Avantor (AVTR) Company Report

A class action lawsuit has been filed against Avantor, Inc. (NYSE: AVTR) on behalf of investors who purchased common stock between March 5, 2024, and October 28, 2025.
The lawsuit alleges that Avantor made false and misleading statements and failed to disclose that its competitive position in key product lines was weaker than represented, and that it was experiencing negative impacts from increased competition affecting volumes, sales, and growth.
Investors have until December 29, 2025, to seek appointment as lead plaintiff.
The complaint highlights significant stock price declines following disclosures of weaker-than-expected sales and reduced outlooks on April 25, 2025, disappointing second-quarter results and further reduced guidance on August 1, 2025, and weak third-quarter 2025 financial results on October 29, 2025.

3 days ago

Press Release

Avantor Investigated for Securities Law Violations

AVTR

Legal Proceedings

Profit Warning

Demand Weakening

Faruqi & Faruqi, LLP is investigating Avantor, Inc. (NYSE: AVTR) for alleged federal securities law violations during the period of March 5, 2024, to October 28, 2025.
The complaint alleges Avantor made false or misleading statements about its competitive positioning and failed to disclose the negative impact of increased competition.
Key events cited include disappointing Q1 2025 financial results and a 16.5% stock decline on April 25, 2025, followed by further reduced 2025 guidance and a 15% stock drop on August 1, 2025.
On October 29, 2025, Avantor reported weak Q3 2025 results, including a $712 million net loss primarily due to a $785 million non-cash goodwill impairment charge, which led to a 23% stock decline.
Investors have until December 29, 2025, to seek the role of lead plaintiff in the federal securities class action.

6 days ago

Press Release

Avantor Faces Securities Fraud Lawsuit

AVTR

Legal Proceedings

Guidance Update

Demand Weakening

A class action lawsuit has been filed against Avantor, Inc. (AVTR) on behalf of investors who purchased common stock between March 5, 2024, and October 28, 2025.
The lawsuit alleges that Avantor made materially false and/or misleading statements and failed to disclose adverse facts, specifically regarding its competitive positioning and the negative impact of increased competition.
The company's stock price experienced significant drops following financial announcements, including a 16.6% fall on April 25, 2025, a 15.5% fall on August 1, 2025, and a 23.2% fall on October 29, 2025.
These declines followed Avantor missing consensus estimates and cutting guidance in Q1 and Q2 2025, and reporting a -5% organic revenue growth and a net loss of $712 million in Q3 2025, primarily due to a $785 million goodwill impairment charge.
Investors have until December 29, 2025, to file a lead plaintiff motion in the class action.

Nov 13, 2025, 6:07 PM

Press Release

Avantor Faces Securities Class Action Lawsuit Following Weak Q3 2025 Results

AVTR

Legal Proceedings

Profit Warning

Demand Weakening

Robbins LLP has announced a class action lawsuit against Avantor, Inc. (AVTR) on behalf of investors who acquired common stock between March 5, 2024, and October 28, 2025.
The lawsuit alleges Avantor misled investors regarding its competitive positioning and the negative impact of increased competition.
The basis for the allegations includes Avantor's weak third quarter 2025 financial results, reported on October 29, 2025, which showed -5% organic revenue growth and a net loss of $712 million, largely due to a $785 million goodwill impairment charge attributed to competitive pressures.
Following the Q3 2025 results, Avantor's common stock price declined by more than 23% on October 29, 2025.
Shareholders interested in serving as lead plaintiff must submit their papers by December 29, 2025.

Nov 13, 2025, 2:50 PM

Press Release

Avantor Faces Securities Class Action Lawsuit

AVTR

Legal Proceedings

Demand Weakening

CEO Change

Faruqi & Faruqi, LLP has initiated a federal securities class action lawsuit against Avantor, Inc. (AVTR), alleging that the company and its executives made false and/or misleading statements regarding its competitive positioning and the impact of increased competition.
The class period for investors who purchased or acquired Avantor securities is March 5, 2024, to October 28, 2025, with a deadline to seek the role of lead plaintiff by December 29, 2025.
The complaint cites disappointing financial results and reduced guidance in Q1, Q2, and Q3 2025, which the company attributed to "increased competitive intensity". These announcements led to significant stock price declines, including a 16.5% drop on April 25, 2025, a 15% drop on August 1, 2025, and a 23% drop on October 29, 2025.
In Q3 2025, Avantor reported a $712 million net loss, primarily due to a $785 million non-cash goodwill impairment charge, and its CEO, Michael Stubblefield, stepped down after the Q1 2025 results.

