NYSE:TMO 23 January 2026 - 15 February 2026

Thermo Fisher shares fell 2.3% to $578.61 Friday, their fourth straight decline, after management warned of 2026 profit headwinds tied to U.S. research funding cuts. The stock closed about 10% below its 52-week high on heavy volume. Investors are watching Monday’s open for signs of continued selling. Peers Danaher and Waters also slipped.

Thermo Fisher shares fell 2.6% to $592.08 after the company forecast 2026 adjusted profit below Wall Street estimates, citing continued weakness in U.S. academic and government funding. The firm projected 2026 adjusted EPS of $24.22–$24.80 and revenue of $46.3–$47.2 billion. Fourth-quarter revenue rose 7% to $12.21 billion. Investors are watching the timing of the Clario acquisition, expected to close by mid-2026.

Thermo Fisher Scientific shares fell 2.1% to $625.98 on Friday, reversing after a 52-week high the previous day. Trading volume was above average as investors positioned ahead of next week’s earnings and a Federal Reserve meeting. The company’s 1.400% senior notes due 2026 are being delisted from the NYSE. Thermo Fisher reports fourth-quarter results before markets open on Jan. 29.

Thermo Fisher Scientific shares fell 2.1% to $625.98 Friday, ending a three-day rally and retreating from a 52-week high. The drop came ahead of the company’s Jan. 29 earnings release and as peers Waters and Danaher also declined about 2%, signaling profit-taking in the life-sciences tools sector. Investors await updates on Thermo Fisher’s planned Clario acquisition and outlook for 2026.

Thermo Fisher Scientific shares fell nearly 2% by midday Friday, reversing earlier gains after touching a record high near $640. The drop outpaced the broader market, with peers Danaher, Agilent, and Illumina also declining. Investors are awaiting Thermo Fisher’s fourth-quarter results, set for release before the market opens on Jan. 29. The S&P 500 was steady while the health-care sector slipped.

Thermo Fisher Scientific shares fell 1.2% to $631.70 in late morning trading Friday, ending a two-day rally as investors awaited the company’s Jan. 29 earnings report. Peers Danaher and Agilent also declined. Traders are watching for management’s outlook on demand and margins. A recent minor debt security filing drew some attention but did not involve common stock.

Thermo Fisher shares closed up 0.5% at $639.43 Thursday after hitting a new 52-week high, with little change in after-hours trading. The company will report fourth-quarter and full-year results before the market opens Jan. 29. Investors are watching for signals on lab and biopharma spending. Peers Danaher and Agilent slipped, while Waters rose late Thursday.