NioCorp Developments Ltd. (NB) ownership: Entities affiliated with Citadel Advisors LLC 12% · institutions 37% · index and ETF funds 1% (13F 2026-03-31). Insider activity, 90 days: 0 sales, 0 open-market buys. SEC EDGAR first-party data.
| Holder | Shares | Market Value | % Outstanding | Reported |
|---|---|---|---|---|
| BlackRock | 7017758.00 | $31.30M | 4.8% | 2026-03-31 |
| Brevan Howard Capital Management LP | 6485000.00 | $28.05M | 4.5% | 2026-03-31 |
| Citadel | 6204197.00 | $27.67M | 4.3% | 2026-03-31 |
| Alyeska Investment Group, L.P. | 4313607.00 | $19.24M | 3.0% | 2026-03-31 |
| Goldman Sachs | 3287363.00 | $14.66M | 2.3% | 2026-03-31 |
| Private Management Group Inc | 2145364.00 | $9.57M | 1.5% | 2026-03-31 |
| State Street | 2068059.00 | $9.22M | 1.4% | 2026-03-31 |
| Geode Capital Management | 1556532.00 | $6.94M | 1.1% | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-07-06 | |
| Sell | null | 2026-07-06 | |
| Sell | null | 2026-07-06 | |
| Sell | null | 2026-07-06 | |
| Sell | null | 2026-07-06 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.