Nov 9, 2025, 2:10 PM

Press Release

Avantor Faces Securities Class Action Lawsuit

AVTR

Legal Proceedings

Guidance Update

Demand Weakening

Faruqi & Faruqi, LLP is investigating potential claims against Avantor (AVTR) for alleged false and misleading statements regarding its competitive positioning and the impact of increased competition, encouraging investors who purchased securities between March 5, 2024, and October 28, 2025, to contact them.
A federal securities class action has been filed against Avantor, with a December 29, 2025, deadline for investors to seek the role of lead plaintiff.
The complaint alleges that Avantor's executives made false or misleading statements and failed to disclose that the company's competitive positioning was weaker and that it was experiencing negative effects from increased competition.
This investigation follows several disappointing financial reports in 2025, including weak Q1 and Q2 results, reduced guidance, and a $712 million net loss in Q3 2025, primarily due to a $785 million goodwill impairment charge, all attributed to increased competitive intensity.
These announcements led to significant declines in Avantor's stock price, with drops of over 16.5% on April 25, 2025, over 15% on August 1, 2025, and over 23% on October 29, 2025.

Nov 8, 2025, 6:12 AM

Press Release

Avantor Faces Shareholder Investigation Following Disappointing Q3 2025 Results

AVTR

Legal Proceedings

Earnings

Demand Weakening

Faruqi & Faruqi, LLP is investigating potential securities law violations at Avantor, Inc. (AVTR).
This investigation follows Avantor's report of disappointing third quarter 2025 results on October 29, 2025.
The company reported -5% organic revenue growth and a net loss of $712 million, primarily due to a $785 million non-cash goodwill impairment charge.
Management attributed the impairment to "competitive pressures" impacting margins and the loss of several large accounts.
Following the announcement, Avantor's stock price fell $3.50 per share, or more than 23%, on October 29, 2025.

Nov 6, 2025, 4:40 PM

Press Release

Avantor Faces Class Action Lawsuit Over Alleged Misleading Statements

AVTR

Legal Proceedings

Demand Weakening

Profit Warning

A class action lawsuit has been filed against Avantor, Inc. for allegedly making materially false and misleading statements regarding its competitive positioning and business prospects during the Class Period of March 5, 2024, through October 28, 2025.
The complaint alleges that Avantor failed to disclose its weaker competitive positioning and negative effects from increased competition.
On October 29, 2025, Avantor reported weak Q3 2025 financial results, including -5% organic revenue growth and a net loss of $712 million, primarily due to a $785 million non-cash goodwill impairment charge attributed to competitive pressures.
Following this news, Avantor's common stock price declined more than 23% on October 29, 2025.
The deadline for investors to petition the court to serve as lead plaintiff is December 29, 2025.

Nov 5, 2025, 9:44 PM

Press Release

Avantor Faces Securities Class Action Lawsuit

AVTR

Legal Proceedings

Demand Weakening

CEO Change

Faruqi & Faruqi, LLP is investigating Avantor (AVTR), and a federal securities class action has been filed on behalf of investors who suffered losses exceeding $10,000 between March 5, 2024, and October 28, 2025.
The lawsuit alleges that Avantor made false and misleading statements about its competitive positioning and failed to disclose the negative effects of increased competition.
Significant stock declines occurred on April 25, 2025, following disappointing Q1 2025 results, reduced 2025 guidance, and the announcement of CEO Michael Stubblefield stepping down, causing a drop of over 16.5%.
Further declines followed weak Q2 2025 results and revised guidance on August 1, 2025, and a $712 million net loss in Q3 2025 (including a $785 million goodwill impairment charge) on October 29, 2025, with both periods attributed to increased competitive intensity.
The deadline for investors to seek the role of lead plaintiff in the class action is December 29, 2025.

Nov 4, 2025, 5:28 PM

Press Release

Avantor Faces Securities Class Action Lawsuit Amid Competitive Pressures and Weak Financial Results

AVTR

Legal Proceedings

Demand Weakening

Guidance Update

Faruqi & Faruqi, LLP is investigating Avantor (NYSE: AVTR) for alleged federal securities law violations, with a lead plaintiff deadline of December 29, 2025, for investors who suffered losses exceeding $100,000 between March 5, 2024, and October 28, 2025.
The complaint alleges that Avantor executives made misleading statements about the company's competitive positioning and failed to disclose the negative impact of increased competition.
Avantor reported disappointing financial results and cut its 2025 guidance multiple times, citing increased competitive intensity.
The company's stock declined significantly on several occasions in 2025, including a 16.5% drop on April 25, 2025, and a 23% drop on October 29, 2025, after reporting -5% organic revenue growth and a $712 million net loss in Q3 2025 due to a $785 million goodwill impairment charge.

Nov 1, 2025, 1:02 PM

Press Release

Earnings Transcripts

Quarterly earnings call transcripts for Avantor.

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