Novartis shares slip while Avidity soars after US$12 billion biotech deal

Novartis to acquire Avidity Biosciences for ~US$12 billion; acquirer’s shares dip while target’s soar.

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Novartis shares slip while Avidity soars after US$12 billion biotech deal

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Novartis to acquire Avidity Biosciences for ~US$12 billion; acquirer’s shares dip while target’s soar.
Swiss pharmaceutical giant Novartis announced it will acquire US biotech firm Avidity Biosciences in a deal valued around US$12 billion, the largest take-over under CEO Vas Narasimhan. Following the announcement, Novartis shares declined ~1% while Avidity’s stock surged. Market watchers view the deal as strategic for Novartis’s RNA-based therapies pipeline, even as price tag and integration risks weigh on the acquirer. The transaction underscores high valuations in biotech innovation and continuing consolidation trends in the sector.
Oct 27, 2025 • 20:29
Sentinel