
NioCorp Developments Ltd.
NioCorp Developments Ltd. (NB) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · NB · as of Sep 30, 2025
Ownership Breakdown
163
Institutional Holders
▲ 58 vs Q2
$214.16M
Total Inst. Value
▲ $183.65M vs Q2
145.59M
Shares Outstanding
freeFloat 97.70%
32.12M
13F Shares Held
▲ 19.03M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
NB largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
CITADEL ADVISORS LLC metal mining | 7.92M | 16.46% | 16.46% | $52.87B | Nov 14, 2025 | ▲ 7.92M |
BLACKROCK, INC. metal mining | 3.65M | 7.59% | 7.59% | $24.40B | Nov 12, 2025 | ▲ 1.08M |
ALYESKA INVESTMENT GROUP, L.P. metal mining | 2.80M | 5.82% | 5.82% | $18.71B | Nov 17, 2025 | ▲ 1.12M |
PRIVATE MANAGEMENT GROUP INC metal mining | 2.10M | 4.36% | 4.36% | $14.02B | Nov 13, 2025 | — held |
HITE HEDGE ASSET MANAGEMENT LLC metal mining | 1.46M | 3.04% | 3.04% | $9.77B | Nov 13, 2025 | NEW |
BREVAN HOWARD CAPITAL MANAGEMENT LP metal mining | 1.45M | 3.02% | 3.02% | $9.69B | Nov 14, 2025 | NEW |
MARSHALL WACE, LLP metal mining | 1.16M | 2.40% | 2.40% | $7.72B | Nov 13, 2025 | ▲ 996.3K |
STATE STREET CORP metal mining | 1.05M | 2.19% | 2.19% | $7.03B | Nov 14, 2025 | ▲ 676.0K |
SUSQUEHANNA INTERNATIONAL GROUP, LLP metal mining | 1.04M | 2.15% | 2.15% | $6.92B | Nov 14, 2025 | ▲ 809.7K |
GEODE CAPITAL MANAGEMENT, LLC metal mining | 863.1K | 1.79% | 1.79% | $5.77B | Nov 12, 2025 | ▲ 219.0K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
26
Increased
+16.63M shares17
New Positions
first time holders4
Decreased
−1.37M shares0
Sold Out
fully exitedNet shares change (top 50)
+15.26M
+16.63M / −1.37M
Net new holders
+39
17 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
NB insider trading · insider activity
Source: SEC Form 4
2
Buy transactions
2
Sell transactions
1.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Shah Neal S. Chief Financial Officer | Dec 15, 2025 | X-InTheMoney | 9,361 | $3.54 | $33.1K | 75.0K | Form 4 ↗ |
Shah Neal S. Chief Financial Officer | Dec 15, 2025 | X-InTheMoney | 9,361 | $3.54 | $33.1K | 0 | Form 4 ↗ |
Kehler Dean C director | Dec 15, 2025 | X-InTheMoney | 78,003 | $3.54 | $276.1K | 212.6K | Form 4 ↗ |
Kehler Dean C director | Dec 15, 2025 | X-InTheMoney | 78,003 | $3.54 | $276.1K | 0 | Form 4 ↗ |
Cleave Ernest M. Senior VP Business Development | Aug 18, 2025 | Award | 100,000 | $4.35 | $435.0K | 100.0K | Form 4 ↗ |
Fulton Anthony W director | Aug 18, 2025 | Award | 50,000 | $4.35 | $217.5K | 50.0K | Form 4 ↗ |
Sims James T. Chief Communications Officer | Aug 18, 2025 | Award | 250,000 | $4.35 | $1.09M | 250.0K | Form 4 ↗ |
Shah Neal S. Chief Financial Officer | Aug 18, 2025 | Award | 250,000 | $4.35 | $1.09M | 250.0K | Form 4 ↗ |
Oliver Peter Robert director | Aug 18, 2025 | Award | 60,000 | $4.35 | $261.0K | 60.0K | Form 4 ↗ |
Kehler Dean C director | Aug 18, 2025 | Award | 50,000 | $4.35 | $217.5K | 50.0K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
NioCorp Developments Ltd. (NB) is primarily owned by institutional investors, who hold approximately 22.1% of total shares outstanding. Company insiders own approximately 2.30%, while retail and public investors account for the remaining 75.64%.
The largest institutional shareholder of NioCorp Developments Ltd. is CITADEL ADVISORS LLC, holding approximately 7.92 million shares — equal to 16.46% of outstanding shares — as of September 30, 2025.
A total of 163 institutional investors currently hold NB stock, with a combined institutional value of approximately $214,160,309 as of the most recent 13F filing period.
Frequently asked questions
NB ownershipNioCorp Developments Ltd. (NB) is primarily owned by institutional investors, who hold approximately 22.1% of shares. The largest shareholder is CITADEL ADVISORS LLC with a 16.46% stake. Company insiders hold 2.30%. Data sourced from SEC Form 13F as of September 30, 2025.