30 institutions reported holding $16.9M of NIOCORP DEVS LTD (NIOBW) in SEC 13F filings for 2026-03-31. Largest institutional holders: GROUP ONE TRADING LLC ($4.3M), IMC-Chicago, LLC ($2.7M), BOOTHBAY FUND MANAGEMENT, LLC ($2.3M), Caption Management, LLC ($1.1M), ARISTEIA CAPITAL, L.L.C. ($1.1M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GROUP ONE TRADING LLC | $4.3M | 954,600 | Trimmed |
| 2 | IMC-Chicago, LLC | $2.7M | 598,400 | Added |
| 3 | BOOTHBAY FUND MANAGEMENT, LLC | $2.3M | 520,000 | Added |
| 4 | Caption Management, LLC | $1.1M | 668,553 | Added |
| 5 | ARISTEIA CAPITAL, L.L.C. | $1.1M | 662,240 | Added |
| 6 | SIMPLEX TRADING, LLC | $996,364 | 223,400 | Trimmed |
| 7 | Altshuler Shaham Ltd | $820,798 | 479,999 | Hold |
| 8 | PEAK6 LLC | $603,254 | 352,780 | Trimmed |
| 9 | MILLENNIUM MANAGEMENT LLC | $555,750 | 325,000 | Added |
| 10 | Blue Owl Capital Holdings LP | $524,964 | 320,100 | Trimmed |
| 11 | Oasis Management Co Ltd. | $446,000 | 100,000 | Hold |
| 12 | JANE STREET GROUP, LLC | $343,799 | 201,052 | Added |
| 13 | WOLVERINE ASSET MANAGEMENT LLC | $333,932 | 195,282 | Trimmed |
| 14 | Linden Advisors LP | $326,273 | 194,210 | Hold |
| 15 | Ethic Inc. | $97,812 | 21,931 | New |
| 16 | Ionic Capital Management LLC | $81,093 | 47,423 | Added |
| 17 | HRT FINANCIAL LP | $77,000 | 17,400 | New |
| 18 | Limestone Investment Advisors LP | $73,395 | 42,921 | Hold |
| 19 | D. E. Shaw & Co., Inc. | $72,506 | 44,211 | Hold |
| 20 | VR Advisory Services Ltd | $26,259 | 15,356 | Hold |
| 21 | NewEdge Advisors, LLC | $18,313 | 18,313 | Trimmed |
| 22 | Sanctuary Advisors, LLC | $17,100 | 10,000 | Hold |
| 23 | Flaharty Asset Management, LLC | $17,100 | 10,000 | Hold |
| 24 | EQUITEC PROPRIETARY MARKETS, LLC | $6,840 | 4,000 | Hold |
| 25 | UBS Group AG | $2,541 | 1,486 | New |
Source: SEC Form 13F filings · as of 2026-03-31