Thermo Fisher Scientific Inc., US8835561023

Thermo Fisher Scientific stock eases after guidance raise and solid second-quarter growth

Published on 09/20/2026 at 12:20 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS

Thermo Fisher Scientific stock closed at USD 650.82 on September 18, 2026 on the NYSE, up 12.3% since the start of 2026. The company recently reported second-quarter organic revenue growth of 5% and adjusted EPS growth of 13% alongside raised 2026 guidance.

Aquarellbild eines gläsernen Forschungscampus an einem Fluss mit herbstlichen Bäumen — Aquarellmalerei symbolisiert Thermo Fisher Sci. US8835561023 mit gläsernem Forschungscampus entlang eines ruhigen Flusses im Herbst, Illustration mit AI erstellt.

Thermo Fisher Scientific Inc. stock (ISIN US8835561023) closed at USD 650.82 on the New York Stock Exchange on September 18, 2026, representing a 12.3% gain since the beginning of 2026 based on data from MarketBeat.

Second-quarter growth and raised 2026 guidance

According to Simply Wall St in an analysis published on September 19, 2026, Thermo Fisher Scientific recently reported second-quarter 2026 organic revenue growth of 5% and adjusted earnings per share growth of 13% compared with the prior-year quarter.

The same analysis notes that the company raised its 2026 revenue and adjusted EPS outlook, signaling confidence in demand from pharmaceutical and biotechnology customers, though the exact guidance ranges are not detailed in the snippet.

Stock performance and valuation context

MarketBeat data as of September 18, 2026 shows Thermo Fisher Scientific's stock at USD 650.82, down 1.14% on the day from the prior close despite having increased from USD 579.42 at the start of 2026, a rise of 12.3% year-to-date.

In extended trading on September 18, 2026, the shares were quoted at USD 652.29, which suggests modest buying interest after the regular session close according to MarketBeat.