DOSSIER · 13F Holders · Q2 2026

ZIONS BANCORPORATION N A

6 institutions still hold ZIONS BANCORPORATION N A as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 989701907·6 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$19M
visible holders
Holders
6
filers reporting
Concentration
34.90%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q2 2026

6 institutions reported ZIONS BANCORPORATION N A in Q2 2026. IMC-Chicago, LLC leads at 34.9% 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
$7M95K0.00%Q2 2026
02
SIMPLEX TRADING, LLC
CIK 0001488542
$6M87K0.00%Q2 2026
03
Optiver Holding B.V.
CIK 0001859606· Market maker
$5M66K0.00%Q2 2026
04
GROUP ONE TRADING LLC
CIK 0000932540
$2M24K0.00%Q2 2026
05
SG Americas Securities, LLC
CIK 0001313360
$44K58K0.00%Q1 2026
06
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025