DOSSIER · 13F Holders · Q2 2026

ENCORE ENERGY CORP

5 institutions still hold ENCORE ENERGY CORP as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 29259W900·5 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$3M
visible holders
Holders
5
filers reporting
Concentration
38.95%
GROUP ONE TRADING LLC #1
top holder share
AI Holders Summary · Q2 2026

5 institutions reported ENCORE ENERGY CORP in Q2 2026. GROUP ONE TRADING LLC leads at 38.9% 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
$1M806K0.00%Q2 2026
02
CIBC Bancorp USA Inc.
CIK 0001711924
$871K665K0.00%Q2 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$462K353K0.00%Q2 2026
04
IMC-Chicago, LLC
CIK 0001452861· Market maker
$321K245K0.00%Q2 2026
05
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025