Monolithic Power SystemsMPWR +2.51%98 PB Ratio is 17.98 as of Jun. 30, 2026, which is 53% above its 10-year median of 11.75. GuruFocus rates MPWR with a GF Score™ of 98/100 and a GF Value™ of $1,070.09 (Modestly Overvalued). The stock has 3 warning signs investors should review. Among 999 Semiconductors companies, Monolithic Power Systems ranks worse than 90.99% on this metric.
The historical rank and industry rank for Monolithic Power Systems's PB Ratio or its related term are showing as below:
MPWR'
s PB Ratio Range Over the Past 10 Years
Min: 7 Med: 11.75 Max: 22.62
Current: 17.98
During the past 13 years, Monolithic Power Systems's highest PB Ratio was 22.62. The lowest was 7.00. And the median was 11.75.
MPWR's PB Ratio is ranked worse than 90.99% of 999
companies
in the Semiconductors industry
Industry Median: 3.72
vs MPWR: 17.98
During the past 12 months, Monolithic Power Systems's average Book Value Per Share Growth Rate was 9.70% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 27.00% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 28.60% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 23.40% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Monolithic Power Systems was 31.90% per year. The lowest was -54.40% per year. And the median was 19.10% per year.
Back to Basics: PB Ratio
Monolithic Power Systems (NAS:MPWR) 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 Semiconductors subindustry, Monolithic Power 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.
Monolithic Power Systems PB Ratio vs Semiconductors Industry
For the Semiconductors industry and Technology sector, Monolithic Power Systems's PB Ratio distribution charts can be found below:
* The bar in red indicates where Monolithic Power 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.
Monolithic Power Systems (MPWR) has a PB Ratio of 17.98 as of Jun. 30, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Monolithic Power Systems and its competitors. This is 53% above median its historical median of 11.75. Over the past decade, Monolithic Power Systems' PB Ratio has ranged from 7.00 to 22.62. According to the industry distribution chart, Monolithic Power Systems ranks #909 out of 999 companies in the Semiconductors industry, placing it in the top 91%.
Is Monolithic Power Systems' PB Ratio too high?
Monolithic Power Systems' current PB Ratio of 17.98 is 53% above median its 10-year median of 11.75. Over the past 10 years, this metric has ranged from a low of 7.00 to a high of 22.62. The Semiconductors industry median PB Ratio is 3.72. Monolithic Power Systems' value of 17.98 is 383.3% above this industry median. Based on the distribution chart, Monolithic Power Systems ranks #909 out of 999 companies in the Semiconductors industry, which is in the bottom quartile relative to peers. Overall, Monolithic Power Systems has a GF Score™ of 98/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Monolithic Power Systems' PB Ratio compare to ALAB and NXPI?
According to the Semiconductors industry distribution chart, Monolithic Power Systems ranks #909 out of 999 companies for PB Ratio. This places Monolithic Power Systems in the lower half of its industry. The industry median PB Ratio is 3.72. Monolithic Power Systems' value of 17.98 is 383.3% above this benchmark. Historically, Monolithic Power Systems' own PB Ratio has ranged from 7.00 to 22.62 over the past decade. While the company's 10-year median is 11.75 vs. the industry median of 3.72, Monolithic Power Systems 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 Semiconductors company?
The median PB Ratio among Semiconductors companies is 3.72, based on 999 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. Monolithic Power Systems's current PB Ratio of 17.98 is 383.3% 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 Monolithic Power Systems and its competitors. For the Semiconductors industry, the median PB Ratio is 3.72 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Monolithic Power Systems's current PB Ratio is 17.98, which is 53% above median its own 10-year median of 11.75. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Monolithic Power Systems stock overvalued right now?
Based on GuruFocus' analysis, Monolithic Power Systems (MPWR) is currently considered Modestly Overvalued. The stock's GF Value™ is $1,070.09, compared to a current price of $1,345.75 — trading 25.8% above its estimated fair value. The current PB Ratio is 17.98, which is 53% above median its 10-year median of 11.75 and 383.3% above the Semiconductors industry median of 3.72. Monolithic Power Systems' overall GF Score™ is 98/100 with 3 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 Monolithic Power Systems (MPWR), the current PB Ratio is 17.98 as of Jun. 30, 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 Monolithic Power Systems (MPWR) Overvalued in 2026?
Based on GuruFocus' analysis, Monolithic Power Systems stock appears to be overvalued.
The current stock price of $1,345.75 is trading 25.8% above its estimated GF Value™ of $1,070.09.
GuruFocus considers Monolithic Power Systems to be Modestly Overvalued.
Key valuation signals for MPWR:
PB Ratio: 17.98 (53% above median its 10-year median of 11.75)
GF Value™: $1,070.09 vs. price of $1,345.75 (25.8% above fair value)
Industry Position: 383.3% above the Semiconductors median (#909 of 999)
No single metric tells the full story. See the MPWR stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Monolithic Power Systems is an analog and mixed-signal chipmaker specializing in power management solutions. Its mission is to reduce total energy consumption in end systems. It serves the computing, automotive, industrial, communications, and consumer end markets. MPS uses a fabless manufacturing model, partnering with third-party chip foundries to host its proprietary BCD process technology.
98GF Score
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