LXEO ▼ -5.1% - Lexeo Therapeutics, Inc. $LXEO - Lexeo Therapeutics Enters Into Agreement to Acquire Mantle Therapeutics and Announces Multiple New Strategic Collaborations to Expand Leadership in Friedreich Ataxia Lexeo Therapeutics fell 5.1% today despite announcing the acquisition of Mantle Therapeutics and new strategic collaborations aimed at expanding its Friedreich Ataxia pipeline. The market's negative reaction suggests investors may be concerned about the financial terms of the deal, dilution from the acquisition, or doubts about the company's ability to execute on its expanded strategic initiatives. 22-SEP-2026 07:00 AM ET