Miami International Holdings, Inc.
MIAX- Exchange
- NYSE
- Industry
- Security Brokers, Dealers & Flotation Companies
- SEC CIK
- 0001438472
In the last 90 days, Miami International Holdings, Inc. insiders filed 0 open-market purchases and 27 sales; 206 institutions reported holding it in 13F filings for Q2 2026, worth $2.68B in total; no superinvestor holds it.
Superinvestors holding MIAX, Q2 2026
No superinvestor reported holding MIAX in Q2 2026.
Moves by quarter
Superinvestors that opened, added to, trimmed or sold out of MIAX each quarter, comparing shares with the quarter before. A superinvestor that didn't file for a quarter isn't listed, and isn't counted as selling.
Q2 2026
0 superinvestors holding at quarter end
- Sold out
- Soros Fund Management
Q1 2026
1 superinvestor holding at quarter end
- Reduced
- Soros Fund Management (−14.2%)
Q4 2025
1 superinvestor holding at quarter end
- Added
- Soros Fund Management (+48.2%)
Q3 2025
1 superinvestor holding at quarter end