Porvair's book value per share for the quarter that ended in May. 2026 was £3.76.
During the past 12 months, Porvair's average Book Value Per Share Growth Rate was 11.10% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 8.40% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 11.30% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 10.30% per year.
Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the book value growth rate using book value per share data.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Porvair was 24.60% per year. The lowest was -22.30% per year. And the median was 7.00% per year.
Porvair's current price is £8.18. Its book value per share for the quarter that ended in May. 2026 was £3.76. Hence, today's PB Ratio of Porvair is 2.25.
During the past 13 years, the highest P/B Ratio of Porvair was 3.84. The lowest was 1.84. And the median was 2.57.
Porvair (CHIX:PRVl) Book Value per Share Explanation
Usually a company's book value and Tangible Book per Share may not reflect its true value. The assets may be carried on the balance sheets at the original cost minus depreciation. This may underestimate the true economic values of the assets. It also may over-estimate their true economic value because the assets can become obsolete.
For financial companies such as banks and insurance companies, their assets may be reported in current market value of the assets owned. Book values of financial companies are more accurate indicator of the economic value of the company.
Porvair Book Value per Share Related Terms
Porvair Book Value per Share Historical Data
* Premium members only.
The historical data trend for Porvair's Book Value per Share 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.
CHIX:PRVL vs VLTO, ZWS, CECO: Book Value per Share Comparison
For the Pollution & Treatment Controls subindustry, Porvair'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.
Porvair PB Ratio vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, Porvair's PB Ratio distribution charts can be found below:
* The bar in red indicates where Porvair's PB Ratio falls into.
* 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.
Porvair (CHIX:PRVL) has a Book Value per Share of £3.76 as of May. 2026. Book value per share gives the per-share value of a company's stockholder equity. View historical data on Porvair and its competitors.
Is Porvair's Book Value per Share too high?
Porvair's current Book Value per Share is £3.76. Overall, Porvair has a GF Score™ of 96/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Porvair's Book Value per Share compare to VLTO and ZWS?
Porvair's Book Value per Share of £3.76 can be compared against companies in the Industrial Products industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Book Value per Share for an Industrial Products company?
A good Book Value per Share depends on the Industrial Products industry context. However, Book Value per Share should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Book Value per Share mean?
A high Book Value per Share can signal that a stock is expensive relative to its fundamentals. Book value per share gives the per-share value of a company's stockholder equity. View historical data on Porvair and its competitors. Porvair's current Book Value per Share is £3.76. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Porvair stock overvalued right now?
Based on GuruFocus' analysis, Porvair (CHIX:PRVL) is currently considered Fairly Valued. The stock's GF Value™ is £7.59, compared to a current price of £8.18 — trading 7.8% above its estimated fair value. The current Book Value per Share is £3.76. Porvair's overall GF Score™ is 96/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Book Value per Share calculated?
Book Value per Share is calculated from a company's financial statements. For Porvair (CHIX:PRVL), the current Book Value per Share is £3.76 as of May. 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 Porvair (CHIX:PRVL) Overvalued in 2026?
Based on GuruFocus' analysis, Porvair stock appears to be overvalued.
The current stock price of £8.18 is trading 7.8% above its estimated GF Value™ of £7.59.
GuruFocus considers Porvair to be Fairly Valued.
Key valuation signals for CHIX:PRVL:
Book Value per Share: £3.76
GF Value™: £7.59 vs. price of £8.18 (7.8% above fair value)
No single metric tells the full story. See the CHIX:PRVL stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Porvair PLC is an environmental treatment control company. It develops filtration solutions to be used by various types of industries. The company caters to its clients through three divisions: Aerospace and Industrial, Laboratory, and Metal Melt Quality. The Aerospace and Industrial Division is a key revenue generator, principally serving the aviation, energy, and industrial markets. Laboratory Division principally serving the bioscience and environmental laboratory instrument and consumables market. Metal Melt Quality Division principally serves the world aluminium, North American Free Trade Agreement (NAFTA), iron foundry, and superalloys markets. The company generates the majority of its manufacturing revenue from sales in the United States.
96GF Score
Get the complete analysis for CHIX:PRVL
Book Value per Share is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
CHIX:PRVL has been successfully added to your 
