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MIAX · Financial Services

MIAMI INTL HLDGS INC

USA Financial Services Filing: 2025-12-31
Smart-money confidence · 1 of 3 sources firing
Bearish — money moving out

No standout activity across the feeds we track.

Hedge funds
24
Congress
No data
Insiders
No data
Cross-source blend of hedge-fund breadth, Congress trades, and insider Form 4s.  ·  how the score works
◆ Next steps Interested in MIAMI INTL HLDGS INC? Here's what to do with it.
Not financial advice. Bogen Capital surfaces public SEC filings — you decide what to do with them.
Market cap
$4.2B
Industry
Capital Markets
Sector
Financial Services
Exchange
NYSE
About MIAMI INTL HLDGS INC

Miami International Holdings, Inc., through its subsidiaries, builds and operates various financial marketplaces in the United States. It operates through Options, Equities, and International segments. The company's markets include options through MIAX Options, MIAX Pearl, MIAX Emerald, and MIAX Sapphire; U.S. equities through MIAX Pearl Equities; U.S. futures and options on futures through MIAX Futures; and international listings through BSX and TISE. It also trades Hard Red Spring Wheat futures and options on MIAX Futures; provides clearing services for U.S. futures and options on futures…

Who's behind the signal
Every informed buyer we can see on MIAX, across all three feeds.
Hedge funds · 4
Citadel Advisors Decreased −36%
Congress · 0
No congressional trades on record.
Insiders
No significant Form 4 insider activity in the window.
Not a model pick — but on our radar. MIAMI INTL HLDGS INC isn't in the top-10 model right now, but 4 tracked investors hold it. Everything below is real signal from public filings — treat this as a watch candidate, not a conviction call.
4
Investors
0
New positions
3
Increasing
1
Decreasing
0
Unchanged
Price History
Loading price data...
Return: High: Low:
Who's Holding This Stock
Position sizes and recent activity from tracked institutional investors
Trust weight: 1.5×
Increased +48%
% of portfolio
0.1%
Position change
+48%
0.1% of Soros Fund Management's portfolio
Trust weight: 1.2×
Increased +23%
% of portfolio
0.0%
Position change
+23%
0.0% of Tudor Investment's portfolio
Trust weight: 1.0×
Increased +80%
% of portfolio
0.0%
Position change
+80%
0.0% of Millennium Management's portfolio
Trust weight: 1.0×
Decreased −36%
% of portfolio
0.0%
Position change
−36%
0.0% of Citadel Advisors's portfolio
Portfolio Allocation
How much of each investor's portfolio is allocated to MIAMI INTL HLDGS INC
⚠ Disclaimer: This page is for informational purposes only. Holdings data from SEC EDGAR 13F filings, delayed up to 135 days. Not a recommendation to buy or sell MIAMI INTL HLDGS INC or any security.

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