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MIAMI INTERNATIONAL HOLDINGS (MIAX) Stock Ownership and Short Interest

USA - New York Stock Exchange - NYSE:MIAX - US59356Q1085 - Common Stock

44.06 USD
-1.4 (-3.08%)
Last: 12/5/2025, 8:04:00 PM
44.06 USD
0 (0%)
After Hours: 12/5/2025, 8:04:00 PM
MIAX Ownership Chart.MIAX Ownership Chart: showing Insider, Institutional ownership and shares available to the public.MIAX Ownership.InsiderInstitutionalPublic



Shares Outstanding81.44M
Float72.13M
Float Short Interest Percentage2.6%
Owners (insider)11.39%
Owners (institutional)20.49%
Owners (insider) change64.44%
Owners (institutional) changeN/A
MIAX Institutional Ownership HistoryMIAX Institutional Ownership HistoryMIAX Institutional Ownership History Sep 2025 5M 10M 15M 20M 25M
MIAX Historical Insider Transactions ChartMIAX Historical Insider Buy and Sell Transactions ChartMIAX Historical Insider Transactions Jan 2025 Feb 2025 Mar 2025 Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 500K 1M 1.5M 2M
Date Name Type Shares Price Amount
Oct 3, 2025 STAHL MURRAY Open Market Purchase 2 41.97 $ 83.94
Oct 3, 2025 HORIZON KINETICS ASSET MANAGEMENT LLC Open Market Purchase 2 41.97 $ 83.94
Sep 26, 2025 STAHL MURRAY Open Market Purchase 4 41.76 $ 167.04
Sep 26, 2025 HORIZON KINETICS ASSET MANAGEMENT LLC Open Market Purchase 4 41.76 $ 167.04
Sep 11, 2025 Smollen John Option Excercise 150000 12.00 $ 1,800,000.00
Sep 11, 2025 Smollen John Option Excercise 52054 37.39 $ 1,946,299.06
Sep 10, 2025 Brown Shelly Option Excercise 16283 36.81 $ 599,377.23
Sep 9, 2025 Deitzel Edward Option Excercise 79166 12.00 $ 949,992.00
Sep 9, 2025 Deitzel Edward Option Excercise 38090 37.30 $ 1,420,757.00
Sep 9, 2025 Jayabalan Harish Option Excercise 25000 12.00 $ 300,000.00
Sep 9, 2025 Jayabalan Harish Option Excercise 1980 37.30 $ 73,854.00
Aug 26, 2025 Brown Shelly Option Excercise 11047 33.90 $ 374,493.30
Aug 26, 2025 Gallagher Thomas P. Option Excercise 192220 33.90 $ 6,516,258.00
Aug 15, 2025 Raymond Mark F. Other Aquisition 43827 $ 0.00
Aug 15, 2025 Schwarzkopf Cynthia Other Aquisition 81308 $ 0.00
Aug 15, 2025 Emmons Lance Other Aquisition 57646 $ 0.00
Aug 15, 2025 Stahlin Paul Other Aquisition 24083 $ 0.00
Aug 15, 2025 Schafer Douglas M. JR Other Aquisition 387796 $ 0.00
Aug 15, 2025 Smollen John Other Aquisition 164839 $ 0.00
Aug 15, 2025 Al-Bahar Talal Jassim Other Aquisition 238462 $ 0.00
Aug 15, 2025 Brown Shelly Other Aquisition 200975 $ 0.00
Aug 15, 2025 Deitzel Edward Other Aquisition 49694 $ 0.00
Aug 15, 2025 Jayabalan Harish Other Aquisition 43942 $ 0.00
Aug 15, 2025 Comly Barbara J. Other Aquisition 231117 $ 0.00
Aug 15, 2025 Eckert Kurt M. Other Aquisition 46875 $ 0.00
Aug 15, 2025 Gallagher Thomas P. Other Aquisition 709858 $ 0.00
Aug 15, 2025 Teekell Judson Gray Other Aquisition 129373 $ 0.00
Aug 14, 2025 Emmons Lance Open Market Purchase 4 31.44 $ 125.76