Horizon Kinetics Asset Management Reports $55M Net Share Purchases, Updates on Director's Passing

summarizeSummary

Horizon Kinetics Asset Management, a 10% owner, reported net purchases of approximately $55.3 million in Miami International Holdings shares over the last 60 days, alongside an update regarding the passing of director Murray Stahl.

check_boxKey Events

• Significant Net Share Purchases

  Horizon Kinetics Asset Management LLC's managed accounts made net purchases of approximately 1.4 million shares, valued at about $55.3 million, over the past 60 days, indicating a significant investment.

• Update on Director's Passing

  The filing formally acknowledges the passing of Murray Stahl on April 7, 2026, who served as a Director of Miami International Holdings and was Chairman, CEO, and CIO of Horizon Kinetics Asset Management LLC. This follows the company's prior 8-K disclosure on April 9, 2026.

• Maintained 12.1% Ownership Stake

  Horizon Kinetics Asset Management LLC continues to beneficially own 11,061,399 shares of common stock, representing 12.1% of the outstanding shares as of April 9, 2026.

auto_awesomeAnalysis

This Schedule 13D/A from Horizon Kinetics Asset Management LLC (HKAM), a 10% owner and investment adviser, provides an update following the recent passing of Murray Stahl, who was a director of Miami International Holdings and a key executive at HKAM. While the passing of Mr. Stahl was previously disclosed by the company in an 8-K on April 9, 2026, this filing reveals significant net share purchases by HKAM's managed accounts totaling approximately $55.3 million over the past 60 days. This substantial buying activity indicates continued confidence from a major institutional investor despite the recent leadership change. Investors should note the ongoing accumulation by this significant shareholder.