908 DevicesMASS -2.23%70 PB Ratio is 2.45 as of Jun. 28, 2026, which is 52% above its 10-year median of 1.61. GuruFocus rates MASS with a GF Score™ of 70/100 and a GF Value™ of $6.92 (Modestly Overvalued). The stock has 9 warning signs investors should review. Among 787 Medical Devices & Instruments companies, 908 Devices ranks worse than 56.42% on this metric.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. As of today (2026-06-28), 908 Devices's share price is $8.78. 908 Devices's Book Value per Share for the quarter that ended in Mar. 2026 was $3.59. Hence, 908 Devices's PB Ratio of today is 2.45.
Warning Sign:
908 Devices Inc stock PB Ratio (=2.45) is close to 3-year high of 2.47.
The historical rank and industry rank for 908 Devices's PB Ratio or its related term are showing as below:
MASS'
s PB Ratio Range Over the Past 10 Years
Min: 0.55 Med: 1.61 Max: 283
Current: 2.45
During the past 8 years, 908 Devices's highest PB Ratio was 283.00. The lowest was 0.55. And the median was 1.61.
MASS's PB Ratio is ranked worse than 56.42% of 787
companies
in the Medical Devices & Instruments industry
Industry Median: 1.99
vs MASS: 2.45
During the past 12 months, 908 Devices's average Book Value Per Share Growth Rate was -19.60% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -12.90% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was -10.00% per year.
During the past 8 years, the highest 3-Year average Book Value Per Share Growth Rate of 908 Devices was -0.10% per year. The lowest was -22.10% per year. And the median was -12.90% per year.
The PB Ratio works the best for the businesses that earn most of their profit from their assets, e.g. banks and insurance companies.
Be Aware
Some businesses have very light assets, such as software companies or insurance agencies. The PB Ratio does not work well for these companies. Some companies even have negative equity, so the PB Ratio cannot be applied to them.
908 Devices PB Ratio Related Terms
908 Devices PB Ratio Historical Data
* Premium members only.
The historical data trend for 908 Devices's PB Ratio 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.
For the Medical Devices subindustry, 908 Devices'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.
908 Devices PB Ratio vs Medical Devices & Instruments Industry
For the Medical Devices & Instruments industry and Healthcare sector, 908 Devices's PB Ratio distribution charts can be found below:
* The bar in red indicates where 908 Devices's PB Ratio falls into.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. It is a ratio widely used to value stocks.
908 Devices's PB Ratio for today is calculated as follows:
* 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 Price-to-Tangible-Book. The difference between Price-to-Tangible-Book and PB Ratio is that book value other than intangibles are used in the calculation.
908 Devices (MASS) has a PB Ratio of 2.45 as of Jun. 28, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on 908 Devices and its competitors. This is 52% above median its historical median of 1.61. Over the past decade, 908 Devices' PB Ratio has ranged from 0.55 to 283.00. According to the industry distribution chart, 908 Devices ranks #444 out of 787 companies in the Medical Devices & Instruments industry, placing it in the top 56.4%.
Is 908 Devices' PB Ratio too high?
908 Devices' current PB Ratio of 2.45 is 52% above median its 10-year median of 1.61. Over the past 10 years, this metric has ranged from a low of 0.55 to a high of 283.00. The Medical Devices & Instruments industry median PB Ratio is 1.99. 908 Devices' value of 2.45 is 23.1% above this industry median. Based on the distribution chart, 908 Devices ranks #444 out of 787 companies in the Medical Devices & Instruments industry, which is below the industry midpoint. Overall, 908 Devices has a GF Score™ of 70/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does 908 Devices' PB Ratio compare to ELMD and SI?
According to the Medical Devices & Instruments industry distribution chart, 908 Devices ranks #444 out of 787 companies for PB Ratio. This places 908 Devices in the lower half of its industry. The industry median PB Ratio is 1.99. 908 Devices' value of 2.45 is 23.1% above this benchmark. Historically, 908 Devices' own PB Ratio has ranged from 0.55 to 283.00 over the past decade. While the company's 10-year median is 1.61 vs. the industry median of 1.99, 908 Devices has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good PB Ratio for a Medical Devices & Instruments company?
The median PB Ratio among Medical Devices & Instruments companies is 1.99, based on 787 companies in the industry. Companies in the top quartile (top 25%) have a PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. 908 Devices's current PB Ratio of 2.45 is 23.1% 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 PB Ratio mean?
A high PB Ratio can signal that a stock is expensive relative to its fundamentals. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on 908 Devices and its competitors. For the Medical Devices & Instruments industry, the median PB Ratio is 1.99 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. 908 Devices's current PB Ratio is 2.45, which is 52% above median its own 10-year median of 1.61. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is 908 Devices stock overvalued right now?
Based on GuruFocus' analysis, 908 Devices (MASS) is currently considered Modestly Overvalued. The stock's GF Value™ is $6.92, compared to a current price of $8.78 — trading 26.9% above its estimated fair value. The current PB Ratio is 2.45, which is 52% above median its 10-year median of 1.61 and 23.1% above the Medical Devices & Instruments industry median of 1.99. 908 Devices' overall GF Score™ is 70/100 with 9 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PB Ratio calculated?
PB Ratio is calculated from a company's financial statements. For 908 Devices (MASS), the current PB Ratio is 2.45 as of Jun. 28, 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 908 Devices (MASS) Overvalued in 2026?
Based on GuruFocus' analysis, 908 Devices stock appears to be overvalued.
The current stock price of $8.78 is trading 26.9% above its estimated GF Value™ of $6.92.
GuruFocus considers 908 Devices to be Modestly Overvalued.
Key valuation signals for MASS:
PB Ratio: 2.45 (52% above median its 10-year median of 1.61)
GF Value™: $6.92 vs. price of $8.78 (26.9% above fair value)
Industry Position: 23.1% above the Medical Devices & Instruments median (#444 of 787)
No single metric tells the full story. See the MASS stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
908 Devices Inc develops a suite of purpose-built handheld devices for point-of-need chemical analysis. Leveraging mass spectrometry, optical spectroscopy, analytics and machine learning technologies, the company makes devices that are smaller and more accessible than conventional laboratory instruments. Its devices, including MX908, ThreatID, XplorIR and VipIR, are used to analyze unknown materials and provide actionable answers in health, safety and defense technology applications, addressing the fentanyl and illicit drug crisis, toxic carcinogen exposure and security threats. The company reimagines mass spectrometry technology by developing smaller, lower-cost and simpler-to-operate devices compared to conventional instruments, and generates maximum revenue from the United States.
70GF Score
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