Biotech NewsMetsera (MTSR) Shares Soar on Pfizer’s $7.3B Buyout BioTech Health XSeptember 22, 2025 Metsera Inc. (NASDAQ:MTSR) is a clinical-stage biopharmaceutical company founded in 2022 with a focus on developing next-generation therapies… 0 Shares 0 0 0 0 0 0 0