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 Mar 31, 2025
Ownership Breakdown
67
Institutional Holders
▲ 7 vs Q4
$9.19M
Total Inst. Value
▲ $4.26M vs Q4
145.59M
Shares Outstanding
freeFloat 97.70%
4.62M
13F Shares Held
▲ 1.44M vs Q4
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
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
ARMISTICE CAPITAL, LLC metal mining | 1.31M | 3.17% | 3.17% | $2.57B | May 15, 2025 | NEW |
VANGUARD GROUP INC metal mining | 1.06M | 2.57% | 2.57% | $2.09B | May 9, 2025 | ▲ 123.5K |
NORTHERN TRUST CORP metal mining | 591.7K | 1.44% | 1.44% | $1.17B | May 13, 2025 | ▼ 40.7K |
KINGDON CAPITAL MANAGEMENT, L.L.C. metal mining | 314.5K | 76.39% | 76.39% | $619.50M | May 15, 2025 | — held |
PFG ADVISORS metal mining | 181.2K | 44.01% | 44.01% | $356.90M | May 6, 2025 | ▲ 143.8K |
CABLE CAR CAPITAL LLC metal mining | 174.0K | 42.26% | 42.26% | $342.71M | May 15, 2025 | — held |
UBS GROUP AG metal mining | 160.5K | 38.99% | 38.99% | $316.19M | May 13, 2025 | NEW |
SUSQUEHANNA INTERNATIONAL GROUP, LLP metal mining | 142.7K | 34.66% | 34.66% | $281.12M | May 14, 2025 | NEW |
BLACKROCK, INC. metal mining | 88.6K | 21.53% | 21.53% | $174.59M | May 2, 2025 | ▼ 13.7K |
CITADEL ADVISORS LLC metal mining | 79.1K | 19.21% | 19.21% | $155.76M | May 15, 2025 | ▼ 46.5K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
13
Increased
+331.9K shares10
New Positions
first time holders10
Decreased
−141.0K shares0
Sold Out
fully exitedNet shares change (top 50)
+190.9K
+331.9K / −141.0K
Net new holders
+13
10 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 3.2% of total shares outstanding. Company insiders own approximately 2.30%, while retail and public investors account for the remaining 94.53%.
The largest institutional shareholder of NioCorp Developments Ltd. is ARMISTICE CAPITAL, LLC, holding approximately 1.31 million shares — equal to 3.17% of outstanding shares — as of March 31, 2025.
A total of 67 institutional investors currently hold NB stock, with a combined institutional value of approximately $9,190,646 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 3.2% of shares. The largest shareholder is ARMISTICE CAPITAL, LLC with a 3.17% stake. Company insiders hold 2.30%. Data sourced from SEC Form 13F as of March 31, 2025.