DOSSIER · 13F Holders · Q2 2026
BEG

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 88340F209·10 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$13M
visible holders
Holders
10
filers reporting
Concentration
45.58%
CITADEL ADVISORS LLC #1
top holder share
AI Holders Summary · Q2 2026

10 institutions reported BEG in Q2 2026. CITADEL ADVISORS LLC leads at 45.6% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
CITADEL ADVISORS LLC
CIK 0001423053
$6M71K0.00%Q2 2026
02
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$5M65K0.00%Q2 2026
03
Optiver Holding B.V.
CIK 0001859606· Market maker
$530K6K0.00%Q2 2026
04
IMC-Chicago, LLC
CIK 0001452861· Market maker
$475K6K0.00%Q2 2026
05
Belvedere Trading LLC
CIK 0001632341
$360K4K0.00%Q2 2026
06
SIMPLEX TRADING, LLC
CIK 0001488542
$126K2K0.00%Q2 2026
07
HOLLENCREST CAPITAL MANAGEMENT
CIK 0001161722
$60K7140.00%Q2 2026
08
SBI Securities Co., Ltd.
CIK 0001851815
$59K1K0.00%Q3 2026
09
GROUP ONE TRADING LLC
CIK 0000932540
$8K1000.00%Q2 2026
10
Tower Research Capital LLC (TRC)
CIK 0001533421
$25130.00%Q2 2026