Filing Manager
CITADEL ADVISORS LLC
Reporting Manager
Kenneth Griffin
Symbol
NB
Shares outstanding
96,966,476 shares
Disclosed Ownership
7,951,251 shares
Ownership
8.2%
Form type
SCHEDULE 13G/A
Filing time
14 Nov 2025, 16:04:45 UTC
Date of event
30 Sep 2025
Previous filing
25 Jul 2025
Next filing
17 Feb 2026

Sponsored

Quoteable Key Fact

"CITADEL ADVISORS LLC disclosed 8.2% ownership in NioCorp Developments Ltd. Common Shares, without par value (the "Shares") (NB) on 30 Sep 2025."

Quick Takeaways

  • CITADEL ADVISORS LLC filed SCHEDULE 13G/A for NioCorp Developments Ltd. Common Shares, without par value (the "Shares") (NB).
  • Disclosed ownership: 8.2%.
  • Date of event: 30 Sep 2025.

What Changed

  • Previous schedule filing date: 25 Jul 2025.
  • Current filing was accepted on 14 Nov 2025, 16:04.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Source Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (7)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Citadel Advisors LLC 7.9% 7,606,069 0 7,606,069 /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Advisors Holdings LP 7.9% 7,606,069 0 7,606,069 /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel GP LLC 7.9% 7,606,069 0 7,606,069 /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Securities LLC 0.4% 345,182 0 345,182 /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Securities Group LP 0.4% 345,182 0 345,182 /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Securities GP LLC 0.4% 345,182 0 345,182 /s/ Seth Levy Seth Levy, Authorized Signatory
Kenneth Griffin 8.2% 7,951,251 0 7,951,251 /s/ Seth Levy Seth Levy, attorney-in-fact*