SPXSF (Spirax Group) Book Value per Share: $22.18 (As of Dec. 2025)


SPXSF Spirax Group PLC SPXSF
88 GF Score
Price $89.08
GF Value $111.54
Valuation Modestly Undervalued
! 4 Warning Signs
View Full Analysis

What is Spirax Group Book Value per Share?

Spirax Group SPXSF 88 Book Value per Share is $22.18 as of Dec. 2025. GuruFocus rates SPXSF with a GF Score™ of 88/100 and a GF Value™ of $111.54 (Modestly Undervalued). The stock has 4 warning signs investors should review.

Spirax Group's book value per share for the quarter that ended in Dec. 2025 was $22.18.

During the past 12 months, Spirax Group's average Book Value Per Share Growth Rate was 1.00% per year. During the past 3 years, the average Book Value Per Share Growth Rate was 1.50% per year. During the past 5 years, the average Book Value Per Share Growth Rate was 6.90% per year. During the past 10 years, the average Book Value Per Share Growth Rate was 11.40% 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 Spirax Group was 24.20% per year. The lowest was -1.20% per year. And the median was 8.80% per year.

Spirax Group's current price is $89.0835. Its book value per share for the quarter that ended in Dec. 2025 was $22.18. Hence, today's PB Ratio of Spirax Group is 4.02.

During the past 13 years, the highest P/B Ratio of Spirax Group was 14.77. The lowest was 3.48. And the median was 7.51.


Spirax Group  (OTCPK:SPXSF) 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.


Spirax Group Book Value per Share Related Terms


Spirax Group Book Value per Share Historical Data

* Premium members only.

The historical data trend for Spirax Group'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.

Spirax Group Book Value per Share Chart

Spirax Group Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Book Value per Share
Get a 7-Day Free Trial Premium Member Only Premium Member Only 18.19 19.30 19.89 20.73 22.18

Spirax Group Semi-Annual Data
Jun16 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
Book Value per Share Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 19.89 20.00 20.73 20.91 22.18

SPXSF vs GEV, ETN, PH: Book Value per Share Comparison

For the Specialty Industrial Machinery subindustry, Spirax Group'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.


Spirax Group PB Ratio vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, Spirax Group's PB Ratio distribution charts can be found below:

* The bar in red indicates where Spirax Group's PB Ratio falls into.


SPXSF
88GF Score
Spirax Group PLC SPXSF
Book Value per Share is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Spirax Group Book Value per Share Calculation

Spirax Group's Book Value Per Share for the fiscal year that ended in Dec. 2025 is calculated as:

Book Value Per Share=(Total Stockholders Equity-Preferred Stock)/Shares Outstanding (EOP)
=(1,636-0)/74
=22.18

Spirax Group's Book Value Per Share for the quarter that ended in Dec. 2025 is calculated as:

Book Value Per Share=(Total Stockholders Equity-Preferred Stock)/Shares Outstanding (EOP)
=(1,636-0)/74
=22.18

* 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.

Theoretically it is what the shareholders will receive if the company is liquidated. Total Stockholders Equity is a balance sheet item and equal to Total Assets less Total Liabilities of the company.

Book value may include intangible items which may come from the company's past acquisitions. Book value less intangibles is called Tangible Book.

Frequently Asked Questions Learn more about Book Value per Share →
What does a Book Value per Share of $22.18 mean?
Spirax Group (SPXSF) has a Book Value per Share of $22.18 as of Dec. 2025. Book value per share gives the per-share value of a company's stockholder equity. View historical data on Spirax Group and its competitors.
Is Spirax Group's Book Value per Share too high?
Spirax Group's current Book Value per Share is $22.18. Overall, Spirax Group has a GF Score™ of 88/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Spirax Group's Book Value per Share compare to GEV and ETN?
Spirax Group's Book Value per Share of $22.18 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 Spirax Group and its competitors. Spirax Group's current Book Value per Share is $22.18. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Spirax Group stock overvalued right now?
Based on GuruFocus' analysis, Spirax Group (SPXSF) is currently considered Modestly Undervalued. The stock's GF Value™ is $111.54, compared to a current price of $89.08 — trading 20.1% below its estimated fair value. The current Book Value per Share is $22.18. Spirax Group's overall GF Score™ is 88/100 with 4 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 Spirax Group (SPXSF), the current Book Value per Share is $22.18 as of Dec. 2025. 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 Spirax Group (SPXSF) Overvalued in 2026?

Based on GuruFocus' analysis, Spirax Group stock appears to be undervalued. The current stock price of $89.08 is trading 20.1% below its estimated GF Value™ of $111.54. GuruFocus considers Spirax Group to be Modestly Undervalued.

Key valuation signals for SPXSF:

  • Book Value per Share: $22.18
  • GF Value™: $111.54 vs. price of $89.08 (20.1% below fair value)
  • GF Score™: 88/100 with 4 warning signs

No single metric tells the full story. See the SPXSF stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Spirax Group Business Description

Address Cirencester Road, Charlton House, Charlton Kings, Cheltenham, Gloucestershire, GBR, GL53 8ER
Spirax is a global manufacturer of a wide range of applications for industrial and commercial steam systems, electric thermal solutions, and peristaltic pumps used across multiple industries. The group operates across three segments and has over 110,000 direct customers across 130 countries. Approximately 85% of group sales are generated from recurring maintenance and small improvements to existing customer systems. Spirax has 1,700 product lines and 2,100 sales and service engineers, who account for 25% of employees.
88GF Score

Get the complete analysis for SPXSF

Book Value per Share is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$89.08
Price
$111.54
GF Value