MIAX NYSE
Miami International Holdings, Inc.
1W: -9.5%
1M: +13.7%
3M: +26.9%
YTD: +17.9%
$51.42
-0.02 (-0.04%)
After Hours: $53.48 (+2.06, +4.02%)
Weekly Expected Move ±4.5%
$51
$54
$56
$59
$61
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🏦 Institutional Activity
Latest: Q1 2026230
Institutions Holding
+46 vs prior
29.4%
Ownership
-13.51%
70
New
66
Increased
84
Reduced
60
Closed
👔 Insider Trades
25 records| Date | Name | Title | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-05-19 | HORIZON KINETICS ASSET MANAGEMENT LLC | 10% owner | J-J | 2,455,744 | $— | $0 | Filing |
| 2026-05-04 | Deitzel Edward | officer: evp, cro, cco miax exchanges | S-Sale | 11,000 | $47.28 | $520K | Filing |
| 2026-05-04 | Gallagher Thomas P. | officer: chairman & ceo | S-Sale | 54,229 | $47.26 | $2.6M | Filing |
| 2026-05-04 | Comly Barbara J. | officer: evp, gc & corporate secretary | S-Sale | 28,000 | $47.26 | $1.3M | Filing |
| 2026-05-04 | Eckert Kurt M. | director | S-Sale | 5,625 | $47.29 | $266K | Filing |
| 2026-05-04 | Schafer Douglas M. JR | officer: evp and cio | S-Sale | 48,000 | $47.25 | $2.3M | Filing |
| 2026-05-04 | Teekell Judson Gray | director | S-Sale | 3,000 | $47.30 | $142K | Filing |
| 2026-05-04 | Brown Shelly | officer: evp, chief strategy officer | S-Sale | 16,000 | $47.28 | $756K | Filing |
| 2026-04-08 | Brown Shelly | officer: evp, chief strategy officer | S-Sale | 16,434 | $42.08 | $692K | Filing |
| 2026-04-08 | Deitzel Edward | officer: evp, cro, cco miax exchanges | S-Sale | 7,572 | $42.02 | $318K | Filing |
| 2026-04-07 | Deitzel Edward | officer: evp, cro, cco miax exchanges | S-Sale | 4,001 | $42.00 | $168K | Filing |
| 2026-04-07 | Deitzel Edward | officer: evp, cro, cco miax exchanges | S-Sale | 762 | $42.00 | $32K | Filing |
| 2026-04-07 | Brown Shelly | officer: evp, chief strategy officer | S-Sale | 900 | $42.00 | $38K | Filing |
| 2026-04-07 | Brown Shelly | officer: evp, chief strategy officer | S-Sale | 900 | $42.00 | $38K | Filing |
| 2026-04-06 | Brown Shelly | officer: evp, chief strategy officer | S-Sale | 2,357 | $41.33 | $97K | Filing |
| 2026-04-06 | Brown Shelly | officer: evp, chief strategy officer | S-Sale | 2,357 | $41.33 | $97K | Filing |
| 2026-04-02 | Teekell Judson Gray | director | S-Sale | 2,700 | $40.00 | $108K | Filing |
| 2026-03-30 | Smollen John | officer: evp, new product development | F-Tax Withholding | 362 | $37.50 | $14K | Filing |
| 2026-03-30 | Emmons Lance | officer: evp and cfo | F-Tax Withholding | 8,350 | $37.50 | $313K | Filing |
| 2026-03-30 | Gallagher Thomas P. | officer: chairman & ceo | F-Tax Withholding | 20,875 | $37.50 | $783K | Filing |
| 2026-03-30 | Deitzel Edward | officer: evp, cro, cco miax exchanges | F-Tax Withholding | 707 | $37.50 | $27K | Filing |
| 2026-03-30 | Comly Barbara J. | officer: evp, gc & corporate secretary | F-Tax Withholding | 1,448 | $37.50 | $54K | Filing |
| 2026-03-25 | Teekell Judson Gray | director | S-Sale | 300 | $40.00 | $12K | Filing |
| 2026-03-23 | Brown Shelly | officer: evp, chief strategy officer | S-Sale | 25,932 | $39.33 | $1.0M | Filing |
| 2026-03-19 | Eckert Kurt M. | director | S-Sale | 37,917 | $39.00 | $1.5M | Filing |
🏛️ Congressional Trades
0 records| Date | Politician | Chamber | Type | Amount | Filing |
|---|---|---|---|---|---|
| No congressional trades found | |||||
🏦 Top Institutional Holders
20 holders| Holder | Shares | Value | Date Reported | Filing | |
|---|---|---|---|---|---|
| HORIZON KINETICS ASSET MANAGEMENT LLC | 3,451,549 | $134M | +1,631,751 | 2026-03-31 | Filing |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 3,296,346 | $128M | +11,394 | 2026-03-31 | Filing |
| BlackRock, Inc. | 2,232,680 | $87M | +479,173 | 2026-03-31 | Filing |
| Invesco Ltd. | 1,585,003 | $62M | +306,037 | 2026-03-31 | Filing |
| VANGUARD CAPITAL MANAGEMENT LLC | 1,414,979 | $55M | +1,414,979 | 2026-03-31 | Filing |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1,374,946 | $54M | +1,374,946 | 2026-03-31 | Filing |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 1,246,999 | $49M | +365,670 | 2026-03-31 | Filing |
| AMERICAN CENTURY COMPANIES INC | 1,221,485 | $48M | -226,808 | 2026-03-31 | Filing |
| JPMORGAN CHASE & CO | 1,238,006 | $46M | +423,666 | 2026-03-31 | Filing |
| Allspring Global Investments Holdings, L | 1,112,261 | $44M | +180,208 | 2026-03-31 | Filing |
| North Reef Capital Management LP | 1,014,274 | $39M | -250,726 | 2026-03-31 | Filing |
| BANK OF AMERICA CORP /DE | 900,882 | $35M | +597,021 | 2026-03-31 | Filing |
| LORD, ABBETT & CO. LLC | 860,687 | $33M | +201,018 | 2026-03-31 | Filing |
| GEODE CAPITAL MANAGEMENT, LLC | 779,782 | $30M | +266,985 | 2026-03-31 | Filing |
| STATE STREET CORP | 712,329 | $28M | +135,944 | 2026-03-31 | Filing |
| BLAIR WILLIAM & CO/IL | 665,781 | $26M | +10,936 | 2026-03-31 | Filing |
| Caldwell Investment Management Ltd. | 663,810 | $25M | -75,000 | 2026-03-31 | Filing |
| BNP PARIBAS FINANCIAL MARKETS | 572,456 | $22M | +381,436 | 2026-03-31 | Filing |
| FRANKLIN RESOURCES INC | 568,174 | $22M | +141,020 | 2026-03-31 | Filing |
| SEVEN GRAND MANAGERS, LLC | 550,000 | $21M | +150,000 | 2026-03-31 | Filing |