Avoid the stress of overpaying for a stock or missing an opportunity by using the right tools and insights to evaluate Thermo Fisher Scientific Inc. before investing.

In this article, we go over a few key elements for understanding Thermo Fisher Scientific Inc.’s stock price such as:

• Thermo Fisher Scientific Inc.’s current stock price and volume
• Why Thermo Fisher Scientific Inc.’s stock price changed recently
• Upgrades and downgrades for TMO from analysts
• TMO’s stock price momentum as measured by its relative strength

About Thermo Fisher Scientific Inc. (TMO)

Before we jump into Thermo Fisher Scientific Inc.’s stock price, history, target price and what caused it to recently dip, let’s take a look at some background.

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.

Want to learn more about Thermo Fisher Scientific Inc.’s stock? Click the button below to subscribe to A+ Investor and get access to everything you need to know about Thermo Fisher Scientific Inc..

Thermo Fisher Scientific Inc.’s Stock Price as of Market Close

As of July 31, 2026, 4:00 PM, CST, Thermo Fisher Scientific Inc.’s stock price was $574.300.

Thermo Fisher Scientific Inc. is down 0.43% from its previous closing price of $576.770.

During the last market session, Thermo Fisher Scientific Inc.’s stock traded between $562.870 and $577.590. Currently, there are approximately 372.00 million shares outstanding for Thermo Fisher Scientific Inc..

Thermo Fisher Scientific Inc.’s price-earnings (P/E) ratio is currently at 31.6, which is low compared to the Life Sciences Tools & Services industry median of 43.7. The price-earnings ratio gauges market expectation of future performance by relating a stock’s current share price to its earnings per share.

Thermo Fisher Scientific Inc. Stock Price History

Thermo Fisher Scientific Inc.’s (TMO) price is currently up 14.55% so far this month.

During the month of July, Thermo Fisher Scientific Inc.’s stock price has reached a high of $588.560 and a low of $495.040.

Over the last year, Thermo Fisher Scientific Inc. has hit prices as high as $643.990 and as low as $435.270. Year to date, Thermo Fisher Scientific Inc.’s stock is down 0.89%.

Sign Up to Receive a Free Special Report Showing How A+ Grades Can Help You Make Smarter Investment Decisions

What Caused Thermo Fisher Scientific Inc. Stock’s Price to Dip?

Stock prices are primarily based on seller supply and buyer demand. But have you ever wondered about what other factors affect a stock's price?

When an analyst changes their opinion of a stock by upgrading or downgrading their rating, it often leads to a sudden stock price adjustment. As of July 31, 2026, there was 1 analyst who downgraded Thermo Fisher Scientific Inc.’s stock and 0 analysts who upgraded over the last month.

Additionally, you'll want to evaluate Thermo Fisher Scientific Inc.’s financial health and valuation. Investors can use AAII's Value Grade, which combines six key valuation metrics like P/E and P/S ratios for a comprehensive analysis to conduct analysis on Thermo Fisher Scientific Inc.’s valuation and financial health. This approach mitigates the limitations of single-metric evaluations.

Thermo Fisher Scientific Inc.’s current valuation based on AAII’s Value Grade is a D, which means it is considered to be Expensive.

Learn how to evaluate stocks with AAII Grades and Scores with A+ Investor today.

Lastly, news and media coverage as well as recent press reports about the company or its industry may cause stock prices to fluctuate. You can check out the most recent news articles about Thermo Fisher Scientific Inc. (TMO) by visiting AAII Stock Evaluator.

Relative Price Strength of Thermo Fisher Scientific Inc.

Relative price strength measures a stock's performance against the market, helping investors identify stocks that are outperforming benchmarks.

For AAII’s Momentum Grade, a weighted relative price strength is calculated. Follow this link to learn more about the Momentum Grade.

As of July 31, 2026, Thermo Fisher Scientific Inc. has a weighted four-quarter relative price strength of 5.36%, which translates to a Momentum Score of 71 and is considered to be Strong.

Want to learn more about how Thermo Fisher Scientific Inc. is graded based on AAII’s composite scores for value, growth, quality and earnings estimate revisions? Subscribe to A+ Investor today.

Thermo Fisher Scientific Inc. Stock Price: Bottom Line

As of July 31, 2026, Thermo Fisher Scientific Inc.’s stock price is $574.300, which is down 0.43% from its previous closing price.

AAII advises against making stock decisions based solely on price or past returns. Instead, consider a variety of metrics, fundamentals, and analytics to evaluate a stock like Thermo Fisher Scientific Inc. stock prices are influenced by market supply and demand and offer just a snapshot of a company's overall health.

Subscribing to AAII's A+ Investor provides access to comprehensive analytics and insights for confident investing.