PORR AG (WBO:POS) Book Value per Share: €23.73 (As of Dec. 2025)

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WBO:POS PORR AG WBO:POS
58 GF Score
Price €39.05
GF Value €15.05
Valuation Significantly Overvalued
! 2 Warning Signs
View Full Analysis

What is PORR AG Book Value per Share?

PORR AG WBO:POS -0.51% 58 Book Value per Share is €23.73 as of Dec. 2025. GuruFocus rates WBO:POS with a GF Score™ of 58/100 and a GF Value™ of €15.05 (Significantly Overvalued). The stock has 2 warning signs investors should review.

PORR AG's book value per share for the quarter that ended in Dec. 2025 was €23.73.

During the past 12 months, PORR AG's average Book Value Per Share Growth Rate was 4.20% per year. During the past 3 years, the average Book Value Per Share Growth Rate was 6.40% per year. During the past 5 years, the average Book Value Per Share Growth Rate was 3.20% per year. During the past 10 years, the average Book Value Per Share Growth Rate was 5.90% 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 PORR AG was 17.70% per year. The lowest was -12.00% per year. And the median was 2.95% per year.

PORR AG's current price is €39.05. Its book value per share for the quarter that ended in Dec. 2025 was €23.73. Hence, today's PB Ratio of PORR AG is 1.65.

During the past 13 years, the highest P/B Ratio of PORR AG was 3.15. The lowest was 0.48. And the median was 0.85.


PORR AG  (WBO:POS) 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.


PORR AG Book Value per Share Related Terms


PORR AG Book Value per Share Historical Data

* Premium members only.

The historical data trend for PORR AG'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.

PORR AG Book Value per Share Chart

PORR AG 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 20.24 19.71 21.81 22.77 23.73

PORR AG Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 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 22.77 21.42 21.00 22.05 23.73

WBO:POS vs PWR, FIX, EME: Book Value per Share Comparison

For the Engineering & Construction subindustry, PORR AG'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.


PORR AG PB Ratio vs Construction Industry

For the Construction industry and Industrials sector, PORR AG's PB Ratio distribution charts can be found below:

* The bar in red indicates where PORR AG's PB Ratio falls into.


WBO:POS
58GF Score
PORR AG WBO:POS
Book Value per Share is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

PORR AG Book Value per Share Calculation

PORR AG'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)
=(932-0)/39
=23.73

PORR AG'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)
=(932-0)/39
=23.73

* 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 €23.73 mean?
PORR AG (WBO:POS) has a Book Value per Share of €23.73 as of Dec. 2025. Book value per share gives the per-share value of a company's stockholder equity. View historical data on PORR AG and its competitors.
Is PORR AG's Book Value per Share too high?
PORR AG's current Book Value per Share is €23.73. Overall, PORR AG has a GF Score™ of 58/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does PORR AG's Book Value per Share compare to PWR and FIX?
PORR AG's Book Value per Share of €23.73 can be compared against companies in the Construction 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 a Construction company?
A good Book Value per Share depends on the Construction 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 PORR AG and its competitors. PORR AG's current Book Value per Share is €23.73. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is PORR AG stock overvalued right now?
Based on GuruFocus' analysis, PORR AG (WBO:POS) is currently considered Significantly Overvalued. The stock's GF Value™ is €15.05, compared to a current price of €39.05 — trading 159.5% above its estimated fair value. The current Book Value per Share is €23.73. PORR AG's overall GF Score™ is 58/100 with 2 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 PORR AG (WBO:POS), the current Book Value per Share is €23.73 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 PORR AG (WBO:POS) Overvalued in 2026?

Based on GuruFocus' analysis, PORR AG stock appears to be overvalued. The current stock price of €39.05 is trading 159.5% above its estimated GF Value™ of €15.05. GuruFocus considers PORR AG to be Significantly Overvalued.

Key valuation signals for WBO:POS:

  • Book Value per Share: €23.73
  • GF Value™: €15.05 vs. price of €39.05 (159.5% above fair value)
  • GF Score™: 58/100 with 2 warning signs

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


PORR AG Business Description

Other Exchanges POSv:UK0J04:UKABS2:Germany
Address Absberggasse 47, Vienna, AUT, 1100
PORR AG is an Austria-based construction company specializing in complex building and civil engineering projects. It operates across Austria, Germany, Switzerland, Poland, the Czech Republic, Slovakia, and Romania. Its segments include AT/CH (Austria and Switzerland), DE (Germany construction and investments), PL (Poland), CEE (Czech Republic, Slovakia, Romania), and Infrastructure International (tunneling, rail, specialist engineering). Non-operational functions, including the Shared Service Center, are managed under the Holding segment. The firm generates key revenue from AT/CH segment.
58GF Score

Get the complete analysis for WBO:POS

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

€39.05
Price
€15.05
GF Value