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Proto LabsPRLB +0.60%67 Price-to-Tangible-Book is 4.86 as of Sep. 09, 2026. GuruFocus rates PRLB with a GF Score™ of 67/100 and a GF Value™ of $46.43 (Significantly Overvalued). The stock has 3 warning signs investors should review. Among 2,888 Industrial Products companies, Proto Labs ranks worse than 73.27% on this metric.
As of today (2026-09-09), Proto Labs's share price is $81.52. Proto Labs's Tangible Book per Share of Jun. 2026 for the quarter that ended in Jun. 2026 was $16.77. Hence, Proto Labs's Price to Tangible Book Ratio of today is 4.86.
The historical rank and industry rank for Proto Labs's Price-to-Tangible-Book or its related term are showing as below:
PRLB'
s Price-to-Tangible-Book Range Over the Past 10 Years
Min: 1.75 Med: 4.25 Max: 11.44
Current: 4.86
During the past 13 years, Proto Labs's highest Price to Tangible Book Ratio was 11.44. The lowest was 1.75. And the median was 4.25.
PRLB's Price-to-Tangible-Book is ranked worse than 73.27% of 2888
companies
in the Industrial Products industry
Industry Median: 2.47
vs PRLB: 4.86
Some businesses have very light assets, such as software companies or insurance agencies. The Price-to-Book Ratio does not work well for these companies. Some companies even have negative equity, so the Price-to-Book Ratio cannot be applied to them.
Proto Labs Price-to-Tangible-Book Related Terms
Proto Labs Price-to-Tangible-Book Historical Data
* Premium members only.
The historical data trend for Proto Labs's Price-to-Tangible-Book 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.
PRLB vs RYZ, WOR, IIIN: Price-to-Tangible-Book Comparison
For the Metal Fabrication subindustry, Proto Labs's Price-to-Tangible-Book, along with its competitors' market caps and Price-to-Tangible-Book 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 Price-to-Tangible-Book vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, Proto Labs's Price-to-Tangible-Book distribution charts can be found below:
* The bar in red indicates where Proto Labs's Price-to-Tangible-Book 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.
It can also be calculated from the numbers for the whole company:
A closely related ratio is called PB Ratio. The difference between Price-to-Tangible-Book Ratio and PB Ratio is that book value other than intangibles are used in the calculation.
Proto Labs (PRLB) has a Price-to-Tangible-Book of 4.86 as of Sep. 09, 2026. Price-to-tangible-book ratio is the ratio of share price to a company's tangible book value per share. View historical data on Proto Labs and its competitors. According to the industry distribution chart, Proto Labs ranks #2116 out of 2888 companies in the Industrial Products industry, placing it in the top 73.3%.
Is Proto Labs' Price-to-Tangible-Book too high?
Proto Labs' current Price-to-Tangible-Book is 4.86. The Industrial Products industry median Price-to-Tangible-Book is 2.47. Proto Labs' value of 4.86 is 96.8% above this industry median. Based on the distribution chart, Proto Labs ranks #2116 out of 2888 companies in the Industrial Products industry, which is below the industry midpoint. Overall, Proto Labs has a GF Score™ of 67/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Proto Labs' Price-to-Tangible-Book compare to RYZ and WOR?
According to the Industrial Products industry distribution chart, Proto Labs ranks #2116 out of 2888 companies for Price-to-Tangible-Book. This places Proto Labs in the lower half of its industry. The industry median Price-to-Tangible-Book is 2.47. Proto Labs' value of 4.86 is 96.8% above this benchmark. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Price-to-Tangible-Book for an Industrial Products company?
The median Price-to-Tangible-Book among Industrial Products companies is 2.47, based on 2,888 companies in the industry. Companies in the top quartile (top 25%) have a Price-to-Tangible-Book significantly above this median, while those in the bottom quartile fall well below. However, Price-to-Tangible-Book should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Proto Labs's current Price-to-Tangible-Book of 4.86 is 96.8% above 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 Price-to-Tangible-Book mean?
A high Price-to-Tangible-Book can signal that a stock is expensive relative to its fundamentals. Price-to-tangible-book ratio is the ratio of share price to a company's tangible book value per share. View historical data on Proto Labs and its competitors. For the Industrial Products industry, the median Price-to-Tangible-Book is 2.47 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Proto Labs's current Price-to-Tangible-Book is 4.86. 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 (PRLB) is currently considered Significantly Overvalued. The stock's GF Value™ is $46.43, compared to a current price of $81.52 — trading 75.6% above its estimated fair value. The current Price-to-Tangible-Book is 4.86 and 96.8% above the Industrial Products industry median of 2.47. Proto Labs' overall GF Score™ is 67/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Price-to-Tangible-Book calculated?
Price-to-Tangible-Book is calculated from a company's financial statements. For Proto Labs (PRLB), the current Price-to-Tangible-Book is 4.86 as of Sep. 09, 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 (PRLB) Overvalued in 2026?
Based on GuruFocus' analysis, Proto Labs stock appears to be overvalued.
The current stock price of $81.52 is trading 75.6% above its estimated GF Value™ of $46.43.
GuruFocus considers Proto Labs to be Significantly Overvalued.
Key valuation signals for PRLB:
Price-to-Tangible-Book: 4.86
GF Value™: $46.43 vs. price of $81.52 (75.6% above fair value)
Industry Position: 96.8% above the Industrial Products median (#2116 of 2888)
No single metric tells the full story. See the 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.
67GF Score
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