DOSSIER · 13F Holders · Q2 2026
ONDG

THEMES ETF TR

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

CUSIP 88340W798·10 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$1M
visible holders
Holders
10
filers reporting
Concentration
36.15%
StoneX Group Inc. #1
top holder share
AI Holders Summary · Q2 2026

10 institutions reported ONDG in Q2 2026. StoneX Group Inc. leads at 36.1% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
StoneX Group Inc.
CIK 0000913760
$426K67K0.02%Q2 2026
02
CITADEL ADVISORS LLC
CIK 0001423053
$390K117K0.00%Q2 2026
03
IMC-Chicago, LLC
CIK 0001452861· Market maker
$150K45K0.00%Q2 2026
04
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$110K21K0.00%Q1 2026
05
Belvedere Trading LLC
CIK 0001632341
$50K15K0.00%Q2 2026
06
GTS SECURITIES LLC
CIK 0001452765· Market maker
$33K10K0.00%Q2 2026
07
SBI Securities Co., Ltd.
CIK 0001851815
$11K5K0.00%Q3 2026
08
SIMPLEX TRADING, LLC
CIK 0001488542
$4K1K0.00%Q2 2026
09
Optiver Holding B.V.
CIK 0001859606· Market maker
$4K1K0.00%Q2 2026
10
GROUP ONE TRADING LLC
CIK 0000932540
$6662000.00%Q2 2026