Pfizer (PFE.N) said on Monday it would acquire weight-loss dr-g developer Metsera (MTSR.O) for up to $4.9 billion to secure its position in the lucrative obesity treatment market.
https://www.reuters.com/legal/litigation/pfizer-buy-weight-loss-dr-g-developer-metsera-up-49-billion-2025-09-22/