DOSSIER · 13F Holders · Q3 2026

PHILLIPS 66

7 institutions still hold PHILLIPS 66 as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 718546954·7 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$166M
visible holders
Holders
7
filers reporting
Concentration
54.38%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q3 2026

7 institutions reported PHILLIPS 66 in Q3 2026. IMC-Chicago, LLC leads at 54.4% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
IMC-Chicago, LLC
CIK 0001452861· Market maker
$90M354K0.02%Q3 2026
02
JPMORGAN CHASE & CO
CIK 0000019617
$26M104K0.00%Q3 2026
03
Optiver Holding B.V.
CIK 0001859606· Market maker
$18M108K0.00%Q2 2026
04
SIMPLEX TRADING, LLC
CIK 0001488542
$16M61K0.01%Q3 2026
05
GROUP ONE TRADING LLC
CIK 0000932540
$13M51K0.02%Q3 2026
06
HRT FINANCIAL LP
CIK 0001475597
$3M21K0.01%Q4 2025
07
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025