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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
101
$201K
102
$141K
103
$111K
104
$101K
105
$29.5K
106
$28.7K
107
$20.3K
108
$20.1K
109
$12.8K
110
$4.79K
111
$4.27K
112
$3.26K
113
$3.02K
114
$1.61K
115
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5