DOSSIER · 13F Holders · Q3 2026

GENESIS ENERGY L P

4 institutions still hold GENESIS ENERGY L P as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 371927904·4 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$2M
visible holders
Holders
4
filers reporting
Concentration
74.42%
GROUP ONE TRADING LLC #1
top holder share
AI Holders Summary · Q3 2026

4 institutions reported GENESIS ENERGY L P in Q3 2026. GROUP ONE TRADING LLC leads at 74.4% 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
$1M103K0.00%Q3 2026
02
IMC-Chicago, LLC
CIK 0001452861· Market maker
$351K26K0.00%Q3 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$138K10K0.00%Q3 2026
04
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025