Pfizer Inc. operates in the Healthcare sector, within the Biotechnology & Pharmaceuticals industry. Founded in 1849, the company researches, develops, manufactures, and commercializes prescription medicines and vaccines worldwide.

Pfizer generates revenue primarily from proprietary biopharmaceutical products across multiple therapeutic areas.

Its core business areas include:

• Internal Medicine, focused on cardiovascular and metabolic diseases.

• Oncology, including targeted therapies and biologics.

• Vaccines, covering infectious diseases across age groups.

• Inflammation and Immunology.

• Rare Diseases.

• Hospital products, including sterile injectables and anti-infectives.

The company distributes products in more than 125 countries, serving hospitals, clinics, pharmacies, wholesalers, and government agencies.

Performance is influenced by patent cycles, regulatory approvals, research and development productivity, pricing dynamics, global health policies, and competitive pressures within the pharmaceutical industry.

Pfizer shares trade on the New York Stock Exchange (NYSE) under the ticker PFE.

History and Development

Pfizer was founded in 1849 in Brooklyn, New York, initially producing chemical compounds and later expanding into pharmaceuticals.

During the twentieth century, the company grew through research-driven innovation and international expansion.

In the 2000s, Pfizer strengthened its portfolio through major acquisitions, including Warner-Lambert, Pharmacia, and Wyeth, expanding its presence in cardiovascular medicine, oncology, biotechnology, and vaccines.

More recently, Pfizer gained global visibility through the development of a COVID-19 vaccine in partnership with BioNTech.

In recent years, the company has focused on pipeline development, portfolio optimization, and expansion into high-growth therapeutic areas, maintaining its position as one of the largest global pharmaceutical companies.