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Published November 22, 2025
Avantor told investors it was holding strong against the competition.
Executives said its lab business was “stacking up well,” with digital tools and momentum to match. But that confidence? It didn’t last.
By April 2025, Avantor admitted “increased competitive intensity” was eating into sales. Guidance was cut, and its CEO announced he was stepping down.
The stock plunged about 16% in a single day.
Then came August—another miss, another cut. Shares dropped fifteen percent more. And by October, Avantor revealed a $700M-plus loss and a massive goodwill impairment. Margins were crushed, big clients gone, and investors were furious.
Now, more shareholders are joining the lawsuit