Jain Global LLC Acquires Stake in Miami International Holdings

Investment firm buys 153,815 shares of the options exchange operator

Mar. 17, 2026 at 9:35am

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Jain Global LLC, an institutional investor, has acquired a new position in shares of Miami International Holdings, Inc. (NYSE:MIAX), the parent company of the Miami International Securities Exchange. According to a recent 13F filing with the SEC, Jain Global purchased 153,815 shares of MIAX stock, valued at approximately $6.19 million, giving the firm a 0.19% ownership stake in the company.

Why it matters

Miami International Holdings operates the Miami International Securities Exchange, which is one of the fastest-growing options exchanges in the United States. The investment by Jain Global reflects institutional interest in the company's growth potential as it competes with larger options exchanges like the Chicago Board Options Exchange.

The details

Jain Global's purchase of MIAX shares was made during the third quarter. Other major institutional investors that have taken positions in Miami International Holdings include Vanguard Group, JPMorgan Chase & Co., Caldwell Investment Management, and Invesco Ltd.

  • Jain Global LLC acquired the MIAX shares during the 3rd quarter of the year.
  • Director Murray Stahl purchased an additional 7,200 MIAX shares on March 4, 2026.

The players

Jain Global LLC

An institutional investment firm that acquired a new position in shares of Miami International Holdings, Inc.

Miami International Holdings, Inc.

The parent company of the Miami International Securities Exchange, one of the fastest-growing options exchanges in the United States.

Murray Stahl

A director of Miami International Holdings, Inc. who purchased an additional 7,200 shares of the company's stock.

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What they’re saying

“Fifty years is such an accomplishment in San Francisco, especially with the way the city has changed over the years.”

— Gordon Edgar, grocery employee (Instagram)

The takeaway

The investment by Jain Global in Miami International Holdings reflects the growing institutional interest in the company's options exchange business, which has been gaining market share and competing with larger established players in the industry.