NioCorp Developments Ltd. (NB) Ownership
NB ownership summary
as of October 17, 2026- Institutions
- 35.0% of shares outstanding
- Insiders
- 2.20% of shares outstanding
- Shares outstanding
- 145.8M
- Float
- 142.5M shares available to trade
- Short interest
- 7.87% 11.2M shares short
- Days to cover
- 4.70 short interest up 6.1% vs prior month
- Institutions 35.01%
- Insiders 2.20%
- Other investors 62.79%
NB top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 6.32% | 9.2M | $28.8M | +2.2M (+31.3%) | June 30, 2026 |
| 2 | Brevan Howard Capital Management LP | 4.85% | 7.1M | $22.1M | +590,000 (+9.1%) | June 30, 2026 |
| 3 | State Street Corp | 1.71% | 2.5M | $7.8M | +430,439 (+20.8%) | June 30, 2026 |
| 4 | Private Management Group Inc | 1.47% | 2.1M | $6.7M | — | June 30, 2026 |
| 5 | Geode Capital Management, LLC | 1.43% | 2.1M | $6.5M | +536,152 (+34.4%) | June 30, 2026 |
| 6 | Citigroup Inc | 1.40% | 2.0M | $6.4M | +896,345 (+78.7%) | June 30, 2026 |
| 7 | Citadel Advisors Llc | 1.24% | 1.8M | $5.7M | −4.4M (−70.8%) | June 30, 2026 |
| 8 | Northern Trust Corp | 0.89% | 1.3M | $4.1M | +183,935 (+16.5%) | June 30, 2026 |
| 9 | Vanguard Portfolio Management, LLC | 0.79% | 1.2M | $3.6M | +148,148 (+14.7%) | June 30, 2026 |
| 10 | The Goldman Sachs Group Inc | 0.74% | 1.1M | $3.4M | −2.2M (−67.4%) | June 30, 2026 |
| 11 | Deltroit Asset Management (UK) LLP | 0.59% | 868K | $2.7M | — | June 30, 2026 |
| 12 | Bridgewater Associates Inc | 0.59% | 867K | $2.7M | −15,835 (−1.8%) | June 30, 2026 |
| 13 | Millennium Management LLC | 0.56% | 814K | $2.5M | +606,854 (+293.4%) | June 30, 2026 |
| 14 | ALPS Advisors Inc | 0.46% | 668K | $2.1M | +83,720 (+14.3%) | June 30, 2026 |
| 15 | D. E. Shaw & Co LP | 0.41% | 595K | $1.9M | +368,586 (+162.7%) | June 30, 2026 |
| 16 | J. Goldman & Co LP | 0.35% | 516K | $1.6M | +447,765 (+651.9%) | June 30, 2026 |
| 17 | Squarepoint Ops LLC | 0.35% | 504K | $1.6M | −59,147 (−10.5%) | June 30, 2026 |
| 18 | JPMorgan Chase & Co | 0.32% | 473K | $1.5M | +424,791 (+884.6%) | June 30, 2026 |
| 19 | BNP Paribas Arbitrage, SA | 0.32% | 469K | $1.5M | +309,808 (+194.7%) | June 30, 2026 |
| 20 | Kingdon Capital Management LLC | 0.31% | 450K | $1.4M | — | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 13 holders added 7.2M shares and 4 cut 6.7M.
