Pfizer Inc. PFE

Company Overview

Pfizer Inc. is a global biopharmaceutical company engaged in the discovery, development, manufacturing, and commercialization of prescription medicines and vaccines. The company operates within the pharmaceuticals and biotechnology industries, with a focus on therapeutic areas including oncology, immunology, cardiology, rare diseases, vaccines, and internal medicine. Pfizer’s revenue is primarily driven by branded biopharmaceutical products protected by intellectual property and regulatory exclusivity, alongside lifecycle management and global commercialization capabilities.

Founded in 1849 in Brooklyn, New York, Pfizer began as a chemical manufacturing company and evolved into one of the world’s largest research-based pharmaceutical firms. Over time, it expanded through sustained internal R&D investment and major acquisitions, including Warner-Lambert, Wyeth, and Seagen, shaping its current portfolio and scale. Pfizer is recognized for its global manufacturing footprint, late-stage development expertise, and ability to rapidly scale production, notably demonstrated during the COVID‑19 pandemic.