AVTR INVESTOR ALERT: Bronstein, Gewirtz & Grossman LLC Announces that Avantor, Inc. Investors with Substantial Losses Have Opportunity to Lead Class Action Lawsuit

NEW YORK, Nov. 2, 2025 /PRNewswire/ -- Attorney Advertising -- Bronstein, Gewirtz & Grossman, LLC, a nationally recognized law firm, notifies investors that a class action lawsuit has been filed against Avantor, Inc. ("Avantor" or "the Company") (NYSE: AVTR) and certain of its officers.

Class Definition

This lawsuit seeks to recover damages against Defendants for alleged violations of the federal securities laws on behalf of all persons and entities that purchased or otherwise acquired Avantor securities between March 5, 2024 and October 28, 2025, both dates inclusive (the "Class Period"). Such investors are encouraged to join this case by visiting the firm's site: bgandg.com/AVTR.

Case Details

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, the Complaint alleges that 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; and (3) as a result, Defendants' representations about the Company's business, operations, and prospects were materially false and misleading and/or lacked a reasonable basis.

What's Next?

A class action lawsuit has already been filed. If you wish to review a copy of the Complaint, you can visit the firm's site: bgandg.com/AVTR. or you may contact Peretz Bronstein, Esq. or his Client Relations Manager, Nathan Miller, of Bronstein, Gewirtz & Grossman, LLC at 332-239-2660. If you suffered a loss in Avantor you have until December 29, 2025, to request that the Court appoint you as lead plaintiff. Your ability to share in any recovery doesn't require that you serve as lead plaintiff.

There is No Cost to You

We represent investors in class actions on a contingency fee basis. That means we will ask the court to reimburse us for out-of-pocket expenses and attorneys' fees, usually a percentage of the total recovery, only if we are successful.

Why Bronstein, Gewirtz & Grossman

Bronstein, Gewirtz & Grossman, LLC is a nationally recognized firm that represents investors in securities fraud class actions and shareholder derivative suits. Our firm has recovered hundreds of millions of dollars for investors nationwide.

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Attorney advertising. Prior results do not guarantee similar outcomes.

Contact

Bronstein, Gewirtz & Grossman, LLC
Peretz Bronstein or Nathan Miller
332-239-2660 | info@bgandg.com

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SOURCE Bronstein, Gewirtz & Grossman, LLC