NB top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | iShares Russell 2000 ETF | 2.56% | 3.7M | $11.7M | −43,136 (−1.1%) | September 30, 2026 |
| 2 | Fidelity Small Cap Index | 1.08% | 1.6M | $4.9M | +13,467 (+0.9%) | July 31, 2026 |
| 3 | Vanguard Russell 2000 ETF | 0.57% | 824K | $2.6M | +20,669 (+2.6%) | August 31, 2026 |
| 4 | iShares Russell 2000 Growth ETF | 0.53% | 779K | $2.4M | −986 (−0.1%) | September 30, 2026 |
| 5 | Sprott Rare Earths Ex-China ETF | 0.48% | 697K | $2.2M | — | September 30, 2026 |
| 6 | iShares Russell 2000 Value ETF | 0.39% | 569K | $1.8M | +862 (+0.2%) | September 30, 2026 |
| 7 | iShares Micro-Cap ETF | 0.32% | 461K | $1.4M | −3,179 (−0.7%) | September 30, 2026 |
| 8 | Schwab Small Cap Index | 0.24% | 349K | $1.1M | — | August 31, 2026 |
| 9 | BMO Equal Weight Glbl BM Hdgd to CAD ETF | 0.20% | 288K | $900,644 | — | September 9, 2026 |
| 10 | Stt Strt SPDR® Russell2000 US SmCapETF | 0.20% | 286K | $893,906 | +13,696 (+5.0%) | August 31, 2026 |
| 11 | iShares Russell 2000 Small-Cap Idx Instl | 0.18% | 268K | $836,969 | — | August 31, 2026 |
| 12 | Sprott Critical Materials ETF | 0.17% | 251K | $784,812 | — | September 30, 2026 |
| 13 | iShares S&P/TSX Global Base Metals ETF | 0.16% | 240K | $750,234 | −1,412 (−0.6%) | September 30, 2026 |
| 14 | iShares MSCI Global Mtls&Mng Prdcrs ETF | 0.15% | 219K | $683,584 | — | September 30, 2026 |
| 15 | Nuveen Equity Index R6 | 0.13% | 195K | $608,959 | — | August 31, 2026 |
| 16 | Nuveen Small Cap Blend Idx R6 | 0.13% | 190K | $592,372 | — | August 31, 2026 |
| 17 | Vanguard US Momentum Factor ETF | 0.12% | 180K | $563,941 | −134,072 (−42.6%) | June 30, 2026 |
| 18 | EQ/2000 Managed Volatility IB | 0.10% | 141K | $441,294 | −14,074 (−9.1%) | August 31, 2026 |
| 19 | Xtrackers Russell 2000 ETF 1C | 0.09% | 131K | $409,612 | +5,652 (+4.5%) | August 31, 2026 |
| 20 | LVIP SSgA Small Cap Index Std | 0.07% | 103K | $320,938 | +30,000 (+41.3%) | June 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
NB shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns NB
Institutional investors own 35.0% of NioCorp Developments's shares and insiders 2.20%. The largest holder is BlackRock Inc with 6.32% of the shares (9.2M), as of June 30, 2026. Among the top 20 institutions, 13 added shares and 4 reduced their stake in the latest filings. Short interest is 7.87% of the float, or 4.70 days of average trading volume. The share count rose 841.7% since 2014.
Related: NB analyst forecast, NB key metrics. See the NB stock overview for the latest quote and news.
NB ownership FAQ
Who owns the most NioCorp Developments stock?
The largest shareholders of NioCorp Developments are BlackRock Inc (6.32%), Brevan Howard Capital Management LP (4.85%), State Street Corp (1.71%), Private Management Group Inc (1.47%), Geode Capital Management, LLC (1.43%).
What percentage of NioCorp Developments is owned by institutions?
Institutions hold 35.0% of NioCorp Developments's shares outstanding; insiders hold 2.20%.
Which funds own NioCorp Developments?
The largest fund holders of NioCorp Developments are iShares Russell 2000 ETF (2.56%), Fidelity Small Cap Index (1.08%), Vanguard Russell 2000 ETF (0.57%), iShares Russell 2000 Growth ETF (0.53%), Sprott Rare Earths Ex-China ETF (0.48%).
What is NioCorp Developments's short interest?
11.2M shares of NioCorp Developments were sold short, 7.87% of the float; at the average daily volume it would take 4.70 days to cover.
How many shares of NioCorp Developments are outstanding?
NioCorp Developments has 145.8M shares outstanding, of which 142.5M are in the public float.