Allspring Global Investments Boosts Stake in Miami International Holdings

The investment firm increased its ownership in the financial technology company by over 100% in the fourth quarter.

Apr. 3, 2026 at 7:05am

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An extreme close-up of the intricate, metallic components and circuits that make up the inner workings of a high-tech financial trading platform, conveying a sense of the complex infrastructure enabling modern markets.The sophisticated technology powering Miami International's electronic trading venues is a key driver of the firm's growth and institutional investor interest.Today in Miami

Allspring Global Investments Holdings LLC increased its stake in Miami International Holdings, Inc. (NYSE: MIAX) by 105.4% during the fourth quarter, according to a recent SEC filing. The investment firm now owns 932,053 shares, or approximately 1.14% of the financial technology company.

Why it matters

Miami International Holdings operates electronic trading venues and provides market infrastructure for listed options and related products. The significant increase in Allspring's stake suggests the investment firm sees long-term growth potential in the company's financial technology offerings and market position.

The details

Allspring Global Investments acquired an additional 478,385 shares of Miami International Holdings in the fourth quarter, bringing its total ownership to just over 932,000 shares. The investment firm now holds approximately 1.14% of the company's outstanding stock. Miami International Holdings operates several fully electronic order matching engines and provides other trading technology and connectivity services for professional traders, broker-dealers, and market makers.

  • Allspring Global Investments increased its stake in the fourth quarter of 2025.

The players

Allspring Global Investments Holdings LLC

An investment management firm that acquired a larger stake in Miami International Holdings, Inc.

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.

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The takeaway

The significant increase in Allspring Global Investments' stake in Miami International Holdings suggests the investment firm sees strong growth potential in the financial technology company's market position and product offerings. This could signal increased institutional confidence in Miami International's long-term prospects.