Thermo Fisher Scientific (TMO) Market Cap 1985–2026

As of November 13, 2026, Thermo Fisher Scientific had a market cap of $259.44 billion, which increased by 0.11% compared to the previous trading day. Market capitalization, often referred to as market cap, represents the total value of a company's outstanding shares on the stock market and is a common measure of its overall size and valuation.

Data updated: Nov 13, 2026, 4:00 PM ET
Thermo Fisher Scientific logo

Thermo Fisher Scientific Inc. (TMO)

🌍 United States 📈 NYSE 🏭 Health Care 🏢 Life Sciences Tools & Services
Latest Market Cap
$259.44B ▲ 0.11%
Start of 2026
$217.7B ▲ 19.17%
1 Year Ago
$217.96B ▲ 19.03%
All-Time High
$267.38B ▼ 2.97%


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Note: Each point on the chart represents the market capitalization at the end of the trading day.
Source: Data compiled from EDGAR filings, Bloomberg and Yahoo Finance.

📈 Thermo Fisher Scientific Market Cap History by Year and Month

Thermo Fisher Scientific Market Cap History by Year and Month
Year / MonthMarket Cap% Change
2026$259.44B▲ 19.17%
$259.44B▲ 0.46%
$258.25B▲ 3.47%
$249.6B▲ 9.39%
$228.17B▲ 6.91%
$213.42B▲ 14.54%
$186.32B▲ 1.80%
$183.03B▲ 2.83%
$177.99B▼ 2.52%
$182.6B▼ 6.74%
$195.79B▼ 9.94%
$217.39B▼ 0.14%
2025$217.7B▲ 9.90%
2024$198.088B▼ 3.41%
2023$205.081B▼ 5.05%
2022$215.981B▼ 17.93%
All market cap values reflect closing prices for the period shown.

📊 Thermo Fisher Scientific Market Cap and Other Industry Peers

Below are selected companies for comparison based on industry, sub-industry, and sector:

  1. $365.08B
  2. $364.49B
  3. $259.44B
  4. $251.88B
  5. $208.59B
  6. $187.95B
  7. $164.67B
  8. $163.91B
  9. $49.05B
  10. $45.23B
  11. $43.69B
  12. $34.59B
  13. $31.47B
  14. $29.07B
  15. $18.24B
  16. $17.23B
  17. $16.18B
  18. $13.03B
  19. $11.43B
  20. $10.53B


Data reflect the most recent market capitalization values available.

Note: Market capitalization figures are based on available sources and may differ slightly from actual values, particularly for historical data.