13F Insight
DOSSIER · 13F Holders · Q2 2026

AMERICAN EXPRESS CO

13 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 025816909·13 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$523M
visible holders
Holders
13
filers reporting
Concentration
38.60%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q2 2026

13 institutions reported AMERICAN EXPRESS CO in Q2 2026. IMC-Chicago, LLC leads at 38.6% 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
$202M597K0.05%Q2 202602
Optiver Holding B.V.
CIK 0001859606· Market maker
$137M404K0.04%Q2 202603
CMT Capital Markets Trading GmbH
CIK 0001632813
$43M144K0.45%Q1 202604
GROUP ONE TRADING LLC
CIK 0000932540
$43M128K0.06%Q2 202605
SIMPLEX TRADING, LLC
CIK 0001488542
$43M127K0.03%Q2 202606
NATIONAL BANK OF CANADA /FI/
CIK 0000926171
$25M7400.02%Q2 202607
HRT FINANCIAL LP
CIK 0001475597
$17M46K0.05%Q4 202508
JPMORGAN CHASE & CO
CIK 0000019617
$11M32K0.00%Q2 202609
Capital Markets Trading UK LLP
CIK 0001719165
$1M4K0.01%Q1 202610
DV Trading LLC
CIK 0001721757
$605K2K0.01%Q1 202611
SG Americas Securities, LLC
CIK 0001313360
$217K21K0.00%Q1 202612
OSAIC HOLDINGS, INC.
CIK 0001677044
$10K10.00%Q2 202613
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025