Miami International Holdings, Inc. ยท NYSE:MIAX

Miami International Holdings, Inc. shareholders

As of Jun 30, 2026, 198 institutions reported holding Miami International Holdings, Inc., 72.6% of its shares. Largest: Horizon Kinetics Asset Management LLC, Vanguard and T. Rowe Price. New holders, exits, insiders and big stakes, each with its filing.

HolderShares% of Miami International Holdings, Inc.ChangeFiled
Horizon Kinetics Asset Management LLC7.84M7.9%+4.39MAug 11, 2026
Vanguard7.3M7.4%+4.28MAug 13, 2026
T. Rowe Price5.88M5.9%+1.57MAug 14, 2026
BlackRock5.07M5.1%+2.84MAug 7, 2026
Susquehanna3.36M3.4%+58,697Aug 14, 2026
Invesco2.02M2.0%+436KAug 14, 2026
J Digital 6 LLC1.81M1.8%newAug 13, 2026
Blair William & Co1.77M1.8%+1.1MAug 11, 2026
Balyasny Asset Management L.P.1.68M1.7%newAug 14, 2026
American Century1.59M1.6%+366KAug 12, 2026

Miami International Holdings, Inc. insider trades