DOSSIER · 13F Holders · Q3 2026
GLXU

ETF OPPORTUNITIES TRUST

4 institutions still hold ETF OPPORTUNITIES TRUST as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 26923Q580·4 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$631K
visible holders
Holders
4
filers reporting
Concentration
83.74%
CITADEL ADVISORS LLC #1
top holder share
AI Holders Summary · Q3 2026

4 institutions reported GLXU in Q3 2026. CITADEL ADVISORS LLC leads at 83.7% 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
$528K58K0.00%Q2 2026
02
Optiver Holding B.V.
CIK 0001859606· Market maker
$84K9K0.00%Q2 2026
03
SBI Securities Co., Ltd.
CIK 0001851815
$16K3K0.00%Q3 2026
04
SIMPLEX TRADING, LLC
CIK 0001488542
$3K5840.00%Q3 2026