A securities class action has been filed in the USDC — E.D.PA. against Avantor, Inc. (AVTR) (“Avantor” or the “Company”) on behalf of all persons and entities that purchased or otherwise acquired Avantor common stock between March 5, 2024, and October 28, 2025, both dates inclusive (the “Class Period”).
Avantor is a laboratory supply company based in Radnor, Pennsylvania. Avantor was primarily a manufacturer of high-purity laboratory materials before it acquired laboratory supply distributor VWR Corporation (“VWR”) in 2017. Prior to the acquisition, VWR had a vast customer network of organizations in the biopharma, healthcare, academic, government, and industrial sectors. Avantor’s “transformational” acquisition of VWR for $6.4 billion, turned the Company into a global distribution platform serving hundreds of thousands of customers worldwide with millions of products. Avantor emphasized that the merger would align its legacy entity’s high-purity manufacturing strengths with VWR’s global distribution and services footprint to accelerate growth across life sciences and advanced technology end markets.
The Complaint alleges that, throughout the Class Period, Defendants made materially false and/or misleading statements, as well as failed to disclose material adverse facts, about the Company’s business and operations. Specifically, Defendants misrepresented and/or failed to disclose that:
(1) Avantor’s competitive positioning was weaker than Defendants had publicly represented;
(2) Avantor was experiencing negative effects from increased competition;
(3) Avantor had severely underinvested in its supply chain infrastructure, inventory management systems, and customer service;
(4) this lack of investment caused delayed and partial order fulfillment of critical lab products for key customers;
(5) these issues resulted in customer attrition and loss of market share to competitors;
(6) as a result of the foregoing, goodwill assigned to the VWR acquisition was materially overstated;
(7) Defendants’ positive statements about the ABS strategy, competitive positioning, inventory management, customer service, and business prospects were materially false, misleading, or lacked a reasonable basis, thereby harming investors.
The price of Avantor common stock declined $3.50 per share, or 23.2%, to close at $11.58 per share on October 29, 2025.
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