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Proto Labs's book value per share for the quarter that ended in Mar. 2026 was €24.84.
During the past 12 months, Proto Labs's average Book Value Per Share Growth Rate was 3.90% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 3.20% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 1.80% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 8.50% 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 Proto Labs was 25.60% per year. The lowest was -2.80% per year. And the median was 14.60% per year.
Proto Labs's current price is €65.00. Its book value per share for the quarter that ended in Mar. 2026 was €24.84. Hence, today's PB Ratio of Proto Labs is 2.62.
During the past 13 years, the highest P/B Ratio of Proto Labs was 9.00. The lowest was 0.80. And the median was 2.91.
Warning Sign:
Proto Labs Inc stock PB Ratio (=2.59) is close to 3-year high of 2.82.
Proto Labs (WBO:PRLB) 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.
Proto Labs Book Value per Share Related Terms
Proto Labs Book Value per Share Historical Data
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The historical data trend for Proto Labs'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.
WBO:PRLB vs RYZ, WOR, MEC: Book Value per Share Comparison
For the Metal Fabrication subindustry, Proto Labs'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.
Proto Labs PB Ratio vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, Proto Labs's PB Ratio distribution charts can be found below:
* The bar in red indicates where Proto Labs'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.
Proto Labs (WBO:PRLB) has a Book Value per Share of €24.84 as of Mar. 2026. Book value per share gives the per-share value of a company's stockholder equity. View historical data on Proto Labs and its competitors.
Is Proto Labs' Book Value per Share too high?
Proto Labs' current Book Value per Share is €24.84. Overall, Proto Labs has a GF Score™ of 66/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Proto Labs' Book Value per Share compare to RYZ and WOR?
Proto Labs' Book Value per Share of €24.84 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 Proto Labs and its competitors. Proto Labs's current Book Value per Share is €24.84. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Proto Labs stock overvalued right now?
Based on GuruFocus' analysis, Proto Labs (WBO:PRLB) is currently considered Significantly Overvalued. The stock's GF Value™ is €37.77, compared to a current price of €65.00 — trading 72.1% above its estimated fair value. The current Book Value per Share is €24.84. Proto Labs' overall GF Score™ is 66/100 with 7 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 Proto Labs (WBO:PRLB), the current Book Value per Share is €24.84 as of Mar. 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 Proto Labs (WBO:PRLB) Overvalued in 2026?
Based on GuruFocus' analysis, Proto Labs stock appears to be overvalued.
The current stock price of €65.00 is trading 72.1% above its estimated GF Value™ of €37.77.
GuruFocus considers Proto Labs to be Significantly Overvalued.
Key valuation signals for WBO:PRLB:
Book Value per Share: €24.84
GF Value™: €37.77 vs. price of €65.00 (72.1% above fair value)
No single metric tells the full story. See the WBO:PRLB stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Proto Labs Inc is an on-demand manufacturer of custom parts for prototyping and short-run production. The company offers developers and engineers quick-turn production services to reduce the time to market. The Lab uses injection molding, computer numerical control machining, and 3-D printing, and sheet metal to manufacture custom parts for its clients. The company services clients' needs for prototype solutions, parts for testing procedures, bridge production capabilities during disruptions in manufacturing processes, limited-quantity requests, and end-of-life production support. Geographically, a majority of the company's revenue is derived from the United States and the rest from Europe.
66GF Score
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Book Value per Share is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
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