Pfizer (PFE) Clinches $10B Metsera Deal, Beating Novo Nordisk — What the Winning Bid Means for the Obesity-Drug Race (Nov. 8, 2025)
Pfizer Inc. (NYSE: PFE) has secured a definitive agreement to acquire weight‑loss biotech Metsera in a transaction valued at up to $10 billion, ending a high‑stakes bidding war with Novo Nordisk and positioning Pfizer squarely back in the fast‑growing obesity market. Metsera accepted Pfizer’s revised offer late Friday; Novo said today it would not raise its competing bid. Reuters Key takeaways What happened today Pfizer’s final, sweetened bid prevailed after a week of public twists that included legal skirmishes and regulatory warnings. Metsera said the legal and regulatory risks tied to Novo’s proposal—flagged by the FTC—were “unacceptably high,” tipping the