DOSSIER · 13F Holders · Q2 2026

MIAMI INTL HLDGS INC

3 institutions still hold MIAMI INTL HLDGS INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 59356Q958·3 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$14M
visible holders
Holders
3
filers reporting
Concentration
79.28%
Swan Global Investments, LLC #1
top holder share
AI Holders Summary · Q2 2026

3 institutions reported MIAMI INTL HLDGS INC in Q2 2026. Swan Global Investments, LLC leads at 79.3% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
Swan Global Investments, LLC
CIK 0001591505
$11M322K0.33%Q2 2026
02
IMC-Chicago, LLC
CIK 0001452861· Market maker
$2M42K0.00%Q2 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$1M38K0.00%Q2 2026