Thermo Fisher Scientific Inc. provides life sciences solutions, analytical instruments, specialty diagnostics, and laboratory products and biopharma services internationally. It operates through four segments: Life Sciences Solutions, Analytical Instruments, Specialty Diagnostics, and Laboratory Products and Biopharma Services. The Life Sciences Solutions segment includes reagents, instruments, and consumables for biological and medical research; discovery and production of drugs and vaccines; and diagnosis of infections and diseases. Its Analytical Instruments segment provides instruments, consumables, software, and services for pharmaceutical, biotechnology, academic, government, environmental, and other research and industrial markets, as well as clinical laboratories. The Specialty Diagnostics segment offers clinical diagnostics products, such as liquid ready-to-use and lyophilized immunodiagnostic reagent kits, calibrators, controls, protein detection assays, and instruments; immunodiagnostic offerings comprising developing, manufacturing, and marketing of complete blood-test systems for the clinical diagnosis and monitoring of allergy, asthma and autoimmune diseases; microbiology offerings, such as dehydrated and prepared culture media, collection and transport systems, instrumentation and consumables to detect pathogens in blood, diagnostic and rapid direct specimen tests, quality-control products, and associated products; transplant diagnostics products, including human leukocyte antigen typing and testing for the organ transplant market; and healthcare market channel offerings. Its Laboratory Products and Biopharma Services segment provides laboratory products, research and safety market channel, and pharma services and clinical research. Thermo Fisher Scientific Inc. was founded in 1956 and is headquartered in Waltham, Massachusetts.

Thermo Fisher Scientific (TMO) Stock Price & Market Analysis
TMO · NYSE · Life Sciences Tools & Services
$656.84
▼ -$1.18(-0.18%)11:13 AM ET - vs previous closeQuote as of Oct 12, 2026, 11:13 AM EDT
NYSE regular-session quote as of Oct 12, 2026, 11:13 AM EDT.
Yahoo Finance · delayed, minutes not stated · as of Oct 12, 2026, 11:13 AM EDT · current source
Long-term rangesAvailable historyHide
Price history: 2000-10-11–2026-10-09. Earlier trading may not be included. Highs and lows use intraday prices when available, otherwise closing prices. The 52-week range is reported separately by Yahoo Finance.
Loading price chart…
Data dates
PriceDelayedLast traded
FundamentalsLast checked
AnalystLast checked
NewsLatest item
What matters next
Next important events
- Oct 21, 2026Next earnings · Before market openFinnhub · Confirmed · Before market open · Last verified 2026-10-12
Countdown
9 days out
Reported fundamentals
TMO financial overview
Annual revenue
USD 44.56B
Sales for the fiscal year ended Dec 31, 2025. This is not trailing twelve-month revenue.
Revenue change
+3.9%
Change versus the fiscal year ended Dec 31, 2024.
Net profit margin
15.0%
Net income divided by revenue for the fiscal year ended Dec 31, 2025. This is not the trailing margin.
These reported results describe the business’s recent scale and profitability. Compare cash generation and valuation before forming an investment view; historical growth is not a forecast.
Company · Profile
About Thermo Fisher Scientific (TMO)
Sector, leadership, and how Thermo Fisher Scientific earns its revenue.
Healthcare
Company · Profile
About Thermo Fisher Scientific (TMO)
Sector, leadership, and how Thermo Fisher Scientific earns its revenue.
Thermo Fisher Scientific
NYSE · TMO · US
Company overview as of Oct 12, 2026.
- Sector
- Healthcare
- Industry
- Life Sciences Tools & Services
- Headquarters
- Waltham, MA, United States
- Country
- US
- Founded
- 1956
- Employees
- 125,000
- CEO
- Mr. Marc N. Casper
- Exchange
- NYSE
Business model & operating evidenceExplore business exposure, reported operating measures and the evidence behind growth and profitability claims.
Leadership
Chief executive officerMr. Marc N. Casper
Source: Yahoo Finance · Oct 12, 2026
Ownership filings and insider activityCompetitors & comparisonsCompare industry peers, reporting periods and related funds. Business mix and valuation bases may differ.
Governance & sustainability
All data sources
Search the dated figures used for this view. Each entry identifies its units, reporting period and calculation status.
Regular session
Regular hours: 9:30 AM–4:00 PM America/New_York
Next open: 2026-10-13 · 9:30 AM America/New_York
Exchange calendar includes scheduled holidays and early closes. Extended-session prices appear separately only when supplied by the quote source.
Shortcuts
With research tools focused: / search · W watchlist · C compare · F financials · E earnings · N news · T technicals · Esc close