Companies / Miami International Holdings, Inc.

Miami International Holdings, Inc.

NYSE: MIAXCIK 1438472PRINCETON, NJ

Financials · FY2025

Revenue$1.36B
Net income$-70.03M
Total debt$1.51M
Cash$660.46M
Diluted EPS$-1.00
Shares outstanding99.2M

Ownership

99.2M shares outstanding · as of Jul 31, 2026
11.8%Insiders
Ownership
Insiders11.83%11,736,119
10%+ / strategic2.19%2,170,898
Institutions43.40%43,066,231
Public float42.59%42,257,650

% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.

Insiders 11

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Insider% of sharesShares
Stahl MurrayDirector
9.40%9,330,508
Horizon Kinetics Asset Management LLC10% owner
2.19%2,170,898
Comly Barbara J.EVP, GC & Corporate Secretary
0.85%845,292
Gallagher Thomas P.CEOChairman & CEO · Director
0.54%535,863
Schafer Douglas M. JREVP and CIO
0.40%396,681
Brown ShellyEVP, Chief Strategy Officer
0.30%299,197
Eckert Kurt M.Director
0.14%142,375
Deitzel EdwardEVP, CRO, CCO MIAX Exchanges
0.12%116,928
Teekell Judson GrayDirector
0.06%62,038
Brown David aDirector
<0.01%7,237

Institutional holders 176

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HolderValue% of shares
BlackRock, Inc.$188.47M5.11%
Susquehanna International Group, LLP$145.79M3.31%
Horizon Kinetics Asset Management LLC$134.33M3.48%
Vanguard Group Inc$85.58M1.94%
American Century Companies Inc$64.28M1.46%
Alyeska Investment Group, L.P.$57.08M1.30%
Invesco Ltd.$56.76M1.29%
North Reef Capital Management LP$56.14M1.27%
State Street Corporation$53.25M1.44%
Adage Capital Partners Gp, L.L.C.$48.53M1.26%

Activity

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InsidersInstitutions
What insiders are doing in this stock (Form 4).
DateActorActionSecurityValueShares ΔPosition afterImpact
Mar 2, 2026Stahl Murray
Director
SellCommon Stock$4.95M-121K
-2.52%
4,689,466
4.73% of shares
medium
Feb 10, 2026Schafer Douglas M. JR
Executive
OtherCommon Stock$4.49M-109K
-20.18%
429,246
0.43% of shares
low
Mar 2, 2026Stahl Murray
Director
ExerciseCommon Stock$2.75M+138K
+2.94%
4,810,520
4.85% of shares
low
Mar 2, 2026Stahl Murray
Director
SellCommon Stock$2.19M-54K
-1.15%
4,619,442
4.66% of shares
medium
Feb 10, 2026Gallagher Thomas P.
CEO
OtherCommon Stock$2.07M-50K
-8.55%
535,863
0.54% of shares
low
Mar 17, 2026Schafer Douglas M. JR
Executive
SellCommon Stock$1.91M-48K
-10.79%
396,681
0.40% of shares
medium
Mar 2, 2026Stahl Murray
Director
ExerciseCommon Stock$1.87M+91K
+1.99%
4,673,020
4.71% of shares
low
Mar 2, 2026Stahl Murray
Director
ExerciseCommon Stock$1.87M+91K
+1.99%
4,673,020
4.71% of shares
low

Securities

via CUSIP / OpenFIGI
SymbolTypeMarketCUSIPFIGI
MIAXCommon StockEquity59356Q108BBG004RKDWL9