What is TMO's five-year median P/S?

The median, or middle weekly reading, is 4.9× over the last five years. Available history contains 859 weekly observations from May 10, 2010 to Oct 19, 2026.

Does a low historical rank mean a stock is a buy?

No. The rank describes a stock’s own history. Changes in growth, financial risk and the business can change the multiple investors pay. P/E uses earnings and P/S uses revenue from the previous twelve months.

Thermo Fisher Scientific (TMO) valuation history

Above its usual range

As of Oct 22, 2026

TMO's P/S of 5.6x is higher than 89% of its available weekly readings from the last five years.

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P/S at year-end

Last weekly reading of each completed year. Rank runs from lowest (0%) to highest (100%) within the five years available on that date.

TMO year-end valuation history
Reading date	P/S	5-year rank
Dec 29, 2025	5.1×	55%
Dec 30, 2024	4.8×	21%
Dec 25, 2023	4.7×	27%
Dec 26, 2022	4.9×	45%
Dec 27, 2021	6.8×	95%
Dec 28, 2020	6.5×	96%
Dec 30, 2019	5.2×	99%
Dec 31, 2018	3.8×	73%
Dec 25, 2017	3.8×	94%
Dec 26, 2016	3.1×	51%

Peers on the same measure

Stock	P/S	5-year rank
AAgilent Technologies	6.8×	93%
CRLCharles River Laboratories	4.1×	92%
DHRDanaher Corporation	6.6×	62%
IQVIQVIA	2.8×	66%

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Health Care Stocks with Low P/E Ratios and Steady Revenue Growth Stocks Below Their 5-Year Median P/E Stocks Near Their Lowest P/E Ratios in 5 Years

Research on TMO

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About this history

What is TMO's current P/S?: TMO's P/S of 5.6x is higher than 89% of its available weekly readings from the last five years.
What is TMO's five-year median P/S?: The median, or middle weekly reading, is 4.9× over the last five years. Available history contains 859 weekly observations from May 10, 2010 to Oct 19, 2026.
Does a low historical rank mean a stock is a buy?: No. The rank describes a stock’s own history. Changes in growth, financial risk and the business can change the multiple investors pay. P/E uses earnings and P/S uses revenue from the previous twelve months.