Quick Takeaways
- CITADEL ADVISORS LLC filed SCHEDULE 13G/A for NioCorp Developments Ltd. Common Shares, without par value (the "Shares") (NB).
- Disclosed ownership: 0.4%.
- Date of event: 31 Dec 2025.
CITADEL ADVISORS LLC - 31 Dec 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
- Symbol
- NB
- Disclosed Ownership
- 507,790 shares
- Ownership
- 0.4%
- Form type
- SCHEDULE 13G/A
- Filing time
- 17 Feb 2026, 16:36:13 UTC
- Date of event
- 31 Dec 2025
- Previous filing
- 14 Nov 2025
- Next filing
- 08 Apr 2026
- SEC
- View on sec.gov
Quoteable Key Fact
"CITADEL ADVISORS LLC disclosed 0.4% ownership in NioCorp Developments Ltd. Common Shares, without par value (the "Shares") (NB) on 31 Dec 2025."
What Changed
- Previous schedule filing date: 14 Nov 2025.
- Current filing was accepted on 17 Feb 2026, 16:36.
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
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (7)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Citadel Advisors LLC | 0% | 36,188 | 0 | 36,188 | /s/ Seth Levy | Seth Levy, Authorized Signatory | |
| Citadel Advisors Holdings LP | 0% | 36,188 | 0 | 36,188 | /s/ Seth Levy | Seth Levy, Authorized Signatory | |
| Citadel GP LLC | 0% | 36,188 | 0 | 36,188 | /s/ Seth Levy | Seth Levy, Authorized Signatory | |
| Citadel Securities LLC | 0.3% | 308,483 | 0 | 308,483 | /s/ Seth Levy | Seth Levy, Authorized Signatory | |
| Citadel Securities Group LP | 0.4% | 471,602 | 0 | 471,602 | /s/ Seth Levy | Seth Levy, Authorized Signatory | |
| Citadel Securities GP LLC | 0.4% | 471,602 | 0 | 471,602 | /s/ Seth Levy | Seth Levy, Authorized Signatory | |
| Kenneth Griffin | 0.4% | 507,790 | 0 | 507,790 | /s/ Seth Levy | Seth Levy, attorney-in-fact* |