DOSSIER · 13F Holders · Q2 2026
ASMG

THEMES ETF TR

11 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 882927668·11 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$5M
visible holders
Holders
11
filers reporting
Concentration
28.23%
Optiver Holding B.V. #1
top holder share
AI Holders Summary · Q2 2026

11 institutions reported ASMG in Q2 2026. Optiver Holding B.V. leads at 28.2% 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
$1M21K0.00%Q2 2026
02
IMC-Chicago, LLC
CIK 0001452861· Market maker
$979K15K0.00%Q2 2026
03
GTS SECURITIES LLC
CIK 0001452765· Market maker
$974K15K0.02%Q2 2026
04
CITADEL ADVISORS LLC
CIK 0001423053
$721K32K0.00%Q4 2025
05
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$362K6K0.00%Q2 2026
06
DRW Securities, LLC
CIK 0001481986· Market maker
$241K4K0.01%Q2 2026
07
SBI Securities Co., Ltd.
CIK 0001851815
$126K2K0.00%Q2 2026
08
HOLLENCREST CAPITAL MANAGEMENT
CIK 0001161722
$65K1K0.00%Q2 2026
09
GROUP ONE TRADING LLC
CIK 0000932540
$12K1880.00%Q2 2026
10
Tower Research Capital LLC (TRC)
CIK 0001533421
$2K310.00%Q2 2026
11
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025