What is PNR's five-year median P/E?

The median, or middle weekly reading, is 21.6× over the last five years. Available history contains 533 weekly observations from Aug 8, 2016 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.

Pentair (PNR) valuation history

Historically low

As of Oct 22, 2026

PNR's P/E of 12.9x is lower than 96% of its available weekly readings from the last five years.

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P/E 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.

PNR year-end valuation history
Reading date	P/E	5-year rank
Dec 29, 2025	26.8×	79%
Dec 30, 2024	25.3×	79%
Dec 25, 2023	23.6×	75%
Dec 26, 2022	14.0×	15%
Dec 27, 2021	24.1×	76%
Dec 28, 2020	25.3×	98%
Dec 30, 2019	22.4×	95%
Dec 31, 2018	15.5×	66%
Dec 25, 2017	14.4×	56%
Dec 26, 2016	Unavailable	Short history

Peers on the same measure

Stock	P/E	5-year rank
DOVDover Corporation	24.1×	83%
FTVFortive	35.1×	93%
GWWW. W. Grainger	34.5×	96%
IEXIDEX Corporation	33.9×	89%

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Research on PNR

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About this history

What is PNR's current P/E?: PNR's P/E of 12.9x is lower than 96% of its available weekly readings from the last five years.
What is PNR's five-year median P/E?: The median, or middle weekly reading, is 21.6× over the last five years. Available history contains 533 weekly observations from Aug 8, 2016 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.