DOSSIER · 13F Holders · Q2 2026
MSFX

ETF OPPORTUNITIES TRUST

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

CUSIP 26923N579·7 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$1M
visible holders
Holders
7
filers reporting
Concentration
46.32%
Optiver Holding B.V. #1
top holder share
AI Holders Summary · Q2 2026

7 institutions reported MSFX in Q2 2026. Optiver Holding B.V. leads at 46.3% 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
$572K39K0.00%Q2 2026
02
CITADEL ADVISORS LLC
CIK 0001423053
$366K25K0.00%Q2 2026
03
IMC-Chicago, LLC
CIK 0001452861· Market maker
$280K19K0.00%Q2 2026
04
GROUP ONE TRADING LLC
CIK 0000932540
$9K6000.00%Q2 2026
05
SIMPLEX TRADING, LLC
CIK 0001488542
$4K2950.00%Q2 2026
06
CREATIVE FINANCIAL DESIGNS INC /ADV
CIK 0000819864
$4K2630.00%Q2 2026
07
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025