Metsera (MTSR) News Today, 21 November 2025: Pfizer’s $10 Billion Buyout, $6 Billion Bond Sale and What It Means for Investors
Pfizer has closed its up to $10 billion acquisition of Metsera (MTSR) and raised $6 billion in bonds to help fund the deal. Here’s what today’s developments mean for former Metsera shareholders, Pfizer investors and the future of the obesity