PentairMEX:PNRN 76 PB Ratio is 1.93 as of Jul. 06, 2026, which is 48% below its 10-year median of 3.68. GuruFocus rates MEX:PNRN with a GF Score™ of 76/100 and a GF Value™ of MXN980.31. The stock has 1 warning sign investors should review. Among 2,979 Industrial Products companies, Pentair ranks worse than 63.91% on this metric.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. As of today (2026-07-06), Pentair's share price is MXN822.50. Pentair's Book Value per Share for the quarter that ended in Mar. 2026 was MXN425.15. Hence, Pentair's PB Ratio of today is 1.93.
Good Sign:
Pentair PLC stock PB Ratio (=3.25) is close to 3-year low of 3.
The historical rank and industry rank for Pentair's PB Ratio or its related term are showing as below:
MEX:PNRN'
s PB Ratio Range Over the Past 10 Years
Min: 1.52 Med: 3.68 Max: 5.8
Current: 3.25
During the past 13 years, Pentair's highest PB Ratio was 5.80. The lowest was 1.52. And the median was 3.68.
MEX:PNRN's PB Ratio is ranked worse than 63.91% of 2979
companies
in the Industrial Products industry
Industry Median: 2.32
vs MEX:PNRN: 3.25
During the past 12 months, Pentair's average Book Value Per Share Growth Rate was 6.80% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 12.90% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 13.60% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Pentair was 43.90% per year. The lowest was -23.10% per year. And the median was 7.90% per year.
The PB Ratio works the best for the businesses that earn most of their profit from their assets, e.g. banks and insurance companies.
Be Aware
Some businesses have very light assets, such as software companies or insurance agencies. The PB Ratio does not work well for these companies. Some companies even have negative equity, so the PB Ratio cannot be applied to them.
Pentair PB Ratio Related Terms
Pentair PB Ratio Historical Data
* Premium members only.
The historical data trend for Pentair's PB Ratio can be seen below:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
For the Specialty Industrial Machinery subindustry, Pentair's PB Ratio, along with its competitors' market caps and PB Ratio data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
Pentair PB Ratio vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, Pentair's PB Ratio distribution charts can be found below:
* The bar in red indicates where Pentair's PB Ratio falls into.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. It is a ratio widely used to value stocks.
Pentair's PB Ratio for today is calculated as follows:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
It can also be calculated from the numbers for the whole company:
A closely related ratio is called Price-to-Tangible-Book. The difference between Price-to-Tangible-Book and PB Ratio is that book value other than intangibles are used in the calculation.
Pentair (MEX:PNRN) has a PB Ratio of 1.93 as of Jul. 06, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Pentair and its competitors. This is 48% below median its historical median of 3.68. Over the past decade, Pentair's PB Ratio has ranged from 1.52 to 5.80. According to the industry distribution chart, Pentair ranks #1904 out of 2979 companies in the Industrial Products industry, placing it in the top 63.9%.
Is Pentair's PB Ratio too high?
Pentair's current PB Ratio of 1.93 is 48% below median its 10-year median of 3.68. Over the past 10 years, this metric has ranged from a low of 1.52 to a high of 5.80. The Industrial Products industry median PB Ratio is 2.32. Pentair's value of 1.93 is 16.8% below this industry median. Based on the distribution chart, Pentair ranks #1904 out of 2979 companies in the Industrial Products industry, which is below the industry midpoint. Overall, Pentair has a GF Score™ of 76/100, reflecting its overall financial health beyond just this single metric.
How does Pentair's PB Ratio compare to CR and GGG?
According to the Industrial Products industry distribution chart, Pentair ranks #1904 out of 2979 companies for PB Ratio. This places Pentair in the lower half of its industry. The industry median PB Ratio is 2.32. Pentair's value of 1.93 is 16.8% below this benchmark. Historically, Pentair's own PB Ratio has ranged from 1.52 to 5.80 over the past decade. While the company's 10-year median is 3.68 vs. the industry median of 2.32, Pentair has consistently been below the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good PB Ratio for an Industrial Products company?
The median PB Ratio among Industrial Products companies is 2.32, based on 2,979 companies in the industry. Companies in the top quartile (top 25%) have a PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Pentair's current PB Ratio of 1.93 is 16.8% below the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high PB Ratio mean?
A high PB Ratio can signal that a stock is expensive relative to its fundamentals. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Pentair and its competitors. For the Industrial Products industry, the median PB Ratio is 2.32 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Pentair's current PB Ratio is 1.93, which is 48% below median its own 10-year median of 3.68. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Pentair stock overvalued right now?
Pentair (MEX:PNRN) has a current PB Ratio of 1.93. The stock's GF Value™ is MXN980.31, compared to a current price of MXN822.50 — trading 16.1% below its estimated fair value. The current PB Ratio is 1.93, which is 48% below median its 10-year median of 3.68 and 16.8% below the Industrial Products industry median of 2.32. Pentair's overall GF Score™ is 76/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PB Ratio calculated?
PB Ratio is calculated from a company's financial statements. For Pentair (MEX:PNRN), the current PB Ratio is 1.93 as of Jul. 06, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is Pentair (MEX:PNRN) Overvalued in 2026?
Based on GuruFocus' analysis, Pentair stock appears to be undervalued.
The current stock price of MXN822.50 is trading 16.1% below its estimated GF Value™ of MXN980.31.
Key valuation signals for MEX:PNRN:
PB Ratio: 1.93 (48% below median its 10-year median of 3.68)
GF Value™: MXN980.31 vs. price of MXN822.50 (16.1% below fair value)
Industry Position: 16.8% below the Industrial Products median (#1904 of 2979)
No single metric tells the full story. See the MEX:PNRN stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Pentair is a global leader in the water treatment industry, with 10,000 employees and a presence in 25 countries. Its business is organized into three segments: pool, water technologies, and flow. The company offers a wide range of water solutions, including energy-efficient swimming pool equipment, filtration solutions, and commercial and industrial pumps. Pentair generated approximately $4.2 billion in revenue in 2025.
76GF Score
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