Thermo Fisher Scientific Hits Day High with 3.5% Surge in Stock Price

Thermo Fisher Scientific, Inc. has experienced a notable uptick in its stock performance, gaining 3.5% on October 3, 2025. The stock reached an intraday high of USD 545.44, reflecting a strong day of trading for the large-cap company in the Pharmaceuticals & Biotechnology sector.
Over the past week, Thermo Fisher has shown impressive momentum, with a 17.03% increase, significantly outperforming the S&P 500, which saw a modest rise of 1.09%. In the last month, the stock has risen by 12.13%, again surpassing the S&P 500's 4.15% gain. However, it is important to note that the stock has faced challenges over the past year, with a decline of 9.59%, contrasting sharply with the S&P 500's 17.82% increase.

Thermo Fisher's financial health remains robust, evidenced by a strong EBIT to Interest ratio of 11.00 and a healthy long-term growth trajectory, with net sales growing at an annual rate of 10.48%. The company maintains high institutional ownership at 93.65%, indicating confidence from larger investors in its fundamentals.