DOSSIER · 13F Holders · Q2 2026

NORTHERN DYNASTY MINERALS LT

4 institutions still hold NORTHERN DYNASTY MINERALS LT as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 66510M904·4 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$3M
visible holders
Holders
4
filers reporting
Concentration
40.87%
GROUP ONE TRADING LLC #1
top holder share
AI Holders Summary · Q2 2026

4 institutions reported NORTHERN DYNASTY MINERALS LT in Q2 2026. GROUP ONE TRADING LLC leads at 40.9% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
GROUP ONE TRADING LLC
CIK 0000932540
$1M677K0.00%Q2 2026
02
SIMPLEX TRADING, LLC
CIK 0001488542
$1M629K0.00%Q2 2026
03
IMC-Chicago, LLC
CIK 0001452861· Market maker
$672K350K0.00%Q2 2026
04
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025