13F Insight
DOSSIER · 13F Holders · Q2 2026

ISHARES TR

19 institutions still hold ISHARES TR as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 464287905·19 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$15.0B
visible holders
Holders
19
filers reporting
Concentration
67.42%
Optiver Holding B.V. #1
top holder share
AI Holders Summary · Q2 2026

19 institutions reported ISHARES TR in Q2 2026. Optiver Holding B.V. leads at 67.4% 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
$10.1B33.9M2.73%Q2 202602
IMC-Chicago, LLC
CIK 0001452861· Market maker
$1.9B8.1M0.45%Q2 202603
JPMORGAN CHASE & CO
CIK 0000019617
$1.3B5.4M0.07%Q2 202604
AKUNA SECURITIES LLC
CIK 0001529090
$646M2.1M1.80%Q2 202605
Bracebridge Capital, LLC
CIK 0001426486
$415M14K7.50%Q2 202606
Maven Securities LTD
CIK 0001633046
$368M1.5M7.27%Q2 202607
GROUP ONE TRADING LLC
CIK 0000932540
$155M1.7M0.22%Q2 202608
Absolute Gestao de Investimentos Ltda.
CIK 0001622610
$62M600K6.27%Q2 202609
SG Americas Securities, LLC
CIK 0001313360
$25M3.1M0.03%Q1 202610
HRT FINANCIAL LP
CIK 0001475597
$15M159K0.05%Q4 202511
SABBY MANAGEMENT, LLC
CIK 0001535610
$13M44212.02%Q2 202612
KCM Capital Inc
CIK 0002026745
$2M3.2M0.37%Q2 202613
Northstar Advisory Group, LLC
CIK 0001816000
$751K3K0.23%Q2 202614
Marathon Trading Investment Management LLC
CIK 0001572748
$480K5K0.01%Q2 202615
CI INVESTMENTS INC.
CIK 0001163648
$417K3610.00%Q2 202616
Itau Unibanco Holding S.A.
CIK 0001132597
$13K130.00%Q2 202617
OSAIC HOLDINGS, INC.
CIK 0001677044
$12K100.00%Q2 202618
Integrated Wealth Concepts LLC
CIK 0001737109
$6K3200.00%Q2 202619
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025