Hudson Bay Capital Invests $1.66M in Miami International Holdings

The hedge fund purchased 41,145 shares of the options exchange operator's stock.

Mar. 23, 2026 at 8:33am

Got story updates? Submit your updates here. ›

Hudson Bay Capital Management LP, a hedge fund, purchased a new stake in Miami International Holdings, Inc. (NYSE:MIAX) in the third quarter of 2025. The fund bought 41,145 shares of the company's stock, valued at approximately $1.66 million, giving it a 0.05% ownership stake in Miami International.

Why it matters

This investment by Hudson Bay Capital, a prominent hedge fund, signals confidence in Miami International Holdings' business and growth prospects. As a major player in the options exchange market, Miami International's performance is closely watched by investors.

The details

According to a recent SEC filing, Hudson Bay Capital Management acquired the 41,145 shares of Miami International Holdings in the third quarter of 2025. This purchase gave the hedge fund a 0.05% ownership stake in the options exchange operator. Several other hedge funds have also added to or reduced their positions in Miami International in recent quarters.

  • Hudson Bay Capital purchased the shares in the third quarter of 2025.
  • Miami International Holdings reported its Q3 2025 earnings on February 25, 2026.

The players

Hudson Bay Capital Management LP

A prominent hedge fund that purchased a new stake in Miami International Holdings.

Miami International Holdings, Inc.

A U.S. exchange holding company that operates electronic trading venues and provides market infrastructure for listed options and related products.

Got photos? Submit your photos here. ›

The takeaway

This investment by Hudson Bay Capital underscores the financial community's ongoing interest in Miami International Holdings as a key player in the options exchange market. The hedge fund's stake purchase signals confidence in the company's growth potential.