Quick Takeaways
- CITADEL ADVISORS LLC filed SCHEDULE 13G for NioCorp Developments Ltd. Common Shares, without par value (the "Shares") (NB).
- Disclosed ownership: 4.3%.
- Date of event: 25 Feb 2026.
CITADEL ADVISORS LLC - 25 Feb 2026 SCHEDULE 13G Report for NioCorp Developments Ltd. Common Shares, without par value (the "Shares") (NB)
- Filing Manager
- CITADEL ADVISORS LLC
- Reporting Manager
- Kenneth Griffin
- Symbol
- NB
- Shares outstanding
- 144,566,302 shares
- Disclosed Ownership
- 6,216,351 shares
- Ownership
- 4.3%
- Form type
- SCHEDULE 13G
- Filing time
- 08 Apr 2026, 19:51:52 UTC
- Date of event
- 25 Feb 2026
- Previous filing
- 17 Feb 2026
- SEC
- View on sec.gov
Quoteable Key Fact
"CITADEL ADVISORS LLC disclosed 4.3% ownership in NioCorp Developments Ltd. Common Shares, without par value (the "Shares") (NB) on 25 Feb 2026."
What Changed
- Previous schedule filing date: 17 Feb 2026.
- Current filing was accepted on 08 Apr 2026, 19:51.
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 | 3.4% | 4,932,309 | 0 | 4,932,309 | /s/ Seth Levy | Seth Levy, Authorized Signatory | |
| Citadel Advisors Holdings LP | 3.4% | 4,932,309 | 0 | 4,932,309 | /s/ Seth Levy | Seth Levy, Authorized Signatory | |
| Citadel GP LLC | 3.4% | 4,932,309 | 0 | 4,932,309 | /s/ Seth Levy | Seth Levy, Authorized Signatory | |
| Citadel Securities LLC | 0.3% | 441,050 | 0 | 441,050 | /s/ Seth Levy | Seth Levy, Authorized Signatory | |
| Citadel Securities Group LP | 0.9% | 1,284,042 | 0 | 1,284,042 | /s/ Seth Levy | Seth Levy, Authorized Signatory | |
| Citadel Securities GP LLC | 0.9% | 1,284,042 | 0 | 1,284,042 | /s/ Seth Levy | Seth Levy, Authorized Signatory | |
| Kenneth Griffin | 4.3% | 6,216,351 | 0 | 6,216,351 | /s/ Seth Levy | Seth Levy, attorney-in-fact* |