Thermo Fisher Scientific Inc. Market Cap
Data as of June 01, 2026
Market Cap
$183.03B
Stock Price
$492.51
Shares Outstanding
$372M
Classification
Large Cap
How It's Calculated
$183.03B = $492.51 × $372M
What This Means
Thermo Fisher Scientific Inc. has a market capitalization of $183.03B, 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 Thermo Fisher Scientific Inc.
Thermo Fisher Scientific Inc. (TMO) operates in the Healthcare sector, specifically in Diagnostics & Research. With a market capitalization of about $183.03B, it ranks as a large-cap stock — a major established company.
Shares recently traded near $492.51, within a 52-week range of $385.46 to $643.99 (-23.5% from the high, +27.8% from the low). Beta of 0.88 is broadly in line with typical market sensitivity.
Trailing profit margin is about 15.2%, signaling a solid profit margin for its industry.
Understanding This Metric
Market capitalization sums the market value of all outstanding shares. It helps classify Thermo Fisher Scientific 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 Healthcare names on our S&P 100 coverage, Thermo Fisher Scientific Inc.'s market cap of $183.03B can be compared with peers such as LLY ($985.37B), JNJ ($542.42B), UNH ($345.38B). Sector context helps interpretation, but each company's growth profile and balance sheet differ — use multiple metrics before drawing conclusions. View all Healthcare stocks.
Key Takeaways
- TMO is grouped in the Healthcare sector for peer comparisons.
- Recent beta of 0.88 suggests lower-than-market price sensitivity.
- Trailing profit margin of 15.2% 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 TMO.
Calculated Market Cap
$183.03B
Sector
Healthcare
Other TMO Metrics
Frequently Asked Questions
What is TMO's market capitalization?
Market cap is the total market value of all outstanding shares. Thermo Fisher Scientific Inc.'s market cap is about $183.03B on this page's data date.
Is TMO a mega/large/mid/small cap?
With roughly $183.03B in market cap, Thermo Fisher Scientific Inc. falls in the large-cap category in our size buckets (mega ≥$200B, large ≥$10B, mid ≥$2B). Size affects liquidity, index weight, and typical volatility.
How does market cap relate to TMO's risk profile?
Larger caps tend to have broader analyst coverage and deeper trading; smaller caps can offer growth but with higher idiosyncratic risk. Use market cap together with debt, cash flow, and Healthcare position — not alone.
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