Niocorp Developments Ltd. -28NIOBWPreferred / convertible
13F holders, Q4 2025 (December 31)23holders
4new positions
4sold out
1famous investor
$2.37avg. 13F price*
At the end of Q4 2025, 23 institutions reported holding Niocorp Developments Ltd. -28 (NIOBW) in their 13F filings, unchanged from Q3 2025. 4 opened new positions and 4 sold out. The largest holders were Boothbay Fund Management, LLC ($2.7M), Blue Owl Capital Holdings LP ($1.7M) and Caption Management, LLC ($1.1M). One famous investor held it David E. Shaw ( of D. E. Shaw & Co.'s portfolio).
- Company
- Niocorp Developments Ltd. -28
- CUSIP
- 654484153
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 4 | $112K |
| Exits | 4 | $599K |
All 13F filers, Q3 2025 → Q4 2025: 1,469,250 shares bought and 556,131 shares sold, net +913,119 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 23 holders
| Boothbay Fund Management, LLC | — | Add +1175.0% | 510,000 | $2.7M |
| Blue Owl Capital Holdings LP | — | Add +60.3% | 876,148 | $1.7M |
| Caption Management, LLC | — | Add +353.9% | 617,756 | $1.1M |
| Aristeia Capital, L.L.C. | — | Reduce -6.7% | 557,901 | $1.1M |
| Altshuler Shaham Ltd | — | No change | 479,999 | $893K |
| Oasis Management Co Ltd. | — | No change | 100,000 | $530K |
| Wolverine Asset Management LLC | — | Add +107.0% | 244,758 | $455K |
| PEAK6 LLC | — | No change | 202,176 | $376K |
| Jane Street Group, LLC | — | Reduce 0.0% | 201,046 | $374K |
| Linden Advisors LP | — | No change | 194,210 | $366K |
| K2 Principal Fund, L.P. | — | New | 50,100 | $93K |
| D. E. Shaw & Co. | — | No change | 44,211 | $84K |
| Limestone Investment Advisors LP | — | Reduce -29.1% | 42,921 | $80K |
| Ionic Capital Management LLC | — | Reduce -85.0% | 29,581 | $55K |
| NewEdge Advisors, LLC | — | Add +5.6% | 19,334 | $36K |
| VR Advisory Services Ltd | — | No change | 15,356 | $29K |
| Flaharty Asset Management, LLC | — | No change | 10,000 | $19K |
| Sanctuary Advisors, LLC | — | New | 10,000 | $19K |
| Equitec Proprietary Markets, LLC | — | Reduce -20.0% | 4,000 | $7K |
| Pittenger & Anderson Inc. | — | No change | 300 | $558 |
| TD Capital Management LLC | — | New | 150 | $279 |
| Morgan Stanley | — | No change | 100 | $186 |
| Osaic Holdings, Inc. | — | New | 75 | $139 |
"% of holder's portfolio" is NIOBW's weight in each manager's 13F, not the share of Niocorp Developments Ltd. -28 the manager owns.