DOSSIER · 13F Holders · Q3 2026

VERMILION ENERGY INC

5 institutions still hold VERMILION ENERGY INC as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 923725955·5 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$4M
visible holders
Holders
5
filers reporting
Concentration
31.11%
SIMPLEX TRADING, LLC #1
top holder share
AI Holders Summary · Q3 2026

5 institutions reported VERMILION ENERGY INC in Q3 2026. SIMPLEX TRADING, LLC leads at 31.1% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
SIMPLEX TRADING, LLC
CIK 0001488542
$1M104K0.00%Q3 2026
02
IMC-Chicago, LLC
CIK 0001452861· Market maker
$977K86K0.00%Q3 2026
03
NATIONAL BANK OF CANADA /FI/
CIK 0000926171
$868K9280.00%Q2 2026
04
GROUP ONE TRADING LLC
CIK 0000932540
$765K67K0.00%Q3 2026
05
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025