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What smart money is saying about Miami International Holdings, Inc.United States flag

MIAX · Financial Services · Financial - Capital Markets · Market cap $4.01B

2 funds in our archive have pitched Miami International Holdings, Inc. — most recently Langdon Global Smaller Companies Portfolio in June 2026.

Company profile

Miami International Holdings, Inc. (MIAX) is a financial services corporation that operates diverse marketplaces through its various subsidiaries, facilitating trading across options, futures, and cash equities. Its extensive options suite encompasses MIAX Options, MIAX Pearl, MIAX Emerald, and MIAX Sapphire. For U.S. equities, it provides MIAX Pearl Equities. The company's offerings extend to U.S. futures and their corresponding options traded on MIAX Futures, a platform that also facilitates transactions in hard red spring wheat products. Furthermore, MIAX supports international listings via BSX and TISE. Beyond market operation, MIAX also delivers essential post-trade services. This includes comprehensive clearing for U.S. futures and options through MIAX Futures Clearing, alongside its ownership of Dorman Trading. Dorman Trading, a full-service futures commission merchant, provides execution and clearing services for a broad client base, including introducing brokers, retail investors, institutional firms, and professional traders. Established in 2007, Miami International Holdings, Inc. maintains its headquarters in Princeton, New Jersey.

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Summarize with Warren AI
2
Reported positions
1
Bought
0
Sold
3
Letters

Position history

Between Q4 2025 and Q2 2026, 2 fund letters reported a position in Miami International Holdings, Inc. — 1 opened or added to the position.

Fund letters reporting a position in Miami International Holdings, Inc., by quarter
QuarterLettersBoughtSoldTheses
Q2 20262101
Q4 20250001

Fund activity · 2 positions · 1 move

  • “Texas Pacific Land Corporation (“TPL”) and Miami International Holdings Inc. (“MIAX”), both of which are public companies whose shares trade on the New York Stock Exchange, are significant portfolio holdings in many of the advisory accounts managed by the Adviser.”
    Miami International Holdings, Inc.
  • “We initiated a position in Miami International Holdings during the second quarter.”
    Miami International Holdings, Inc.

Fund coverage · 2 theses

  • Miami International Holdings, Inc. is an electronic exchange operator attractive for its transaction-based model, network effects, proprietary tech, and potential for operating leverage in expanding derivatives markets.

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  • Horizon Kinetics
    December 2025

    Miami International Holdings operates a modern U.S.-licensed exchange with durable industry dynamics, rapid revenue growth, and significant runway versus much larger incumbents.

    Read the full thesis

Read every full thesis on Miami International Holdings, Inc.

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