DOSSIER · 13F Holders · Q2 2026

ITAU UNIBANCO HLDG S A

5 institutions still hold ITAU UNIBANCO HLDG S A as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 465562956·5 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$10M
visible holders
Holders
5
filers reporting
Concentration
89.19%
Optiver Holding B.V. #1
top holder share
AI Holders Summary · Q2 2026

5 institutions reported ITAU UNIBANCO HLDG S A in Q2 2026. Optiver Holding B.V. leads at 89.2% 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
$8M1.0M0.00%Q2 2026
02
SIMPLEX TRADING, LLC
CIK 0001488542
$523K64K0.00%Q2 2026
03
Capital Markets Trading UK LLP
CIK 0001719165
$318K38K0.00%Q1 2026
04
GROUP ONE TRADING LLC
CIK 0000932540
$188K23K0.00%Q2 2026
05
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025