NEW YORK, July 27, 2025 /PRNewswire/ -- Pomerantz LLP announces that a class action lawsuit has been filed against Biohaven Ltd. ("Biohaven" or the "Company") (NYSE: BHVN) and certain officers.  The class action, filed in the United States District Court for the District of Connecticut, and docketed under 25-cv-01120, is on behalf of a class consisting of all persons and entities other than Defendants that purchased or otherwise acquired Biohaven securities between March 24, 2023 and May 14, 2025, both date ...