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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
NYSE · Financial Services · Financial - Capital Markets · Alpha Radar Buy · Power 70 · $4.9B mcap · 86M float · 1.58% daily turnover · Short 44% of daily vol

🏦 Institutional Activity

Latest: Q1 2026
230
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

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms