Allegro MicrosystemsMEX:ALGM 47 PB Ratio is 9.58 as of Jul. 09, 2026, which is 50% above its 10-year median of 6.39. GuruFocus rates MEX:ALGM with a GF Score™ of 47/100 and a GF Value™ of MXN510.33 (Significantly Overvalued). The stock has 5 warning signs investors should review. Among 996 Semiconductors companies, Allegro Microsystems ranks worse than 82.63% on this metric.
The historical rank and industry rank for Allegro Microsystems's PB Ratio or its related term are showing as below:
MEX:ALGM'
s PB Ratio Range Over the Past 10 Years
Min: 3.58 Med: 6.39 Max: 11.45
Current: 9.99
During the past 8 years, Allegro Microsystems's highest PB Ratio was 11.45. The lowest was 3.58. And the median was 6.39.
MEX:ALGM's PB Ratio is ranked worse than 82.63% of 996
companies
in the Semiconductors industry
Industry Median: 3.555
vs MEX:ALGM: 9.99
During the past 12 months, Allegro Microsystems's average Book Value Per Share Growth Rate was 2.10% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 0.80% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 10.60% per year.
During the past 8 years, the highest 3-Year average Book Value Per Share Growth Rate of Allegro Microsystems was 23.70% per year. The lowest was 0.80% per year. And the median was 9.40% per year.
Back to Basics: PB Ratio
Allegro Microsystems (MEX:ALGM) 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.
Allegro Microsystems PB Ratio Related Terms
Allegro Microsystems PB Ratio Historical Data
* Premium members only.
The historical data trend for Allegro Microsystems'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 Semiconductors subindustry, Allegro Microsystems'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.
Allegro Microsystems PB Ratio vs Semiconductors Industry
For the Semiconductors industry and Technology sector, Allegro Microsystems's PB Ratio distribution charts can be found below:
* The bar in red indicates where Allegro Microsystems'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.
Allegro Microsystems (MEX:ALGM) has a PB Ratio of 9.58 as of Jul. 09, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Allegro Microsystems and its competitors. This is 50% above median its historical median of 6.39. Over the past decade, Allegro Microsystems' PB Ratio has ranged from 3.58 to 11.45. According to the industry distribution chart, Allegro Microsystems ranks #823 out of 996 companies in the Semiconductors industry, placing it in the top 82.6%.
Is Allegro Microsystems' PB Ratio too high?
Allegro Microsystems' current PB Ratio of 9.58 is 50% above median its 10-year median of 6.39. Over the past 10 years, this metric has ranged from a low of 3.58 to a high of 11.45. The Semiconductors industry median PB Ratio is 3.56. Allegro Microsystems' value of 9.58 is 169.5% above this industry median. Based on the distribution chart, Allegro Microsystems ranks #823 out of 996 companies in the Semiconductors industry, which is in the bottom quartile relative to peers. Overall, Allegro Microsystems has a GF Score™ of 47/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Allegro Microsystems' PB Ratio compare to SIMO and SWKS?
According to the Semiconductors industry distribution chart, Allegro Microsystems ranks #823 out of 996 companies for PB Ratio. This places Allegro Microsystems in the lower half of its industry. The industry median PB Ratio is 3.56. Allegro Microsystems' value of 9.58 is 169.5% above this benchmark. Historically, Allegro Microsystems' own PB Ratio has ranged from 3.58 to 11.45 over the past decade. While the company's 10-year median is 6.39 vs. the industry median of 3.56, Allegro Microsystems 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 3.56, based on 996 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. Allegro Microsystems's current PB Ratio of 9.58 is 169.5% 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 Allegro Microsystems and its competitors. For the Semiconductors industry, the median PB Ratio is 3.56 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Allegro Microsystems's current PB Ratio is 9.58, which is 50% above median its own 10-year median of 6.39. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Allegro Microsystems stock overvalued right now?
Based on GuruFocus' analysis, Allegro Microsystems (MEX:ALGM) is currently considered Significantly Overvalued. The stock's GF Value™ is MXN510.33, compared to a current price of MXN890.00 — trading 74.4% above its estimated fair value. The current PB Ratio is 9.58, which is 50% above median its 10-year median of 6.39 and 169.5% above the Semiconductors industry median of 3.56. Allegro Microsystems' overall GF Score™ is 47/100 with 5 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 Allegro Microsystems (MEX:ALGM), the current PB Ratio is 9.58 as of Jul. 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 Allegro Microsystems (MEX:ALGM) Overvalued in 2026?
Based on GuruFocus' analysis, Allegro Microsystems stock appears to be overvalued.
The current stock price of MXN890.00 is trading 74.4% above its estimated GF Value™ of MXN510.33.
GuruFocus considers Allegro Microsystems to be Significantly Overvalued.
Key valuation signals for MEX:ALGM:
PB Ratio: 9.58 (50% above median its 10-year median of 6.39)
GF Value™: MXN510.33 vs. price of MXN890.00 (74.4% above fair value)
Industry Position: 169.5% above the Semiconductors median (#823 of 996)
No single metric tells the full story. See the MEX:ALGM stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Allegro Microsystems Inc is a designer, developer, fabless manufacturer, and marketer of sensor ICs and application-specific analog power ICs for automotive and industrial markets. Its Sensor IC allows customers to precisely measure motion, speed, position, and current, and Power ICs include high-temperature and high-voltage capable motor drivers, power management, and LED driver ICs. Its products are divided into three categories: SENSE, which includes Current Sensors, Switches, and Latches, and Interface ICs among others; REGULATE, which includes Regulators, ClearPower Modules, and LED Drivers; and DRIVE, which includes BLDC Drivers, Brush DC, and others. Product-wise, the firm derives the majority of its revenue from sales of Magnetic sensors.
47GF Score
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