About Pfizer Inc.
Pfizer Inc. discovers, develops, manufactures, and markets a broad portfolio of medicines and vaccines. Key products include the COVID-19 vaccine Comirnaty, oral anticoagulant Eliquis, breast cancer therapy Ibrance, and the Premarin family for women's health. The company also produces biosimilars, anti-infectives, and sterile injectables.
Why it matters
Pfizer is one of the largest pharmaceutical companies globally by revenue, with a diversified product portfolio spanning multiple therapeutic areas. Its scale, R&D pipeline, and strategic partnerships make it a bellwether for the healthcare sector. Investors monitor Pfizer for its exposure to patent expirations, regulatory decisions, and pipeline developments.
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