Stockholder Alert: Robbins LLP Informs Investors of the Avantor, Inc. Class Action Lawsuit

Core Points - A class action lawsuit has been filed against Avantor, Inc. on behalf of investors who purchased its common stock between March 5, 2024, and October 28, 2025 [1] - The lawsuit alleges that Avantor misled investors regarding its competitive positioning and the negative impacts of increased competition on its business [2] - Avantor reported weak Q3 2025 financial results, including a -5% organic revenue growth and a net loss of $712 million, primarily due to a non-cash goodwill impairment charge of $785 million attributed to competitive pressures [3] Allegations - The complaint states that Avantor's competitive positioning was weaker than publicly represented [2] - It claims that the company was experiencing negative effects from increased competition, which were not disclosed to investors [2] - The representations made by the defendants about the company's business and prospects were materially false and misleading [2] Financial Impact - On October 29, 2025, Avantor's stock price fell by $3.50 per share, or over 23%, closing at $11.58 per share after the announcement of poor financial results [3] - The reported net loss of $712 million was significantly impacted by a goodwill impairment charge of $785 million, indicating severe competitive pressures affecting margins [3]