DOSSIER · 13F Holders · Q2 2026

ING GROEP N.V.

5 institutions still hold ING GROEP N.V. as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 456837953·5 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$5M
visible holders
Holders
5
filers reporting
Concentration
86.95%
Optiver Holding B.V. #1
top holder share
AI Holders Summary · Q2 2026

5 institutions reported ING GROEP N.V. in Q2 2026. Optiver Holding B.V. leads at 87.0% 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
$4M131K0.00%Q2 2026
02
IMC-Chicago, LLC
CIK 0001452861· Market maker
$270K9K0.00%Q2 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$220K7K0.00%Q2 2026
04
GROUP ONE TRADING LLC
CIK 0000932540
$126K4K0.00%Q2 2026
05
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025