the "Shares") (NB)

Filing Manager
Citadel Advisors Llc
Reporting Manager
Kenneth Griffin
Security
NioCorp Developments Ltd. Common Shares, without par value (the "Shares")
Symbol
NB
Shares outstanding
97M shares
Disclosed Ownership
7.95M shares
Ownership
8.2%
Form type
SCHEDULE 13G/A
Date filed
11/14/2025, 04:04 PM
Date of event
Sep 30, 2025
Previous filing
Jul 25, 2025
SEC
View on sec.gov

Reporting Managers (7)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Citadel Advisors LLC 7.9% 7.61M 0 7.61M /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Advisors Holdings LP 7.9% 7.61M 0 7.61M /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel GP LLC 7.9% 7.61M 0 7.61M /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Securities LLC 0.4% 345K 0 345K /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Securities Group LP 0.4% 345K 0 345K /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Securities GP LLC 0.4% 345K 0 345K /s/ Seth Levy Seth Levy, Authorized Signatory
Kenneth Griffin 8.2% 7.95M 0 7.95M /s/ Seth Levy Seth Levy, attorney-in-fact*