DOSSIER · 13F Holders · Q2 2026

AMERICAN EXPRESS CO

10 institutions still hold AMERICAN EXPRESS CO as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 025816959·10 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$450M
visible holders
Holders
10
filers reporting
Concentration
36.46%
Optiver Holding B.V. #1
top holder share
AI Holders Summary · Q2 2026

10 institutions reported AMERICAN EXPRESS CO in Q2 2026. Optiver Holding B.V. leads at 36.5% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
Optiver Holding B.V.
CIK 0001859606· Market maker
$164M485K0.04%Q2 2026
02
IMC-Chicago, LLC
CIK 0001452861· Market maker
$157M465K0.04%Q2 2026
03
CMT Capital Markets Trading GmbH
CIK 0001632813
$49M162K0.51%Q1 2026
04
GROUP ONE TRADING LLC
CIK 0000932540
$27M81K0.04%Q2 2026
05
SIMPLEX TRADING, LLC
CIK 0001488542
$26M78K0.02%Q2 2026
06
JPMORGAN CHASE & CO
CIK 0000019617
$20M58K0.00%Q2 2026
07
Capital Markets Trading UK LLP
CIK 0001719165
$6M20K0.07%Q1 2026
08
DV Trading LLC
CIK 0001721757
$393K1K0.01%Q1 2026
09
SG Americas Securities, LLC
CIK 0001313360
$247K18K0.00%Q1 2026
10
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025