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Financial markets

Miami International Holdings Announces Pricing of Initial Public Offering

Strategic Insights

— 1 min read

MIAMI, Aug. 13, 2025 — Miami International Holdings, Inc. (MIH), a technology-driven leader in building and operating regulated financial markets, has announced the pricing of its initial public offering of 15 million shares of common stock at $23.00 per share, with a total offering size of $345 million. The shares are expected to begin trading on the New York Stock Exchange under the ticker symbol "MIAX" on August 14, 2025, and the offering is expected to close on or around August 15, 2025.

MIH's parent holding company owns a suite of regulated financial markets, including the Miami International Securities Exchange, MIAX PEARL, MIAX Emerald, MIAX Sapphire, and MIAX Futures Exchange. These exchanges are enabled by MIAX's proprietary technology and offer trading of options and cash equities.

Key Takeaways:

  • MIH has priced its initial public offering of 15 million shares of common stock at $23.00 per share, raising a total of $345 million.
  • The shares are expected to begin trading on the New York Stock Exchange under the ticker symbol "MIAX" on August 14, 2025.
  • MIH's parent holding company owns a suite of regulated financial markets, including the Miami International Securities Exchange, MIAX PEARL, MIAX Emerald, MIAX Sapphire, and MIAX Futures Exchange.
  • MIAX's proprietary technology enables trading of options and cash equities across its exchanges.
  • MIH has granted underwriters a 30-day option to purchase up to an additional 2.25 million shares of common stock at the initial public offering price.
  • J.P. Morgan, Morgan Stanley, and Piper Sandler are acting as lead joint bookrunning managers for the offering.
  • Keefe, Bruyette & Woods, Inc. and Raymond James are among the joint bookrunning managers.

Statistics:

  • 15 million shares of common stock are being offered in the initial public offering.
  • The total offering size is $345 million at a price of $23.00 per share.
  • 2.25 million additional shares of common stock have been granted to underwriters as an option.
  • MIH's parent holding company owns several regulated financial markets, including MIAX, MIAX PEARL, MIAX Emerald, MIAX Sapphire, and MIAX Futures Exchange.

Sources:

  • "MIAX Announces Pricing of Initial Public Offering" PRNewswire
  • "Miami International Holdings Announces Pricing of Initial Public Offering" MIAX.com
  • MIAX's Form S-1 registration statement filed with the U.S. Securities and Exchange Commission on August 13, 2025.

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