Inspire Medical SystemsSTU:2DR +1.79%55 PB Ratio is 1.91 as of Jul. 11, 2026, which is 82% below its 10-year median of 10.64. GuruFocus rates STU:2DR with a GF Score™ of 55/100 and a GF Value™ of €186.36 (Possible Value Trap). The stock has 7 warning signs investors should review. Among 786 Medical Devices & Instruments companies, Inspire Medical Systems ranks better than 54.71% on this metric.
The historical rank and industry rank for Inspire Medical Systems's PB Ratio or its related term are showing as below:
STU:2DR'
s PB Ratio Range Over the Past 10 Years
Min: 1.46 Med: 10.64 Max: 34.65
Current: 1.9
During the past 11 years, Inspire Medical Systems's highest PB Ratio was 34.65. The lowest was 1.46. And the median was 10.64.
STU:2DR's PB Ratio is ranked better than 54.71% of 786
companies
in the Medical Devices & Instruments industry
Industry Median: 2.06
vs STU:2DR: 1.90
During the past 12 months, Inspire Medical Systems's average Book Value Per Share Growth Rate was 27.50% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 16.90% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 29.50% per year.
During the past 11 years, the highest 3-Year average Book Value Per Share Growth Rate of Inspire Medical Systems was 43.40% per year. The lowest was 6.00% per year. And the median was 31.70% per year.
Back to Basics: PB Ratio
Inspire Medical Systems (STU:2DR) PB Ratio Explanation
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.
* 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, Inspire Medical Systems'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.
Inspire Medical Systems PB Ratio vs Medical Devices & Instruments Industry
For the Medical Devices & Instruments industry and Healthcare sector, Inspire Medical Systems's PB Ratio distribution charts can be found below:
* The bar in red indicates where Inspire Medical Systems'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.
* 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.
Inspire Medical Systems (STU:2DR) has a PB Ratio of 1.91 as of Jul. 11, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Inspire Medical Systems and its competitors. This is 82% below median its historical median of 10.64. Over the past decade, Inspire Medical Systems' PB Ratio has ranged from 1.46 to 34.65. According to the industry distribution chart, Inspire Medical Systems ranks #356 out of 786 companies in the Medical Devices & Instruments industry, placing it in the top 45.3%.
Is Inspire Medical Systems' PB Ratio too high?
Inspire Medical Systems' current PB Ratio of 1.91 is 82% below median its 10-year median of 10.64. Over the past 10 years, this metric has ranged from a low of 1.46 to a high of 34.65. The Medical Devices & Instruments industry median PB Ratio is 2.06. Inspire Medical Systems' value of 1.91 is 7.3% below this industry median. Based on the distribution chart, Inspire Medical Systems ranks #356 out of 786 companies in the Medical Devices & Instruments industry, which is above the industry midpoint. Overall, Inspire Medical Systems has a GF Score™ of 55/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Inspire Medical Systems' PB Ratio compare to ENOV and PRCT?
According to the Medical Devices & Instruments industry distribution chart, Inspire Medical Systems ranks #356 out of 786 companies for PB Ratio. This puts Inspire Medical Systems in the upper half of its industry. The industry median PB Ratio is 2.06. Inspire Medical Systems' value of 1.91 is 7.3% below this benchmark. Historically, Inspire Medical Systems' own PB Ratio has ranged from 1.46 to 34.65 over the past decade. While the company's 10-year median is 10.64 vs. the industry median of 2.06, Inspire Medical Systems has consistently been below 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 2.06, based on 786 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. Inspire Medical Systems's current PB Ratio of 1.91 is 7.3% below 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 Inspire Medical Systems and its competitors. For the Medical Devices & Instruments industry, the median PB Ratio is 2.06 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Inspire Medical Systems's current PB Ratio is 1.91, which is 82% below median its own 10-year median of 10.64. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Inspire Medical Systems stock overvalued right now?
Based on GuruFocus' analysis, Inspire Medical Systems (STU:2DR) is currently considered Possible Value Trap. The stock's GF Value™ is €186.36, compared to a current price of €45.40 — trading 75.6% below its estimated fair value. The current PB Ratio is 1.91, which is 82% below median its 10-year median of 10.64 and 7.3% below the Medical Devices & Instruments industry median of 2.06. Inspire Medical Systems' overall GF Score™ is 55/100 with 7 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 Inspire Medical Systems (STU:2DR), the current PB Ratio is 1.91 as of Jul. 11, 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 Inspire Medical Systems (STU:2DR) Overvalued in 2026?
Based on GuruFocus' analysis, Inspire Medical Systems stock appears to be undervalued.
The current stock price of €45.40 is trading 75.6% below its estimated GF Value™ of €186.36.
GuruFocus considers Inspire Medical Systems to be Possible Value Trap.
Key valuation signals for STU:2DR:
PB Ratio: 1.91 (82% below median its 10-year median of 10.64)
GF Value™: €186.36 vs. price of €45.40 (75.6% below fair value)
Industry Position: 7.3% below the Medical Devices & Instruments median (#356 of 786)
No single metric tells the full story. See the STU:2DR stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Inspire Medical Systems Inc operates as a medical technology company. It focuses on the development and commercialization of minimally invasive solutions for patients with obstructive sleep apnea (OSA). It offers Inspire system, a neurostimulation technology that provides a safe and effective treatment for moderate to severe obstructive sleep apnea. The firm has operating footprints in the United States and All other countries wherein, it generates a majority of its revenue from the United States. Its segment revenues are derived from the sales of its product, the Inspire system, to hospitals and ambulatory surgery centers in the U.S. and in selected countries in Europe and the Asia Pacific region.
55GF Score
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