Portnoy Law Firm Announces Class Action on Behalf of Avantor, Inc. Investors

LOS ANGELES, Nov. 05, 2025 (GLOBE NEWSWIRE) -- The Portnoy Law Firm advises Avantor, Inc., (“Avantor” or the "Company") (NYSE: AVTR) investors off a class action on behalf of investors that bought securities between March 5, 2024 and October 8, 2025, inclusive (the “Class Period”). Fiserv investors have until December 29, 2025 to file a lead plaintiff motion. Investors are encouraged to contact attorney Lesley F. Portnoy, by phone 844-767-8529 or email: lesley@portnoylaw.com, to discuss their legal rights, ...