AmbarellaMIL:1AMBA -7.08%48 PB Ratio is 4.67 as of Jun. 26, 2026, which is 9% above its 10-year median of 4.28. GuruFocus rates MIL:1AMBA with a GF Score™ of 48/100 and a GF Value™ of €72.36 (Modestly Undervalued). The stock has 2 warning signs investors should review. Among 1,000 Semiconductors companies, Ambarella ranks worse than 57.4% 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 (2026-06-26), Ambarella's share price is €55.14. Ambarella's Book Value per Share for the quarter that ended in Apr. 2026 was €11.81. Hence, Ambarella's PB Ratio of today is 4.67.
The historical rank and industry rank for Ambarella's PB Ratio or its related term are showing as below:
MIL:1AMBA'
s PB Ratio Range Over the Past 10 Years
Min: 2.47 Med: 4.28 Max: 14.5
Current: 4.64
During the past 13 years, Ambarella's highest PB Ratio was 14.50. The lowest was 2.47. And the median was 4.28.
MIL:1AMBA's PB Ratio is ranked worse than 57.4% of 1000
companies
in the Semiconductors industry
Industry Median: 3.765
vs MIL:1AMBA: 4.64
During the past 12 months, Ambarella's average Book Value Per Share Growth Rate was 2.30% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -4.00% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was -0.70% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 1.30% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Ambarella was 213.80% per year. The lowest was -4.00% per year. And the median was 4.75% 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.
Ambarella PB Ratio Related Terms
Ambarella PB Ratio Historical Data
* Premium members only.
The historical data trend for Ambarella'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.
MIL:1AMBA vs AEHR, VECO, UCTT: PB Ratio Comparison
For the Semiconductor Equipment & Materials subindustry, Ambarella'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.
Ambarella PB Ratio vs Semiconductors Industry
For the Semiconductors industry and Technology sector, Ambarella's PB Ratio distribution charts can be found below:
* The bar in red indicates where Ambarella'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.
Ambarella'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.
Ambarella (MIL:1AMBA) has a PB Ratio of 4.67 as of Jun. 26, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Ambarella and its competitors. This is near median its historical median of 4.28. Over the past decade, Ambarella's PB Ratio has ranged from 2.47 to 14.50. According to the industry distribution chart, Ambarella ranks #574 out of 1000 companies in the Semiconductors industry, placing it in the top 57.4%.
Is Ambarella's PB Ratio too high?
Ambarella's current PB Ratio of 4.67 is near median its 10-year median of 4.28. Over the past 10 years, this metric has ranged from a low of 2.47 to a high of 14.50. The Semiconductors industry median PB Ratio is 3.77. Ambarella's value of 4.67 is 24% above this industry median. Based on the distribution chart, Ambarella ranks #574 out of 1000 companies in the Semiconductors industry, which is below the industry midpoint. Overall, Ambarella has a GF Score™ of 48/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Ambarella's PB Ratio compare to AEHR and VECO?
According to the Semiconductors industry distribution chart, Ambarella ranks #574 out of 1000 companies for PB Ratio. This places Ambarella in the lower half of its industry. The industry median PB Ratio is 3.77. Ambarella's value of 4.67 is 24% above this benchmark. Historically, Ambarella's own PB Ratio has ranged from 2.47 to 14.50 over the past decade. While the company's 10-year median is 4.28 vs. the industry median of 3.77, Ambarella 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 3.77, based on 1,000 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. Ambarella's current PB Ratio of 4.67 is 24% 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 Ambarella and its competitors. For the Semiconductors industry, the median PB Ratio is 3.77 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Ambarella's current PB Ratio is 4.67, which is near median its own 10-year median of 4.28. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Ambarella stock overvalued right now?
Based on GuruFocus' analysis, Ambarella (MIL:1AMBA) is currently considered Modestly Undervalued. The stock's GF Value™ is €72.36, compared to a current price of €55.14 — trading 23.8% below its estimated fair value. The current PB Ratio is 4.67, which is near median its 10-year median of 4.28 and 24% above the Semiconductors industry median of 3.77. Ambarella's overall GF Score™ is 48/100 with 2 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 Ambarella (MIL:1AMBA), the current PB Ratio is 4.67 as of Jun. 26, 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 Ambarella (MIL:1AMBA) Overvalued in 2026?
Based on GuruFocus' analysis, Ambarella stock appears to be undervalued.
The current stock price of €55.14 is trading 23.8% below its estimated GF Value™ of €72.36.
GuruFocus considers Ambarella to be Modestly Undervalued.
Key valuation signals for MIL:1AMBA:
PB Ratio: 4.67 (near median its 10-year median of 4.28)
GF Value™: €72.36 vs. price of €55.14 (23.8% below fair value)
Industry Position: 24% above the Semiconductors median (#574 of 1000)
No single metric tells the full story. See the MIL:1AMBA stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Ambarella Inc is a developer of low-power system-on-a-chip, or SoC, semiconductors and software for edge and physical artificial intelligence (AI) applications and intelligent automation. Its products are used in a wide variety of human viewing, computer vision for edge and physical AI applications, including a variety of video security cameras, automotive camera systems, fixed robots, autonomous mobile robots (AMRs), industrial applications, intelligent transportation systems, and consumer devices, such as action, drone and 360 degree cameras. The company operates as a single operating and reportable segment and derives substantially all of its revenue from development and sales of low-power AI-based processing and video and image processing SoC solutions.
48GF Score
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