Pfizer Inc Market Cap

Data as of September 29, 2026

How It's Calculated

What This Means

Pfizer Inc has a market capitalization of $163.46B, classifying it as Large Cap — a major company by market standards. Market cap represents the total value of all outstanding shares and is a key indicator of a company's size.

About Pfizer Inc

Pfizer Inc (PFE) operates in the Pharmaceuticals sector, specifically in Pharmaceuticals. With a market capitalization of about $163.46B, it ranks as a large-cap stock — a major established company.

Shares recently traded near $28.72, within a 52-week range of $23.58 to $29.21 (-1.7% from the high, +21.8% from the low). Beta of 0.28 indicates relatively lower volatility versus the market.

Trailing profit margin is about 6.8%, signaling modest profitability that investors should weigh against growth plans.

Understanding This Metric

Market capitalization sums the market value of all outstanding shares. It helps classify Pfizer Inc by size — mega-cap, large-cap, and mid-cap stocks tend to have different liquidity, volatility, and index inclusion profiles. Size alone does not determine quality, but it frames risk and how widely the stock is held.

Sector Comparison

Among Pharmaceuticals names on our S&P 100 coverage, Pfizer Inc's market cap of $163.46B can be compared with peers such as LLY ($1.12T), JNJ ($655.99B), MRK ($366.61B). Sector context helps interpretation, but each company's growth profile and balance sheet differ — use multiple metrics before drawing conclusions. View all Pharmaceuticals stocks.

Key Takeaways

• PFE is grouped in the Pharmaceuticals sector for peer comparisons.
• Recent beta of 0.28 suggests lower-than-market price sensitivity.
• Trailing profit margin of 6.8% provides context for how much earnings support the headline multiple.

Related Tools & Guides

Explore calculators and guides connected to this metric, or view all metrics for PFE.

Other PFE Metrics

Frequently Asked Questions