MIAMI INTERNATIONAL HOLDINGS (MIAX) Stock Ownership and Short Interest
USA - NYSE:MIAX - US59356Q1085 - Common Stock
49.88 USD
+0.94 (+1.92%)
| Shares Outstanding | 81.69M |
| Float | 72.38M |
| Float Short Interest Percentage | 1.92% |
| Owners (insider) | 11.39% |
| Owners (institutional) | 20.49% |
| Owners (insider) change | 64.44% |
| Owners (institutional) change | N/A |
Insider Transactions
Top Institutional Holders
Insider Owners
| 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 | 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 15, 2025 | Raymond Mark F. | Other Aquisition | 43827 | $ 0.00 | |
| Aug 15, 2025 | Schwarzkopf Cynthia | Other Aquisition | 81308 | $ 0.00 | |
| Aug 14, 2025 | Emmons Lance | Open Market Purchase | 4 | 31.44 | $ 125.76 |