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MIAX

Miami International Holdings
MIAX

115 hedge funds and large institutions have $1.03B invested in Miami International Holdings in 2025 Q3 according to their latest regulatory filings, with 115 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

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New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $
Holders
115
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$11.5M
Puts
$7.25M
Net Calls
Net Calls Change

Top Buyers

1
+$120M
2
+$88.9M
3
+$50.6M
4
HKAM
Horizon Kinetics Asset Management
New York
+$50.6M
5
Alyeska Investment Group
Alyeska Investment Group
Illinois
+$46.3M

Top Sellers

No sellers this quarter
Name Holding Trade Value Shares
Change 		Change in
Stake
76
$881K
77
$843K
78
$764K
79
$690K
80
$640K
81
$611K
82
$604K
83
$598K
84
$519K
85
$503K
86
$459K
87
$443K
88
$415K
89
$376K
90
$361K
91
$342K
92
$337K
93
$330K
94
$321K
95
$302K
96
$278K
97
$267K
98
$266K
99
$239K
100
$208K
1 2 3
4
5